Pion emission from the T2K replica target: method, results and application

N Abgrall,A Aduszkiewicz,T Anticic,N G Antoniou,J Argyriades,B Baatar, A Blondel,Joe B Blumer,M Bogomilov,A Bravar,W K Brooks,J Brzychczyk,A Bubak,S A Bunyatov,O Busygina,P Christakoglou,P Chung,T Czopowicz,N Davis,S Debieux,S Di Luise,W Dominik,J Dumarchez, K Dynowski, Rafael J Engel,A Ereditato,L S Esposito,G Feofilov,Z Fodor,A Ferrero,A Fulop,M Gazdzicki,M Golubeva, B Grabez,K Grebieszkow, A Grzeszczuk,F Guber,A Haesler,H Hakobyan,T Hasegawa,R Idczak, S Igolkin, Yury Ivanov,A Ivashkin,K Kadija,A S Kapoyannis,N Katrynska,D Kielczewska,D P Kikola,M Kirejczyk,J Kisiel,T Kiss,S Kleinfelder,T Kobayashi, O Kochebina,V Kolesnikov,D Kolev,V Kondratiev,A Korzenev,S Kowalski,A Krasnoperov,S Kuleshov,A B Kurepin,R Lacey,D T Larsen,A Laszlo,V V Lyubushkin,M Mackowiakpawlowska,Z Majka,B Maksiak,A Malakhov,D Maletic,A Marchionni,A Marcinek,I C Maris,V N Marin, Katalin Marton,T Matulewicz,Viktor Matveev,G L Melkumov,M Messina,St Mrowczynski,Simon J Murphy,T Nakadaira,K Nishikawa,T Palczewski, G Palla,Apostolos Panagiotou,T Paul,W Peryt,O Petukhov,R Planeta, J Pluta,B Popov,M Posiadala,S Pulawski,J Puzovic,W Rauch,M Ravonel, R Renfordt

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2013）

Cited 61|Views64

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Abstract

The T2K long-baseline neutrino oscillation experiment in Japan needs precise predictions of the initial neutrino flux. The highest precision can be reached based on detailed measurements of hadron emission from the same target as used by T2K exposed to a proton beam of the same kinetic energy of 30GeV. The corresponding data were recorded in 2007–2010 by the NA61/SHINE experiment at the CERN SPS using a replica of the T2K graphite target. In this paper details of the experiment, data taking, data analysis method and results from the 2007 pilot run are presented. Furthermore, the application of the NA61/SHINE measurements to the predictions of the T2K initial neutrino flux is described and discussed.

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Key words

Hadron production,Long target,Neutrino flux predictions

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