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Nucleon form factors at high momentum transfer |t| are treated in the framework of generalized parton distributions (GPD's). The possibility of obtaining information about parton high transverse momentum components by application of GPD's…

High Energy Physics - Phenomenology · Physics 2009-11-07 Pau Stoler

The effect of multiple scatterings on the propagation of hard partonic jets in a dense nuclear medium is studied in the framework of deep-inelastic scattering (DIS) off a large nucleus. Power counting arguments based on the Glauber improved…

High Energy Physics - Phenomenology · Physics 2015-06-05 Guang-You Qin , Abhijit Majumder

We study the structure of generalized parton distributions in impact parameter space with the aim of determining the size and role of small transverse separations components in the quarks wave function. We analyze the relation between…

High Energy Physics - Phenomenology · Physics 2009-11-10 S. Liuti , S. K. Taneja

The near-side distribution of particles at intermediate transverse momentum, associated with a high momentum trigger hadron produced in a high energy heavy-ion collision, is broadened in rapidity compared with the jet cone. This broadened…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Majumder , Berndt Muller , Steffen A. Bass

In the target rest frame and at high energies, Drell-Yan (DY) dilepton production looks like bremsstrahlung of massive photons, rather than parton annihilation. The projectile quark is decomposed into a series of Fock states. Configurations…

High Energy Physics - Phenomenology · Physics 2007-05-23 B. Z. Kopeliovich , J. Raufeisen , A. V. Tarasov

We study nuclear structure effects on the transparency in high transverse momentum $(p,2p)$ and $(e,e'p)$ reactions. We show that in the DWIA-eikonal approximation, even when correlations are included, one can get a factorized expression…

Nuclear Theory · Physics 2008-11-26 Sherman Frankel , William Frati , Niels R. Walet

It has been shown recently that there exist analytical solutions of the Yang-Mills equations for non-Abelian Weizs\"acker-Williams fields which describe the distribution of gluons in large nuclei at small x. These solutions however depend…

Nuclear Theory · Physics 2011-08-17 Larry McLerran , Raju Venugopalan

The mean transverse momentum in high energy nuclear collisions is studied. The formation of a Color Glass Condensate results in an increase of the square of the mean transverse momentum with the charged multiplicity per unit rapidity and…

High Energy Physics - Phenomenology · Physics 2010-11-30 Larry McLerran , Jurgen Schaffner-Bielich

The momentum distributions of partons in bound nucleons are known to depend significantly on the size of the nucleus. The Fourier transform of the momentum ($\xbj$) distribution measures the overlap between Fock components of the nucleon…

High Energy Physics - Phenomenology · Physics 2010-11-19 P. Hoyer , M. Vänttinen

We introduce a data analysis procedure for color transparency experiments which is considerably less model dependent than the transparency ratio method. The new method is based on fitting the shape of the A dependence of the nuclear cross…

High Energy Physics - Phenomenology · Physics 2007-05-23 Pankaj Jain , John P. Ralston

Various astrophysical studies have motivated the investigation of the transport of high energy particles in magnetic turbulence, either in the source or en route to the observation sites. For strong turbulence and large rigidity, the…

High Energy Astrophysical Phenomena · Physics 2011-07-08 I. Plotnikov , G. Pelletier , M. Lemoine

We prove that the inclusive single-gluon production cross section for a hadron colliding with a high-density target factorizes into the gluon distribution function of the projectile, defined as usual within the DGLAP collinear…

High Energy Physics - Phenomenology · Physics 2011-01-25 Adrian Dumitru , Jamal Jalilian-Marian

The interpretation of the nuclear cross sections measured using accelerator neutrino beams involve severe difficulties, arising primarily from the average over the incoming neutrino flux. The broad energy distribution of the beam particles…

Nuclear Theory · Physics 2021-10-12 Omar Benhar

We demonstrate that hard branching 2\to 3 particle processes with nuclei provide an effective way to determine the momentum transfers needed for effects of point-like configurations to dominate large angle 2\to 2 processes. In contrast with…

High Energy Physics - Phenomenology · Physics 2010-01-21 S. Kumano , M. Strikman

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

Using the leading twist approach to nuclear shadowing, which is based on the relationship between nuclear shadowing and diffraction on a nucleon, we calculate next-to-leading order nuclear parton distribution functions (nPDFs) and structure…

High Energy Physics - Phenomenology · Physics 2011-07-19 L. Frankfurt , V. Guzey , M. Strikman

We compute the momentum broadening of a heavy fundamental charge propagating through a $\mathcal{N}=4$ Yang Mills plasma at large t' Hooft coupling. We do this by expressing the medium modification of the probe's density matrix in terms of…

High Energy Physics - Theory · Physics 2010-10-27 Jorge Casalderrey-Solana , Derek Teaney

The average transverse momentum transfer per unit path length to a fast parton scattering elastically in a perturbative quark-gluon plasma is related to the radiative energy loss of the parton. We first calculate the momentum transfer…

High Energy Physics - Phenomenology · Physics 2009-12-31 A. Majumder , B. Müller , St. Mrowczynski

We consider momentum broadening and energy loss of high momentum partons in a hot non-Abelian plasma due to collisions. We solve the coupled system of Wong-Yang-Mills equations on a lattice in real time, including binary hard elastic…

High Energy Physics - Phenomenology · Physics 2014-11-18 Bjoern Schenke , Michael Strickland , Adrian Dumitru , Yasushi Nara , Carsten Greiner

The cross sections for a variety of diffractive processes in proton-nucleus scattering, associated with large gaps in rapidity, are calculated within an improved Glauber-Gribov theory, where the inelastic shadowing corrections are summed to…

Nuclear Theory · Physics 2014-11-20 M. Alvioli , C. Ciofi degli Atti , B. Z. Kopeliovich , I. K. Potashnikova , I. Schmidt