Measurement of D*± meson production and F₂c in deep-inelastic scattering at HERA

C Adloff; Yves Coppens; John Dowell; Peter Faulkner; Yves Fleming; John Garvey; Carrie Johnson; Ian Kenyon; David Lamb; Paul Newman; Syed Rizvi; Paul Thompson

doi:10.1016/S0370-2693(02)01195-4

Measurement of D*± meson production and F₂c in deep-inelastic scattering at HERA

C Adloff, Yves Coppens, John Dowell, Peter Faulkner, Yves Fleming, John Garvey, Carrie Johnson, Ian Kenyon, David Lamb, Paul Newman, Syed Rizvi, Paul Thompson

Physics and Astronomy

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Abstract

The inclusive production of D*+/-(2010) mesons in deep-inelastic scattering is studied with the HI detector at HERA. In the kinematic region 1 <Q(2) <100 GeV2 and 0.05 <y <0.7 an e(+) p cross section for inclusive D*+/- meson production of 8.50 +/- 0.42(stat.)(-100)(+1.21)(syst.) nb is measured in the visible range p(tD*) > 1.5 GeV and \eta(D*)\ <1.5. Single and double differential inclusive D*+/- meson cross sections are compared to perturbative QCD calculations in two different evolution schemes, The charm contribution to the proton structure, F-c(2)(x, Q(2)), is determined by extrapolating the visible charm cross section to the full phase space. This contribution is found to rise from about 10% at Q(2) = 1.5 GeV2 to more than 25% at Q(2) = 60 GeV2 corresponding to x values ranging from 5 x 10(-5) to 3 x 10(-3). (C) 2002 Elsevier Science B.V. All rights reserved.

Original language	English
Pages (from-to)	199
Number of pages	1
Journal	Physics Letters B
Volume	528
Issue number	3-4
DOIs	https://doi.org/10.1016/S0370-2693(02)01195-4
Publication status	Published - 7 Mar 2002

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title = "Measurement of D*± meson production and F₂c in deep-inelastic scattering at HERA",

abstract = "The inclusive production of D*+/-(2010) mesons in deep-inelastic scattering is studied with the HI detector at HERA. In the kinematic region 1 <Q(2) <100 GeV2 and 0.05 1.5 GeV and \eta(D*)\ <1.5. Single and double differential inclusive D*+/- meson cross sections are compared to perturbative QCD calculations in two different evolution schemes, The charm contribution to the proton structure, F-c(2)(x, Q(2)), is determined by extrapolating the visible charm cross section to the full phase space. This contribution is found to rise from about 10% at Q(2) = 1.5 GeV2 to more than 25% at Q(2) = 60 GeV2 corresponding to x values ranging from 5 x 10(-5) to 3 x 10(-3). (C) 2002 Elsevier Science B.V. All rights reserved.",

author = "C Adloff and Yves Coppens and John Dowell and Peter Faulkner and Yves Fleming and John Garvey and Carrie Johnson and Ian Kenyon and David Lamb and Paul Newman and Syed Rizvi and Paul Thompson",

year = "2002",

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doi = "10.1016/S0370-2693(02)01195-4",

language = "English",

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journal = "Physics Letters B",

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TY - JOUR

T1 - Measurement of D*± meson production and F₂c in deep-inelastic scattering at HERA

AU - Adloff, C

AU - Coppens, Yves

AU - Dowell, John

AU - Faulkner, Peter

AU - Fleming, Yves

AU - Garvey, John

AU - Johnson, Carrie

AU - Kenyon, Ian

AU - Lamb, David

AU - Newman, Paul

AU - Rizvi, Syed

AU - Thompson, Paul

PY - 2002/3/7

Y1 - 2002/3/7

N2 - The inclusive production of D*+/-(2010) mesons in deep-inelastic scattering is studied with the HI detector at HERA. In the kinematic region 1 <Q(2) <100 GeV2 and 0.05 1.5 GeV and \eta(D*)\ <1.5. Single and double differential inclusive D*+/- meson cross sections are compared to perturbative QCD calculations in two different evolution schemes, The charm contribution to the proton structure, F-c(2)(x, Q(2)), is determined by extrapolating the visible charm cross section to the full phase space. This contribution is found to rise from about 10% at Q(2) = 1.5 GeV2 to more than 25% at Q(2) = 60 GeV2 corresponding to x values ranging from 5 x 10(-5) to 3 x 10(-3). (C) 2002 Elsevier Science B.V. All rights reserved.

AB - The inclusive production of D*+/-(2010) mesons in deep-inelastic scattering is studied with the HI detector at HERA. In the kinematic region 1 <Q(2) <100 GeV2 and 0.05 1.5 GeV and \eta(D*)\ <1.5. Single and double differential inclusive D*+/- meson cross sections are compared to perturbative QCD calculations in two different evolution schemes, The charm contribution to the proton structure, F-c(2)(x, Q(2)), is determined by extrapolating the visible charm cross section to the full phase space. This contribution is found to rise from about 10% at Q(2) = 1.5 GeV2 to more than 25% at Q(2) = 60 GeV2 corresponding to x values ranging from 5 x 10(-5) to 3 x 10(-3). (C) 2002 Elsevier Science B.V. All rights reserved.

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U2 - 10.1016/S0370-2693(02)01195-4

DO - 10.1016/S0370-2693(02)01195-4

M3 - Article

VL - 528

SP - 199

JO - Physics Letters B

JF - Physics Letters B

IS - 3-4

ER -

Measurement of D*± meson production and F₂c in deep-inelastic scattering at HERA

Abstract

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