/ hep-ex CERN-EP-2016-057


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


Abgrall, N. (LBL, Berkeley) ; Aduszkiewicz, A. (Warsaw U.) ; Ajaz, M. (COMSATS, Islamabad) ; Ali, Y. (Jagiellonian U.) ; Andronov, E. (St. Petersburg State U.) ; Antićić, T. (Boskovic Inst., Zagreb) ; Antoniou, N. (CERN) ; Baatar, B. (Dubna, JINR) ; Bay, F. (TUBITAK Res. Inst.) ; Blondel, A. (Geneva U.) ; Blümer, J. (KIT, Karlsruhe, IKP) ; Bogomilov, M. (Sofiya U.) ; Brandin, A. (Moscow Phys. Eng. Inst.) ; Bravar, A. (Brookhaven) ; Brzychczyk, J. (Jagiellonian U.) ; Bunyatov, S.A. (Dubna, JINR) ; Busygina, O. (Moscow, INR) ; Christakoglou, P. (NIKHEF, Amsterdam) ; Ćirković, M. (Belgrade U.) ; Czopowicz, T. (Warsaw U. of Tech.) ; Davis, N. (Athens U.) ; Debieux, S. (Geneva U.) ; Dembinski, H. (Delaware U., Bartol Inst.) ; Deveaux, M. (Frankfurt U.) ; Diakonos, F. (Athens U.) ; Di Luise, S. (Zurich, ETH) ; Dominik, W. (Warsaw U.) ; Dumarchez, J. (Paris U., VI-VII) ; Dynowski, K. (Warsaw U. of Tech.) ; Engel, R. (KIT, Karlsruhe) ; Ereditato, A. (Bern U., LHEP) ; Feofilov, G.A. (St. Petersburg State U.) ; Fodor, Z. (Budapest, RMKI) ; Garibov, A. (NNRC, Baku) ; Gaździcki, M. (Jan Kochanowski U.) ; Golubeva, M. (Moscow, INR) ; Grebieszkow, K. (Warsaw U. of Tech.) ; Grzeszczuk, A. (Silesia U.) ; Guber, F. (Moscow, INR) ; Haesler, A. (Geneva U.) ; Hasegawa, T. (Miyazaki U.) ; Hervé, A.E. (Adelaide U.) ; Hierholzer, M. (Hamburg U., Inst. Theor. Phys. II) ; Igolkin, S. (St. Petersburg State U.) ; Ivashkin, A. (Moscow, INR) ; Johnson, S.R. ; Kadija, K. (Boskovic Inst., Zagreb) ; Kapoyannis, A. (Athens U.) ; Kaptur, E. (Silesia U.) ; Kisiel, J. (Silesia U.) ; Kobayashi, T. (Tokyo U., ICEPP) ; Kolesnikov, V.I. (Dubna, JINR) ; Kolev, D. (Sofiya U.) ; Kondratiev, V.P. (St. Petersburg State U.) ; Korzenev, A. (IRFU, SPhN, Saclay) ; Kowalik, K. (Warsaw, Inst. Nucl. Studies) ; Kowalski, S. (Silesia U.) ; Koziel, M. (Lancaster U.) ; Krasnoperov, A. (Dubna, JINR) ; Kuich, M. (Warsaw U. of Tech.) ; Kurepin, A. (Warsaw, Inst. Nucl. Studies) ; Larsen, D. (Bergen U.) ; László, A. (Budapest, RMKI) ; Lewicki, M. (Warsaw U.) ; Lyubushkin, V.V. (Dubna, JINR) ; Maćkowiak-Pawłowska, M. (Warsaw U. of Tech.) ; Maksiak, B. (Warsaw U.) ; Malakhov, A.I. (Dubna, JINR) ; Manic, D. (Belgrade U.) ; Marcinek, A. (Jagiellonian U.) ; Marino, A.D. (Colorado U.) ; Marton, K. (Budapest, RMKI) ; Mathes, H. -J. (KIT, Karlsruhe, IKP) ; Matulewicz, T. (Darmstadt, GSI) ; Matveev, V. (Moscow, INR) ; Melkumov, G.L. (Dubna, JINR) ; Messerly, B. (Pittsburgh U.) ; Mills, G.B. (Los Alamos) ; Morozov, S. (Moscow Phys. Eng. Inst.) ; Mrówczyński, S. (Jan Kochanowski U.) ; Nagai, Y. ; Nakadaira, T. (KEK, Tsukuba) ; Naskręt, M. (Wroclaw U.) ; Nirkko, M. (U. Bern (main)) ; Nishikawa, K. (KEK, Tsukuba) ; Panagiotou, A.D. (Athens U.) ; Paolone, V. (UC, Davis) ; Pavin, M. (Paris U., VI-VII) ; Petukhov, O. (Moscow, INR) ; Pistillo, C. (Bern U., LHEP) ; Płaneta, R. ; Popov, B.A. (Paris U., VI-VII) ; Posiadała-Zezula, M. (Warsaw U. of Tech.) ; Puławski, S. (Silesia U.) ; Puzović, J. (Belgrade U.) ; Rauch, W. (CERN) ; Ravonel, M. (Geneva U.) ; Redij, A. (U. Bern (main)) ; Renfordt, R. (Frankfurt U., Inst. Kernphys.) ; Richter-Wąs, E. (Jagiellonian U.) ; Robert, A. (Ctr. d'Ocean., Marseille) ; Röhrich, D. (CERN) ; Rondio, E. (Warsaw, Inst. Nucl. Studies) ; Roth, M. (KIT, Karlsruhe, IKP) ; Rubbia, A. (Zurich, ETH) ; Rumberger, B.T. ; Rustamov, A. (Frankfurt U., Inst. Kernphys.) ; Rybczynski, M. (Jan Kochanowski U.) ; Sadovsky, A. (Moscow, INR) ; Sakashita, K. (Tokyo Inst. Tech.) ; Sarnecki, R. (Warsaw U. of Tech.) ; Schmidt, K. (Freiburg U.) ; Sekiguchi, T. (KEK, Tsukuba) ; Selyuzhenkov, I. (Darmstadt, EMMI) ; Seryakov, A. (St. Petersburg State U.) ; Seyboth, P. (SLAC) ; Sgalaberna, D. (Zurich, ETH) ; Shibata, M. (KEK, Tsukuba) ; Słodkowski, M. (Warsaw U. of Tech.) ; Staszel, P. (Jagiellonian U.) ; Stefanek, G. (Warsaw, Inst. Nucl. Studies) ; Stepaniak, J. (Warsaw, Inst. Nucl. Studies) ; Ströbele, H. (Frankfurt U., Inst. Kernphys.) ; Šuša, T. (Boskovic Inst., Zagreb) ; Szuba, M. (Warsaw U. of Tech.) ; Tada, M. (Kyoto U., Inst. Chem. Res.) ; Taranenko, A. (SUNY, Stony Brook) ; Tefelska, A. (Warsaw U. of Tech.) ; Tefelski, D. (Warsaw U. of Tech.) ; Tereshchenko, V. (Dubna, JINR) ; Tsenov, R. (Sofiya U.) ; Turko, L. (CERN) ; Ulrich, R. (KIT, Karlsruhe, EKP) ; Unger, M. (New York U.) ; Vassiliou, M. (Athens U.) ; Veberič, D. (Karlsruhe, Inst. Technol.) ; Vechernin, V.V. (St. Petersburg State U.) ; Vesztergombi, G. (Eotvos U.) ; Vinogradov, L. (St. Petersburg State U.) ; Wilczek, A. (Silesia U.) ; Włodarczyk, Z. (Jan Kochanowski U.) ; Wojtaszek-Szwarc, A. (Jan Kochanowski U.) ; Wyszyński, O. (Jagiellonian U. (main)) ; Yarritu, K. (Los Alamos) ; Zambelli, L. (Paris U., VI-VII) ; Zimmerman, E.D. (Colorado U.) ; Friend, M. (KEK, Tsukuba) ; Galymov, V. (Lyon, IPN) ; Hartz, M. (Pittsburgh U.) ; Hiraki, T. (Kyoto U.) ; Ichikawa, A. (KEK, Tsukuba) ; Kubo, H. (Kyoto U.) ; Matsuoka, K. (Kyoto U.) ; Murakami, A. (Kyoto U.) ; Nakaya, T. (Kyoto U.) ; Suzuki, K. (Nagoya U.) ; Tzanov, M. (Louisiana State U.) ; Yu, M. (Michigan U.)

Pages: 23

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.

Web-Page: http://inspirehep.net/record/1431983/files/Fraction_nonTarget_total_Numu_SK_2.png; http://inspirehep.net/record/1431983/files/Fraction_nonTarget_total_Nue_SK_2.png; http://inspirehep.net/record/1431983/files/longitudinal_alignment_vertex_search.png; http://inspirehep.net/record/1431983/files/systematics_pipos_canvas4_paper.png; http://inspirehep.net/record/1431983/files/Flux_Fractional_Error_Numu_FullStatCorr_CovMat_wrtPiParents_NoOutOfTgt_InRPS_v2.png; http://inspirehep.net/record/1431983/files/systematics_pineg_canvas4_paper.png; http://inspirehep.net/record/1431983/files/numuSK_staked.png; http://inspirehep.net/record/1431983/files/full_results_pipos_canvas4.png; http://inspirehep.net/record/1431983/files/full_results_pineg_canvas4.png; http://inspirehep.net/record/1431983/files/fitted_m2_projection.png; http://inspirehep.net/record/1431983/files/fitted_dedx_projection.png; http://inspirehep.net/record/1431983/files/analysis_binning.png; http://inspirehep.net/record/1431983/files/systematics_pipos_canvas3_paper.png; http://inspirehep.net/record/1431983/files/systematics_pineg_canvas3_paper.png; http://inspirehep.net/record/1431983/files/systematics_pipos_canvas2_paper.png; http://inspirehep.net/record/1431983/files/systematics_pipos_canvas1_paper.png; http://inspirehep.net/record/1431983/files/systematics_pineg_canvas2_paper.png; http://inspirehep.net/record/1431983/files/systematics_pineg_canvas1_paper.png; http://inspirehep.net/record/1431983/files/sk_numu_p250ka.png; http://inspirehep.net/record/1431983/files/full_results_pineg_canvas2.png; http://inspirehep.net/record/1431983/files/na61_setup_2.png; http://inspirehep.net/record/1431983/files/sk_nue_p250ka.png; http://inspirehep.net/record/1431983/files/full_results_pipos_canvas2.png; http://inspirehep.net/record/1431983/files/full_results_pipos_canvas3_label.png; http://inspirehep.net/record/1431983/files/full_results_pineg_canvas3_label.png; http://inspirehep.net/record/1431983/files/full_results_pineg_canvas1_label.png; http://inspirehep.net/record/1431983/files/full_results_pipos_canvas1_label.png; http://inspirehep.net/record/1431983/files/T2K_replica_beam_line.png; http://inspirehep.net/record/1431983/files/Data_Fluka_Reweight_PiPos_6_v2_label.png; http://inspirehep.net/record/1431983/files/Data_Fluka_Reweight_PiPos_3_v2_label.png; http://inspirehep.net/record/1431983/files/2d_scatter_fit.png; http://inspirehep.net/record/1431983/files/T2_beam_profile.png; http://inspirehep.net/record/1431983/files/ratio_thinTuned_replica.png; http://inspirehep.net/record/1431983/files/ratio_thinTuned06Xsec_replica.png; http://inspirehep.net/record/1431983/files/replica_target_binning_scheme.png; http://inspirehep.net/record/1431983/files/Data_Fluka_Reweight_PiPos_5_v2_label.png; http://inspirehep.net/record/1431983/files/Data_Fluka_Reweight_PiPos_4_v2_label.png; http://inspirehep.net/record/1431983/files/Data_Fluka_Reweight_PiPos_2_v2_label.png; http://inspirehep.net/record/1431983/files/Data_Fluka_Reweight_PiPos_1_v2_label.png; http://inspirehep.net/record/1431983/files/dedxBBneg.png; http://inspirehep.net/record/1431983/files/m2Fitpos.png; http://inspirehep.net/record/1431983/files/dedxBBpos.png; http://inspirehep.net/record/1431983/files/tgt_alignment_RSTposWSTneg_DATA.png; http://inspirehep.net/record/1431983/files/tgt_alignment_RSTnegWSTpos_DATA.png; http://inspirehep.net/record/1431983/files/arXiv:1603.06774.pdf

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