Measurement of the inelastic pp cross-section at a centre-of-mass energy of 13 TeV

Авторы: Бережной А.В., Горелов И.В., Лефлат А.К., Никитин Н.В., Саврина Д.В., Волков В.Ю., Жуков В.Ю., LHCb Collaboration
Журнал: Journal of High Energy Physics
Том: 2018
Номер: 6
Год издания: 2018
Издательство: IOP Publishing
Местоположение издательства: [Bristol, UK], England
DOI: 10.1007/jhep06(2018)100
Аннотация: The cross-section for inelastic proton-proton collisions at a centre-of-mass energy of 13 TeV is measured with the LHCb detector. The fiducial cross-section for inelastic interactions producing at least one prompt long-lived charged particle with momentum p>2 GeV/c in the pseudorapidity range 2<η<5 is determined to be σacc=62.2±0.2±2.5 mb. The first uncertainty is the intrinsic systematic uncertainty of the measurement, the second is due to the uncertainty on the integrated luminosity. The statistical uncertainty is negligible. Extrapolation to full phase space yields the total inelastic proton-proton cross-section σinel=75.4±3.0±4.5 mb, where the first uncertainty is experimental and the second due to the extrapolation. An updated value of the inelastic cross-section at a centre-of-mass energy of 7 TeV is also reported.
Добавил в систему: Бережной Александр Викторович

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