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We revisit high energy factorization for gluon mediated inclusive Deep Inelastic Scattering (DIS) for which we propose a new semi-classical approach that accounts systematically for the longitudinal extent of the target in contrast with the…

High Energy Physics - Phenomenology · Physics 2022-08-10 Renaud Boussarie , Yacine Mehtar-Tani

An approximately analysis study of the collinear approach for $t\overline{t}$ production at the Future Circular Collider hadron-electron (FCC-he) and the Large Hadron electron Collider (LHeC) is performed. To study heavy quark production…

High Energy Physics - Phenomenology · Physics 2023-03-21 G. R. Boroun

We study the transverse momentum ($p_T$) spectrum of charged particles produced in deep inelastic scattering (DIS) at small Bjorken $x$ in the central region between the current jet and the proton remnants. We calculate the spectrum at…

High Energy Physics - Phenomenology · Physics 2011-09-13 J. Kwiecinski , S. C. Lang , A. D. Martin

In this proceedings, we review our recent work on the heavy quark radiative energy loss in nuclei due to multiple parton scattering within the recently improved high-twist approach, where gauge invariance can be ensured by a delicate setup…

High Energy Physics - Phenomenology · Physics 2022-09-21 Yi-Lun Du

In deeply inelastic lepton-nucleus scattering (DIS), the average jet transverse momentum is broadened because of the multiple scattering in the nuclear medium. The size of jet broadening is proportional to the multi-parton correlation…

High Energy Physics - Phenomenology · Physics 2016-08-25 Xiaofeng Guo

Within the framework of higher-twist collinear factorization, transverse momentum broadening for the final hadrons in semi-inclusive deeply inelastic $e+A$ collisions is studied at the next-to-leading order (NLO) in perturbative QCD.…

High Energy Physics - Phenomenology · Physics 2016-12-28 Zhong-Bo Kang , Enke Wang , Xin-Nian Wang , Hongxi Xing

The case of heavy quark propagation in dense extended matter is studied in the multiple scattering formalism of the higher twist energy loss scheme. We consider the case of deep inelastic scattering off a large nucleus. The hard lepton…

Nuclear Theory · Physics 2014-12-31 Raktim Abir , Gagan Deep Kaur , Abhijit Majumder

We consider Higgs production in gluon fusion and in particular the prediction of the Higgs transverse momentum distribution. We discuss the ambiguities affecting the matching procedure between fixed order matrix elements and the resummation…

High Energy Physics - Phenomenology · Physics 2016-02-10 Emanuele Bagnaschi , Alessandro Vicini

The study of the structure of strongly interacting dense matter via hard jets is reviewed. High momentum partons produced in hard collisions produce a shower of gluons prior to undergoing the non-perturbative process of hadronization. In…

High Energy Physics - Phenomenology · Physics 2011-07-14 A. Majumder , M. Van Leeuwen

Parton Cascade Models (PCM), which describe the full time-evolution of a system of quarks and gluons using pQCD interactions are ideally suited for the description of jet production, including the emission, evolution and energy-loss of the…

High Energy Physics - Phenomenology · Physics 2015-05-27 Christopher E. Coleman-Smith , Steffen A. Bass , Dinesh K. Srivastava

Over the past years, there has been a sustained effort to systematically enhance our understanding of medium-induced emissions occurring in the quark-gluon plasma, driven by the ultimate goal of advancing our comprehension of jet quenching…

High Energy Physics - Phenomenology · Physics 2024-11-18 Carlota Andres , Liliana Apolinário , Fabio Dominguez , Marcos Gonzalez Martinez

Within the framework of generalized factorization of higher-twist contributions to semi-inclusive cross section of deeply inelastic scattering off a large nucleus, multiple parton scattering leads to an effective medium-modified…

High Energy Physics - Phenomenology · Physics 2014-11-20 Wei-tian Deng , Xin-Nian Wang

We calculate cross sections for $g g \to Q \bar Q Q \bar Q$ in the high-energy approximation in the mixed (longitudinal momentum fraction, impact parameter) and momentum space representations. Besides the total cross section as a function…

High Energy Physics - Phenomenology · Physics 2013-05-30 Wolfgang Schäfer , Antoni Szczurek

A detailed investigation of the energy loss of gluons that traverse a thermal gluonic medium simulated within the perturbative QCD--based transport model BAMPS (a Boltzmann approach to multiparton scatterings) is presented in the first part…

High Energy Physics - Phenomenology · Physics 2011-07-04 Oliver Fochler , Zhe Xu , Carsten Greiner

We compute dijet production in Deep Inelastic Scattering at low $x$ in the dipole formalism at next-to-eikonal accuracy. We calculate the contributions induced by single photon exchange of either longitudinal or transverse polarization. We…

High Energy Physics - Phenomenology · Physics 2023-10-06 Tolga Altinoluk , Guillaume Beuf , Alina Czajka , Arantxa Tymowska

The composite model is constructed to describe inelastic high-energy scattering of muons and taus in standard rock. It involves photonuclear interactions at low $Q^2$ as well as moderate $Q^2$ processes and the deep inelastic scattering…

High Energy Physics - Phenomenology · Physics 2009-11-10 K. S. Kuzmin , K. S. Lokhtin , S. I. Sinegovsky

We compute cross sections for incoherent diffractive J/Psi production in lepton-nucleus deep inelastic scattering. The cross section is proportional to A in the dilute limit and to A^(1/3) in the black disc limit, with a large nuclear…

High Energy Physics - Phenomenology · Physics 2015-03-17 T. Lappi , H. Mäntysaari

Event shape observables have been widely used for precision QCD studies at various lepton and hadron colliders. We present the most accurate calculation of the transverse-energy-energy correlation event shape variable in deep-inelastic…

High Energy Physics - Phenomenology · Physics 2020-12-02 Hai Tao Li , Ivan Vitev , Yu Jiao Zhu

An improved generalized suppression factor for gluon emission off a heavy quark is derived within perturbative QCD, which is valid for the full range of rapidity of the radiated gluon and also has no restriction on the scaled mass of the…

High Energy Physics - Phenomenology · Physics 2013-05-30 Raktim Abir , Carsten Greiner , Mauricio Martinez , Munshi G. Mustafa , Jan Uphoff

We discuss heavy quark diffusion and radiation in an intermediate-momentum regime where finite mass effects can be significant. Diffusion processes are described in the Fokker-Planck approximation for soft momentum transfer, while radiative…

High Energy Physics - Phenomenology · Physics 2024-02-22 Juhee Hong
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