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Precise Measurement of the Ds plus Lifetime at Belle IIopen access

Authors
Adachi, I.Aggarwal, L.Aihara, H.Akopov, N.Aloisio, A.Ky, N. AnhAsner, D. M.Atmacan, H.Aushev, T.Aushev, V.Aversano, M.Babu, V.Bae, H.Bahinipati, S.Bambade, P.Banerjee, Sw.Barrett, M.Baudot, J.Bauer, M.Baur, A.Beaubien, A.Becker, J.Behera, P. K.Bennett, J. V.Bernlochner, F. U.Bertacchi, V.Bertemes, M.Bertholet, E.Bessner, M.Bettarini, S.Bhuyan, B.Bianchi, F.Bilka, T.Biswas, D.Bodrov, D.Bondar, A.Bozek, A.Bracko, M.Branchini, P.Briere, R. A.Browder, T. E.Budano, A.Bussino, S.Campajola, M.Cao, L.Casarosa, G.Cecchi, C.Cerasoli, J.Chang, M. -C.Chang, P.Cheema, P.Chekelian, V.Cheon, B. G.Chilikin, K.Chirapatpimol, K.Cho, H. -E.Cho, K.Choi, S. -K.Choudhury, S.Cochran, J.Corona, L.Das, S.Dattola, F.De La Motte, S. A.de Marino, G.De Nardo, G.De Nuccio, M.De Pietro, G.de Sangro, R.Destefanis, M.Dey, S.Dhamija, R.Di Canto, A.Di Capua, F.Dingfelder, J.Dolezal, Z.Jimenez, I. DominguezDong, T. V.Dorigo, M.Dort, K.Dreyer, S.Dubey, S.Dujany, G.Ecker, P.Epifanov, D.Feichtinger, P.Ferlewicz, D.Finck, C.Finocchiaro, G.Fodor, A.Forti, F.Frey, A.Fulsom, B. G.Gabrielli, A.Ganiev, E.Garcia-Hernandez, M.Garmash, A.Gaudino, G.Gaur, V.Gaz, A.Gellrich, A.Ghevondyan, G.Ghosh, D.Ghumaryan, H.Giakoustidis, G.Giordano, R.Giri, A.Glazov, A.Gobbo, B.Godang, R.Gogota, O.Goldenzweig, P.Gradl, W.Graziani, E.Greenwald, D.Gruberova, Z.Gu, T.Guan, Y.Gudkova, K.Han, Y.Hayasaka, K.Hayashii, H.Hazra, S.Hearty, C.de la Cruz, I. HerediaHershenhorn, A.Higuchi, T.Hill, E. C.Hoek, M.Hohmann, M.Hsu, C. -L.Humair, T.Iijima, T.Inami, K.Ipsita, N.Ishikawa, A.Ito, S.Itoh, R.Iwasaki, M.Jackson, P.Jacobs, W. W.Jaffe, D. E.Jang, E. -J.Ji, Q. P.Jia, S.Jin, Y.Junkerkalefeld, H.Kaliyar, A. B.Kandra, J.Karyan, G.Kawasaki, T.Keil, F.Ketter, C.Kiesling, C.Kim, C. -H.Kim, D. Y.Kim, K. -H.Kim, Y. -K.Kindo, H.Kinoshita, K.Kodys, P.Koga, T.Kohani, S.Kojima, K.Korobov, A.Korpar, S.Kowalewski, R.Kraetzschmar, T. M. G.Krizan, P.Krokovny, P.Kuhr, T.Kumar, J.Kumar, M.Kumar, R.Kumara, K.Kuzmin, A.Kwon, Y. -J.Lacaprara, S.Lai, Y. -T.Lam, T.Lange, J. S.Laurenza, M.Leboucher, R.Le Diberder, F. R.Leitl, P.Levit, D.Lewis, P. M.Li, L. K.Libby, J.Liu, Q. Y.Liu, Z. Q.Liventsev, D.Longo, S.Lueck, T.Lyu, C.Ma, Y.Maggiora, M.Maharana, S. P.Maiti, R.Maity, S.Manfredi, R.Manoni, E.Mantovano, M.Marcantonio, D.Marcello, S.Marinas, C.Martellini, C.Martini, A.Martinov, T.Massaccesi, L.Masuda, M.Matsuda, T.Matsuoka, K.Matvienko, D.Maurya, S. K.McKenna, J. A.Mehta, R.Meier, F.Merola, M.Metzner, F.Milesi, M.Miller, C.Mirra, M.Miyabayashi, K.Mohanty, G. B.Molina-Gonzalez, N.Mondal, S.Moneta, S.Moser, H. -G.Mrvar, M.Mussa, R.Nakamura, I.Nakazawa, Y.Charan, A. NarimaniNaruki, M.Natkaniec, Z.Natochii, A.Nayak, L.Nazaryan, G.Nisar, N. K.Nishida, S.Ono, H.Otani, F.Oxford, E. R.Pakhlov, P.Pakhlova, G.Paladino, A.Panta, A.Paoloni, E.Pardi, S.Passeri, A.Patra, S.Paul, S.Pedlar, T. K.Peruzzi, I.Peschke, R.Pestotnik, R.Pham, F.Piccolo, M.Piilonen, L. E.Podobnik, T.Pokharel, S.Praz, C.Prell, S.Prencipe, E.Prim, M. T.Purwar, H.Rados, P.Raeuber, G.Raiz, S.Reif, M.Reiter, S.Remnev, M.Ripp-Baudot, I.Rizzo, G.Roney, J. M.Rostomyan, A.Rout, N.Russo, G.Sandilya, S.Sangal, A.Santelj, L.Sato, Y.Savinov, V.Scavino, B.Schmitt, C.Schwanda, C.Schwartz, A. J.Seino, Y.Selce, A.Senyo, K.Serrano, J.Sevior, M. E.Sfienti, C.Shan, W.Shi, X. D.Shillington, T.Shiu, J. -G.Shtol, D.Sibidanov, A.Simon, F.Sobie, R. J.Sobotzik, M.Soffer, A.Sokolov, A.Solovieva, E.Spataro, S.Spruck, B.Staric, M.Stavroulakis, P.Stottler, Z. S.Stroili, R.Sumihama, M.Svidras, H.Takahashi, M.Takizawa, M.Tamponi, U.Tanida, K.Tenchini, F.Tittel, O.Tonelli, D.Torassa, E.Trabelsi, K.Tsaklidis, I.Unger, K.Unno, Y.Uno, K.Uno, S.Urquijo, P.Ushiroda, Y.Vahsen, S. E.van Tonder, R.Varvell, K. E.Veronesi, M.Vismaya, V. S.Vitale, L.Volpe, R.Wach, B.Wallner, S.Wang, E.Wang, M. -Z.Wang, X. L.Wang, Z.Warburton, A.Watanabe, M.Wessel, C.Won, E.Xu, X. P.Yabsley, B. D.Yamada, S.Yan, W.Yang, S. B.Yoshihara, K.Yuan, C. Z.Yusa, Y.Zhang, Y.Zhilich, V.Zhou, J. S.Zhou, Q. D.Zhukova, V. I.Zlebcik, R.Belle II Collaboration
Issue Date
Oct-2023
Publisher
AMER PHYSICAL SOC
Citation
PHYSICAL REVIEW LETTERS, v.131, no.17
Journal Title
PHYSICAL REVIEW LETTERS
Volume
131
Number
17
URI
https://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/49510
DOI
10.1103/PhysRevLett.131.171803
ISSN
0031-9007
1079-7114
Abstract
We measure the lifetime of the D-s(+) meson using a data sample of 207 fb(-1) collected by the Belle II experiment running at the SuperKEKB asymmetric-energy e(+)e(- )collider. The lifetime is determined by fitting the decay-time distribution of a sample of 116x10(3) D-s(+)->phi pi+ decays. Our result is tau(+)(Ds)=(499.5 +/- 1.7 +/- 0.9) fs, where the first uncertainty is statistical and the second is systematic. This result is significantly more precise than previous measurements.
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