Measurements of $\pi^{\pm}$ differential yields from the surface of the T2K replica target for incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS

N. Abgrall; J. Dumarchez; M. Pavin; B. A. Popov; A. Robert; L. Zambelli; V. Galymov

doi:10.1140/epjc/s10052-016-4440-y

Measurements of $\pi^{\pm}$ differential yields from the surface of the T2K replica target for incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS

N. Abgrall J. Dumarchez ¹ M. Pavin ¹ B. A. Popov ¹ A. Robert ¹ L. Zambelli ¹ V. Galymov ²

1 LPNHE - Laboratoire de Physique Nucléaire et de Hautes Énergies

2 IPNL - Institut de Physique Nucléaire de Lyon

Abstract : Measurements of particle emission from a replica of the T2K 90 cm-long carbon target were performed in the NA61/SHINE experiment at CERN SPS, using data collected during a high-statistics run in 2009. An efficient use of the long-target measurements for neutrino flux predictions in T2K requires dedicated reconstruction and analysis techniques. Fully-corrected differential yields of $\pi^\pm$-mesons from the surface of the T2K replica target for incoming 31 GeV/c protons are presented. A possible strategy to implement these results into the T2K neutrino beam predictions is discussed and the propagation of the uncertainties of these results to the final neutrino flux is performed.

Type de document :

Article dans une revue

European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2016, 76, pp.617. 〈10.1140/epjc/s10052-016-4440-y〉

Domaine :

Physique [physics] / Physique des Hautes Energies - Expérience [hep-ex]

Physique [physics] / Physique [physics] / Instrumentations et Détecteurs [physics.ins-det]

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http://hal.in2p3.fr/in2p3-01299022
Contributeur : Sylvie Flores <>
Soumis le : jeudi 7 avril 2016 - 09:14:24
Dernière modification le : mercredi 21 mars 2018 - 18:57:00

Measurements of $\pi^{\pm}$ differential yields from the surface of the T2K replica target for incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS

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Measurements of $\pi^{\pm}$ differential yields from the surface of the T2K replica target for incoming 31 GeV/c protons with the NA61/SHINE spectrometer at the CERN SPS

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