Multiple scattering effects on heavy meson production in p+A collisions at backward rapidity

Kang, Zhong-Bo; Vitev, Ivan; Wang, Enke; Xing, Hongxi; Zhang, Cheng

doi:10.1016/j.physletb.2014.11.024

Title: Multiple scattering effects on heavy meson production in p+A collisions at backward rapidity

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Abstract

We study the incoherent multiple scattering effects on heavy meson production in the backward rapidity region of p+A collisions within the generalized high-twist factorization formalism. We calculate explicitly the double scattering contributions to the heavy meson differential cross sections by taking into account both initial-state and final-state interactions, and find that these corrections are positive. We further evaluate the nuclear modification factor for muons that come form the semi-leptonic decays of heavy flavor mesons. Phenomenological applications in d+Au collisions at a center-of-mass energy View the MathML sources=200 GeV at RHIC and in p+Pb collisions at View the MathML sources=5.02 TeV at the LHC are presented. We find that incoherent multiple scattering can describe rather well the observed nuclear enhancement in the intermediate pTpT region for such reactions.

Authors:: Kang, Zhong-Bo; Vitev, Ivan; Wang, Enke; Xing, Hongxi; Zhang, Cheng

Publication Date:: Thu Jan 01 00:00:00 EST 2015

Research Org.:: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)

Sponsoring Org.:: USDOE Office of Science (SC), Nuclear Physics (NP)

OSTI Identifier:: 1209837

Alternate Identifier(s):: OSTI ID: 1208902

Grant/Contract Number:: 2012LANL7033; 2012LALN4005; 2013783PRD2; AC52-06NA25396

Resource Type:: Published Article

Journal Name:: Physics Letters B

Additional Journal Information:: Journal Name: Physics Letters B Journal Volume: 740 Journal Issue: C; Journal ID: ISSN 0370-2693

Publisher:: Elsevier

Country of Publication:: Netherlands

Language:: English

Subject:: 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats


                    Kang, Zhong-Bo, Vitev, Ivan, Wang, Enke, Xing, Hongxi, and Zhang, Cheng. Multiple scattering effects on heavy meson production in p+A collisions at backward rapidity.  Netherlands: N. p., 2015. 
Web.  doi:10.1016/j.physletb.2014.11.024.

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                    Kang, Zhong-Bo, Vitev, Ivan, Wang, Enke, Xing, Hongxi, & Zhang, Cheng. Multiple scattering effects on heavy meson production in p+A collisions at backward rapidity.  Netherlands.  https://doi.org/10.1016/j.physletb.2014.11.024

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                    Kang, Zhong-Bo, Vitev, Ivan, Wang, Enke, Xing, Hongxi, and Zhang, Cheng. Thu .  
"Multiple scattering effects on heavy meson production in p+A collisions at backward rapidity".  Netherlands.  https://doi.org/10.1016/j.physletb.2014.11.024.

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@article{osti_1209837,

  title        = {Multiple scattering effects on heavy meson production in p+A collisions at backward rapidity},

  author       = {Kang, Zhong-Bo and Vitev, Ivan and Wang, Enke and Xing, Hongxi and Zhang, Cheng},

  abstractNote = {We study the incoherent multiple scattering effects on heavy meson production in the backward rapidity region of p+A collisions within the generalized high-twist factorization formalism. We calculate explicitly the double scattering contributions to the heavy meson differential cross sections by taking into account both initial-state and final-state interactions, and find that these corrections are positive. We further evaluate the nuclear modification factor for muons that come form the semi-leptonic decays of heavy flavor mesons. Phenomenological applications in d+Au collisions at a center-of-mass energy View the MathML sources=200 GeV at RHIC and in p+Pb collisions at View the MathML sources=5.02 TeV at the LHC are presented. We find that incoherent multiple scattering can describe rather well the observed nuclear enhancement in the intermediate pTpT region for such reactions.},

  doi          = {10.1016/j.physletb.2014.11.024},

  journal      = {Physics Letters B},

  number       = C,

  volume       = 740,

  place        = {Netherlands},

  year         = {Thu Jan 01 00:00:00 EST 2015},

  month        = {Thu Jan 01 00:00:00 EST 2015}

}

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