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Outputs (117)

Resolved photons in Sherpa (2024)
Journal Article
Höche, S., Krauss, F., & Meinzinger, P. (2024). Resolved photons in Sherpa. The European Physical Journal C, 84(2), Article 178. https://doi.org/10.1140/epjc/s10052-024-12551-w

We present the first complete simulation framework, in the event generator, for resolved photon interactions at next-to leading order accuracy. It includes photon spectra obtained through the equivalent-photon approximation, parton distribution funct... Read More about Resolved photons in Sherpa.

Measuring hadronic Higgs boson branching ratios at future lepton colliders (2024)
Journal Article
Knobbe, M., Krauss, F., Reichelt, D., & Schumann, S. (2024). Measuring hadronic Higgs boson branching ratios at future lepton colliders. The European Physical Journal C, 84(1), Article 83. https://doi.org/10.1140/epjc/s10052-024-12430-4

We present a novel strategy for the simultaneous measurement of Higgs-boson branching ratios into gluons and light quarks at a future lepton collider operating in the Higgs-factory mode. Our method is based on template fits to global event-shape obse... Read More about Measuring hadronic Higgs boson branching ratios at future lepton colliders.

A mixed-method approach to determining contact matrices in the Cox’s Bazar refugee settlement (2023)
Journal Article
Walker, J., Aylett-Bullock, J., Shi, D., Kahindo Maina, A. G., Samir Evers, E., Harlass, S., & Krauss, F. (2023). A mixed-method approach to determining contact matrices in the Cox’s Bazar refugee settlement. Royal Society Open Science, 10(12), Article 231066. https://doi.org/10.1098/rsos.231066

Contact matrices are an important ingredient in age-structured epidemic models to inform the simulated spread of the disease between subgroups of the population. These matrices are generally derived using resource-intensive diary-based surveys and fe... Read More about A mixed-method approach to determining contact matrices in the Cox’s Bazar refugee settlement.

50 Years of quantum chromodynamics (2023)
Journal Article
Gross, F., Klempt, E., Brodsky, S. J., Buras, A. J., Burkert, V. D., Heinrich, G., …Zhou, X. (2023). 50 Years of quantum chromodynamics. The European Physical Journal C, 83(12), Article 1125. https://doi.org/10.1140/epjc/s10052-023-11949-2

Quantum Chromodynamics, the theory of quarks and gluons, whose interactions can be described by a local SU(3) gauge symmetry with charges called “color quantum numbers”, is reviewed; the goal of this review is to provide advanced Ph.D. students a com... Read More about 50 Years of quantum chromodynamics.

A new approach to color-coherent parton evolution (2023)
Journal Article
Herren, F., Höche, S., Krauss, F., Reichelt, D., & Schönherr, M. (2023). A new approach to color-coherent parton evolution. Journal of High Energy Physics, 2023(10), Article 91. https://doi.org/10.1007/jhep10%282023%29091

We present a simple parton-shower model that replaces the explicit angular ordering of the coherent branching formalism with a differentially accurate simulation of soft-gluon radiation by means of a non-trivial dependence of the splitting functions... Read More about A new approach to color-coherent parton evolution.

Machine learning and LHC event generation (2023)
Journal Article
Butter, A., Plehn, T., Schumann, S., Badger, S., Caron, S., Cranmer, K., …Zupan, J. (2023). Machine learning and LHC event generation. SciPost Physics, 14(4), Article 079. https://doi.org/10.21468/scipostphys.14.4.079

First-principle simulations are at the heart of the high-energy physics research program. They link the vast data output of multi-purpose detectors with fundamental theory predictions and interpretation. This review illustrates a wide range of applic... Read More about Machine learning and LHC event generation.

YFS Resummation for Future Lepton-Lepton Colliders in SHERPA (2022)
Journal Article
Krauss, F., Price, A., & Schönherr, M. (2022). YFS Resummation for Future Lepton-Lepton Colliders in SHERPA. SciPost Physics, 13(2), https://doi.org/10.21468/scipostphys.13.2.026

We present an implementation of the Yennie–Frautschi–Suura (YFS) scheme for the all orders resummation of logarithms from the emission of soft real and virtual photons in processes that are critical for future lepton colliders. They include, in parti... Read More about YFS Resummation for Future Lepton-Lepton Colliders in SHERPA.

Bayesian Emulation and History Matching of JUNE (2022)
Journal Article
Vernon, I., Owen, J., Aylett-Bullock, J., Cuestra-Lazaro, C., Frawley, J., Quera-Bofarull, A., …Krauss, F. (2022). Bayesian Emulation and History Matching of JUNE. Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 380(2233), Article 20220039. https://doi.org/10.1098/rsta.2022.0039

We analyse JUNE: a detailed model of Covid-19 transmission with high spatial and demographic resolution, developed as part of the RAMP initiative. JUNE requires substantial computational resources to evaluate, making model calibration and general unc... Read More about Bayesian Emulation and History Matching of JUNE.

Constraining the Charm-Yukawa coupling at the Large Hadron Collider (2022)
Journal Article
Walker, J., & Krauss, F. (2022). Constraining the Charm-Yukawa coupling at the Large Hadron Collider. Physics Letters B, 832, Article 137255. https://doi.org/10.1016/j.physletb.2022.137255

We present theoretical results for the sensitivity of charm Yukawa coupling measurements in future high-luminosity LHC runs in three channels: Vector Boson Fusion (VBF), W Higgs-strahlung and Z Higgs-strahlung production of a Higgs boson and its subs... Read More about Constraining the Charm-Yukawa coupling at the Large Hadron Collider.

Epidemiological modelling in refugee and internally displaced people settlements: challenges and ways forward (2022)
Journal Article
Aylett-Bullock, J., Gilman, R. T., Hall, I., Kennedy, D., Evers, E. S., Katta, A., …Luengo-Oroz, M. (2022). Epidemiological modelling in refugee and internally displaced people settlements: challenges and ways forward. BMJ Global Health, 7(3), Article e007822. https://doi.org/10.1136/bmjgh-2021-007822

The spread of infectious diseases such as COVID-19 presents many challenges to healthcare systems and infrastructures across the world, exacerbating inequalities and leaving the world’s most vulnerable populations at risk. Epidemiological modelling i... Read More about Epidemiological modelling in refugee and internally displaced people settlements: challenges and ways forward.

JUNE: open-source individual-based epidemiology simulation (2021)
Journal Article
Aylett-Bullock, J., Cuesta-Lazaro, C., Quera-Bofarull, A., Icaza-Lizaola, M., Sedgewick, A., Truong, H., …Krauss, F. (2021). JUNE: open-source individual-based epidemiology simulation. Royal Society Open Science, 8(7), https://doi.org/10.1098/rsos.210506

We introduce June, an open-source framework for the detailed simulation of epidemics on the basis of social interactions in a virtual population constructed from geographically granular census data, reflecting age, sex, ethnicity and socio-economic i... Read More about JUNE: open-source individual-based epidemiology simulation.

Challenges in Monte Carlo Event Generator Software for High-Luminosity LHC (2021)
Journal Article
Valassi, A., Yazgan, E., McFayden, J., Amoroso, S., Bendavid, J., Buckley, A., …Stewart, G. A. (2021). Challenges in Monte Carlo Event Generator Software for High-Luminosity LHC. Computing and Software for Big Science, 5(1), Article 12. https://doi.org/10.1007/s41781-021-00055-1

We review the main software and computing challenges for the Monte Carlo physics event generators used by the LHC experiments, in view of the High-Luminosity LHC (HL-LHC) physics programme. This paper has been prepared by the HEP Software Foundation... Read More about Challenges in Monte Carlo Event Generator Software for High-Luminosity LHC.

Constraining CP violating operators in charged and neutral triple gauge couplings (2021)
Journal Article
Bieköetter, A., Gregg, P., Krauss, F., & Schöenherr, M. (2021). Constraining CP violating operators in charged and neutral triple gauge couplings. Physics Letters B, 817, https://doi.org/10.1016/j.physletb.2021.136311

We constrain CP-violating charged and neutral anomalous triple gauge couplings using LHC measurements and projections of diboson and VBF Vjj production, both with subsequent leptonic decays. For triple gauge couplings involving W bosons we analyse di... Read More about Constraining CP violating operators in charged and neutral triple gauge couplings.

Constraining SMEFT operators with associated hγ production in weak boson fusion (2021)
Journal Article
Biekötter, A., Gomez-Ambrosio, R., Gregg, P., Krauss, F., & Schönherr, M. (2021). Constraining SMEFT operators with associated hγ production in weak boson fusion. Physics Letters B, 814, https://doi.org/10.1016/j.physletb.2021.136079

We consider the associated production of a Higgs boson and a photon in weak boson fusion in the Standard Model (SM) and the Standard Model Effective Field Theory (SMEFT), with the Higgs boson decaying to a pair of bottom quarks. Analysing events in a... Read More about Constraining SMEFT operators with associated hγ production in weak boson fusion.

Revisiting the tt¯hh channel at the FCC-hh (2019)
Journal Article
Banerjee, S., Krauss, F., & Spannowsky, M. (2019). Revisiting the tt¯hh channel at the FCC-hh. Physical Review D, 100(7), Article 073012. https://doi.org/10.1103/physrevd.100.073012

The exploration of the scalar sector of the Standard Model is at the core of current and future science programs at collider experiments, with increasing focus on the self-interaction of the Higgs boson. This important parameter of the Higgs sector c... Read More about Revisiting the tt¯hh channel at the FCC-hh.

Event Generation with Sherpa 2.2 (2019)
Journal Article
Bothmann, E., Chahal, G. S., Hoche, S., Krause, J., Krauss, F., Kuttimalai, S., …Siegert, F. (2019). Event Generation with Sherpa 2.2. SciPost Physics, 7, Article 034. https://doi.org/10.21468/scipostphys.7.3.034

Sherpa is a general-purpose Monte Carlo event generator for the simulation of particle collisions in high-energy collider experiments. We summarize essential features and improvements of the Sherpa 2.2 release series, which is heavily used for event... Read More about Event Generation with Sherpa 2.2.

Accurate simulation of W, Z, and Higgs boson decays in Sherpa (2019)
Journal Article
Krauss, F., Lindert, J. M., Linten, R., & Schönherr, M. (2019). Accurate simulation of W, Z, and Higgs boson decays in Sherpa. The European Physical Journal C, 79(2), Article 143. https://doi.org/10.1140/epjc/s10052-019-6614-x

We discuss the inclusion of next-to–next-to leading order electromagnetic and of next-to leading order electroweak corrections to the leptonic decays of weak gauge and Higgs bosons in the Sherpa event generator. To this end, we modify the Yennie– Fra... Read More about Accurate simulation of W, Z, and Higgs boson decays in Sherpa.

Towards a fully massive five-flavor scheme (2018)
Journal Article
Krauss, F., & Napoletano, D. (2018). Towards a fully massive five-flavor scheme. Physical Review D, 98(9), Article 096002. https://doi.org/10.1103/physrevd.98.096002

In this paper, we explore first necessary steps to construct a fully massive version of a variable-flavor number scheme. In particular we focus, as an example, on an extension of the five-flavor scheme, where instead of neglecting explicit initial st... Read More about Towards a fully massive five-flavor scheme.

Single top-quark production with sherpa (2018)
Journal Article
Bothmann, E., Krauss, F., & Schönherr, M. (2018). Single top-quark production with sherpa. The European Physical Journal C, 78(3), Article 220. https://doi.org/10.1140/epjc/s10052-018-5696-1

We present results at next-to-leading order accuracy in QCD for single top-quark production in the t, s and tW channels at the lhc at a centre-of-mass energy of 8TeV, obtained with the sherpa event generator. We find them in very good agreement with... Read More about Single top-quark production with sherpa.

Implementing NLO DGLAP evolution in parton showers (2017)
Journal Article
Höche, S., Krauss, F., & Prestel, S. (2017). Implementing NLO DGLAP evolution in parton showers. Journal of High Energy Physics, 2017(10), Article 93. https://doi.org/10.1007/jhep10%282017%29093

We present a parton shower which implements the DGLAP evolution of parton densities and fragmentation functions at next-to-leading order precision up to effects stemming from local four-momentum conservation. The Monte-Carlo simulation is based on in... Read More about Implementing NLO DGLAP evolution in parton showers.

Precision studies of observables in pp → W → lνl and pp → γ , Z → l+l− processes at the LHC (2017)
Journal Article
Alioli, S., Arbuzov, A., Bardin, D. Y., Barzè, L., Bernaciak, C., Bondarenko, S., …Zanderighi, G. (2017). Precision studies of observables in pp → W → lνl and pp → γ , Z → l+l− processes at the LHC. The European Physical Journal C, 77(5), Article 280. https://doi.org/10.1140/epjc/s10052-017-4832-7

This report was prepared in the context of the LPCC Electroweak Precision Measurements at the LHC WG (https://lpcc.web.cern.ch/lpcc/index.php?page=electroweak_wg) and summarizes the activity of a subgroup dedicated to the systematic comparison of pub... Read More about Precision studies of observables in pp → W → lνl and pp → γ , Z → l+l− processes at the LHC.

LHC multijet events as a probe for anomalous dimension-six gluon interactions (2017)
Journal Article
Krauss, F., Kuttimalai, S., & Plehn, T. (2017). LHC multijet events as a probe for anomalous dimension-six gluon interactions. Physical Review D, 95(3), Article 035024. https://doi.org/10.1103/physrevd.95.035024

Higher-dimensional multigluon interactions affect essentially all effective Lagrangian analyses at the LHC. We show that, contrary to common lore, such operators are best constrained in multijet production. Our limit on the corresponding new physics... Read More about LHC multijet events as a probe for anomalous dimension-six gluon interactions.

Simulating b-associated production of Z and Higgs bosons with the SHERPA event generator (2017)
Journal Article
Krauss, F., Napoletano, D., & Schumann, S. (2017). Simulating b-associated production of Z and Higgs bosons with the SHERPA event generator. Physical Review D, 95(3), Article 036012. https://doi.org/10.1103/physrevd.95.036012

We compare four- and five-flavor scheme predictions for b-associated production of Z and Higgs bosons. The results are obtained with SHERPA ’s MC@NLO implementation for the four-flavor scheme, treating the b’s as massive, and with multijet merging at... Read More about Simulating b-associated production of Z and Higgs bosons with the SHERPA event generator.

Study of hard double-parton scattering in four-jet events in pp collisions at sqrt{s}=7 TeV with the ATLAS experiment (2016)
Journal Article
collaboration, A. (2016). Study of hard double-parton scattering in four-jet events in pp collisions at sqrt{s}=7 TeV with the ATLAS experiment. Journal of High Energy Physics, 2016(11), Article 110. https://doi.org/10.1007/jhep11%282016%29110

Inclusive four-jet events produced in proton-proton collisions at a centre-of-mass energy of s√=7s=7 TeV are analysed for the presence of hard double-parton scattering using data corresponding to an integrated luminosity of 37.3 pb−1, collected with... Read More about Study of hard double-parton scattering in four-jet events in pp collisions at sqrt{s}=7 TeV with the ATLAS experiment.

Aspects of perturbative QCD at a 100 TeV future hadron collider (2016)
Journal Article
Bothmann, E., Ferrarese, P., Krauss, F., Kuttimalai, S., Schumann, S., & Thompson, J. (2016). Aspects of perturbative QCD at a 100 TeV future hadron collider. Physical Review D, 94(3), Article 034007. https://doi.org/10.1103/physrevd.94.034007

In this paper we consider particle production at a future circular hadron collider with 100 TeV center-of-mass energy within the Standard Model, and in particular their QCD aspects. Accurate predictions for these processes pose severe theoretical cha... Read More about Aspects of perturbative QCD at a 100 TeV future hadron collider.

Distinguishing b-quark and gluon jets with a tagged b hadron (2016)
Journal Article
Gonçalves, D., Krauss, F., & Linten, R. (2016). Distinguishing b-quark and gluon jets with a tagged b hadron. Physical Review D, 93(5), Article 053013. https://doi.org/10.1103/physrevd.93.053013

Based on the knowledge of the QCD radiation pattern, observables to distinguish jets containing one and two b hadrons are discussed. A simple method is used to combine pairs of the most sensitive observables—girth, number of charged tracks and the en... Read More about Distinguishing b-quark and gluon jets with a tagged b hadron.

Higgs-Strahlung: Merging the NLO Drell-Yan and Loop-Induced 0+1 jet Multiplicities (2015)
Journal Article
Gonçalves, D., Krauss, F., Kuttimalai, S., & Maierhöfer, P. (2015). Higgs-Strahlung: Merging the NLO Drell-Yan and Loop-Induced 0+1 jet Multiplicities. Physical Review D, 92(7), https://doi.org/10.1103/physrevd.92.073006

We analyze the production of a Higgs boson in association with a Z boson at hadron colliders in the Standard Model and some simple extensions. We show how multijet merging algorithms at leading and next-to-leading order for the loop-induced gluon fus... Read More about Higgs-Strahlung: Merging the NLO Drell-Yan and Loop-Induced 0+1 jet Multiplicities.

Augmenting the diboson excess for the LHC Run II (2015)
Journal Article
Gonçalves, D., Krauss, F., & Spannowsky, M. (2015). Augmenting the diboson excess for the LHC Run II. Physical Review D, 92(5), https://doi.org/10.1103/physrevd.92.053010

The ATLAS collaboration recently reported an excess of events in the high invariant mass tail of reconstructed diboson events. We investigate their analysis and point to possible subtleties and improvements in the jet substructure implementation and... Read More about Augmenting the diboson excess for the LHC Run II.

Next-to-leading order QCD predictions for top-quark pair production with up to two jets merged with a parton shower (2015)
Journal Article
Höche, S., Krauss, F., Maierhöfer, P., Pozzorini, S., Schönherr, M., & Siegert, F. (2015). Next-to-leading order QCD predictions for top-quark pair production with up to two jets merged with a parton shower. Physics Letters B, 748, 74-78. https://doi.org/10.1016/j.physletb.2015.06.060

We present differential cross sections for the production of top-quark pairs in conjunction with up to two jets, computed at next-to-leading order in perturbative QCD and consistently merged with a parton shower in the Sherpa+OpenLoops framework. Top... Read More about Next-to-leading order QCD predictions for top-quark pair production with up to two jets merged with a parton shower.

Di-Higgs phenomenology in t¯thh: The forgotten channel (2015)
Journal Article
Englert, C., Krauss, F., Spannowsky, M., & Thompson, J. (2015). Di-Higgs phenomenology in t¯thh: The forgotten channel. Physics Letters B, 743, 93-97. https://doi.org/10.1016/j.physletb.2015.02.041

Searches for multi-Higgs final states allow to constrain parameters of the SM (or extensions thereof) that directly relate to the mechanism of electroweak symmetry breaking. Multi-Higgs production cross sections, however, are small and the phenomenol... Read More about Di-Higgs phenomenology in t¯thh: The forgotten channel.

Mass effects in the Higgs-gluon coupling: boosted vs. off-shell production (2015)
Journal Article
Buschmann, M., Gonçalves, D., Kuttimalai, S., Schönherr, M., Krauss, F., & Plehn, T. (2015). Mass effects in the Higgs-gluon coupling: boosted vs. off-shell production. Journal of High Energy Physics, 2015(02), https://doi.org/10.1007/jhep02%282015%29038

In the upcoming LHC run we will be able to probe the structure of the loopinduced Higgs-gluon coupling through kinematics. First, we establish state-of-the-art simulations with up to two jets to next-to-leading order including top mass effects. They... Read More about Mass effects in the Higgs-gluon coupling: boosted vs. off-shell production.

Uncertainties in MEPS@NLO calculations of h+jets (2014)
Journal Article
Höche, S., Krauss, F., & Schönherr, M. (2014). Uncertainties in MEPS@NLO calculations of h+jets. Physical Review D, 90(1), https://doi.org/10.1103/physrevd.90.014012

Uncertainties in the simulation of Higgs boson production with up to two jets at next-to-leading-order accuracy are investigated. Traditional uncertainty estimates based on scale variations are extended employing different functional forms for the ce... Read More about Uncertainties in MEPS@NLO calculations of h+jets.

Measuring collinear W emissions inside jets (2014)
Journal Article
Krauss, F., Petrov, P., Schönherr, M., & Spannowsky, M. (2014). Measuring collinear W emissions inside jets. Physical Review D, 89(11), Article 114006. https://doi.org/10.1103/physrevd.89.114006

Single and multiple emission of electroweak gauge bosons and in particular of W bosons is discussed in the parton shower language. Algorithms and observables for the reconstruction of both leptonically and hadronically decaying W bosons inside light... Read More about Measuring collinear W emissions inside jets.

First Look at the Physics Case of TLEP (2014)
Journal Article
Bicer, M., DuranYildiz, H., Yildiz, I., Coignet, G., Delmastro, M., Alexopoulos, T., …Chattopadhyay, S. (2014). First Look at the Physics Case of TLEP. Journal of High Energy Physics, 2014(01), Article 164. https://doi.org/10.1007/jhep01%282014%29164

The discovery by the ATLAS and CMS experiments of a new boson with mass around 125 GeV and with measured properties compatible with those of a Standard-Model Higgs boson, coupled with the absence of discoveries of phenomena beyond the Standard Model... Read More about First Look at the Physics Case of TLEP.

Precise Higgs-background predictions: merging NLO QCD and squared quark-loop corrections to four-lepton + 0,1 jet production (2014)
Journal Article
Cascioli, F., Höche, S., Krauss, F., Maierhöfer, P., Pozzorini, S., & Siegert, F. (2014). Precise Higgs-background predictions: merging NLO QCD and squared quark-loop corrections to four-lepton + 0,1 jet production. Journal of High Energy Physics, 2014(1), https://doi.org/10.1007/jhep01%282014%29046

We present precise predictions for four-lepton plus jets production at the LHC obtained within the fully automated Sherpa + OpenLoops framework. Off-shell intermediate vector bosons and related interferences are consistently included using the comple... Read More about Precise Higgs-background predictions: merging NLO QCD and squared quark-loop corrections to four-lepton + 0,1 jet production.

Handbook of LHC Higgs Cross Sections: 3. Higgs Properties: Report of the LHC Higgs Cross Section Working Group. CERN-2013-004. (2013)
Report
Heinemeyer, S., Mariotti, C., Passarino, G., Tanaka, R., Andersen, J., Artoisenet, P., …Zuberi, S. (2013). Handbook of LHC Higgs Cross Sections: 3. Higgs Properties: Report of the LHC Higgs Cross Section Working Group. CERN-2013-004. [No known commissioning body]

This Report summarizes the results of the activities in 2012 and the first half of 2013 of the LHC Higgs Cross Section Working Group. The main goal of the working group was to present the state of the art of Higgs Physics at the LHC, integrating all... Read More about Handbook of LHC Higgs Cross Sections: 3. Higgs Properties: Report of the LHC Higgs Cross Section Working Group. CERN-2013-004..

QCD matrix elements + parton showers: the NLO case (2013)
Journal Article
Höche, S., Krauss, F., Schönherr, M., & Siegert, F. (2013). QCD matrix elements + parton showers: the NLO case. Journal of High Energy Physics, 2013(4), Article 027. https://doi.org/10.1007/jhep04%282013%29027

We present a process-independent technique to consistently combine next-to-leading order parton-level calculations of varying jet multiplicity and parton showers. Double counting is avoided by means of a modified truncated shower scheme. This method... Read More about QCD matrix elements + parton showers: the NLO case.

Measurement of hard double-parton interactions in W->lv+ 2-jet events at sqrt(s)=7 TeV with the ATLAS detector (2013)
Journal Article
Krauss, F., & Collaboration, A. (2013). Measurement of hard double-parton interactions in W->lv+ 2-jet events at sqrt(s)=7 TeV with the ATLAS detector. New Journal of Physics, 15, https://doi.org/10.1088/1367-2630/15/3/033038

The production of W bosons in association with two jets in proton–proton collisions at a centre-of-mass energy of $\sqrt {s} = 7\,{\mathrm {TeV}}$ has been analysed for the presence of double-parton interactions using data corresponding to an integra... Read More about Measurement of hard double-parton interactions in W->lv+ 2-jet events at sqrt(s)=7 TeV with the ATLAS detector.

A perturbative framework for jet quenching (2013)
Journal Article
Zapp, K., Krauss, F., & Wiedemann, U. (2013). A perturbative framework for jet quenching. Journal of High Energy Physics, 2013(3), Article 80. https://doi.org/10.1007/jhep03%282013%29080

We present a conceptually new framework for describing jet evolution in the dense medium produced in ultra-relativistic nucleus-nucleus collisions using perturbative QCD and its implementation into the Monte Carlo event generator Jewel. The rescatter... Read More about A perturbative framework for jet quenching.

W+n-Jet Predictions at the Large Hadron Collider at Next-To-Leading Order Matched with a Parton Shower (2013)
Journal Article
Höche, S., Krauss, F., Schönherr, M., & Siegert, F. (2013). W+n-Jet Predictions at the Large Hadron Collider at Next-To-Leading Order Matched with a Parton Shower. Physical Review Letters, 110(5), https://doi.org/10.1103/physrevlett.110.052001

For the first time, differential cross sections for the production of W bosons in conjunction with up to three jets, computed at next-to leading order in QCD and including parton shower corrections, are presented and compared to recent experimental d... Read More about W+n-Jet Predictions at the Large Hadron Collider at Next-To-Leading Order Matched with a Parton Shower.

NLO QCD matrix elements + parton showers in e+e− → hadrons (2013)
Journal Article
Gehrmann, T., Höche, S., Krauss, F., Schönherr, M., & Siegert, F. (2013). NLO QCD matrix elements + parton showers in e+e− → hadrons. Journal of High Energy Physics, 2013(1), https://doi.org/10.1007/jhep01%282013%29144

We present a new approach to combine multiple NLO parton-level calculations matched to parton showers into a single inclusive event sample. The method provides a description of hard multi-jet configurations at next-to leading order in the perturbativ... Read More about NLO QCD matrix elements + parton showers in e+e− → hadrons.

The SM and NLO Multileg and SM MC Working Groups: Summary Report. (2012)
Conference Proceeding
Alcaraz Maestre, J., Heinrich, G., Huston, J., Krauss, F., Maitre, D., Nurse, E., …Zapp, K. (2012). The SM and NLO Multileg and SM MC Working Groups: Summary Report. In G. Belanger, F. Boudjema, J. Guillet, & E. Pilon (Eds.), Proceedings, 7th Les Houches Workshop on Physics at TeV Colliders. 30 May - 17 Jun 2011. Les Houches, France (1-220)

The 2011 Les Houches workshop was the first to confront LHC data. In the two years since the previous workshop there have been significant advances in both soft and hard QCD, particularly in the areas of multi-leg NLO calculations, the inclusion of t... Read More about The SM and NLO Multileg and SM MC Working Groups: Summary Report..

Handbook of LHC Higgs Cross Sections: 2. Differential Distributions. CERN-2012-002 (2012)
Report
Dittmaier, S., Mariotti, C., Passarino, G., Tanaka, R., Alekhin, S., Alwall, J., …Zanderighi, G. (2012). Handbook of LHC Higgs Cross Sections: 2. Differential Distributions. CERN-2012-002. [No known commissioning body]

This Report summarises the results of the second year's activities of the LHC Higgs Cross Section Working Group. The main goal of the working group was to present the state of the art of Higgs Physics at the LHC, integrating all new results that have... Read More about Handbook of LHC Higgs Cross Sections: 2. Differential Distributions. CERN-2012-002.

General-purpose event generators for LHC Physics (2011)
Journal Article
Buckley, A., Butterworth, J., Gieseke, S., Grellscheid, D., Hoche, S., Hoeth, H., …Webber, B. (2011). General-purpose event generators for LHC Physics. Physics Reports, 504(5), 145-233. https://doi.org/10.1016/j.physrep.2011.03.005

We review the physics basis, main features and use of general-purpose Monte Carlo event generators for the simulation of proton–proton collisions at the Large Hadron Collider. Topics included are: the generation of hard scattering matrix elements for... Read More about General-purpose event generators for LHC Physics.

Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables. CERN-2011-002. (2011)
Report
Dittmaier, S., Mariotti, C., Passarino, G., Tanaka, R., Baglio, J., Bolzoni, P., …Zirke, T. (2011). Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables. CERN-2011-002. [No known commissioning body]

This Report summarizes the results of the first 10 months' activities of the LHC Higgs Cross Sections Working Group. The main goal of the working group was to present the status-of-art on Higgs Physics at the LHC integrating all new results that have... Read More about Handbook of LHC Higgs Cross Sections: 1. Inclusive Observables. CERN-2011-002..

Next-to-leading order matrix elements and truncated showers (2010)
Conference Proceeding
Hoche, S., Krauss, F., Schonherr, M., & Siegert, F. (2010). Next-to-leading order matrix elements and truncated showers. In M. Diehl, J. Haller, T. Schorner-Sadenius, & G. Steinbruck (Eds.), Physics at the LHC2010. Proceedings, 5th Conference, PLHC2010, Hamburg, Germany, June 7-12, 2010 (199-203)

An algorithm is presented that combines the ME+PS approach to merge sequences of tree-level matrix elements into inclusive event samples with the POWHEG method, which combines exact next-to-leading order matrix elements with parton showers. The quali... Read More about Next-to-leading order matrix elements and truncated showers.

Introduction to Monte Carlo models and Tools working group (WG5). (2009)
Conference Proceeding
Bartalini, P., Chekanov, S., Gieseke, S., & Krauss, F. (2009). Introduction to Monte Carlo models and Tools working group (WG5). In H. Jung, & A. De Roeck (Eds.), Proceedings, workshop: HERA and the LHC workshop series on the implications of HERA for LHC physics. 2nd workshop on the implications of HERA for LHC physics, 2006 - 2008, Hamburg - Geneva (631-634)

As for the previous HERA-LHC workshop, the main goals of the WG5 working group during 2006–2008 were: 1) To examine and improve Monte Carlo models for the LHC data using the experience and ideas from the HERA experiments; 2) To develop analysis frame... Read More about Introduction to Monte Carlo models and Tools working group (WG5)..

The NLO multileg working group: Summary report (2008)
Conference Proceeding
Bern, Z., Dittmaier, S., Dixon, L., Heinrich, G., Huston, J., Kersevan, B., …Zanderighi, G. (2008). The NLO multileg working group: Summary report. In G. Belanger, F. Boudjema, J. Guillet, M. Muehlleitner, E. Pilon, P. Slavich, …D. Zerwas (Eds.), Physics at TeV colliders, La physique du TeV aux collisionneurs, Les Houches 2007 : 11-29 June 2007 (1-120)

This report summarizes the activities of the NLM working group of the Workshop 'Physics at TeV Colliders', Les Houches, France, 11-29 June, 2007.

Phenomenology at collider experiments (2008)
Conference Proceeding
Krauss, F. (2008). Phenomenology at collider experiments. In W. Murray (Ed.), Experimental high energy physics. Proceedings, School, Oxford, UK, August 10-September 12, 2008 (207-334)

Process gg→h0→γγ in the Lee-Wick standard model. (2008)
Journal Article
Krauss, F., Underwood, T., & Zwicky, R. (2008). Process gg→h0→γγ in the Lee-Wick standard model. Physical Review D, 77(1), https://doi.org/10.1103/physrevd.77.015012

The process gg→h0→γγ is studied in the Lee-Wick extension of the standard model (LWSM) proposed by Grinstein, O’Connell, and Wise. In this model, negative norm partners for each SM field are introduced with the aim to cancel quadratic divergences in... Read More about Process gg→h0→γγ in the Lee-Wick standard model..

A standard format for Les Houches event files. (2007)
Journal Article
Alwall, J., Ballestrero, A., Bartalini, P., Belov, S., Boos, E., Buckley, A., …Zeppenfeld, D. (2007). A standard format for Les Houches event files. Computer Physics Communications, 176(4), 300-304. https://doi.org/10.1016/j.cpc.2006.11.010

A standard file format is proposed to store process and event information, primarily output from parton-level event generators for further use by general-purpose ones. The information content is identical with what was already defined by the Les Houc... Read More about A standard format for Les Houches event files..

Comparative study of various algorithms for the merging of parton showers and matrix elements in hadronic collisions. (2007)
Journal Article
Alwall, J., Höche, S., Krauss, F., Lavesson, N., Lönnblad, L., Maltoni, F., …Worek, M. (2008). Comparative study of various algorithms for the merging of parton showers and matrix elements in hadronic collisions. The European Physical Journal C, 53(3), 473-500. https://doi.org/10.1140/epjc/s10052-007-0490-5

We compare different procedures for combining fixed-order tree-level matrix-element generators with parton showers. We use the case of W-production at the Tevatron and the LHC to compare different implementations of the so-called CKKW and MLM schemes... Read More about Comparative study of various algorithms for the merging of parton showers and matrix elements in hadronic collisions..

Supersymmetry simulations with off-shell effects for LHC and ILC (2006)
Journal Article
Hagiwara, K., Kilian, W., Krauss, F., Ohl, T., Plehn, T., Rainwater, D., …Schumann, S. (2006). Supersymmetry simulations with off-shell effects for LHC and ILC. Physical Review D, 73(5), https://doi.org/10.1103/physrevd.73.055005

At the LHC and at an ILC, serious studies of new physics benefit from a proper simulation of signals and backgrounds. Using supersymmetric sbottom pair production as an example, we show how multiparticle final states are necessary to properly describ... Read More about Supersymmetry simulations with off-shell effects for LHC and ILC.

Simulating W / Z + jets production at the CERN LHC. (2005)
Journal Article
Krauss, F., Schalicke, A., Schumann, S., & Soff, G. (2005). Simulating W / Z + jets production at the CERN LHC. Physical Review D, 72(5), https://doi.org/10.1103/physrevd.72.054017

The merging procedure of tree-level matrix elements and the subsequent parton shower as implemented in the new event generator SHERPA will be validated for the example of single gauge boson production at the CERN LHC. The validation includes consiste... Read More about Simulating W / Z + jets production at the CERN LHC..

Studying W+ W− production at the Fermilab Tevatron with SHERPA. (2005)
Journal Article
Gleisberg, T., Krauss, F., Schalicke, A., Schumann, S., & Winter, J. (2005). Studying W+ W− production at the Fermilab Tevatron with SHERPA. Physical Review D, 72(3), https://doi.org/10.1103/physrevd.72.034028

The merging procedure of tree-level matrix elements with the subsequent parton shower as implemented in SHERPA will be studied for the example of W boson pair production at the Fermilab Tevatron. Comparisons with fixed order calculations at leading a... Read More about Studying W+ W− production at the Fermilab Tevatron with SHERPA..

Simulating W / Z + jets production at the Tevatron. (2004)
Journal Article
Krauss, F., Schalicke, A., Schumann, S., & Soff, G. (2004). Simulating W / Z + jets production at the Tevatron. Physical Review D, 70(11), https://doi.org/10.1103/physrevd.70.114009

The merging procedure of tree-level matrix elements and the subsequent parton shower as implemented in the new event generator SHERPA will be validated for the example of W/Z+jets production at the Tevatron. Comparisons with results obtained from oth... Read More about Simulating W / Z + jets production at the Tevatron..

Cross sections for multi-particle final states at a linear collider. (2004)
Journal Article
Gleisberg, T., Krauss, F., Papadopoulos, C., Schaelicke, A., & Schumann, S. (2004). Cross sections for multi-particle final states at a linear collider. The European Physical Journal C, 34(2), 173-180. https://doi.org/10.1140/epjc/s2004-01672-1

In this paper total cross sections for signals and backgrounds of top- and Higgs-production channels in e + e - collisions at a future linear collider are presented. All channels considered are characterized by the emergence of six-particle final sta... Read More about Cross sections for multi-particle final states at a linear collider..

Next-to-leading order {QCD} corrections to B anti-B mixing and epsilon(K) within the MSSM. (2002)
Journal Article
Krauss, F., & Soff, G. (2002). Next-to-leading order {QCD} corrections to B anti-B mixing and epsilon(K) within the MSSM. Nuclear Physics B, 633(1-2), 237-249. https://doi.org/10.1016/s0550-3213%2802%2900294-8

We compute the QCD corrections at next-to-leading order to the effective Hamiltonian for and mixing in the Minimal Supersymmetric Standard Model with minimal flavour violation. We take into account the region of low tanβ and focus on QCD corrections... Read More about Next-to-leading order {QCD} corrections to B anti-B mixing and epsilon(K) within the MSSM..

APACIC++ 1.0 : A Parton Cascade In C++. (2001)
Journal Article
Kuhn, R., Krauss, F., Ivanyi, B., & Soff, G. (2001). APACIC++ 1.0 : A Parton Cascade In C++. Computer Physics Communications, 134(2), 223-266. https://doi.org/10.1016/s0010-4655%2800%2900201-0

APACIC++ is a Monte Carlo event-generator dedicated for the simulation of electron–positron annihilations into jets. Within the framework of APACIC++, the emergence of jets is identified with the perturbative production of partons as governed by corr... Read More about APACIC++ 1.0 : A Parton Cascade In C++..

Production of bound mu+ mu- systems in relativistic heavy ion collisions. (1998)
Journal Article
Ginzburg, I., Jentschura, U., Karshenboim, S., Krauss, F., Serbo, V., & Soff, G. (1998). Production of bound mu+ mu- systems in relativistic heavy ion collisions. Physical review. C, Nuclear physics, 58(6), 3565-3573. https://doi.org/10.1103/physrevc.58.3565

Dimuonium (the bound system of two muons, the μ+μ−-atom system) has not been observed yet. In this paper we discuss the electromagnetic production of dimuonium at RHIC and LHC in relativistic heavy ion collisions. The production of parastates is anal... Read More about Production of bound mu+ mu- systems in relativistic heavy ion collisions..

Next-to-leading order QCD corrections for the B0 anti-B0 mixing with an extended Higgs sector. (1998)
Journal Article
Urban, J., Krauss, F., Jentschura, U., & Soff, G. (1998). Next-to-leading order QCD corrections for the B0 anti-B0 mixing with an extended Higgs sector. Nuclear Physics B, 523(1-2), 40-58. https://doi.org/10.1016/s0550-3213%2898%2900043-1

We present a calculation of the mixing including next-to-leading order (NLO) QCD corrections within the Two-Higgs Doublet Model (2HDM). The QCD corrections at NLO are contained in the factor denoted by η2 which modifies the result obtained at the low... Read More about Next-to-leading order QCD corrections for the B0 anti-B0 mixing with an extended Higgs sector..

Photon and gluon induced processes in relativistic heavy ion collisions (1997)
Journal Article
Krauss, F., Greiner, M., & Soff, G. (1997). Photon and gluon induced processes in relativistic heavy ion collisions. Progress in Particle and Nuclear Physics, 39, 503-564. https://doi.org/10.1016/s0146-6410%2897%2900049-5

Relativistic heavy-ion collisions at RHIC and LHC represent an intense source for photon induced processes. The strong transverse electromagnetic fields of the colliding heavy ions can be described as an equivalent swarm of photons, which leads to th... Read More about Photon and gluon induced processes in relativistic heavy ion collisions.