$ k^0 _ {\ textrm {s}} $，$λ$和$ \barλ$生产的测量值

论文标题

$ k^0 _ {\ textrm {s}} $，$λ$和$ \barλ$生产的测量值

Measurements of $K^0_{\textrm{S}}$, $Λ$ and $\barΛ$ production in 120 GeV/$c$ p + C interactions

论文作者

SHINE Collaboration, Adhikary, H., Allison, K. K., Amin, N., Andronov, E. V., Antićić, T., Arsene, I. -C., Balkova, Y., Baszczyk, M., Battaglia, D., Bhosale, S., Blondel, A., Bogomilov, M., Bondar, Y., Bostan, N., Brandin, A., Bravar, A., Bryliński, W., Brzychczyk, J., Buryakov, M., Ćirković, M., Csanad, M., Cybowska, J., Czopowicz, T., Damyanova, A., Davis, N., Dembinski, H., Dmitriev, A., Dominik, W., Dorosz, P., Dumarchez, J., Engel, R., Feofilov, G. A., Fields, L., Fodor, Z., Friend, M., Garibov, A., Gaździcki, M., Golosov, O., Golovatyuk, V., Golubeva, M., Grebieszkow, K., Guber, F., Haesler, A., Haug, M., Igolkin, S. N., Ilieva, S., Ivashkin, A., Izvestnyy, A., Johnson, S. R., Kadija, K., Kargin, N., Karpushkin, N., Kashirin, E., Kiełbowicz, M., Kireyeu, V. A., Kitagawa, H., Kolesnikov, R., Kolev, D., Korzenev, A., Koshio, Y., Kovalenko, V. N., Kowalski, S., Kozłowski, B., Krasnoperov, A., Kucewicz, W., Kuchowicz, M., Kuich, M., Kurepin, A., László, A., Lewicki, M., Lykasov, G., Lyubushkin, V. V., Maćkowiak-Pawłowska, M., Mariş, I. C., Majka, Z., Makhnev, A., Maksiak, B., Malakhov, A. I., Marcinek, A., Marino, A. D., Marton, K., Mathes, H. -J., Matulewicz, T., Matveev, V., Melkumov, G. L., Merzlaya, A., Messerly, B., Mik, Ł., Morawiec, A., Morozov, S., Nagai, Y., Nakadaira, T., Naskręt, M., Nishimori, S., Ozvenchuk, V., Panova, O., Paolone, V., Petukhov, O., Pidhurskyi, I., Płaneta, R., Podlaski, P., Popov, B. A., Porfy, B., Posiadała-Zezula, M., Prado, R. R., Prokhorova, D. S., Pszczel, D., Puławski, S., Puzović, J., Ravonel, M., Renfordt, R., Röhrich, D., Rondio, E., Roth, M., Rozpłochowski, Ł., Rumberger, B. T., Rumyantsev, M., Ruprecht, M., Rustamov, A., Rybczynski, M., Rybicki, A., Sakashita, K., Schmidt, K., Seryakov, A. Yu., Seyboth, P., Shiraishi, Y., Słodkowski, M., Staszel, P., Stefanek, G., Stepaniak, J., Strikhanov, M., Ströbele, H., Šuša, T., Szuba, M., Szukiewicz, R., Taranenko, A., Tefelska, A., Tefelski, D., Tereshchenko, V., Toia, A., Tsenov, R., Turko, L., Tveter, T. S., Ulrich, R., Unger, M., Urbaniak, M., Valiev, F. F., Veberič, D., Vechernin, V. V., Volkov, V., Wickremasinghe, A., Wójcik, K., Wyszyński, O., Zaitsev, A., Zimmerman, E. D., Zviagina, A., Zwaska, R.

论文摘要

本文介绍了$ k^0 _ {\ textrm {s}} $，$λ$和$ \barλ$的多重度测量值，以120 GEV/$ C $ proton-Carbon的交互产生。使用在两个不同时期的Na61/Shine实验中收集的数据进行测量。这些中性哈子的衰变影响了测量的$π^+$，$π^ - $，$ p $和$ \ bar {p} $多重性，在120 GEV/$ C $ proton-Carbon反应中，这对于长基线中性束的长基线中午实验预测了中性中性束通量的重要输入。此处介绍的双分化多重性将用于在此反应中更精确地测量带电的 - 戴隆的多重性，并在中微子束Monte Carlo模拟中重新体重中性强生产生。

This paper presents multiplicity measurements of $K^0_{\textrm{S}}$, $Λ$, and $\barΛ$ 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 $π^+$, $π^-$, $p$ 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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