Measurement of the production cross section of 31 GeV/c protons on carbon via beam attenuation in a 90-cm-long target
- NA61/SHINE Collaboration
- Acharya, A.
- Adhikary, H.
- Aduszkiewicz, A.
- Allison, K. K.
- Andronov, E. V.
- Antićić, T.
- Babkin, V.
- Baszczyk, M.
- Bhosale, S.
- Blondel, A.
- Bogomilov, M.
- Brandin, A.
- Bravar, A.
- Bryliński, W.
- Brzychczyk, J.
- Buryakov, M.
- Busygina, O.
- Bzdak, A.
- Cherif, H.
- C¨irković, M.
- Csanad, M.
- Cybowska, J.
- Czopowicz, T.
- Damyanova, A.
- Davis, N.
- Deliyergiyev, M.
- Deveaux, M.
- Dmitriev, A.
- Dominik, W.
- Dorosz, P.
- Dumarchez, J.
- Engel, R.
- Feofilov, G. A.
- Fields, L.
- Fodor, Z.
- Garibov, A.
- Gaździcki, M.
- Golosov, O.
- Golovatyuk, V.
- Golubeva, M.
- Grebieszkow, K.
- Guber, F.
- Haesler, A.
- Igolkin, S. N.
- Ilieva, S.
- Ivashkin, A.
- Johnson, S. R.
- Kadija, K.
- Kargin, N.
- Kashirin, E.
- Kiełbowicz, M.
- Kireyeu, V. A.
- Klochkov, V.
- Kolesnikov, V. I.
- Kolev, D.
- Korzenev, A.
- Kovalenko, V. N.
- Kowalski, S.
- Koziel, M.
- Kozłowski, B.
- Krasnoperov, A.
- Kucewicz, W.
- Kuich, M.
- Kurepin, A.
- Larsen, D.
- László, A.
- Lazareva, T. V.
- Lewicki, M.
- Łojek, K.
- Lyubushkin, V. V.
- Maćkowiak-Pawłowska, M.
- Majka, Z.
- Maksiak, B.
- Malakhov, A. I.
- Marcinek, A.
- Marino, A. D.
- Marton, K.
- Mathes, H.-J.
- Matulewicz, T.
- Matveev, V.
- Melkumov, G. L.
- Merzlaya, A. O.
- Messerly, B.
- Mik, Ł.
- Morozov, S.
- Nagai, Y.
- Naskrȩt, M.
- Ozvenchuk, V.
- Paolone, V.
- Pavin, M.
- Petukhov, O.
- Płaneta, R.
- Podlaski, P.
- Popov, B. A.
- Porfy, B.
- Posiadała-Zezula, M.
- Prokhorova, D. S.
- Pszczel, D.
- Puławski, S.
- Puzović, J.
- Ravonel, M.
- Renfordt, R.
- Röhrich, D.
- Rondio, E.
- Roth, M.
- Rumberger, B. T.
- Rumyantsev, M.
- Rustamov, A.
- Rybczynski, M.
- Rybicki, A.
- Sadhu, S.
- Sadovsky, A.
- Schmidt, K.
- Selyuzhenkov, I.
- Seryakov, A. Y.
- Seyboth, P.
- Słodkowski, M.
- Staszel, P.
- Stefanek, G.
- Stepaniak, J.
- Strikhanov, M.
- Ströbele, H.
- Šuša, T.
- Taranenko, A.
- Tefelska, A.
- Tefelski, D.
- Tereshchenko, V.
- Toia, A.
- Tsenov, R.
- Turko, L.
- Ulrich, R.
- Unger, M.
- Uzhva, D.
- Valiev, F. F.
- Veberič, D.
- Vechernin, V. V.
- Wickremasinghe, A.
- Wojcik, K.
- Wyszyński, O.
- Zaitsev, A.
- Zimmerman, E. D.
- Zwaska, R.
DOIAbstract
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. The employed method for direct production cross-section estimation minimizes model corrections for elastic and quasi-elastic interactions. The obtained production cross section is σ$_{prod}$ = 227.6 ± 0.8(stat)$\frac{+1.9}{−3.2}$(sys) − 0.8(mod) mb. It is in agreement with previous NA61/SHINE results obtained with a thin carbon target, while providing improved precision with a total fractional uncertainty of less than 2%. This direct measurement is performed to reduce the uncertainty on the T2K neutrino fl...
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