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arxiv: 2211.00183 · v2 · pith:JOFD2SSRnew · submitted 2022-10-31 · ✦ hep-ex · nucl-ex

Measurements of K⁰_{textrm{S}}, Λ and bar{Λ} production in 120 GeV/c p + C interactions

NA61/SHINE Collaboration: H. Adhikary , K.K. Allison , N. Amin , E.V. Andronov , T. Anti\'ci\'c , I.-C. Arsene , Y. Balkova , M. Baszczyk
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D. Battaglia S. Bhosale A. Blondel M. Bogomilov Y. Bondar N. Bostan A. Brandin A. Bravar W. Bryli\'nski J. Brzychczyk M. Buryakov M. \'Cirkovi\'c M. Csanad J. Cybowska T. Czopowicz A. Damyanova N. Davis H. Dembinski A. Dmitriev W. Dominik P. Dorosz J. Dumarchez R. Engel G.A. Feofilov L. Fields Z. Fodor M. Friend A. Garibov M. Ga\'zdzicki O. Golosov V. Golovatyuk M. Golubeva K. Grebieszkow F. Guber A. Haesler M. Haug S.N. Igolkin S. Ilieva A. Ivashkin A. Izvestnyy S.R. Johnson K. Kadija N. Kargin N. Karpushkin E. Kashirin M. Kie{\l}bowicz V.A. Kireyeu H. Kitagawa R. Kolesnikov D. Kolev A. Korzenev Y. Koshio V.N. Kovalenko 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 I.C. Mari\c{s} Z. Majka A. Makhnev B. Maksiak A.I. Malakhov A. Marcinek A.D. Marino K. Marton H.-J. Mathes T. Matulewicz V. Matveev G.L. Melkumov A. Merzlaya B. Messerly {\L}. Mik A. Morawiec S. Morozov Y. Nagai T. Nakadaira M. Naskr\k{e}t S. Nishimori V. Ozvenchuk O. Panova V. Paolone O. Petukhov I. Pidhurskyi R. P{\l}aneta P. Podlaski B.A. Popov B. Porfy M. Posiada{\l}a-Zezula R.R. Prado D.S. Prokhorova D. Pszczel S. Pu{\l}awski J. Puzovi\'c M. Ravonel R. Renfordt D. R\"ohrich E. Rondio M. Roth {\L}. Rozp{\l}ochowski B.T. Rumberger M. Rumyantsev M. Ruprecht A. Rustamov M. Rybczynski A. Rybicki K. Sakashita K. Schmidt A.Yu. Seryakov P. Seyboth Y. Shiraishi M. S{\l}odkowski P. Staszel G. Stefanek J. Stepaniak M. Strikhanov H. Str\"obele T. \v{S}u\v{s}a M. Szuba R. Szukiewicz A. Taranenko A. Tefelska D. Tefelski V. Tereshchenko A. Toia R. Tsenov L. Turko T.S. Tveter R. Ulrich M. Unger M. Urbaniak F.F. Valiev D. Veberi\v{c} V.V. Vechernin V. Volkov A. Wickremasinghe K. W\'ojcik O. Wyszy\'nski A. Zaitsev E.D. Zimmerman A. Zviagina R. Zwaska
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classification ✦ hep-ex nucl-ex
keywords lambdameasurementsmultiplicitiesneutrinobeamexperimentinteractionsneutral
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This paper presents multiplicity measurements of $K^0_{\textrm{S}}$, $\Lambda$, and $\bar{\Lambda}$ produced in 120 GeV/$c$ proton-carbon interactions. The measurements were made using data collected at the NA61/SHINE experiment during two different periods. Decays of these neutral hadrons impact the measured $\pi^+$, $\pi^-$, $p$ and $\bar{p}$ multiplicities in the 120 GeV/$c$ proton-carbon reaction, which are crucial inputs for long-baseline neutrino experiment predictions of neutrino beam flux. The double-differential multiplicities presented here will be used to more precisely measure charged-hadron multiplicities in this reaction, and to re-weight neutral hadron production in neutrino beam Monte Carlo simulations.

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