Measurement of $\bar{\nu}_{\mu}$ and $\nu_{\mu}$ charged current inclusive cross sections and their ratio with the T2K off-axis near detector

Measurement of $\bar{\nu}_{\mu}$ and $\nu_{\mu}$ charged current inclusive cross sections and their ratio with the T2K off-axis near detector

We report a measurement of cross section σ(νμ+nucleus→μ-+X) and the first measurements of the cross section σ(ν¯μ+nucleus→μ++X) and their ratio R(σ(ν¯)σ(ν)) at (anti) neutrino energies below 1.5 GeV. We determine the single momentum bin cross section measurements, averaged over the T2K ν¯/ν-flux, fo...

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Veröffentlicht in:Physical review. D 2017, Vol.96 (5)
Hauptverfasser: Abe, K., Amey, J., Andreopoulos, C., Antonova, M., Aoki, S., Ariga, A., Ashida, Y., Ban, S., Barbi, M., Barker, G.J., Barr, G., Barry, C., Batkiewicz, M., Berardi, V., Berkman, S., Bhadra, S., Bienstock, S., Blondel, A., Bolognesi, S., Bordoni, S., Boyd, S.B., Brailsford, D., Bravar, A., Bronner, C., Buizza Avanzini, M., Calland, R.G., Campbell, T., Cao, S., Cartwright, S.L., Catanesi, M.G., Cervera, A., Chappell, A., Checchia, C., Cherdack, D., Chikuma, N., Christodoulou, G., Coleman, J., Collazuol, G., Coplowe, D., Cudd, A., Dabrowska, A., De Rosa, G., Dealtry, T., Denner, P.F., Dennis, S.R., Densham, C., Di Lodovico, F., Dolan, S., Drapier, O., Duffy, K.E., Dumarchez, J., Dunne, P., Emery-Schrenk, S., Ereditato, A., Feusels, T., Finch, A.J., Fiorentini, G.A., Friend, M., Fujii, Y., Fukuda, D., Fukuda, Y., Garcia, A., Giganti, C., Gizzarelli, F., Golan, T., Gonin, M., Hadley, D.R., Haegel, L., Haigh, J.T., Hansen, D., Harada, J., Hartz, M., Hasegawa, T., Hastings, N.C., Hayashino, T., Hayato, Y., Hillairet, A., Hiraki, T., Hiramoto, A., Hirota, S., Hogan, M., Holeczek, J., Hosomi, F., Huang, K., Ichikawa, A.K., Ikeda, M., Imber, J., Insler, J., Intonti, R.A., Ishida, T., Ishii, T., Iwai, E., Iwamoto, K., Izmaylov, A., Jamieson, B., Jiang, M., Johnson, S., Jonsson, P., Jung, C.K., Kabirnezhad, M.
Format: Artikel
Sprache:eng
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High Energy Physics - Experiment
Physics
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Zusammenfassung:We report a measurement of cross section σ(νμ+nucleus→μ-+X) and the first measurements of the cross section σ(ν¯μ+nucleus→μ++X) and their ratio R(σ(ν¯)σ(ν)) at (anti) neutrino energies below 1.5 GeV. We determine the single momentum bin cross section measurements, averaged over the T2K ν¯/ν-flux, for the detector target material (mainly carbon, oxygen, hydrogen and copper) with phase space restricted laboratory frame kinematics of θμ500  MeV/c. The results are σ(ν¯)=(0.900±0.029(stat)±0.088(syst))×10-39 and σ(ν)=(2.41±0.022(stat)±0.231(syst))×10-39 in units of cm2/nucleon and R(σ(ν¯)σ(ν))=0.373±0.012(stat)±0.015(syst).
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.96.052001