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Measurement of D^{*\pm} meson production and determination of F_2^{ccbar} at low Q2 in deep-inelastic scattering at HERA


H1 Collaboration; Aaron, F D; Alexa, C; Andreev, V; Müller, K; Robmann, P; Straumann, U; Truöl, P (2011). Measurement of D^{*\pm} meson production and determination of F_2^{ccbar} at low Q2 in deep-inelastic scattering at HERA. European Physical Journal C - Particles and Fields, 71(10):1769.

Abstract

Inclusive production of D ∗ mesons in deep-inelastic ep scattering at HERA is studied in the range 5<Q 2<100 GeV2 of the photon virtuality and 0.02<y<0.7 of the inelasticity of the scattering process. The observed phase space for the D ∗ meson is p T (D ∗)>1.25 GeV and |η(D ∗)|<1.8. The data sample corresponds to an integrated luminosity of 348 pb−1 collected with the H1 detector. Single and double differential cross sections are measured and the charm contribution F2cc to the proton structure function F 2 is determined. The results are compared to perturbative QCD predictions at next-to-leading order implementing different schemes for the charm mass treatment and with Monte Carlo models based on leading order matrix elements with parton showers.

Abstract

Inclusive production of D ∗ mesons in deep-inelastic ep scattering at HERA is studied in the range 5<Q 2<100 GeV2 of the photon virtuality and 0.02<y<0.7 of the inelasticity of the scattering process. The observed phase space for the D ∗ meson is p T (D ∗)>1.25 GeV and |η(D ∗)|<1.8. The data sample corresponds to an integrated luminosity of 348 pb−1 collected with the H1 detector. Single and double differential cross sections are measured and the charm contribution F2cc to the proton structure function F 2 is determined. The results are compared to perturbative QCD predictions at next-to-leading order implementing different schemes for the charm mass treatment and with Monte Carlo models based on leading order matrix elements with parton showers.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Physics Institute
Dewey Decimal Classification:530 Physics
Language:English
Date:2011
Deposited On:12 Feb 2012 13:50
Last Modified:05 Apr 2016 15:34
Publisher:Springer
ISSN:1434-6044 (P) 1434-6052 (E)
Additional Information:The original publication is available at www.springerlink.com
Publisher DOI:https://doi.org/10.1140/epjc/s10052-011-1769-0
Related URLs:http://arxiv.org/abs/1106.1028

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