Evidence for B-→τ-ν̄τ with a hadronic tagging method using the full data sample of belle

K. Hara; Y. Horii; T. Iijima; I. Adachi; H. Aihara; D. M. Asner; T. Aushev; T. Aziz; A. M. Bakich; M. Barrett; V. Bhardwaj; B. Bhuyan; A. Bondar; G. Bonvicini; A. Bozek; M. Bračko; T. E. Browder; V. Chekelian; A. Chen; P. Chen; B. G. Cheon; K. Chilikin; I. S. Cho; K. Cho; Y. Choi; D. Cinabro; J. Dalseno; J. Dingfelder; Z. Doležal; Z. Drásal; A. Drutskoy; D. Dutta; S. Eidelman; D. Epifanov; S. Esen; H. Farhat; A. Frey; V. Gaur; N. Gabyshev; S. Ganguly; R. Gillard; Y. M. Goh; B. Golob; J. Haba; T. Hara; K. Hayasaka; H. Hayashii; T. Higuchi; Y. Hoshi; K. Inami; A. Ishikawa; R. Itoh; Y. Iwasaki; T. Iwashita; T. Julius; J. H. Kang; T. Kawasaki; C. Kiesling; H. O. Kim; J. B. Kim; J. H. Kim; K. T. Kim; M. J. Kim; Y. J. Kim; K. Kinoshita; J. Klucar; B. R. Ko; P. Kodyš; S. Korpar; R. T. Kouzes; P. Križan; P. Krokovny; B. Kronenbitter; T. Kuhr; T. Kumita; A. Kuzmin; Y. J. Kwon; J. S. Lange; S. H. Lee; J. Li; Y. Li; J. Libby; C. Liu; Y. Liu; Z. Q. Liu; D. Liventsev; D. Matvienko; K. Miyabayashi; H. Miyata; R. Mizuk; G. B. Mohanty; A. Moll; T. Mori; N. Muramatsu; E. Nakano; M. Nakao; H. Nakazawa; Z. Natkaniec; M. Nayak; C. Ng; N. K. Nisar; S. Nishida; K. Nishimura; O. Nitoh; T. Nozaki; T. Ohshima; S. Okuno; S. L. Olsen; C. Oswald; H. Ozaki; P. Pakhlov; G. Pakhlova; C. W. Park; H. K. Park; T. K. Pedlar; R. Pestotnik; M. Petrič; L. E. Piilonen; M. Prim; M. Röhrken; S. Ryu; H. Sahoo; K. Sakai; Y. Sakai; S. Sandilya; D. Santel; T. Sanuki; Y. Sato; O. Schneider; G. Schnell; C. Schwanda; A. J. Schwartz; K. Senyo; O. Seon; M. E. Sevior; M. Shapkin; C. P. Shen; T. A. Shibata; J. G. Shiu; B. Shwartz; A. Sibidanov; F. Simon; P. Smerkol; Y. S. Sohn; A. Sokolov; E. Solovieva; M. Starič; M. Sumihama; T. Sumiyoshi; G. Tatishvili; Y. Teramoto; K. Trabelsi; T. Tsuboyama; M. Uchida; S. Uehara; Y. Unno; S. Uno; P. Urquijo; Y. Ushiroda; Y. Usov; C. Van Hulse; P. Vanhoefer; G. Varner; K. E. Varvell; V. Vorobyev; M. N. Wagner; C. H. Wang; M. Z. Wang; P. Wang; M. Watanabe; Y. Watanabe; K. M. Williams; E. Won; B. D. Yabsley; H. Yamamoto; Y. Yamashita; Y. Yusa; Z. P. Zhang; V. Zhilich; V. Zhulanov; A. Zupanc

doi:10.1103/PhysRevLett.110.131801

Evidence for B-→τ-ν_̄τ with a hadronic tagging method using the full data sample of belle

K. Hara, Y. Horii, T. Iijima, I. Adachi, H. Aihara, D. M. Asner, T. Aushev, T. Aziz, A. M. Bakich, M. Barrett, V. Bhardwaj, B. Bhuyan, A. Bondar, G. Bonvicini, A. Bozek, M. Bračko, T. E. Browder, V. Chekelian, A. Chen, P. ChenB. G. Cheon, K. Chilikin, I. S. Cho, K. Cho, Y. Choi, D. Cinabro, J. Dalseno, J. Dingfelder, Z. Doležal, Z. Drásal, A. Drutskoy, D. Dutta, S. Eidelman, D. Epifanov, S. Esen, H. Farhat, A. Frey, V. Gaur, N. Gabyshev, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, T. Higuchi, Y. Hoshi, K. Inami, A. Ishikawa, R. Itoh, Y. Iwasaki, T. Iwashita, T. Julius, J. H. Kang, T. Kawasaki, C. Kiesling, H. O. Kim, J. B. Kim, J. H. Kim, K. T. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, J. Klucar, B. R. Ko, P. Kodyš, S. Korpar, R. T. Kouzes, P. Križan, P. Krokovny, B. Kronenbitter, T. Kuhr, T. Kumita, A. Kuzmin, Y. J. Kwon, J. S. Lange, S. H. Lee, J. Li, Y. Li, J. Libby, C. Liu, Y. Liu, Z. Q. Liu, D. Liventsev, D. Matvienko, K. Miyabayashi, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, T. Mori, N. Muramatsu, E. Nakano, M. Nakao, H. Nakazawa, Z. Natkaniec, M. Nayak, C. Ng, N. K. Nisar, S. Nishida, K. Nishimura, O. Nitoh, T. Nozaki, T. Ohshima, S. Okuno, S. L. Olsen, C. Oswald, H. Ozaki, P. Pakhlov, G. Pakhlova, C. W. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Prim, M. Röhrken, S. Ryu, H. Sahoo, K. Sakai, Y. Sakai, S. Sandilya, D. Santel, T. Sanuki, Y. Sato, O. Schneider, G. Schnell, C. Schwanda, A. J. Schwartz, K. Senyo, O. Seon, M. E. Sevior, M. Shapkin, C. P. Shen, T. A. Shibata, J. G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, P. Smerkol, Y. S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Sumihama, T. Sumiyoshi, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, S. Uehara, Y. Unno, S. Uno, P. Urquijo, Y. Ushiroda, Y. Usov, C. Van Hulse, P. Vanhoefer, G. Varner, K. E. Varvell, V. Vorobyev, M. N. Wagner, C. H. Wang, M. Z. Wang, P. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, B. D. Yabsley, H. Yamamoto, Y. Yamashita, Y. Yusa, Z. P. Zhang, V. Zhilich, V. Zhulanov, A. Zupanc

Department of Physics

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103 Citations (Scopus)

Abstract

We measure the branching fraction of B^-→τ ^-ν_̄τ using the full Υ(4S) data sample containing 772×106 BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e⁺e^- collider. Events with BB̄ pairs are tagged by reconstructing one of the B mesons decaying into hadronic final states, and B^-→τ ^-ν_̄τ candidates are detected in the recoil. We find evidence for B^-→τ ^-ν_̄τ with a significance of 3.0 standard deviations including systematic errors and measure a branching fraction B(B ^-→τ^-ν_̄τ)=[0.72-0.25+0. 27(stat)±0.11(syst)]×10^-4.

Original language	English
Article number	131801
Journal	Physical review letters
Volume	110
Issue number	13
DOIs	https://doi.org/10.1103/PhysRevLett.110.131801
Publication status	Published - 2013 Mar 25

All Science Journal Classification (ASJC) codes

Physics and Astronomy(all)

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10.1103/PhysRevLett.110.131801

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Hara, K., Horii, Y., Iijima, T., Adachi, I., Aihara, H., Asner, D. M., Aushev, T., Aziz, T., Bakich, A. M., Barrett, M., Bhardwaj, V., Bhuyan, B., Bondar, A., Bonvicini, G., Bozek, A., Bračko, M., Browder, T. E., Chekelian, V., Chen, A., ... Zupanc, A. (2013). Evidence for B-→τ-ν_̄τ with a hadronic tagging method using the full data sample of belle. Physical review letters, 110(13), [131801]. https://doi.org/10.1103/PhysRevLett.110.131801

Hara, K. ; Horii, Y. ; Iijima, T. ; Adachi, I. ; Aihara, H. ; Asner, D. M. ; Aushev, T. ; Aziz, T. ; Bakich, A. M. ; Barrett, M. ; Bhardwaj, V. ; Bhuyan, B. ; Bondar, A. ; Bonvicini, G. ; Bozek, A. ; Bračko, M. ; Browder, T. E. ; Chekelian, V. ; Chen, A. ; Chen, P. ; Cheon, B. G. ; Chilikin, K. ; Cho, I. S. ; Cho, K. ; Choi, Y. ; Cinabro, D. ; Dalseno, J. ; Dingfelder, J. ; Doležal, Z. ; Drásal, Z. ; Drutskoy, A. ; Dutta, D. ; Eidelman, S. ; Epifanov, D. ; Esen, S. ; Farhat, H. ; Frey, A. ; Gaur, V. ; Gabyshev, N. ; Ganguly, S. ; Gillard, R. ; Goh, Y. M. ; Golob, B. ; Haba, J. ; Hara, T. ; Hayasaka, K. ; Hayashii, H. ; Higuchi, T. ; Hoshi, Y. ; Inami, K. ; Ishikawa, A. ; Itoh, R. ; Iwasaki, Y. ; Iwashita, T. ; Julius, T. ; Kang, J. H. ; Kawasaki, T. ; Kiesling, C. ; Kim, H. O. ; Kim, J. B. ; Kim, J. H. ; Kim, K. T. ; Kim, M. J. ; Kim, Y. J. ; Kinoshita, K. ; Klucar, J. ; Ko, B. R. ; Kodyš, P. ; Korpar, S. ; Kouzes, R. T. ; Križan, P. ; Krokovny, P. ; Kronenbitter, B. ; Kuhr, T. ; Kumita, T. ; Kuzmin, A. ; Kwon, Y. J. ; Lange, J. S. ; Lee, S. H. ; Li, J. ; Li, Y. ; Libby, J. ; Liu, C. ; Liu, Y. ; Liu, Z. Q. ; Liventsev, D. ; Matvienko, D. ; Miyabayashi, K. ; Miyata, H. ; Mizuk, R. ; Mohanty, G. B. ; Moll, A. ; Mori, T. ; Muramatsu, N. ; Nakano, E. ; Nakao, M. ; Nakazawa, H. ; Natkaniec, Z. ; Nayak, M. ; Ng, C. ; Nisar, N. K. ; Nishida, S. ; Nishimura, K. ; Nitoh, O. ; Nozaki, T. ; Ohshima, T. ; Okuno, S. ; Olsen, S. L. ; Oswald, C. ; Ozaki, H. ; Pakhlov, P. ; Pakhlova, G. ; Park, C. W. ; Park, H. K. ; Pedlar, T. K. ; Pestotnik, R. ; Petrič, M. ; Piilonen, L. E. ; Prim, M. ; Röhrken, M. ; Ryu, S. ; Sahoo, H. ; Sakai, K. ; Sakai, Y. ; Sandilya, S. ; Santel, D. ; Sanuki, T. ; Sato, Y. ; Schneider, O. ; Schnell, G. ; Schwanda, C. ; Schwartz, A. J. ; Senyo, K. ; Seon, O. ; Sevior, M. E. ; Shapkin, M. ; Shen, C. P. ; Shibata, T. A. ; Shiu, J. G. ; Shwartz, B. ; Sibidanov, A. ; Simon, F. ; Smerkol, P. ; Sohn, Y. S. ; Sokolov, A. ; Solovieva, E. ; Starič, M. ; Sumihama, M. ; Sumiyoshi, T. ; Tatishvili, G. ; Teramoto, Y. ; Trabelsi, K. ; Tsuboyama, T. ; Uchida, M. ; Uehara, S. ; Unno, Y. ; Uno, S. ; Urquijo, P. ; Ushiroda, Y. ; Usov, Y. ; Van Hulse, C. ; Vanhoefer, P. ; Varner, G. ; Varvell, K. E. ; Vorobyev, V. ; Wagner, M. N. ; Wang, C. H. ; Wang, M. Z. ; Wang, P. ; Watanabe, M. ; Watanabe, Y. ; Williams, K. M. ; Won, E. ; Yabsley, B. D. ; Yamamoto, H. ; Yamashita, Y. ; Yusa, Y. ; Zhang, Z. P. ; Zhilich, V. ; Zhulanov, V. ; Zupanc, A. / Evidence for B-→τ-ν_̄τ with a hadronic tagging method using the full data sample of belle. In: Physical review letters. 2013 ; Vol. 110, No. 13.

@article{41b3aeef622947c58faeac5ed115048e,

title = "Evidence for B-→τ-{\=ν}τ with a hadronic tagging method using the full data sample of belle",

abstract = "We measure the branching fraction of B-→τ -{\=ν}τ using the full Υ(4S) data sample containing 772×106 B{\=B} pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. Events with B{\=B} pairs are tagged by reconstructing one of the B mesons decaying into hadronic final states, and B-→τ -{\=ν}τ candidates are detected in the recoil. We find evidence for B-→τ -{\=ν}τ with a significance of 3.0 standard deviations including systematic errors and measure a branching fraction B(B -→τ-{\=ν}τ)=[0.72-0.25+0. 27(stat)±0.11(syst)]×10-4.",

author = "K. Hara and Y. Horii and T. Iijima and I. Adachi and H. Aihara and Asner, {D. M.} and T. Aushev and T. Aziz and Bakich, {A. M.} and M. Barrett and V. Bhardwaj and B. Bhuyan and A. Bondar and G. Bonvicini and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and V. Chekelian and A. Chen and P. Chen and Cheon, {B. G.} and K. Chilikin and Cho, {I. S.} and K. Cho and Y. Choi and D. Cinabro and J. Dalseno and J. Dingfelder and Z. Dole{\v z}al and Z. Dr{\'a}sal and A. Drutskoy and D. Dutta and S. Eidelman and D. Epifanov and S. Esen and H. Farhat and A. Frey and V. Gaur and N. Gabyshev and S. Ganguly and R. Gillard and Goh, {Y. M.} and B. Golob and J. Haba and T. Hara and K. Hayasaka and H. Hayashii and T. Higuchi and Y. Hoshi and K. Inami and A. Ishikawa and R. Itoh and Y. Iwasaki and T. Iwashita and T. Julius and Kang, {J. H.} and T. Kawasaki and C. Kiesling and Kim, {H. O.} and Kim, {J. B.} and Kim, {J. H.} and Kim, {K. T.} and Kim, {M. J.} and Kim, {Y. J.} and K. Kinoshita and J. Klucar and Ko, {B. R.} and P. Kody{\v s} and S. Korpar and Kouzes, {R. T.} and P. Kri{\v z}an and P. Krokovny and B. Kronenbitter and T. Kuhr and T. Kumita and A. Kuzmin and Kwon, {Y. J.} and Lange, {J. S.} and Lee, {S. H.} and J. Li and Y. Li and J. Libby and C. Liu and Y. Liu and Liu, {Z. Q.} and D. Liventsev and D. Matvienko and K. Miyabayashi and H. Miyata and R. Mizuk and Mohanty, {G. B.} and A. Moll and T. Mori and N. Muramatsu and E. Nakano and M. Nakao and H. Nakazawa and Z. Natkaniec and M. Nayak and C. Ng and Nisar, {N. K.} and S. Nishida and K. Nishimura and O. Nitoh and T. Nozaki and T. Ohshima and S. Okuno and Olsen, {S. L.} and C. Oswald and H. Ozaki and P. Pakhlov and G. Pakhlova and Park, {C. W.} and Park, {H. K.} and Pedlar, {T. K.} and R. Pestotnik and M. Petri{\v c} and Piilonen, {L. E.} and M. Prim and M. R{\"o}hrken and S. Ryu and H. Sahoo and K. Sakai and Y. Sakai and S. Sandilya and D. Santel and T. Sanuki and Y. Sato and O. Schneider and G. Schnell and C. Schwanda and Schwartz, {A. J.} and K. Senyo and O. Seon and Sevior, {M. E.} and M. Shapkin and Shen, {C. P.} and Shibata, {T. A.} and Shiu, {J. G.} and B. Shwartz and A. Sibidanov and F. Simon and P. Smerkol and Sohn, {Y. S.} and A. Sokolov and E. Solovieva and M. Stari{\v c} and M. Sumihama and T. Sumiyoshi and G. Tatishvili and Y. Teramoto and K. Trabelsi and T. Tsuboyama and M. Uchida and S. Uehara and Y. Unno and S. Uno and P. Urquijo and Y. Ushiroda and Y. Usov and {Van Hulse}, C. and P. Vanhoefer and G. Varner and Varvell, {K. E.} and V. Vorobyev and Wagner, {M. N.} and Wang, {C. H.} and Wang, {M. Z.} and P. Wang and M. Watanabe and Y. Watanabe and Williams, {K. M.} and E. Won and Yabsley, {B. D.} and H. Yamamoto and Y. Yamashita and Y. Yusa and Zhang, {Z. P.} and V. Zhilich and V. Zhulanov and A. Zupanc",

year = "2013",

month = mar,

day = "25",

doi = "10.1103/PhysRevLett.110.131801",

language = "English",

volume = "110",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "13",

}

Hara, K, Horii, Y, Iijima, T, Adachi, I, Aihara, H, Asner, DM, Aushev, T, Aziz, T, Bakich, AM, Barrett, M, Bhardwaj, V, Bhuyan, B, Bondar, A, Bonvicini, G, Bozek, A, Bračko, M, Browder, TE, Chekelian, V, Chen, A, Chen, P, Cheon, BG, Chilikin, K, Cho, IS, Cho, K, Choi, Y, Cinabro, D, Dalseno, J, Dingfelder, J, Doležal, Z, Drásal, Z, Drutskoy, A, Dutta, D, Eidelman, S, Epifanov, D, Esen, S, Farhat, H, Frey, A, Gaur, V, Gabyshev, N, Ganguly, S, Gillard, R, Goh, YM, Golob, B, Haba, J, Hara, T, Hayasaka, K, Hayashii, H, Higuchi, T, Hoshi, Y, Inami, K, Ishikawa, A, Itoh, R, Iwasaki, Y, Iwashita, T, Julius, T, Kang, JH, Kawasaki, T, Kiesling, C, Kim, HO, Kim, JB, Kim, JH, Kim, KT, Kim, MJ, Kim, YJ, Kinoshita, K, Klucar, J, Ko, BR, Kodyš, P, Korpar, S, Kouzes, RT, Križan, P, Krokovny, P, Kronenbitter, B, Kuhr, T, Kumita, T, Kuzmin, A, Kwon, YJ, Lange, JS, Lee, SH, Li, J, Li, Y, Libby, J, Liu, C, Liu, Y, Liu, ZQ, Liventsev, D, Matvienko, D, Miyabayashi, K, Miyata, H, Mizuk, R, Mohanty, GB, Moll, A, Mori, T, Muramatsu, N, Nakano, E, Nakao, M, Nakazawa, H, Natkaniec, Z, Nayak, M, Ng, C, Nisar, NK, Nishida, S, Nishimura, K, Nitoh, O, Nozaki, T, Ohshima, T, Okuno, S, Olsen, SL, Oswald, C, Ozaki, H, Pakhlov, P, Pakhlova, G, Park, CW, Park, HK, Pedlar, TK, Pestotnik, R, Petrič, M, Piilonen, LE, Prim, M, Röhrken, M, Ryu, S, Sahoo, H, Sakai, K, Sakai, Y, Sandilya, S, Santel, D, Sanuki, T, Sato, Y, Schneider, O, Schnell, G, Schwanda, C, Schwartz, AJ, Senyo, K, Seon, O, Sevior, ME, Shapkin, M, Shen, CP, Shibata, TA, Shiu, JG, Shwartz, B, Sibidanov, A, Simon, F, Smerkol, P, Sohn, YS, Sokolov, A, Solovieva, E, Starič, M, Sumihama, M, Sumiyoshi, T, Tatishvili, G, Teramoto, Y, Trabelsi, K, Tsuboyama, T, Uchida, M, Uehara, S, Unno, Y, Uno, S, Urquijo, P, Ushiroda, Y, Usov, Y, Van Hulse, C, Vanhoefer, P, Varner, G, Varvell, KE, Vorobyev, V, Wagner, MN, Wang, CH, Wang, MZ, Wang, P, Watanabe, M, Watanabe, Y, Williams, KM, Won, E, Yabsley, BD, Yamamoto, H, Yamashita, Y, Yusa, Y, Zhang, ZP, Zhilich, V, Zhulanov, V & Zupanc, A 2013, 'Evidence for B-→τ-ν_̄τ with a hadronic tagging method using the full data sample of belle', Physical review letters, vol. 110, no. 13, 131801. https://doi.org/10.1103/PhysRevLett.110.131801

Evidence for B-→τ-ν_̄τ with a hadronic tagging method using the full data sample of belle. / Hara, K.; Horii, Y.; Iijima, T.; Adachi, I.; Aihara, H.; Asner, D. M.; Aushev, T.; Aziz, T.; Bakich, A. M.; Barrett, M.; Bhardwaj, V.; Bhuyan, B.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E.; Chekelian, V.; Chen, A.; Chen, P.; Cheon, B. G.; Chilikin, K.; Cho, I. S.; Cho, K.; Choi, Y.; Cinabro, D.; Dalseno, J.; Dingfelder, J.; Doležal, Z.; Drásal, Z.; Drutskoy, A.; Dutta, D.; Eidelman, S.; Epifanov, D.; Esen, S.; Farhat, H.; Frey, A.; Gaur, V.; Gabyshev, N.; Ganguly, S.; Gillard, R.; Goh, Y. M.; Golob, B.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; Higuchi, T.; Hoshi, Y.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Iwashita, T.; Julius, T.; Kang, J. H.; Kawasaki, T.; Kiesling, C.; Kim, H. O.; Kim, J. B.; Kim, J. H.; Kim, K. T.; Kim, M. J.; Kim, Y. J.; Kinoshita, K.; Klucar, J.; Ko, B. R.; Kodyš, P.; Korpar, S.; Kouzes, R. T.; Križan, P.; Krokovny, P.; Kronenbitter, B.; Kuhr, T.; Kumita, T.; Kuzmin, A.; Kwon, Y. J.; Lange, J. S.; Lee, S. H.; Li, J.; Li, Y.; Libby, J.; Liu, C.; Liu, Y.; Liu, Z. Q.; Liventsev, D.; Matvienko, D.; Miyabayashi, K.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Mori, T.; Muramatsu, N.; Nakano, E.; Nakao, M.; Nakazawa, H.; Natkaniec, Z.; Nayak, M.; Ng, C.; Nisar, N. K.; Nishida, S.; Nishimura, K.; Nitoh, O.; Nozaki, T.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Oswald, C.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Park, C. W.; Park, H. K.; Pedlar, T. K.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; Prim, M.; Röhrken, M.; Ryu, S.; Sahoo, H.; Sakai, K.; Sakai, Y.; Sandilya, S.; Santel, D.; Sanuki, T.; Sato, Y.; Schneider, O.; Schnell, G.; Schwanda, C.; Schwartz, A. J.; Senyo, K.; Seon, O.; Sevior, M. E.; Shapkin, M.; Shen, C. P.; Shibata, T. A.; Shiu, J. G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Smerkol, P.; Sohn, Y. S.; Sokolov, A.; Solovieva, E.; Starič, M.; Sumihama, M.; Sumiyoshi, T.; Tatishvili, G.; Teramoto, Y.; Trabelsi, K.; Tsuboyama, T.; Uchida, M.; Uehara, S.; Unno, Y.; Uno, S.; Urquijo, P.; Ushiroda, Y.; Usov, Y.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Varvell, K. E.; Vorobyev, V.; Wagner, M. N.; Wang, C. H.; Wang, M. Z.; Wang, P.; Watanabe, M.; Watanabe, Y.; Williams, K. M.; Won, E.; Yabsley, B. D.; Yamamoto, H.; Yamashita, Y.; Yusa, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Zupanc, A.

In: Physical review letters, Vol. 110, No. 13, 131801, 25.03.2013.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Evidence for B-→τ-ν̄τ with a hadronic tagging method using the full data sample of belle

AU - Hara, K.

AU - Horii, Y.

AU - Iijima, T.

AU - Adachi, I.

AU - Aihara, H.

AU - Asner, D. M.

AU - Aushev, T.

AU - Aziz, T.

AU - Bakich, A. M.

AU - Barrett, M.

AU - Bhardwaj, V.

AU - Bhuyan, B.

AU - Bondar, A.

AU - Bonvicini, G.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Chekelian, V.

AU - Chen, A.

AU - Chen, P.

AU - Cheon, B. G.

AU - Chilikin, K.

AU - Cho, I. S.

AU - Cho, K.

AU - Choi, Y.

AU - Cinabro, D.

AU - Dalseno, J.

AU - Dingfelder, J.

AU - Doležal, Z.

AU - Drásal, Z.

AU - Drutskoy, A.

AU - Dutta, D.

AU - Eidelman, S.

AU - Epifanov, D.

AU - Esen, S.

AU - Farhat, H.

AU - Frey, A.

AU - Gaur, V.

AU - Gabyshev, N.

AU - Ganguly, S.

AU - Gillard, R.

AU - Goh, Y. M.

AU - Golob, B.

AU - Haba, J.

AU - Hara, T.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Higuchi, T.

AU - Hoshi, Y.

AU - Inami, K.

AU - Ishikawa, A.

AU - Itoh, R.

AU - Iwasaki, Y.

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PY - 2013/3/25

Y1 - 2013/3/25

N2 - We measure the branching fraction of B-→τ -ν̄τ using the full Υ(4S) data sample containing 772×106 BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. Events with BB̄ pairs are tagged by reconstructing one of the B mesons decaying into hadronic final states, and B-→τ -ν̄τ candidates are detected in the recoil. We find evidence for B-→τ -ν̄τ with a significance of 3.0 standard deviations including systematic errors and measure a branching fraction B(B -→τ-ν̄τ)=[0.72-0.25+0. 27(stat)±0.11(syst)]×10-4.

AB - We measure the branching fraction of B-→τ -ν̄τ using the full Υ(4S) data sample containing 772×106 BB̄ pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. Events with BB̄ pairs are tagged by reconstructing one of the B mesons decaying into hadronic final states, and B-→τ -ν̄τ candidates are detected in the recoil. We find evidence for B-→τ -ν̄τ with a significance of 3.0 standard deviations including systematic errors and measure a branching fraction B(B -→τ-ν̄τ)=[0.72-0.25+0. 27(stat)±0.11(syst)]×10-4.

UR - http://www.scopus.com/inward/record.url?scp=84875424935&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84875424935&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.110.131801

DO - 10.1103/PhysRevLett.110.131801

M3 - Article

C2 - 23581309

AN - SCOPUS:84875424935

VL - 110

JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 13

M1 - 131801

ER -