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Professor Frank Krauss' Outputs (119)

Hard diffraction in SHERPA (2024)
Journal Article
Krauss, F., & Meinzinger, P. (2024). Hard diffraction in SHERPA. The European Physical Journal C, 84(9), Article 894. https://doi.org/10.1140/epjc/s10052-024-13295-3

We present the first complete simulation framework for the simulation of jet production in diffractive events at next-to leading order in QCD, matched to the parton shower. We validate the implementation in the SHERPA event generator with data from t... Read More about Hard diffraction in SHERPA.

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.

Hadron-level NLO predictions for QCD observables in photo-production at the Electron-Ion Collider (2024)
Journal Article
Meinzinger, P., & Krauss, F. (2024). Hadron-level NLO predictions for QCD observables in photo-production at the Electron-Ion Collider. Physical Review D, 109(3), Article 034037. https://doi.org/10.1103/physrevd.109.034037

We present the first next-to-leading order accurate hadron-level predictions for inclusive QCD and jet observables in photo-production for electron-proton beams at the upcoming electron-ion collider. Our predictions show large 𝐾 factors of about 60%... Read More about Hadron-level NLO predictions for QCD observables in photo-production at the Electron-Ion Collider.

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.