English
Related papers

Related papers: Transverse nucleon structure and multiparton inter…

200 papers

Moving highly-charged ions carry strong electromagnetic fields that act as a field of photons. In collisions at large impact parameters, hadronic interactions are not possible, and the ions interact through photon-ion and photon-photon…

Nuclear Experiment · Physics 2009-07-10 Carlos A. Bertulani , Spencer R. Klein , Joakim Nystrand

We give a brief overview of recent progress in lattice QCD simulations that is enabling precision studies of the three-dimensional structure of the nucleon. We present results on nucleon charges and second Mellin moments of parton…

High Energy Physics - Lattice · Physics 2024-08-27 Constantia Alexandrou

The transverse momentum spectra of hadrons is calculated from the unintegrated gluon distribution (UGD) within the $k_T$-factorization framework at small $x$. Starting from $pp$ collisions, the modification caused by the nuclear medium is…

High Energy Physics - Phenomenology · Physics 2021-03-03 L. S. Moriggi , G. M. Peccini , M. V. T. Machado

We show that exclusive production of a pair of high transverse momentum photons in pion-nucleon collisions can be systematically studied in QCD factorization approach if the photon's transverse momentum $q_T$ with respect to the colliding…

High Energy Physics - Phenomenology · Physics 2022-08-24 Jian-Wei Qiu , Zhite Yu

The pp collisions have been studied for a long time, however, there are still some effects which are not completely understood, such as the long range angular correlations and the flow patterns in high multiplicity events, which were…

High Energy Physics - Phenomenology · Physics 2015-06-24 Eleazar Cuautle , Antonio Ortiz , Guy Paic

A parton-hadron cascade model which is the extension of hadronic cascade model incorporating hard partonic scattering based on HIJING is presented to describe the space-time evolution of parton/hadron system produced by ultra-relativistic…

Nuclear Theory · Physics 2009-10-31 Yasushi Nara

HERA has provided a wealth of high precision structure function and jet production data, allowing considerable progress to be made in understanding the structure of the proton. In this paper, several of the most recent proton structure…

High Energy Physics - Experiment · Physics 2014-11-17 C. Gwenlan

The physics programme of the ALICE experiment at CERN-LHC comprises besides studies of high-energy heavy-ion collisions measurements of proton-proton interactions at unprecedented energies, too. This paper focuses on the global event…

Nuclear Experiment · Physics 2019-08-13 Ingrid Kraus

Ultraperipheral collisions (UPCs) at the LHC and RHIC provide important new information on the partonic structure of the proton and nuclei and small-$x$ dynamics in QCD. We review phenomenological applications of the collinear factorization…

High Energy Physics - Phenomenology · Physics 2023-08-10 V. Guzey

The transverse momentum distribution for inclusive neutral pions in very forward rapidity region has been measured with the LHCf detector in p-Pb collisions at nucleon-nucleon center-of-mass energies of $\sqrt{s_{NN}}$ = 5.02 TeV at the…

High Energy Physics - Experiment · Physics 2014-09-16 Gaku Mitsuka

Multi-parton interactions are a fascinating phenomenon that occur in almost every high-energy hadron--hadron collision, yet are remarkably difficult to study quantitatively. In this letter we present a strategy to optimally disentangle…

High Energy Physics - Phenomenology · Physics 2024-05-20 Jeppe R. Andersen , Pier Francesco Monni , Luca Rottoli , Gavin P. Salam , Alba Soto-Ontoso

The inclusive $D^0$ photoproduction in $PbPb$ collisions at the center - of - mass energies of the Large Hadron Collider (LHC) is investigated considering the color dipole $S$ - matrix approach. The analytical expressions for the…

High Energy Physics - Phenomenology · Physics 2025-06-04 Victor P. Goncalves , Luana Santana , Wolfgang Schäfer

Ultra-peripheral collisions are the energy frontier for photon-mediated interactions, reaching, at the Large Hadron Collider (LHC), $\gamma-p$ center of mass energies five to ten times higher than at HERA and reaching $\gamma\gamma$…

Nuclear Experiment · Physics 2018-03-14 Spencer R. Klein

Hadron production has been measured at mid-rapidity by the ALICE experiment at the LHC in proton-lead (p-Pb) collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV. The transverse momentum ($p_{\rm T}$) distribution of primary charged particles and…

High Energy Physics - Experiment · Physics 2019-08-14 Roberto Preghenella

We report on the opportunities for spin physics and Transverse-Momentum Dependent distribution (TMD) studies at a future multi-purpose fixed-target experiment using the proton or lead ion LHC beams extracted by a bent crystal. The LHC…

Deuterons are atomic nuclei composed of a neutron and a proton held together by the strong interaction. Unbound ensembles composed of a deuteron and a third nucleon have been investigated in the past using scattering experiments and they…

Nuclear Experiment · Physics 2024-10-02 ALICE Collaboration

Completely unexplored regimes of QCD, dominated by high-density/temperature effects, are available in heavy ion experiments at collider energies. The successful RHIC program shows how relevant the high transverse momentum part of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Carlos A. Salgado

At the very first stage of an ultra-relativistic nucleus-nucleus collision new particles are produced in individual nucleon-nucleon collisions. In the transverse plane, all particles from a single $NN$ collision are initially located at the…

Nuclear Theory · Physics 2009-11-10 Sergei A. Voloshin

A study of the charged-particle density (number density) in the transverse region of the di-hadron correlations exploiting the existing pp and p$\bar{\rm p}$ data from RHIC to LHC energies is reported. This region has contributions from the…

High Energy Physics - Phenomenology · Physics 2021-10-25 Antonio Ortiz

Heavy ion collisions at RHIC energies (Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV) exhibit significant new features as compared to earlier experiments at lower energies. The reaction is characterized by a high degree of transparency of the…

Nuclear Experiment · Physics 2015-06-26 Jens Jorgen Gaardhoje