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Related papers: eta_c production at the Large Hadron Collider

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We calculate the production of $\chi_{c}$ and $\eta_{c}$ by the semi-coherent and coherent two-photon interaction in ultra-peripheral heavy ion collisions at Relativistic Heavy Ion Collider (RHIC) and Large Hadron Collider (LHC) energies.…

High Energy Physics - Phenomenology · Physics 2022-10-11 Gongming Yu , Yanbing Cai , Quangui Gao , Qiang Hu

The transverse momentum distributions for inclusive $\eta_{c,b}$ meson described by gluon-gluon interactions from photoproduction processes in relativistic heavy ion collisions are calculated. We considered the color singlet (CS) and color…

High Energy Physics - Phenomenology · Physics 2018-01-04 Gong-Ming Yu , Gao-Gao Zhao , Zhen Bai , Yan-Bing Cai , Hai-Tao Yang , Jian-Song Wang

Recent data from the Tevatron has revealed that the production rate of prompt charmonium at large transverse momentum is orders of magnitude larger than the best theoretical predictions of a few years ago. These surprising results can be…

High Energy Physics - Phenomenology · Physics 2009-10-28 E. Braaten , S. Fleming , T. C. Yuan

At existing and planned neutrino factories (high energy and high intensity neutrino beam facilities) precision studies of QCD in neutrino-nucleon interactions are a realistic opportunity. We investigate charmonium production in fixed target…

High Energy Physics - Phenomenology · Physics 2009-10-31 Alexey A. Petrov , Tibor Torma

The strong electromagnetic fields carried by relativistic highly charged ions make heavy-ion colliders attractive places to study photonuclear interactions and two-photon interactions. At RHIC, three experiments have studied coherent…

Nuclear Experiment · Physics 2008-10-21 Spencer R. Klein

We study the unpolarised and polarised hadro-production of charmonium in non-relativistic QCD (NRQCD) at low transverse momentum, including sufficiently higher orders in the relative velocity, $v$, so as to study the ratio of $\chi_{c1}$…

High Energy Physics - Phenomenology · Physics 2009-10-30 Sourendu Gupta , Prakash Mathews

In the context of the littlest Higgs model, we study the associated production of the Higgs boson and a top quark ($th$ production) at the CERN Large Hadron Collider (LHC). The cross sections for s-channel, t-channel processes and the…

High Energy Physics - Phenomenology · Physics 2009-11-19 Shuo Yang

Within the framework of nonrelativistic-QCD (NRQCD) factorization, we perform a comprehensive investigation of the color singlet (CS) contribution to prompt $J/\psi$ pair production at the CERN Large Hadron Collider at next-to-leading order…

High Energy Physics - Phenomenology · Physics 2025-05-08 Zhi-Guo He , Xiao-Bo Jin , Bernd A. Kniehl

The Large Hadron Collider (LHC) at CERN will provide proton-proton collisions at a centre-of-mass energy of 14 TeV with a design luminosity of 10**34/cm**2/s. The exploitation of the rich physics potential offered by the LHC will be…

High Energy Physics - Experiment · Physics 2007-05-23 Felicitas Pauss , Michael Dittmar

LHC is expected to be a top quark factory. If the fundamental Planck scale is near a TeV, then we also expect the top quarks to be produced from black holes via Hawking radiation. In this paper we calculate the cross sections for top quark…

High Energy Physics - Phenomenology · Physics 2009-02-10 Andrew Chamblin , Fred Cooper , Gouranga C. Nayak

In this work, we investigate the inclusive photoproduction of the $C$-odd, $S$-wave fully charmed tetraquark at electron-ion colliders within the nonrelativistic QCD (NRQCD) factorization framework, at the lowest order in velocity and…

High Energy Physics - Phenomenology · Physics 2024-09-23 Feng Feng , Yingsheng Huang , Yu Jia , Wen-Long Sang , De-Shan Yang , Jia-Yue Zhang

The production of the heavy $(c\bar{c})$-quarkonium, $(c\bar{b})$-quarkonium and $(b\bar{b})$-quarkonium states ($(Q\bar{Q'})$-quarkonium for short), via the $W^+$ semi-inclusive decays, has been systematically studied within the framework…

High Energy Physics - Phenomenology · Physics 2015-03-19 Qi-Li Liao , Xing-Gang Wu , Jun Jiang , Zhi Yang , Zhen-Yun Fang

If the minimal supersymmetric standard model at scales of around 1 TeV is realized in nature, the total top-squark pair production cross section should be measurable at the CERN Large Hadron Collider. In this work we present precise…

High Energy Physics - Phenomenology · Physics 2015-06-15 Alessandro Broggio , Andrea Ferroglia , Matthias Neubert , Leonardo Vernazza , Li Lin Yang

I review the main predictions for the heavy-ion programme at the Large Hadron Collider (LHC) at CERN, as available in early April 2009. I begin by remembering the standard claims made in view of the experimental data measured at the Super…

High Energy Physics - Phenomenology · Physics 2016-12-21 N. Armesto

Models with essential non-perturbative QCD dynamics for the production of charmonium are extrapolated to give predictions of prompt J/psi production at the LHC. Differences of up to an order of magnitude occurs, although the different…

High Energy Physics - Phenomenology · Physics 2011-03-23 J. Damet , G. Ingelman , C. B. Mariotto

The inclusive production of pseudoscalar heavy quarkoniua ($\eta_c,~\eta_b$ and $B_c$) via photon-photon fusion in heavy ion ultraperipheral collision (UPC) are calculated to QCD next-to-leading order in the framework of non-relativistic…

High Energy Physics - Phenomenology · Physics 2024-10-10 Jun Jiang , Shi-Yuan Li , Xiao Liang , Yan-Rui Liu , Cong-Feng Qiao , Zong-Guo Si , Hao Yang

The Large Hadron electron Collider (LHeC) is a proposed facility which will exploit the new world of energy and intensity offered by the LHC for electron-proton scattering, through the addition of a new electron accelerator. This…

High Energy Physics - Experiment · Physics 2012-02-14 Paul Laycock

We calculate the next-to-leading order (NLO) quantum chromodynamics (QCD) corrections to inclusive processes $W^+\to J/\psi(\eta_c)+c+\bar{s}+X$ and $W^+\to B_c(B_c^{*})+b+\bar{s}+X$ in the framework of nonrelativistic QCD (NRQCD)…

High Energy Physics - Phenomenology · Physics 2020-02-26 Zi-Qiang Chen , Hao Yang , Cong-Feng Qiao

We report on the next-to-leading order(NLO) QCD computation of top-quark pair production in association with a photon at the Fermilab Tevatron RUN II and CERN Large Hadron Collider(LHC). We describe the impact of the complete NLO QCD…

High Energy Physics - Phenomenology · Physics 2009-07-18 Duan Peng-Fei , Ma Wen-Gan , Zhang Ren-You , Han Liang , Guo Lei , Wang Shao-Ming

We investigate $J/\psi$ production at a Photon Linear Collider (PLC) in the framework of NRQCD factorization approach. It was shown that color octet contribution is dominating in charmonium production at PLC. The main fraction of $J/\psi$…

High Energy Physics - Phenomenology · Physics 2009-10-31 George Japaridze , Avto Tkabladze
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