Evidence for B_s^0 -> Lambda_c^+ Lambda-bar pi^-
High Energy Physics - Experiment
2013-10-21 v3
Abstract
Using 121.4 fb^{-1} of data collected with the Belle detector at the Y(5S) resonance at the KEKB asymmetric-energy e^+e^- collider, we report evidence for the B_s^0 -> Lambda_c^+ Lambda-bar pi^- decay mode with a measured branching fraction (3.6 +- 1.1[stat.] {+0.3 -0.5}[syst.] +- 0.9[Lambda_c^+] +- 0.7[N_{Bs}]) * 10^{-4} and a significance of 4.4 standard deviations. This is the first evidence for a baryonic B_s^0 decay.
Cite
@article{arxiv.1304.6931,
title = {Evidence for B_s^0 -> Lambda_c^+ Lambda-bar pi^-},
author = {Belle Collaboration and E. Solovieva and R. Chistov and I. Adachi and D. M. Asner and T. Aushev and A. M. Bakich and A. Bala and V. Bhardwaj and B. Bhuyan and M. Bischofberger and A. Bondar and G. Bonvicini and A. Bozek and M. Bračko and T. E. Browder and V. Chekelian and A. Chen and B. G. Cheon and K. Chilikin and K. Cho and V. Chobanova and Y. Choi and D. Cinabro and J. Dalseno and M. Danilov and Z. Doležal and Z. Drásal and A. Drutskoy and D. Dutta and S. Eidelman and D. Epifanov and H. Farhat and J. E. Fast and T. Ferber and V. Gaur and S. Ganguly and R. Gillard and Y. M. Goh and B. Golob and J. Haba and Y. Hoshi and W. -S. Hou and Y. B. Hsiung and M. Huschle and H. J. Hyun and T. Iijima and A. Ishikawa and R. Itoh and Y. Iwasaki and T. Julius and D. H. Kah and J. H. Kang and T. Kawasaki and C. Kiesling and D. Y. Kim and H. O. Kim and J. B. Kim and K. T. Kim and M. J. Kim and Y. J. Kim and K. Kinoshita and J. Klucar and B. R. Ko and P. Kodyš and S. Korpar and R. T. Kouzes and P. Križan and P. Krokovny and T. Kuhr and R. Kumar and T. Kumita and A. Kuzmin and Y. -J. Kwon and J. S. Lange and S. -H. Lee and J. Li and Y. Li and D. Liventsev and P. Lukin and D. Matvienko and H. Miyata and R. Mizuk and G. B. Mohanty and R. Mussa and E. Nakano and M. Nakao and E. Nedelkovska and N. K. Nisar and S. Nishida and O. Nitoh and S. Ogawa and S. Okuno and S. L. Olsen and P. Pakhlov and G. Pakhlova and H. Park and H. K. Park and T. K. Pedlar and R. Pestotnik and M. Petrič and L. E. Piilonen and K. Prothmann and M. Ritter and M. Röhrken and A. Rostomyan and S. Ryu and H. Sahoo and T. Saito and Y. Sakai and S. Sandilya and D. Santel and L. Santelj and T. Sanuki and V. Savinov and O. Schneider and G. Schnell and C. Schwanda and K. Senyo and M. E. Sevior and M. Shapkin and C. P. Shen and T. -A. Shibata and J. -G. Shiu and B. Shwartz and A. Sibidanov and J. B. Singh and P. Smerkol and Y. -S. Sohn and A. Sokolov and S. Stanič and M. Starič and M. Sumihama and U. Tamponi and S. Tanaka and K. Tanida and G. Tatishvili and Y. Teramoto and I. Tikhomirov and T. Tsuboyama and M. Uchida and S. Uehara and T. Uglov and Y. Unno and S. Uno and P. Urquijo and Y. Usov and C. Van Hulse and G. Varner and K. E. Varvell and A. Vinokurova and M. N. Wagner and C. H. Wang and M. -Z. Wang and P. Wang and M. Watanabe and Y. Watanabe and K. M. Williams and E. Won and B. D. Yabsley and Y. Yamashita and S. Yashchenko and Y. Yook and Z. P. Zhang and V. Zhilich and A. Zupanc},
journal= {arXiv preprint arXiv:1304.6931},
year = {2013}
}
Comments
10 pages, 9 figures