Outputs (2904)

Reconstruction of top-quark mass effects in Higgs pair production and other gluon-fusion processes (2018)
Journal Article
Gröber, R., Maier, A., & Rauh, T. (2018). Reconstruction of top-quark mass effects in Higgs pair production and other gluon-fusion processes. Journal of High Energy Physics, 2018(3), Article 020. https://doi.org/10.1007/jhep03%282018%29020

We propose a novel method for the treatment of top-quark mass effects in the production of H(∗), HH, HZ and ZZ final states in gluon fusion. We show that it is possible to reconstruct the full top-quark mass dependence of the virtual amplitudes from... Read More about Reconstruction of top-quark mass effects in Higgs pair production and other gluon-fusion processes.

Thermodynamics of charged, rotating, and accelerating black holes (2019)
Journal Article
Anabalón, A., Gray, F., Gregory, R., Kubizňák, D., & Mann, R. B. (2019). Thermodynamics of charged, rotating, and accelerating black holes. Journal of High Energy Physics, 2019(4), Article 96. https://doi.org/10.1007/jhep04%282019%29096

We show how to obtain a consistent thermodynamic description of accelerating asymptotically AdS black holes, extending our previous results by including charge and rotation. We find that the key ingredient of consistent thermodynamics is to ensure th... Read More about Thermodynamics of charged, rotating, and accelerating black holes.

hh+Jet production at 100 TeV (2018)
Journal Article
Banerjee, S., Englert, C., Mangano, M. L., Selvaggi, M., & Spannowsky, M. (2018). hh+Jet production at 100 TeV. The European Physical Journal C, 78(4), Article 322. https://doi.org/10.1140/epjc/s10052-018-5788-y

Higgs pair production is a crucial phenomenological process in deciphering the nature of the TeV scale and the mechanism underlying electroweak symmetry breaking. At the Large Hadron Collider, this process is statistically limited. Pushing the energy... Read More about hh+Jet production at 100 TeV.

The geometry of on-shell diagrams (2014)
Journal Article
Franco, S., Galloni, D., & Mariotti, A. (2014). The geometry of on-shell diagrams. Journal of High Energy Physics, 2014(8), Article 38. https://doi.org/10.1007/jhep08%282014%29038

The fundamental role of on-shell diagrams in quantum field theory has been recently recognized. On-shell diagrams, or equivalently bipartite graphs, provide a natural bridge connecting gauge theory to powerful mathematical structures such as the Gras... Read More about The geometry of on-shell diagrams.

Higgs portal valleys, stability and inflation (2015)
Journal Article
Ballesteros, G., & Tamarit, C. (2015). Higgs portal valleys, stability and inflation. Journal of High Energy Physics, 2015(9), Article 210. https://doi.org/10.1007/jhep09%282015%29210

The measured values of the Higgs and top quark masses imply that the Standard Model potential is very likely to be unstable at large Higgs values. This is particularly problematic during inflation, which sources large perturbations of the Higgs. The... Read More about Higgs portal valleys, stability and inflation.

Holographic mutual information in global Vaidya-BTZ spacetime (2015)
Journal Article
Ziogas, V. (2015). Holographic mutual information in global Vaidya-BTZ spacetime. Journal of High Energy Physics, 2015(9), Article 114. https://doi.org/10.1007/jhep09%282015%29114

We investigate the evolution of the mutual information between two spatial subsystems in a compact 1+1 dimensional CFT after a quantum quench. To this end, we use the dual holographic process, given by the 2+1 dimensional Vaidya-BTZ spacetime in glob... Read More about Holographic mutual information in global Vaidya-BTZ spacetime.

Automated event generation for loop-induced processes (2015)
Journal Article
Hirschi, V., & Mattelaer, O. (2015). Automated event generation for loop-induced processes. Journal of High Energy Physics, 2015(10), Article 146. https://doi.org/10.1007/jhep10%282015%29146

We present the first fully automated implementation of cross-section computation and event generation for loop-induced processes. This work is integrated in the MadGraph5_aMC@NLO framework. We describe the optimisations implemented at the level of th... Read More about Automated event generation for loop-induced processes.

Multi-jet merged top-pair production including electroweak corrections (2018)
Journal Article
Gütschow, C., Lindert, J. M., & Schoenherr, M. (2018). Multi-jet merged top-pair production including electroweak corrections. The European Physical Journal C, 78(4), Article 317. https://doi.org/10.1140/epjc/s10052-018-5804-2

We present theoretical predictions for the production of top-quark pairs in association with jets at the LHC including electroweak (EW) corrections. First, we present and compare differential predictions at the fixed-order level for tt¯ and tt¯+jet p... Read More about Multi-jet merged top-pair production including electroweak corrections.

Generalised form factor dark matter in the Sun (2015)
Journal Article
Vincent, A. C., Serenelli, A., & Scott, P. (2015). Generalised form factor dark matter in the Sun. Journal of Cosmology and Astroparticle Physics, 2015(08), Article 040. https://doi.org/10.1088/1475-7516/2015/08/040

We study the effects of energy transport in the Sun by asymmetric dark matter with momentum and velocity-dependent interactions, with an eye to solving the decade-old Solar Abundance Problem. We study effective theories where the dark matter-nucleon... Read More about Generalised form factor dark matter in the Sun.

Constraints on Majorana dark matter from a fourth lepton family (2014)
Journal Article
Hapola, T., Järvinen, M., Kouvaris, C., Panci, P., & Virkajärvi, J. (2014). Constraints on Majorana dark matter from a fourth lepton family. Journal of Cosmology and Astroparticle Physics, 2014(02), Article 050. https://doi.org/10.1088/1475-7516/2014/02/050

We study the possibility of dark matter in the form of heavy neutrinos from a fourth lepton family with helicity suppressed couplings such that dark matter is produced thermally via annihilations in the early Universe. We present all possible constra... Read More about Constraints on Majorana dark matter from a fourth lepton family.

Higgs production in bottom-quark fusion: Matching beyond leading order (2016)
Journal Article
Forte, S., Napoletano, D., & Ubiali, M. (2016). Higgs production in bottom-quark fusion: Matching beyond leading order. Physics Letters B, 763, 190-196. https://doi.org/10.1016/j.physletb.2016.10.040

We compute the total cross-section for Higgs boson production in bottom-quark fusion using the so-called FONLL method for the matching of a scheme in which the b-quark is treated as a massless parton to that in which it is treated as a massive final-... Read More about Higgs production in bottom-quark fusion: Matching beyond leading order.

Higgs production in bottom-quark fusion in a matched scheme (2015)
Journal Article
Forte, S., Napoletano, D., & Ubiali, M. (2015). Higgs production in bottom-quark fusion in a matched scheme. Physics Letters B, 751, 331-337. https://doi.org/10.1016/j.physletb.2015.10.051

We compute the total cross-section for Higgs boson production in bottom-quark fusion using the so-called FONLL method for the matching of a scheme in which the b-quark is treated as a massless parton to that in which it is treated as a massive final-... Read More about Higgs production in bottom-quark fusion in a matched scheme.

Parton distribution functions at LO, NLO and NNLO with correlated uncertainties between orders (2014)
Journal Article
Belov, P., Britzger, D., Camarda, S., Cooper-Sarkar, A., Diaconu, C., Feltesse, J., …Lisovyi, M. (2014). Parton distribution functions at LO, NLO and NNLO with correlated uncertainties between orders. The European Physical Journal C, 74(10), Article 3039. https://doi.org/10.1140/epjc/s10052-014-3039-4

Sets of parton distribution functions (PDFs) of the proton are reported for the leading (LO), next-to-leading (NLO) and next-to-next-to-leading-order (NNLO) QCD calculations. The parton distribution functions are determined with the HERAFitter progra... Read More about Parton distribution functions at LO, NLO and NNLO with correlated uncertainties between orders.

New interpretation of the recent result of AMS-02 and multi-component decaying dark matters with non-Abelian discrete flavor symmetry (2014)
Journal Article
Kajiyama, Y., Okada, H., & Toma, T. (2014). New interpretation of the recent result of AMS-02 and multi-component decaying dark matters with non-Abelian discrete flavor symmetry. The European Physical Journal C, 74(2), Article 2722. https://doi.org/10.1140/epjc/s10052-014-2722-9

Recently the AMS-02 experiment has released the data of positron fraction with a very small statistical error. Because of the small error, it is no longer easy to fit the data with single dark matter for a fixed diffusion model and dark matter profil... Read More about New interpretation of the recent result of AMS-02 and multi-component decaying dark matters with non-Abelian discrete flavor symmetry.

A compression algorithm for the combination of PDF sets (2015)
Journal Article
Carrazza, S., Latorre, J. I., Rojo, J., & Watt, G. (2015). A compression algorithm for the combination of PDF sets. The European Physical Journal C, 75(10), Article 474. https://doi.org/10.1140/epjc/s10052-015-3703-3

The current PDF4LHC recommendation to estimate uncertainties due to parton distribution functions (PDFs) in theoretical predictions for LHC processes involves the combination of separate predictions computed using PDF sets from different groups, each... Read More about A compression algorithm for the combination of PDF sets.

First Look at Two-Loop Five-Gluon Scattering in QCD (2018)
Journal Article
Badger, S., Brønnum-Hansen, C., Hartanto, H. B., & Peraro, T. (2018). First Look at Two-Loop Five-Gluon Scattering in QCD. Physical Review Letters, 120(9), Article 092001. https://doi.org/10.1103/physrevlett.120.092001

We compute the leading-color contributions to five-gluon scattering at two loops in massless QCD. The integrands of all independent helicity amplitudes are evaluated using d -dimensional generalized unitarity cuts and finite field reconstruction tech... Read More about First Look at Two-Loop Five-Gluon Scattering in QCD.

Partonic transverse momenta in soft collisions (2014)
Journal Article
Khoze, V., Martin, A., & Ryskin, M. (2014). Partonic transverse momenta in soft collisions. The European Physical Journal C, 74(12), Article 3199. https://doi.org/10.1140/epjc/s10052-014-3199-2

The partonic transverse momentum, kt , distribution plays a crucial role in driving high-energy hadron interactions. If kt is limited we have old fashioned Regge theory. If kt increases with energy the interaction may be described by perturbative QCD... Read More about Partonic transverse momenta in soft collisions.

Modular S4 models of lepton masses and mixing (2019)
Journal Article
Novichkov, P., Penedo, J., Petcov, S., & Titov, A. (2019). Modular S4 models of lepton masses and mixing. Journal of High Energy Physics, 2019(4), Article 5. https://doi.org/10.1007/jhep04%282019%29005

We investigate models of charged lepton and neutrino masses and lepton mixing based on broken modular symmetry. The matter fields in these models are assumed to transform in irreducible representations of the finite modular group Γ4 ≃ S4. We analyse... Read More about Modular S4 models of lepton masses and mixing.

Magnetohydrodynamics as Superfluidity (2019)
Journal Article
Armas, J., & Jain, A. (2019). Magnetohydrodynamics as Superfluidity. Physical Review Letters, 122(14), Article 141603. https://doi.org/10.1103/physrevlett.122.141603

We show that relativistic magnetohydrodynamics (MHD) can be recast as a novel theory of superfluidity. This new theory formulates MHD just in terms of conservation equations, including dissipative effects, by introducing appropriate variables such as... Read More about Magnetohydrodynamics as Superfluidity.

The Constrained NMSSM with right-handed neutrinos (2018)
Journal Article
Cerdeño, D. G., De Romeri, V., Martín-Lozano, V., Olive, K. A., & Seto, O. (2018). The Constrained NMSSM with right-handed neutrinos. The European Physical Journal C, 78(4), Article 290. https://doi.org/10.1140/epjc/s10052-018-5689-0

In this article, we demonstrate that the inclusion of right-handed neutrino superfields in the Next-to-Minimal Supersymmetric Standard Model (NMSSM) makes it possible to impose universality conditions on the soft supersymmetry-breaking parameters at... Read More about The Constrained NMSSM with right-handed neutrinos.