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  • Measurements of the $\nu_{\mu}$ and $\bar{\nu}_{\mu}$-induced Coherent Charged Pion Production Cross Sections on $^{12}C$ by the T2K experiment
    Abe, K; Atkin, E. T; Boyd, S. B; Carabadjac, D; Cervera, A; Chakrani, J; Chong, P. S; Cook, L; Delogu, C. C; Doyle, T. A; Drapier, O; Eguchi, A; Emery-Schrenk, S; Eurin, G; Fedotov, S; Fujii, Y; Glagolev, V; Rosa, J. González; Gorin, A; Hasegawa, T; Hastings, N. C; Hayato, Y; Hogan, M; Van, N. T. Hong; Honjo, T; Ikeda, M; Ji, J. Y; Kabirnezhad, M; Kakuno, H; Kameda, J; Kataoka, Y; Kiseeva, V; Kisiel, J; Kobayashi, H; Kurjata, R; La Commara, M; Lagoda, J; Laporte, J. -F; Li, W; Ludovici, L; Magaletti, L; Marti-Magro, L; Martini, M; Martin, J. F; Matsubara, T; Mauger, C; McElwee, J; Mefodiev, A; Metelko, C; Mezzetto, M; Miller, E; Mineev, O; Nagai, K; Nakagiri, K; Nakamura, H; Nakano, Y; Nakayama, S; Nguyen, V. Q; Niewczas, K; Nishimura, Y; Novella, P; Okinaga, W; Pintaudi, G; Popov, B; Pupilli, F; Radermacher, T; Radics, B; Ratoff, P. N; Reh, M; Roth, S; Rubbia, A; Ruggles, C. A; Seiya, Y; Sekiya, H; Shaikhiev, A; Shaker, F; Shorrock, W; Sobczyk, J. T; Soler, F. J. P; Tairafune, S; Takayasu, S; Takeda, A; Takifuji, K; Tani, M; Toki, W; Touramanis, C; Uchida, Y; Vargas, D; Varghese, M; Vinning, W. G. S; Wan, L; Wilking, M. J; Yanagisawa, C; Yokoyama, M; Yoshimoto, Y; Zalipska, J; Zhu, T; Ziembicki, M; Zimmerman, E. D; Zito, M

    08/2023
    Journal Article

    Phys.Rev.D 108 (2023) 9, 092009 We report an updated measurement of the $\nu_{\mu}$-induced, and the first measurement of the $\bar{\nu}_{\mu}$-induced coherent charged pion production cross section on $^{12}C$ nuclei in the T2K experiment. This is measured in a restricted region of the final-state phase space for which $p_{\mu,\pi} > 0.2$ GeV, $\cos(\theta_{\mu}) > 0.8$ and $\cos(\theta_{\pi}) > 0.6$, and at a mean (anti)neutrino energy of 0.85 GeV using the T2K near detector. The measured $\nu_{\mu}$ CC coherent pion production flux-averaged cross section on $^{12}C$ is $(2.98 \pm 0.37 (stat.) \pm 0.31 (syst.) \substack{ +0.49 \\ -0.00 } \mathrm{ (Q^2\,model)}) \times 10^{-40}~\mathrm{cm}^{2}$. The new measurement of the $\bar{\nu}_{\mu}$-induced cross section on $^{12}{C}$ is $(3.05 \pm 0.71 (stat.) \pm 0.39 (syst.) \substack{ +0.74 \\ -0.00 } \mathrm{(Q^2\,model)}) \times 10^{-40}~\mathrm{cm}^{2}$. The results are compatible with both the NEUT 5.4.0 Berger-Sehgal (2009) and GENIE 2.8.0 Rein-Sehgal (2007) model predictions.

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