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Related papers: The QED contribution to $J/\psi$ plus light hadron…

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We calculate the next-to-leading order(NLO) QCD corrections to the $WH^0$ production in association with a jet at hadron colliders. We study the impacts of the complete NLO QCD radiative corrections to the integrated cross sections, the…

High Energy Physics - Phenomenology · Physics 2015-03-17 Su Ji-Juan , Ma Wen-Gan , Zhang Ren-You , Guo Lei

We make a detailed study on the typical production channel of double charmoniums, $e^+e^-\to J/\psi+\eta_c$, at the center-of-mass collision energy $\sqrt{s}=10.58$ GeV. The key component of the process is the form factor $F_{\rm VP}(q^2)$,…

High Energy Physics - Phenomenology · Physics 2021-03-24 Long Zeng , Hai-Bing Fu , Dan-Dan Hu , Ling-Li Chen , Wei Cheng , Xing-Gang Wu

We calculate the cross sections of inclusive J/psi production in photoproduction and two-photon scattering, involving both direct and resolved photons, and in e^+e^- annihilation at next-to-leading order (NLO) within the factorization…

High Energy Physics - Phenomenology · Physics 2015-05-28 Mathias Butenschoen , Bernd A. Kniehl

We calculate the inclusive production of $h_c(h_b)$ at $e^+e^-$ colliders with the center-of-mass energy from the CLEO-c energy to $Z^0$ boson mass at leading order of nonrelativistic QCD. At $Z^0$ boson mass, the cross sections are $39\sim…

High Energy Physics - Phenomenology · Physics 2015-06-05 Jian-Xiong Wang , Hong-Fei Zhang

The ALICE Collaboration has studied the inclusive production of the charmonium state $\psi(2S)$ in proton-lead (p-Pb) collisions at the nucleon-nucleon centre of mass energy $\sqrt{s_{NN}}$ = 5.02 TeV at the CERN LHC. The measurement was…

Nuclear Experiment · Physics 2015-10-13 ALICE Collaboration

We evaluate the QED corrections due to initial state radiation (ISR) to associated Higgs boson production in electron-positron ($e^+ e^-$) annihilation at typical energies of interest for the measurement of the Higgs properties at future…

High Energy Physics - Phenomenology · Physics 2018-01-17 Mario Greco , Guido Montagna , Oreste Nicrosini , Fulvio Piccinini , Gabriele Volpi

By including the interference effect between the QCD and the QED diagrams, we carry out a complete analysis on the exclusive productions of $e^+e^- \to J/\psi+\chi_{cJ}$ ($J=0,1,2$) at the $B$ factories with $\sqrt{s}=10.6$ GeV at the…

High Energy Physics - Phenomenology · Physics 2018-11-14 YingZhao Jiang , Zhan Sun

Within the framework of nonrelativistic-QCD factorization, we calculate both the next-to-leading-order relativistic and QCD corrections to prompt $J/\psi$ pair production, with feeddown from $\psi(2S)$ mesons, via photon-photon collisions…

High Energy Physics - Phenomenology · Physics 2024-04-16 Zhi-Guo He , Xiao-Bo Jin , Bernd A. Kniehl , Rong Li

We calculate the contributions from QED processes involving two virtual photons to the cross sections for e^+ e^- annihilation into two charmonium states with the same C-parity. Generically, the cross sections are three orders of magnitude…

High Energy Physics - Phenomenology · Physics 2014-11-17 Geoffrey T. Bodwin , Eric Braaten , Jungil Lee

J/\psi production associated with a hard photon in e^+e^- annihilation, being of QED nature, is invastigated thoroughly in the paper. To show its influence on the observation of the color-octet singnature in the e^+e^- annihilation via…

High Energy Physics - Phenomenology · Physics 2009-12-30 Chao-Hsi Chang , Cong-Feng Qiao , Jian-Xiong Wang

The LHC provides new opportunities to improve our understanding of the b quark using high statistics data samples and the 14 TeV center-of-mass energy. The prospects to measure the cross section for inclusive b production in events…

High Energy Physics - Experiment · Physics 2007-06-14 Valery P. Andreev

We calculate the cross sections for the direct hadroproduction of J/psi and Upsilon associated with a heavy-quark pair of the same flavour at leading order in alpha_S and v in NRQCD. These processes provide an interesting signature that…

High Energy Physics - Phenomenology · Physics 2008-11-26 P. Artoisenet , J. P. Lansberg , F. Maltoni

The ALICE Collaboration has studied the inclusive $\psi(\rm 2S)$ production in p-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV at the CERN LHC. Measurements are performed, in the $\mu^{+}\mu^{-}$ decay channel, in a forward (2.03$<y_{\rm…

Nuclear Experiment · Physics 2019-08-13 Roberta Arnaldi

We study the inclusive J/psi production at large transverse momenta at lepton-hadron colliders in the limit when the exchange photon is quasi real, also referred to as photoproduction. Our computation includes the leading-P_T leading-v…

High Energy Physics - Phenomenology · Physics 2020-11-11 Carlo Flore , Jean-Philippe Lansberg , Hua-Sheng Shao , Yelyzaveta Yedelkina

Measurements of differential cross-sections for $J/\psi$ production in p+Pb collisions at $\sqrt{s_{NN}}$ = 5.02 TeV at the LHC with the ATLAS detector are presented. The data set used corresponds to an integrated luminosity of 28.1…

High Energy Physics - Experiment · Physics 2015-10-23 ATLAS Collaboration

The associated production of a $J/{\psi}$ and a $\pi$-meson in antiproton-nucleon annihilation is studied in the framework of QCD collinear factorization. In this approach, a hard subprocess responsible for the production of the heavy…

High Energy Physics - Phenomenology · Physics 2016-11-23 B. Pire , K. Semenov-Tian-Shansky , L. Szymanowski

We discuss the production of two hadrons in e+e- annihilation within the framework of perturbative QCD. The cross section for this process is calculated to next-to-leading order accuracy with a selection of variables that allows the…

High Energy Physics - Phenomenology · Physics 2015-06-25 D. de Florian , L. Vanni

Using information on B-meson fragmentation functions from CERN LEP 1 and adopting the nonrelativistic QCD factorization formalism proposed by Bodwin, Braaten, and Lepage, we predict the transverse-momentum distribution of J/psi mesons…

High Energy Physics - Phenomenology · Physics 2011-03-23 B. A. Kniehl , G. Kramer

We calculate the cross section of J/psi plus jet inclusive production in gamma gamma collisions at next-to-leading order within the factorization formalism of nonrelativistic quantum chromodynamics (NRQCD) focusing on direct…

High Energy Physics - Phenomenology · Physics 2011-03-23 M. Klasen , B. A. Kniehl , L. N. Mihaila , M. Steinhauser

The quarkonium plus photon production in coherent hadron-hadron interactions at the LHC is studied using the non-relativistic QCD factorization formalism. We investigate a set of kinematic distributions and compute the total cross sections…

High Energy Physics - Phenomenology · Physics 2018-04-27 M. M. Machado , G. Gil da Silveira