Measurement of the Branching Fraction B(Λ+c→pK-π+)

Zupanc, A.; Bartel, Colin F.; Gabyshev, N.; Adachi, I.; Aihara, H.; Asner, David M.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Bala, Anu; Belous, K.; Bhuyan, Bipul; Bondar, A.; Bonvicini, Giovanni; Bozek, A.; Bracko, Marko; Browder, Thomas E.; Cervenkov, D.; Chang, M-C; Chekelian, V.; Cheon, B. G.; Chilikin, Kirill; Chistov, R.; Cho, I- S.; Cho, K.; Chobanova, V.; Choi, S-K.; Choi, Y.; Cinabro, David A.; Dalseno, J.; Danilov, M.; Dolezal, Z.; Drasal, Z.; Dutta, Deepanwita; Dutta, K.; Eidelman, S.; Epifanov, D.; Farhat, H.; Fast, James E.; Feindt, M.; Ferber, T.; Gaur, Vipin; Ganguly, Sudeshna; Garmash, A.; Gillard, R.; Glattaur, R.; Goh, Y. M.; Golob, B.; Haba, J.; Hayasaka, K.; Hayashii, H.; He, X. H.; Hoshi, Y.; Hou, W. S.; Huschle, Matthias J.; Hyun, H. J.; Iijima, T.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Iwashita, T.; Jaegle, Igal; Julius, T.; Kang, J. H.; Kato, E.; Kato, Y.; Kawasaki, T.; Kichimi, H.; Kim, D. Y.; Kim, H. J.; Kim, J. H.; Kim, M. J.; Kim, Y. J.; Kinoshita, Kay; Klucar, Jure; Ko, Byeong Rok; Kodys, P.; Korpar, S.; Krizan, P.; Krokovny, Pavel; Kronenbitter, B.; Kuhr, T.; Kumita, T.; Kuzmin, A.; Kwon, Y. J.; Lee, S. H.; Li, J.; Li, Y.; Libby, J.; Liu, C.; Liu, Z. Q.; Liventsev, D.; Macnaughton, Jimmy N.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Mussa, R.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nayak, Minakshi; Nedelkovska, E.; Niiyama, M.; Nisar, N. K.; Nishida, S.; Nitoh, O.; Ogawa, S.; Olsen, Stephen L.; Ostrowicz, W.; Pakhlov, P.; Pakhlova, Galina; Park, C. W.; Park, H.; Park, H. K.; Pedlar, Todd K.; Pestotnik, Rok; Petric, Marko; Piilonen, Leo E.; Ritter, M.; Rohrken, M.; Rostomyan, A.; Ryu, S.; Sahoo, Himansu B.; Saito, Tomoyuki; Sakai, Y.; Sandilya, Saurabh; Santelj, Luka; Sanuki, T.; Savinov, Vladimir; Schneider, O.; Schnell, G.; Schwanda, C.; Semmler, D.; Senyo, K.; Seon, O.; Sevior, Martin E.; Shapkin, M.; Shen, C. P.; Shibata, T. A.; Shiu, Jing-Ge; Shwartz, B.; Sibidanov, A.; Simon, F.; Sohn, Y. S.; Sokolov, Anatoly; Solovieva, E.; Stanic, S.; Staric, M.; Steder, M.; Sumiyoshi, T.; Tamponi, Umberto; Tanida, K.; Tatishvili, Gocha; Teramoto, Y.; Trabelsi, K.; Uchida, M.; Uehara, S.; Unno, Yuji; Uno, S.; Urquijo, P.; Usov, Y.; Van Hulse, C.; Vanhoefer, P.; Varner, Gary; Varvell, K. E.; Vinokurova, A.; Vorobyev, V.; Wagner, M. N.; Wang, C. H.; Wang, P.; Wang, X. L.; Watanabe, M.; Watanabe, Y.; Williams, K. M.; Won, E.; Yamamoto, H.; Yamashita, Y.; Yashchenko, S.; Yook, Youngmin; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.

doi:10.1103/PhysRevLett.113.042002

Title: Measurement of the Branching Fraction B(Λ⁺_c→pK^-π⁺)

Journal Article · Fri Jul 25 00:00:00 EDT 2014 · Physical Review Letters, 113(4):Article No. 042002

DOI:https://doi.org/10.1103/PhysRevLett.113.042002· OSTI ID:1171896

Zupanc, A.; Bartel, Colin F.; Gabyshev, N.; Adachi, I.; Aihara, H.; Asner, David M.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Bala, Anu; Belous, K.; Bhuyan, Bipul; Bondar, A.; Bonvicini, Giovanni; Bozek, A.; Bracko, Marko; Browder, Thomas E.; Cervenkov, D.; Chang, M-C; Chekelian, V. more »

We present the first model-independent measurement of the absolute branching fraction of the Λ⁺_c→pK^-π⁺ decay using a data sample of 978 fb^-1 collected with the Belle detector at the KEKB asymmetric-energy e⁺e^- collider. The number of Λ⁺_c baryons is determined by reconstructing the recoiling D(*)^-p¯π⁺ system in events of the type e⁺e^-→D(*)^-p¯π⁺Λ⁺_c. The branching fraction is measured to be B(Λ⁺_c→pK^-π⁺)=(6.84±0.24^+0.21_-0.27)%, where the first and second uncertainties are statistical and systematic, respectively.

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Research Organization:: Pacific Northwest National Lab. (PNNL), Richland, WA (United States)

Sponsoring Organization:: USDOE

DOE Contract Number:: AC05-76RL01830

OSTI ID:: 1171896

Report Number(s):: PNNL-SA-100469; KA2201020

Journal Information:: Physical Review Letters, 113(4):Article No. 042002, Journal Name: Physical Review Letters, 113(4):Article No. 042002

Country of Publication:: United States

Language:: English

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