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Seryakov, A. Zaitsev, B.A. Popov, B. Koz{\\l}owski, B. Maksiak, B. Messerly, B. Porfy, B.T. Rumberger, D. Kolev, D. Larsen, D. Pszczel, D. R\\\"ohrich, D.S. Prokhorova, D. Tefelski, D. Uzhva, D. Veberi\\v{c}, E.D. Zimmerman, E. Kashirin, E. Rondio, E.V. Andronov, F.F. Valiev, F. Guber, G.A. Feofilov, G.L. Melkumov, G. Stefanek, H. Adhikary, H. Cherif, H.-J. Mathes, H. Str\\\"obele, I. Selyuzhenkov, J. Brzychczyk, J. Cybowska, J. Dumarchez, J. Puzovi\\'c, J. Stepaniak, K. Grebieszkow, K. Kadija, K.K. Allison, K. {\\L}ojek, K. Marton, K. Schmidt, K. Wojcik, L. Fields, {\\L}. Mik, L. Turko, M. Baszczyk, M. Bogomilov, M. Buryakov, M. \\'Cirkovi\\'c, M. Csanad, M. Deliyergiyev, M. Deveaux, M. Ga\\'zdzicki, M. Golubeva, M. Kie{\\l}bowicz, M. Koziel, M. Kuich, M. Lewicki, M. Ma\\'ckowiak-Paw{\\l}owska, M. Naskr\\k{e}t, M. Pavin, M. Posiada{\\l}a-Zezula, M. Ravonel, M. Roth, M. Rumyantsev, M. Rybczynski, M. S{\\l}odkowski, M. Strikhanov, M. Unger, NA61/SHINE Collaboration: A. Acharya, N. Davis, N. Kargin, O. Busygina, O. Golosov, O. Petukhov, O. Wyszy\\'nski, P. Dorosz, P. Podlaski, P. Seyboth, P. Staszel, R. Engel, R. P{\\l}aneta, R. Renfordt, R. Tsenov, R. Ulrich, R. Zwaska, S. Bhosale, S. Ilieva, S. Kowalski, S. Morozov, S.N. Igolkin, S. Pu{\\l}awski, S.R. Johnson, S. Sadhu, T. Anti\\'ci\\'c, T. Czopowicz, T. Matulewicz, T.V. Lazareva, T. \\v{S}u\\v{s}a, V.A. Kireyeu, V. Babkin, V. Golovatyuk, V.I. Kolesnikov, V. Klochkov, V. Matveev, V.N. Kovalenko, V. Ozvenchuk, V. Paolone, V. Tereshchenko, V.V. Lyubushkin, V.V. Vechernin, W. Bryli\\'nski, W. Dominik, W. Kucewicz, Y. Nagai, Z. Fodor, Z. Majka","submitted_at":"2020-10-22T15:56:20Z","abstract_excerpt":"The production cross section of 30.92 GeV/$c$ protons on carbon is measured by the NA61/SHINE spectrometer at the CERN SPS by means of beam attenuation in a copy (replica) of the 90-cm-long target of the T2K neutrino oscillation experiment. 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