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arxiv: 2410.23098 · v2 · pith:QSOH26LGnew · submitted 2024-10-30 · ✦ hep-ex

Measurements of hadron production in 90 GeV/c proton-carbon interactions

H. Adhikary , P. Adrich , K.K. Allison , N. Amin , E.V. Andronov , I.-C. Arsene , M. Bajda , Y. Balkova
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D. Battaglia A. Bazgir S. Bhosale M. Bielewicz A. Blondel M. Bogomilov Y. Bondar W. Bryli\'nski J. Brzychczyk M. Buryakov A.F. Camino Y. Chandak M. \'Cirkovi\'c M. Csan\'ad J. Cybowska T. Czopowicz C. Dalmazzone N. Davis A. Dmitriev P. von Doetinchem W. Dominik J. Dumarchez R. Engel G.A. Feofilov L. Fields Z. Fodor M. Friend M. Ga\'zdzicki K.E. Gollwitzer O. Golosov V. Golovatyuk M. Golubeva K. Grebieszkow F. Guber P.G. Hurh S. Ilieva A. Ivashkin A. Izvestnyy N. Karpushkin M. Kie{\l}bowicz V.A. Kireyeu R. Kolesnikov D. Kolev Y. Koshio S. Kowalski B. Koz{\l}owski A. Krasnoperov W. Kucewicz M. Kuchowicz M. Kuich A. Kurepin A. L\'aszl\'o M. Lewicki G. Lykasov V.V. Lyubushkin M. Ma\'ckowiak-Paw{\l}owska A. Makhnev B. Maksiak A.I. Malakhov A. Marcinek A.D. Marino H.-J. Mathes T. Matulewicz V. Matveev G.L. Melkumov A. Merzlaya {\L}. Mik S. Morozov Y. Nagai T. Nakadaira M. Naskr\k{e}t S. Nishimori A. Olivier V. Ozvenchuk O. Panova V. Paolone O. Petukhov I. Pidhurskyi R. P{\l}aneta P. Podlaski B.A. Popov B. P\'orfy D.S. Prokhorova D. Pszczel S. Pu{\l}awski R. Renfordt L. Ren V.Z. Reyna Ortiz D. R\"ohrich E. Rondio M. Roth {\L}. Rozp{\l}ochowski B.T. Rumberger M. Rumyantsev A. Rustamov M. Rybczynski A. Rybicki D. Rybka K. Sakashita K. Schmidt A. Seryakov P. Seyboth U.A. Shah Y. Shiraishi A. Shukla M. S{\l}odkowski P. Staszel G. Stefanek J. Stepaniak {\L}. \'Swiderski J. Szewi\'nski R. Szukiewicz A. Taranenko A. Tefelska D. Tefelski V. Tereshchenko R. Tsenov L. Turko T.S. Tveter M. Unger M. Urbaniak D. Veberi\v{c} O. Vitiuk V. Volkov A. Wickremasinghe K. Witek K. W\'ojcik O. Wyszy\'nski A. Zaitsev E. Zherebtsova E.D. Zimmerman A. Zviagina
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keywords hadronschargedinteractionslambdamultiplicityneutralneutrinoparticle
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This paper presents the multiplicity of neutral and charged hadrons produced in 90 GeV$/c$ proton-carbon interactions from a dataset taken by the NA61/SHINE experiment in 2017. Particle identification via dE/dx was performed for the charged hadrons $\pi^\pm$, $K^\pm$, and $p / \bar{p}$; the neutral hadrons $K^0_S$, $\Lambda$, and $\bar{\Lambda}$ were identified via an invariant mass analysis of their decays to charged hadrons. Double-differential multiplicity results as a function of laboratory momentum and polar angle are presented for each particle species; these results provide vital constraints on the predicted neutrino beam flux for current and future long-baseline neutrino oscillation experiments.

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