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Related papers: Deeply Virtual Exclusive Processes with Charm

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Off-diagonal parton distributions occur in several hard exclusive reactions. They extend the study of hadron structure beyond what can be learned from ordinary distributions and have a particularly rich spin structure. The hard scattering…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Diehl , T. Gousset , B. Pire

We outline in detail the properties of generalized parton distributions (GPDs), which contain new information on the structure of the nucleon and which enter the description of hard exclusive reactions. We highlight the physics content of…

High Energy Physics - Phenomenology · Physics 2016-09-06 K. Goeke , M. V. Polyakov , M. Vanderhaeghen

In this paper we analyze in detail how the measurements of exclusive electroproduction of mesons on neutrons would complement the studies of generalized parton distributions (GPDs) of the proton, providing independent experimental…

High Energy Physics - Phenomenology · Physics 2018-12-26 William Brooks , Ivan Schmidt , Marat Siddikov

Recent data on the production of $D$ mesons and $\Lambda_c^+$ baryons in heavy ion collisions at the Relativistic Heavy Ion Collider and the Large Hadron Collider exhibit a number of striking characteristics such as enhanced yield ratios…

High Energy Physics - Phenomenology · Physics 2020-05-20 Rui-Qin Wang , Jun Song , Feng-Lan Shao , Zuo-Tang Liang

We study the exclusive photoproduction of a photon-meson pair with a large invariant mass, working in the QCD factorisation framework. Explicitly, we consider a $ \rho $-meson or a charged $ \pi $ in the final state. This process gives…

High Energy Physics - Phenomenology · Physics 2022-12-07 Goran Duplančić , Saad Nabeebaccus , Kornelija Passek-Kumerički , Bernard Pire , Lech Szymanowski , Samuel Wallon

The exclusive processes in electron-proton ($ep$) interactions are an important tool to investigate the QCD dynamics at high energies as they are in general driven by the gluon content of proton which is strongly subject to parton…

High Energy Physics - Phenomenology · Physics 2014-11-20 V. P. Goncalves , M. V. T. Machado , A. R. Meneses

This report reviews the recent experimental results from the CLAS collaboration (Hall B of Jefferson Lab, or JLab) on Deeply Virtual Compton Scattering (DVCS) and Deeply Virtual Meson Production (DVMP) and discusses their interpretation in…

Nuclear Experiment · Physics 2015-06-03 Hyon-Suk Jo

Motivated by the possibility to use high intensity neutrino beams for neutrino-nucleon scattering experiments we analyze charged current induced exclusive meson production within the framework of generalized parton distributions. The cross…

High Energy Physics - Phenomenology · Physics 2009-11-07 B. Lehmann-Dronke , A. Schäfer

We analyze polarization effects in associative photoproduction of pseudoscalar ($\bar{D}$) charmed mesons in exclusive processes $\gamma+ N\to Y_c +\bar{D}$, $Y_c=\Lambda_c^+$, $\Sigma_c$. Circularly polarized photons induce nonzero…

High Energy Physics - Phenomenology · Physics 2009-11-10 Egle Tomasi-Gustafsson , Michail P. Rekalo

The natural interpretation of deep inelastic scattering is in terms of hard scattering on QCD constituents of the target. We examine the relation between amplitudes measured in exclusive lepto-production and the quark content of the…

High Energy Physics - Phenomenology · Physics 2008-11-26 Adam P. Szczepaniak , J. T. Londergan

The hadroproduction of charmed mesons is discussed within the framework of the modified Quark-Gluon String model (QGSM) taking into account the decays of corresponding $S$--wave resonances like $D^*$. It is shown that the estimate of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 G. H. Arakelyan

We explore the feasibility to study exclusive meson production (EMP) in hard muon-proton scattering at the COMPASS experiment. These measurements constrain the off-forward parton distributions (OFPD's) of the proton, which are related to…

High Energy Physics - Phenomenology · Physics 2009-09-25 Josef Pochodzalla , Lech Mankiewicz , Murray Moinester , Gunther Piller , Andrzej Sandacz , Marc Vanderhaeghen

In this Letter we explore the modelling of hadron production in electromagnetic ion dissociation (EMD) processes in high-energy ultraperipheral collisions at LHC energies. Since EMD can accompany exclusive particle production in these…

High Energy Physics - Phenomenology · Physics 2026-04-30 M. Dyndal , L. A. Harland-Lang

Exclusive quarkonium photo- and electro-production off the nucleon is studied in the framework of generalized parton distributions (GPDs). The short distance part of the process is treated at leading order in perturbative Quantum…

High Energy Physics - Phenomenology · Physics 2025-01-08 John Koempel , Peter Kroll , Andreas Metz , Jian Zhou

With a clean environment and high collision energy, the Circular Electron Positron Collider (CEPC) would be an excellent facility for heavy flavor physics. Using the Monte Carlo event generator Pythia, we simulate the production of the…

High Energy Physics - Phenomenology · Physics 2024-08-12 Zhao-Sai Jia , Gang Li , Pan-Pan Shi , Zhen-Hua Zhang

We discuss production of far-forward $D$ mesons/antimesons and neutrinos/antineutrinos from their semileptonic decays in pp-collisions at the LHC. We include the gluon-gluon fusion $gg \to c\bar{c}$, the intrinsic charm (IC) $gc \to gc$ as…

High Energy Physics - Phenomenology · Physics 2023-02-15 Rafal Maciula , Antoni Szczurek

Charm quark production and its hadronization in ep and eA collisions at the future Electron-Ion Collider in China (EicC) will help us understand the quark/gluon fragmentation processes and the hadronization mechanisms in the nuclear medium,…

Nuclear Experiment · Physics 2023-10-19 Senjie Zhu , Xiao Huang , Lei Xia , Aiqiang Guo , Yutie Liang , Yifei Zhang , Yuxiang Zhao

The production of baryons containing two charmed quarks Xi_cc in hadronic interactions at high energies and large transverse momenta is considered. It is supposed, that Xi_cc-baryon is formed during a non-perturbative fragmentation of the…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. A. Gunter , V. A. Saleev

The processes of D^{(*)}-mesons and \Lambda_c-baryons production in e^+e^--annihilation at 10.58 GeV and 91.18 GeV energies are concerned. At the 10.58 GeV energy the production of charmed particles via the B-mesons decays is also…

High Energy Physics - Phenomenology · Physics 2010-12-30 Alexey Novoselov

The effects of the intrinsic charm on the hadronic production of $\Xi_{cc}$ are studied. By taking reasonable intrinsic charm component into account, the change of the theoretical prediction on the production of $\Xi_{cc}$ for LHC and…

High Energy Physics - Phenomenology · Physics 2010-03-25 Chao-Hsi Chang , Jian-Ping Ma , Cong-Feng Qiao , Xing-Gang Wu
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