Outputs (2904)

Deconstructing defects (2019)
Journal Article
Hayling, J., Niarchos, V., & Papageorgakis, C. (2019). Deconstructing defects. Journal of High Energy Physics, 2019(2), Article 67. https://doi.org/10.1007/jhep02%282019%29067

We use the exact-deconstruction prescription to lift various squashed-S3 partition functions with supersymmetric-defect insertions to four-dimensional superconformal indices. Starting from three-dimensional circular-quiver theories with vortex-loop-o... Read More about Deconstructing defects.

Double copy structure of CFT correlators (2019)
Journal Article
Farrow, J. A., Lipstein, A. E., & McFadden, P. (2019). Double copy structure of CFT correlators. Journal of High Energy Physics, 2019(02), Article 130. https://doi.org/10.1007/jhep02%282019%29130

We consider the momentum-space 3-point correlators of currents, stress tensors and marginal scalar operators in general odd-dimensional conformal field theories. We show that the flat space limit of these correlators is spanned by gauge and gravitati... Read More about Double copy structure of CFT correlators.

Consistency of Higgsplosion in localizable QFT (2019)
Journal Article
Khoze, V. V., & Spannowsky, M. (2019). Consistency of Higgsplosion in localizable QFT. Physics Letters B, 790, 466-474. https://doi.org/10.1016/j.physletb.2019.01.052

We show that large n-particle production rates derived in the semiclassical Higgsplosion limit of scalar field theoretical models with spontaneous symmetry breaking, are consistent with general principles of localizable quantum field theory. The stri... Read More about Consistency of Higgsplosion in localizable QFT.

Precise predictions for V+jets dark matter backgrounds (2017)
Journal Article
Lindert, J., Pozzorini, S., Boughezal, R., Campbell, J., Denner, A., Dittmaier, S., …Williams, C. (2017). Precise predictions for V+jets dark matter backgrounds. The European Physical Journal C, 77(12), Article 829. https://doi.org/10.1140/epjc/s10052-017-5389-1

High-energy jets recoiling against missing transverse energy (MET) are powerful probes of dark matter at the LHC. Searches based on large MET signatures require a precise control of the Z(νν¯)+Z(νν¯)+ jet background in the signal region. This can be... Read More about Precise predictions for V+jets dark matter backgrounds.

Nelson-Barr relaxion (2019)
Journal Article
Davidi, O., Gupta, R. S., Perez, G., Redigolo, D., & Shalit, A. (2019). Nelson-Barr relaxion. Physical Review D, 99(3), Article 035014. https://doi.org/10.1103/physrevd.99.035014

Cosmological relaxation models in which the relaxion is identified with the QCD axion, generically fail to account for the smallness of the strong C P phase. We present a simple alternative solution to this “relaxion C P problem” based on the Nelson-... Read More about Nelson-Barr relaxion.

Unmixing supergravity (2018)
Journal Article
Aprile, F., Drummond, J., Heslop, P., & Paul, H. (2018). Unmixing supergravity. Journal of High Energy Physics, 2018(2), Article 133. https://doi.org/10.1007/jhep02%282018%29133

We examine the double-trace spectrum of N=4 super Yang-Mills theory in the supergravity limit. At large N double-trace operators exhibit degeneracy. By considering free-field and tree-level supergravity contributions to four-point functions of half-B... Read More about Unmixing supergravity.

Higgs pair production at NLO QCD for CP-violating Higgs sectors (2017)
Journal Article
Gröber, R., Mühlleitner, M., & Spira, M. (2017). Higgs pair production at NLO QCD for CP-violating Higgs sectors. Nuclear Physics B, 925, 1-27. https://doi.org/10.1016/j.nuclphysb.2017.10.002

Higgs pair production through gluon fusion is an important process at the LHC to test the dynamics underlying electroweak symmetry breaking. Higgs sectors beyond the Standard Model (SM) can substantially modify this cross section through novel coupli... Read More about Higgs pair production at NLO QCD for CP-violating Higgs sectors.

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.

Determination of the strong coupling constant αs(mZ) in next-to-next-to-leading order QCD using H1 jet cross section measurements (2017)
Journal Article
Andreev, V., Baghdasaryan, A., Begzsuren, K., Belousov, A., Bertone, V., Bolz, A., …Zomer, F. (2017). Determination of the strong coupling constant αs(mZ) in next-to-next-to-leading order QCD using H1 jet cross section measurements. The European Physical Journal C, 77(11), Article 791. https://doi.org/10.1140/epjc/s10052-017-5314-7

The strong coupling constant αsαs is determined from inclusive jet and dijet cross sections in neutral-current deep-inelastic ep scattering (DIS) measured at HERA by the H1 collaboration using next-to-next-to-leading order (NNLO) QCD predictions. The... Read More about Determination of the strong coupling constant αs(mZ) in next-to-next-to-leading order QCD using H1 jet cross section measurements.

Reducing the H0 and σ8 tensions with dark matter-neutrino interactions (2018)
Journal Article
Di Valentino, E., Bœhm, C., Hivon, E., & Bouchet, F. R. (2018). Reducing the H0 and σ8 tensions with dark matter-neutrino interactions. Physical Review D, 97(4), Article 043513. https://doi.org/10.1103/physrevd.97.043513

The introduction of dark matter-neutrino interactions modifies the cosmic microwave background (CMB) angular power spectrum at all scales, thus affecting the reconstruction of the cosmological parameters. Such interactions can lead to a slight increa... Read More about Reducing the H0 and σ8 tensions with dark matter-neutrino interactions.

Angles on CP-violation in Higgs boson interactions (2019)
Journal Article
Bernlochner, F. U., Englert, C., Hays, C., Lohwasser, K., Mildner, H., Pilkington, A., …Spannowsky, M. (2019). Angles on CP-violation in Higgs boson interactions. Physics Letters B, 790, 372-379. https://doi.org/10.1016/j.physletb.2019.01.043

CP-violation in the Higgs sector remains a possible source of the baryon asymmetry of the universe. Recent differential measurements of signed angular distributions in Higgs boson production provide a general experimental probe of the CP structure of... Read More about Angles on CP-violation in Higgs boson interactions.

Matrix supergroup Chern-Simons models for vortex-antivortex systems (2018)
Journal Article
Okazaki, T., & Smith, D. J. (2018). Matrix supergroup Chern-Simons models for vortex-antivortex systems. Journal of High Energy Physics, 2018(2), Article 118. https://doi.org/10.1007/jhep02%282018%29119

We study a U(N |M ) supermatrix Chern-Simons model with an SU(p|q) internal symmetry. We propose that the model describes a system consisting of N vortices and M antivortices involving SU(p|q) internal spin degrees of freedom. We present both classic... Read More about Matrix supergroup Chern-Simons models for vortex-antivortex systems.

Results from the Super Cryogenic Dark Matter Search Experiment at Soudan (2018)
Journal Article
Agnese, R., Aramaki, T., Arnquist, I., Baker, W., Balakishiyeva, D., Banik, S., …Zhao, X. (2018). Results from the Super Cryogenic Dark Matter Search Experiment at Soudan. Physical Review Letters, 120(6), Article 061802. https://doi.org/10.1103/physrevlett.120.061802

We report the result of a blinded search for weakly interacting massive particles (WIMPs) using the majority of the SuperCDMS Soudan data set. With an exposure of 1690 kg d, a single candidate event is observed, consistent with expected backgrounds.... Read More about Results from the Super Cryogenic Dark Matter Search Experiment at Soudan.

Entanglement shadows in LLM geometries (2017)
Journal Article
Balasubramanian, V., Lawrence, A., Rolph, A., & Ross, S. F. (2017). Entanglement shadows in LLM geometries. Journal of High Energy Physics, 2017(11), Article 159. https://doi.org/10.1007/jhep11%282017%29159

We find a new example of an asymptotically AdS5 × S5 geometry which has an entanglement shadow: that is, a region of spacetime which no Ryu-Takayanagi minimal surface enters. Our example is a particular case of the supersymmetric LLM geometries. Our... Read More about Entanglement shadows in LLM geometries.

Neutrino trident scattering at near detectors (2019)
Journal Article
Ballett, P., Hostert, M., Pascoli, S., Perez-Gonzalez, Y. F., Tabrizi, Z., & Funchal, R. Z. (2019). Neutrino trident scattering at near detectors. Journal of High Energy Physics, 2019(1), Article 119. https://doi.org/10.1007/jhep01%282019%29119

Neutrino trident scattering is a rare Standard Model process where a charged-lepton pair is produced in neutrino-nucleus scattering. To date, only the dimuon final-state has been observed, with around 100 total events, while the other channels are as... Read More about Neutrino trident scattering at near detectors.

Non-planar master integrals for the production of two off-shell vector bosons in collisions of massless partons (2014)
Journal Article
Caola, F., Henn, J. M., Melnikov, K., & Smirnov, V. A. (2014). Non-planar master integrals for the production of two off-shell vector bosons in collisions of massless partons. Journal of High Energy Physics, 2014(9), Article 043. https://doi.org/10.1007/jhep09%282014%29043

We present the calculation of all non-planar master integrals that are needed to describe production of two off-shell vector bosons in collisions of two massless partons through NNLO in perturbative QCD. The integrals are computed analytically using... Read More about Non-planar master integrals for the production of two off-shell vector bosons in collisions of massless partons.

Higgs Boson Production in Association with a Jet at Next-to-Next-to-Leading Order (2015)
Journal Article
Boughezal, R., Caola, F., Melnikov, K., Petriello, F., & Schulze, M. (2015). Higgs Boson Production in Association with a Jet at Next-to-Next-to-Leading Order. Physical Review Letters, 115(8), Article 082003. https://doi.org/10.1103/physrevlett.115.082003

We present precise predictions for Higgs boson production in association with a jet. We work in the Higgs effective field theory framework and compute next-to-next-to-leading order QCD corrections to the gluon-gluon and quark-gluon channels, which is... Read More about Higgs Boson Production in Association with a Jet at Next-to-Next-to-Leading Order.

Off-shell ttj Production and Top-quark Mass Studies at the LHC (2017)
Journal Article
Bevilacqua, G., Hartanto, H., Kraus, M., Schulze, M., & Worek, M. (2017). Off-shell ttj Production and Top-quark Mass Studies at the LHC. Acta Physica Polonica B, 48(12), 2251-2260. https://doi.org/10.5506/aphyspolb.48.2251

Precision studies of the properties of the top quark represent a cornerstone of the LHC physics program. In this contribution, we focus on the production of tt pairs in association with one hard jet and, in particular, on its connection with precisio... Read More about Off-shell ttj Production and Top-quark Mass Studies at the LHC.

QCD corrections to W + W − production through gluon fusion (2016)
Journal Article
Caola, F., Melnikov, K., Röntsch, R., & Tancredi, L. (2016). QCD corrections to W + W − production through gluon fusion. Physics Letters B, 754, 275-280. https://doi.org/10.1016/j.physletb.2016.01.046

We compute the next-to-leading order (NLO) QCD corrections to the gg→W+W−→l1+ν1l2−ν¯2 process, mediated by a massless quark loop, at the LHC. This process first contributes to the hadroproduction of W+W− at O(αs2), but, nevertheless, has a sizable im... Read More about QCD corrections to W + W − production through gluon fusion.

Studying the sensitivity of monotop probes to compressed supersymmetric scenarios at the LHC (2015)
Journal Article
Fuks, B., Richardson, P., & Wilcock, A. (2015). Studying the sensitivity of monotop probes to compressed supersymmetric scenarios at the LHC. The European Physical Journal C, 75(7), Article 308. https://doi.org/10.1140/epjc/s10052-015-3530-6

We investigate the sensitivity of the Large Hadron Collider to supersymmetric setups using monotop probes in which the signal is a single top quark produced in association with missing transverse energy. Our prospective study relies on Monte Carlo si... Read More about Studying the sensitivity of monotop probes to compressed supersymmetric scenarios at the LHC.