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Production of D*+/-(2010) mesons in diffractive deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 82 pb(-1). Diffractive events were identified by the presence of a large rapidity gap in the final state. Differential cross sections have been measured in the kinematic region 1.5 < Q(2) < 200 GeV2 0.02 < y < 0.7, x(P) < 0.035, beta < 0.8, P-T (D*+/-) > 1.5 GeV and eta(D*+/-) < 1.5. The measured cross sections are compared to theoretical predictions. The results are presented in terms of the open-charm contribution to the diffractive proton structure function. The data demonstrate a strong sensitivity to the diffractive parton densities. (C) 2003 Published by Elsevier B.V.

Measurement of the open-charm contribution to the diffractive proton structure function / S., C., M., D., D., K., J. H., L., S., M., B., M., J., R., R., Y., P., A., G., B., M., B., L., B., D., B., A., B., G., B., G. C., R., L., C., E., C., A., C., M., C., et al.. - In: NUCLEAR PHYSICS. B. - ISSN 0550-3213. - 672:1-2(2003), pp. 3-35. [10.1016/j.nuclphysb.2003.09.001]

Measurement of the open-charm contribution to the diffractive proton structure function

D'AGOSTINI, Giulio;NIGRO, Andrea;
2003

Abstract

Production of D*+/-(2010) mesons in diffractive deep inelastic scattering has been measured with the ZEUS detector at HERA using an integrated luminosity of 82 pb(-1). Diffractive events were identified by the presence of a large rapidity gap in the final state. Differential cross sections have been measured in the kinematic region 1.5 < Q(2) < 200 GeV2 0.02 < y < 0.7, x(P) < 0.035, beta < 0.8, P-T (D*+/-) > 1.5 GeV and eta(D*+/-) < 1.5. The measured cross sections are compared to theoretical predictions. The results are presented in terms of the open-charm contribution to the diffractive proton structure function. The data demonstrate a strong sensitivity to the diffractive parton densities. (C) 2003 Published by Elsevier B.V.
2003
01 Pubblicazione su rivista::01a Articolo in rivista
Measurement of the open-charm contribution to the diffractive proton structure function / S., C., M., D., D., K., J. H., L., S., M., B., M., J., R., R., Y., P., A., G., B., M., B., L., B., D., B., A., B., G., B., G. C., R., L., C., E., C., A., C., M., C., et al.. - In: NUCLEAR PHYSICS. B. - ISSN 0550-3213. - 672:1-2(2003), pp. 3-35. [10.1016/j.nuclphysb.2003.09.001]
01a Articolo in rivista
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/394014
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