Spin dependence of associated production of a prompt photon and a charm quark at next-to-leading order in QCD

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A second order, O({alpha}{sup 2}{sub s}), calculation in perturbative quantum chromodynamics is presented of the longitudinal spin dependence of the cross section for the two particle inclusive reaction p + p {r_arrow} {gamma} + c + {Chi} for large values of the transverse momentum of the prompt photon and charm quark. Differential distributions are provided for the spin-averaged cross section and for the two-spin longitudinal polarization asymmetry A{sub LL} at the energy of the Brookhaven Relativistic Heavy Ion Collider. An assessment is given of the prospects for determination of the spin dependence of the charm quark density.

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674 Kilobytes pages

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Berger, Edmond L. & Gordon, Lionel E. June 1998.

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A second order, O({alpha}{sup 2}{sub s}), calculation in perturbative quantum chromodynamics is presented of the longitudinal spin dependence of the cross section for the two particle inclusive reaction p + p {r_arrow} {gamma} + c + {Chi} for large values of the transverse momentum of the prompt photon and charm quark. Differential distributions are provided for the spin-averaged cross section and for the two-spin longitudinal polarization asymmetry A{sub LL} at the energy of the Brookhaven Relativistic Heavy Ion Collider. An assessment is given of the prospects for determination of the spin dependence of the charm quark density.

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674 Kilobytes pages

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  • Journal Name: Phys.Rev. D58 (1998) 114024; Other Information: Submitted to Phys.Rev. D58 (1998) 114024

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  • Report No.: DOE/ER/40150-1506
  • Report No.: JLAB-THY-98-22
  • Report No.: ANL-HEP-PR-98-39
  • Report No.: hep-ph/9806265
  • Grant Number: AC05-84ER40150
  • Office of Scientific & Technical Information Report Number: 755938
  • Archival Resource Key: ark:/67531/metadc709225

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Office of Scientific & Technical Information Technical Reports

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  • June 1998

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  • Sept. 12, 2015, 6:31 a.m.

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  • June 3, 2016, 3:53 p.m.

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Berger, Edmond L. & Gordon, Lionel E. Spin dependence of associated production of a prompt photon and a charm quark at next-to-leading order in QCD, article, June 1998; Newport News, Virginia. (digital.library.unt.edu/ark:/67531/metadc709225/: accessed October 19, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.