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We present pseudorapidity and transverse momentum distributions for the cross section for the production of the lightest neutral Higgs boson in association with a high-p_T hadronic jet, calculated in the framework of the minimal…

High Energy Physics - Phenomenology · Physics 2007-11-13 Oliver Brein , Wolfgang Hollik

We show that in studies of light quark- and gluon-initiated jet discrimination, it is important to include the information on softer reconstructed jets (associated jets) around a primary hard jet. This is particularly relevant while…

High Energy Physics - Phenomenology · Physics 2015-05-20 Biplob Bhattacherjee , Satyanarayan Mukhopadhyay , Mihoko M. Nojiri , Yasuhito Sakaki , Bryan R. Webber

We explore the perturbative QCD dynamics of hard parton-parton scattering through the exchange of a color singlet two-gluon ladder as described by the BFKL equation, resulting in a rapidity gap between two high transverse momentum jets.…

High Energy Physics - Phenomenology · Physics 2017-04-03 Andreas Ekstedt , Rikard Enberg , Gunnar Ingelman

The study of the inclusive production of a pair of charged light hadrons (a "dihadron" system) featuring high transverse momenta and well separated in rapidity represents a clear channel for the test of the BFKL dynamics at the Large Hadron…

High Energy Physics - Phenomenology · Physics 2017-06-15 Francesco Giovanni Celiberto , Dmitry Yu. Ivanov , Beatrice Murdaca , Alessandro Papa

The collider experiments at the Tevatron and the LHC will allow for detailed investigations of the properties of the top quark. This requires precise predictions of the hadronic production of $t\bar t$ pairs and of their subsequent decays.…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. Bernreuther , A. Brandenburg , Z. G. Si , P. Uwer

Experimental measurements of Drell-Yan (DY) vector-boson production are available from the Large Hadron Collider (LHC) and from lower-energy collider and fixed-target experiments. In the region of low vector-boson transverse momenta $q_T$,…

High Energy Physics - Phenomenology · Physics 2020-06-24 Francesco Hautmann , Ignazio Scimemi , Alexey Vladimirov

We study predictions from perturbative Quantum Chromodynamics (QCD) for the process pp -> H -> gamma gamma + X. In particular, we compare fully differential calculations at next-to-leading (NLO) and next-to-next-to-leading order (NNLO) in…

High Energy Physics - Phenomenology · Physics 2010-02-03 Fabian Stoeckli , Andre G. Holzner , Guenther Dissertori

We present theoretical predictions for five jet production in proton-proton collisions at next-to-leading order accuracy in QCD. Inclusive as well as differential observables are studied for collision energies of 7 and 8 TeV. In general the…

High Energy Physics - Phenomenology · Physics 2014-02-26 Simon Badger , Benedikt Biedermann , Peter Uwer , Valery Yundin

We compute the total cross section and the transverse momentum distribution for single charged slepton and sneutrino production at hadronic colliders including NLO supersymmetric and non-supersymmetric QCD corrections. The supersymmetric…

High Energy Physics - Phenomenology · Physics 2008-11-26 H. K. Dreiner , S. Grab , M. Krämer , M. K. Trenkel

We report the results of calculations of inclusive soft hadron production in proton-lead collisions at the LHC in the framework of modified quark-gluon string model (QGSM) extended to $pA$ interactions. Our consideration involves the…

High Energy Physics - Phenomenology · Physics 2026-03-20 A. V. Lipatov , G. I. Lykasov , M. A. Malyshev

Within the framework of perturbative Quantum Chromodynamics we derive transverse momentum dependent distributions describing both current and target fragmentation in semi-inclusive Deep Inelastic Scattering. We present, to leading…

High Energy Physics - Phenomenology · Physics 2008-11-26 Federico Alberto Ceccopieri , Luca Trentadue

Transverse momentum spectra, $d^2\sigma/(d\eta dp_T^2)$, of charged hadron production in $pp$-collisions are considered in terms of a recently introduced two component model. The shapes of the particle distributions vary as a function of…

High Energy Physics - Phenomenology · Physics 2015-05-20 Alexander Bylinkin , Nadezda Chernyavskaya , Andrei Rostovtsev

We study the universality issue of the transverse momentum dependent parton distributions at small-x, by comparing the initial/final state interaction effects in dijet-correlation in pA collisions with those in deep inelastic lepton nucleus…

High Energy Physics - Phenomenology · Physics 2014-11-20 Bo-Wen Xiao , Feng Yuan

We set up a formalism for calculating transverse-momentum-dependent parton distribution functions (TMDs) using the tools of saturation physics. By generalizing the quasi-classical Glauber-Gribov-Mueller/McLerran-Venugopalan approximation to…

High Energy Physics - Phenomenology · Physics 2015-12-31 Yuri V. Kovchegov , Matthew D. Sievert

Transverse momentum broadening and energy loss of a propagating parton are dictated by the space-time profile of the jet transport coefficient $\hat q$ in a dense QCD medium. The spatial gradient of $\hat q$ perpendicular to the propagation…

High Energy Physics - Phenomenology · Physics 2020-09-23 Yayun He , Long-Gang Pang , Xin-Nian Wang

Results are reported of a search for a deviation in the jet production cross section from the prediction of perturbative quantum chromodynamics at next-to-leading order. The search is conducted using a 7 TeV proton-proton data sample…

High Energy Physics - Experiment · Physics 2013-04-05 CMS Collaboration

We propose the study of the inclusive production of two $\Lambda$ hyperons or a single $\Lambda$-particle in association with a jet, featuring high transverse momenta and large separation in rapidity, as a probe channel of the resummation…

High Energy Physics - Phenomenology · Physics 2020-12-30 Francesco Giovanni Celiberto , Dmitry Yu. Ivanov , Alessandro Papa

Semi-Inclusive Deep-Inelastic Scattering provides unique access to the three-dimensional momentum and spin structure of the proton, enabling precise studies of parton dynamics and hadronization in QCD. We present a transverse-momentum…

High Energy Physics - Phenomenology · Physics 2026-02-09 Jun Gao , Hai Tao Li , Hua Xing Zhu , Yu Jiao Zhu

We derive one-loop matching condition for non-singlet quark distributions in transverse-momentum cut-off scheme, including unpolarized, helicity and transversity distributions. The matching is between the quasi-distribution defined by…

High Energy Physics - Phenomenology · Physics 2014-08-13 Xiaonu Xiong , Xiangdong Ji , Jian-Hui Zhang , Yong Zhao

We consider the transverse-momentum (q_T) distribution of Drell--Yan lepton pairs produced in hadron collisions. At small values of q_T, we resum the logarithmically-enhanced perturbative QCD contributions up to next-to-next-to-leading…

High Energy Physics - Phenomenology · Physics 2011-03-24 G. Bozzi , S. Catani , G. Ferrera , D. de Florian , M. Grazzini