Journal article

Measurement of masses of the Ξc(2645) and Ξc(2815) baryons and observation of Ξc(2980)→Ξc(2645)π


Authors listLesiak, T.; Adachi, I.; Aihara, H.; Arinstein, K.; Bakich, A. M.; Balagura, V.; Barberio, E.; Bedny, I.; Belous, K.; Bhardwaj, V.; Bitenc, U.; Blyth, S.; Bozek, A.; Bracko, M.; Brodzicka, J.; Browder, T. E.; Chao, Y.; Chen, A.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Cho, I. -S.; Choi, S. -K.; Choi, Y.; Dalseno, J.; Dash, M.; Eidelman, S.; Gabyshev, N.; Golob, B.; Ha, H.; Haba, J.; Hayasaka, K.; Hazumi, M.; Heffernan, D.; Hoshi, Y.; Hou, W. -S.; Hyun, H. J.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Joshi, N. J.; Kah, D. H.; Kaji, H.; Kang, J. H.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kim, H. J.; Kim, S. K.; Kim, Y. J.; Korpar, S.; Krizan, P.; Krokovny, P.; Kuo, C. C.; Kwon, Y. -J.; Lange, S.; Lee, J. S.; Lee, M. J.; Lee, S. E.; Li, J.; Lin, S. -W.; Liu, C.; Liventsev, D.; Mandl, F.; McOnie, S.; Medvedeva, T.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Moloney, G. R.; Nagasaka, Y.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okuno, S.; Ozaki, H.; Pakhlova, G.; Palka, H.; Park, C. W.; Park, H. K.; Peak, L. S.; Pestotnik, R.; Piilonen, L. E.; Sahoo, H.; Sakai, Y.; Schneider, O.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shibuya, H.; Shiu, J. -G.; Shwartz, B.; Sokolov, A.; Stanic, S.; Staric, M.; Sumiyoshi, T.; Takasaki, F.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tikhomirov, I.; Trabelsi, K.; Tsuboyama, T.; Uehara, S.; Ueno, K.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Varner, G.; Varvell, K. E.; Vervink, K.; Wang, C. C.; Wang, C. H.; Wang, M. -Z.; Wang, P.; Wang, X. L.; Watanabe, Y.; Wedd, R.; Won, E.; Yabsley, B. D.; Yamamoto, H.; Yamashita, Y.; Yamauchi, M.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.; Zyukova, O.

Publication year2008

Pages9-15

JournalPhysics Letters B

Volume number665

Issue number1

ISSN0370-2693

eISSN1873-2445

DOI Linkhttps://doi.org/10.1016/j.physletb.2008.05.055

PublisherElsevier


Abstract
We report a precise measurement of the masses of the Xi(c)(2645) and Xi(c)(2815) baryons using a data sample of 414 fb(-1) collected by the Belle Collaboration at the KEKB e(+)e(-) collider. The states Xi(c)(2645)(0,+) are observed in the Xi(+.0)(c)pi(-.+) decay modes, while the Xi(c)(2815)(0.+) are reconstructed in the Xi(c)(2645)(+.0)pi(-.+) decay modes. The following mass splittings are determined: m(Xi c(2645)+) - m(Xi c(2645)0) = (-0.1 +/- 0.3(stat) +/- 0.6(syst)) MeV/c(2) and m(Xi c(2815)+) - m(Xi c(2815)0) (-3.4 +/- 1.9(stat) +/- 0.9(syst)) MeV/c(2) with a much better precision than the current world averages. We also observe a new decay mode, Xi(c)(2980)(0.+) -> Xi(c)(2645)(+.0)pi(-.+). (C) 2008 Elsevier B.V. All rights reserved.



Citation Styles

Harvard Citation styleLesiak, T., Adachi, I., Aihara, H., Arinstein, K., Bakich, A., Balagura, V., et al. (2008) Measurement of masses of the Ξc(2645) and Ξc(2815) baryons and observation of Ξc(2980)→Ξc(2645)π, Physics Letters B, 665(1), pp. 9-15. https://doi.org/10.1016/j.physletb.2008.05.055

APA Citation styleLesiak, T., Adachi, I., Aihara, H., Arinstein, K., Bakich, A., Balagura, V., Barberio, E., Bedny, I., Belous, K., Bhardwaj, V., Bitenc, U., Blyth, S., Bozek, A., Bracko, M., Brodzicka, J., Browder, T., Chao, Y., Chen, A., Chen, W., ...Zyukova, O. (2008). Measurement of masses of the Ξc(2645) and Ξc(2815) baryons and observation of Ξc(2980)→Ξc(2645)π. Physics Letters B. 665(1), 9-15. https://doi.org/10.1016/j.physletb.2008.05.055


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