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◆ The European Physical Journal C2025-11-01· Collider

Charged-hadron identification at Belle II

I. Adachi, H. Ahmed, Y. H. Ahn, H. Aihara, Н. Акопов, A. Albert, S. A. Al‐Ghamdi, M. Alhakami, A. Aloisio, N. Althubiti, K. R. Amos, M. Angelsmark, N. Anh Ky, C. Antonioli, D. M. Asner, H. Atmacan, T. Aushev, V. Aushev, M. Aversano, R. Ayad, V. Babu, H. Bae, N. K. Baghel, S. Bahinipati, P. Bambade, S. Banerjee, M. Barrett, M. Bartl, J. Baudot, A. Baur, A. Beaubien, F. Becherer, Jürgen Becker, J. V. Bennett, F. U. Bernlochner, V. Bertacchi, M. Bertemes, E. Bertholet, M. Bessner, S. Bettarini, B. Bhuyan, F. Bianchi, T. Bilka, D. Biswas, A. Bobrov, D. Bodrov, A. Bondar, G. Bonvicini, J. Borah, A. Boschetti, A. Bożek, M. Bračko, P. Branchini, R. A. Briere, T. E. Browder, A. Budano, S. Bussino, Q. Campagna, M. Campajola, L. Cao, G. Casarosa, C. Cecchi, M.-C. Chang, P. Cheema, L. Chen, Y.-T. Chen, B. G. Cheon, K. Chilikin, J. Chin, K. Chirapatpimol, H.-E. Cho, K. Cho, S.-J. Cho, S.-K. Choi, S. Choudhury, J. Cochran, I. Consigny, L. Corona, J. X. Cui, S. Das, E. De La Cruz–Burelo, S. A. De La Motte, G. De Pietro, R. de Sangro, M. Destefanis, S. Dey, A. Di Canto, J. Dingfelder, Z. Doležal, I. Domínguez Jiménez, T. V. Dong, M. Dorigo, G. Dujany, P. Ecker, J. Eppelt, R. Farkas, P. Feichtinger, T. Ferber, T. Fillinger, C. Finck

原始摘要(英文原文)· Original abstract
Abstract The Belle II experiment’s ability to identify particles critically affects the sensitivity of its measurements. We describe Belle II’s algorithms for identifying charged particles and evaluate their performance in separating pions, kaons, and protons using $$426\,\text {fb}^{-1}$$ 426 fb - 1 of data collected at the energy-asymmetric $${\varvec{e}}^+{\varvec{e}}^-$$ e + e - collider SuperKEKB in 2019–2022 at center-of-mass energies at and near the mass of the $$\Upsilon $$ Υ (4S).
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