Inclusive measurement of diffractive deep-inelastic scattering at HERA
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2012
H1 Collaboration (ukupan broj autora: 199)
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The diffractive process ep - GT eXY, where Y denotes a proton or its low mass excitation with M-Y LT 1.6 GeV, is studied with the H1 experiment at HERA. The analysis is restricted to the phase space region of the photon virtuality 3 LT = Q(2) LT = 1600 GeV2, the square of the fourmomentum transfer at the proton vertex vertical bar t vertical bar LT 1.0 GeV2 and the longitudinal momentum fraction of the incident proton carried by the colourless exchange x(P) LT 0.05. Triple differential cross sections are measured as a function of x(P), Q(2) and beta = x/x(P) where x is the Bjorken scaling variable. These measurements are made after selecting diffractive events by demanding a large empty rapidity interval separating the final state hadronic systems X and Y. High statistics measurements covering the data taking periods 1999-2000 and 2004-2007 are combined with previously published results in order to provide a single set of diffractive cross sections from the H1 experiment using the larg...e rapidity gap selection method. The combined data represent a factor between three and thirty increase in statistics with respect to the previously published results. The measurements are compared with predictions from NLO QCD calculations based on diffractive parton densities and from a dipole model. The proton vertex factorisation hypothesis is tested.
Izvor:
European Physical Journal C. Particles and Fields, 2012, 72, 7Finansiranje / projekti:
- DESY
DOI: 10.1140/epjc/s10052-012-2074-2
ISSN: 1434-6044
WoS: 000307269400021
Scopus: 2-s2.0-84865510538
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Institucija/grupa
VinčaTY - JOUR AU - Aaron, F. D. AU - Božović-Jelisavčić, Ivanka AU - Pandurović, Mila PY - 2012 UR - https://vinar.vin.bg.ac.rs/handle/123456789/4980 AB - The diffractive process ep - GT eXY, where Y denotes a proton or its low mass excitation with M-Y LT 1.6 GeV, is studied with the H1 experiment at HERA. The analysis is restricted to the phase space region of the photon virtuality 3 LT = Q(2) LT = 1600 GeV2, the square of the fourmomentum transfer at the proton vertex vertical bar t vertical bar LT 1.0 GeV2 and the longitudinal momentum fraction of the incident proton carried by the colourless exchange x(P) LT 0.05. Triple differential cross sections are measured as a function of x(P), Q(2) and beta = x/x(P) where x is the Bjorken scaling variable. These measurements are made after selecting diffractive events by demanding a large empty rapidity interval separating the final state hadronic systems X and Y. High statistics measurements covering the data taking periods 1999-2000 and 2004-2007 are combined with previously published results in order to provide a single set of diffractive cross sections from the H1 experiment using the large rapidity gap selection method. The combined data represent a factor between three and thirty increase in statistics with respect to the previously published results. The measurements are compared with predictions from NLO QCD calculations based on diffractive parton densities and from a dipole model. The proton vertex factorisation hypothesis is tested. T2 - European Physical Journal C. Particles and Fields T1 - Inclusive measurement of diffractive deep-inelastic scattering at HERA VL - 72 IS - 7 DO - 10.1140/epjc/s10052-012-2074-2 ER -
@article{ author = "Aaron, F. D. and Božović-Jelisavčić, Ivanka and Pandurović, Mila", year = "2012", abstract = "The diffractive process ep - GT eXY, where Y denotes a proton or its low mass excitation with M-Y LT 1.6 GeV, is studied with the H1 experiment at HERA. The analysis is restricted to the phase space region of the photon virtuality 3 LT = Q(2) LT = 1600 GeV2, the square of the fourmomentum transfer at the proton vertex vertical bar t vertical bar LT 1.0 GeV2 and the longitudinal momentum fraction of the incident proton carried by the colourless exchange x(P) LT 0.05. Triple differential cross sections are measured as a function of x(P), Q(2) and beta = x/x(P) where x is the Bjorken scaling variable. These measurements are made after selecting diffractive events by demanding a large empty rapidity interval separating the final state hadronic systems X and Y. High statistics measurements covering the data taking periods 1999-2000 and 2004-2007 are combined with previously published results in order to provide a single set of diffractive cross sections from the H1 experiment using the large rapidity gap selection method. The combined data represent a factor between three and thirty increase in statistics with respect to the previously published results. The measurements are compared with predictions from NLO QCD calculations based on diffractive parton densities and from a dipole model. The proton vertex factorisation hypothesis is tested.", journal = "European Physical Journal C. Particles and Fields", title = "Inclusive measurement of diffractive deep-inelastic scattering at HERA", volume = "72", number = "7", doi = "10.1140/epjc/s10052-012-2074-2" }
Aaron, F. D., Božović-Jelisavčić, I.,& Pandurović, M.. (2012). Inclusive measurement of diffractive deep-inelastic scattering at HERA. in European Physical Journal C. Particles and Fields, 72(7). https://doi.org/10.1140/epjc/s10052-012-2074-2
Aaron FD, Božović-Jelisavčić I, Pandurović M. Inclusive measurement of diffractive deep-inelastic scattering at HERA. in European Physical Journal C. Particles and Fields. 2012;72(7). doi:10.1140/epjc/s10052-012-2074-2 .
Aaron, F. D., Božović-Jelisavčić, Ivanka, Pandurović, Mila, "Inclusive measurement of diffractive deep-inelastic scattering at HERA" in European Physical Journal C. Particles and Fields, 72, no. 7 (2012), https://doi.org/10.1140/epjc/s10052-012-2074-2 . .