Measurement of the branching fraction of B+ →τ+ντ decays with the semileptonic tagging method

B. Kronenbitter; M. Heck; P. Goldenzweig; T. Kuhr; A. Abdesselam; I. Adachi; H. Aihara; S. Al Said; K. Arinstein; D. M. Asner; T. Aushev; R. Ayad; T. Aziz; A. M. Bakich; V. Bansal; E. Barberio; V. Bhardwaj; A. Bondar; G. Bonvicini; A. Bozek; M. Bračko; T. E. Browder; D. Červenkov; V. Chekelian; A. Chen; B. G. Cheon; K. Chilikin; R. Chistov; K. Cho; V. Chobanova; Y. Choi; D. Cinabro; J. Dalseno; M. Danilov; J. Dingfelder; Z. DoleŽal; Z. Drásal; A. Drutskoy; D. Dutta; S. Eidelman; D. Epifanov; H. Farhat; J. E. Fast; T. Ferber; O. Frost; B. G. Fulsom; V. Gaur; N. Gabyshev; A. Garmash; D. Getzkow; R. Gillard; R. Glattauer; B. Golob; J. Grygier; K. Hayasaka; H. Hayashii; X. H. He; M. Heider; A. Heller; T. Horiguchi; M. Huschle; T. Iijima; K. Inami; A. Ishikawa; R. Itoh; Y. Iwasaki; I. Jaegle; K. K. Joo; T. Julius; K. H. Kang; E. Kato; D. Y. Kim; H. J. Kim; J. B. Kim; J. H. Kim; K. T. Kim; M. J. Kim; S. H. Kim; Y. J. Kim; K. Kinoshita; B. R. Ko; P. Kodyš; P. KriŽan; P. Krokovny; A. Kuzmin; Youngjoon Kwon; J. S. Lange; D. H. Lee; I. S. Lee; P. Lewis; L. Li Gioi; J. Libby; D. Liventsev; P. Lukin; D. Matvienko; H. Miyata; R. Mizuk; G. B. Mohanty; S. Mohanty; A. Moll; H. K. Moon; R. Mussa; E. Nakano; M. Nakao; T. Nanut; Z. Natkaniec; M. Nayak; N. K. Nisar; S. Nishida; S. Okuno; S. L. Olsen; W. Ostrowicz; C. Oswald; P. Pakhlov; G. Pakhlova; H. Park; T. K. Pedlar; L. Pesántez; R. Pestotnik; M. Petrič; L. E. Piilonen; C. Pulvermacher; E. RibeŽl; M. Ritter; A. Rostomyan; S. Ryu; Y. Sakai; L. Santelj; T. Sanuki; Y. Sato; V. Savinov; O. Schneider; G. Schnell; M. Schram; C. Schwanda; A. J. Schwartz; K. Senyo; O. Seon; M. E. Sevior; V. Shebalin; T. A. Shibata; J. G. Shiu; B. Shwartz; A. Sibidanov; F. Simon; Y. S. Sohn; A. Sokolov; E. Solovieva; S. Stanič; M. Starič; M. Steder; T. Sumiyoshi; U. Tamponi; Y. Teramoto; K. Trabelsi; M. Uchida; S. Uehara; T. Uglov; Y. Unno; S. Uno; P. Urquijo; Y. Usov; C. Van Hulse; P. Vanhoefer; G. Varner; A. Vinokurova; A. Vossen; M. N. Wagner; C. H. Wang; M. Z. Wang; P. Wang; M. Watanabe; Y. Watanabe; K. M. Williams; E. Won; H. Yamamoto; S. Yashchenko; Y. Yook; Z. P. Zhang; V. Zhilich; V. Zhulanov; M. Ziegler; A. Zupanc

doi:10.1103/PhysRevD.92.051102

Measurement of the branching fraction of B+ →τ+ντ decays with the semileptonic tagging method

B. Kronenbitter, M. Heck, P. Goldenzweig, T. Kuhr, A. Abdesselam, I. Adachi, H. Aihara, S. Al Said, K. Arinstein, D. M. Asner, T. Aushev, R. Ayad, T. Aziz, A. M. Bakich, V. Bansal, E. Barberio, V. Bhardwaj, A. Bondar, G. Bonvicini, A. BozekM. Bračko, T. E. Browder, D. Červenkov, V. Chekelian, A. Chen, B. G. Cheon, K. Chilikin, R. Chistov, K. Cho, V. Chobanova, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, J. Dingfelder, Z. DoleŽal, Z. Drásal, A. Drutskoy, D. Dutta, S. Eidelman, D. Epifanov, H. Farhat, J. E. Fast, T. Ferber, O. Frost, B. G. Fulsom, V. Gaur, N. Gabyshev, A. Garmash, D. Getzkow, R. Gillard, R. Glattauer, B. Golob, J. Grygier, K. Hayasaka, H. Hayashii, X. H. He, M. Heider, A. Heller, T. Horiguchi, M. Huschle, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, Y. Iwasaki, I. Jaegle, K. K. Joo, T. Julius, K. H. Kang, E. Kato, D. Y. Kim, H. J. Kim, J. B. Kim, J. H. Kim, K. T. Kim, M. J. Kim, S. H. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, P. Kodyš, P. KriŽan, P. Krokovny, A. Kuzmin, Youngjoon Kwon, J. S. Lange, D. H. Lee, I. S. Lee, P. Lewis, L. Li Gioi, J. Libby, D. Liventsev, P. Lukin, D. Matvienko, H. Miyata, R. Mizuk, G. B. Mohanty, S. Mohanty, A. Moll, H. K. Moon, R. Mussa, E. Nakano, M. Nakao, T. Nanut, Z. Natkaniec, M. Nayak, N. K. Nisar, S. Nishida, S. Okuno, S. L. Olsen, W. Ostrowicz, C. Oswald, P. Pakhlov, G. Pakhlova, H. Park, T. K. Pedlar, L. Pesántez, R. Pestotnik, M. Petrič, L. E. Piilonen, C. Pulvermacher, E. RibeŽl, M. Ritter, A. Rostomyan, S. Ryu, Y. Sakai, L. Santelj, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, M. Schram, C. Schwanda, A. J. Schwartz, K. Senyo, O. Seon, M. E. Sevior, V. Shebalin, T. A. Shibata, J. G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, Y. S. Sohn, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, M. Steder, T. Sumiyoshi, U. Tamponi, Y. Teramoto, K. Trabelsi, M. Uchida, S. Uehara, T. Uglov, Y. Unno, S. Uno, P. Urquijo, Y. Usov, C. Van Hulse, P. Vanhoefer, G. Varner, A. Vinokurova, A. Vossen, M. N. Wagner, C. H. Wang, M. Z. Wang, P. Wang, M. Watanabe, Y. Watanabe, K. M. Williams, E. Won, H. Yamamoto, S. Yashchenko, Y. Yook, Z. P. Zhang, V. Zhilich, V. Zhulanov, M. Ziegler, A. Zupanc

Department of Physics

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Abstract

We report a measurement of the branching fraction of B+→τ+ντ decays using a data sample of 772×106BB¯ pairs, collected at the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We reconstruct the accompanying B meson in a semileptonic decay and detect the recoiling B candidate in the decay channel B+→τ+ντ. We obtain a branching fraction of B(B+→τ+ντ)=[1.25±0.28(stat.)±0.27(syst.)]×10-4. This result is in good agreement with previous measurements and the expectation from the calculation based on the Standard Model.

Original language	English
Article number	051102
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	92
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.92.051102
Publication status	Published - 2015 Sep 17

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.92.051102

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Kronenbitter, B., Heck, M., Goldenzweig, P., Kuhr, T., Abdesselam, A., Adachi, I., Aihara, H., Al Said, S., Arinstein, K., Asner, D. M., Aushev, T., Ayad, R., Aziz, T., Bakich, A. M., Bansal, V., Barberio, E., Bhardwaj, V., Bondar, A., Bonvicini, G., ... Zupanc, A. (2015). Measurement of the branching fraction of B+ →τ+ντ decays with the semileptonic tagging method. Physical Review D - Particles, Fields, Gravitation and Cosmology, 92(5), [051102]. https://doi.org/10.1103/PhysRevD.92.051102

Kronenbitter, B. ; Heck, M. ; Goldenzweig, P. ; Kuhr, T. ; Abdesselam, A. ; Adachi, I. ; Aihara, H. ; Al Said, S. ; Arinstein, K. ; Asner, D. M. ; Aushev, T. ; Ayad, R. ; Aziz, T. ; Bakich, A. M. ; Bansal, V. ; Barberio, E. ; Bhardwaj, V. ; Bondar, A. ; Bonvicini, G. ; Bozek, A. ; Bračko, M. ; Browder, T. E. ; Červenkov, D. ; Chekelian, V. ; Chen, A. ; Cheon, B. G. ; Chilikin, K. ; Chistov, R. ; Cho, K. ; Chobanova, V. ; Choi, Y. ; Cinabro, D. ; Dalseno, J. ; Danilov, M. ; Dingfelder, J. ; DoleŽal, Z. ; Drásal, Z. ; Drutskoy, A. ; Dutta, D. ; Eidelman, S. ; Epifanov, D. ; Farhat, H. ; Fast, J. E. ; Ferber, T. ; Frost, O. ; Fulsom, B. G. ; Gaur, V. ; Gabyshev, N. ; Garmash, A. ; Getzkow, D. ; Gillard, R. ; Glattauer, R. ; Golob, B. ; Grygier, J. ; Hayasaka, K. ; Hayashii, H. ; He, X. H. ; Heider, M. ; Heller, A. ; Horiguchi, T. ; Huschle, M. ; Iijima, T. ; Inami, K. ; Ishikawa, A. ; Itoh, R. ; Iwasaki, Y. ; Jaegle, I. ; Joo, K. K. ; Julius, T. ; Kang, K. H. ; Kato, E. ; Kim, D. Y. ; Kim, H. J. ; Kim, J. B. ; Kim, J. H. ; Kim, K. T. ; Kim, M. J. ; Kim, S. H. ; Kim, Y. J. ; Kinoshita, K. ; Ko, B. R. ; Kodyš, P. ; KriŽan, P. ; Krokovny, P. ; Kuzmin, A. ; Kwon, Youngjoon ; Lange, J. S. ; Lee, D. H. ; Lee, I. S. ; Lewis, P. ; Li Gioi, L. ; Libby, J. ; Liventsev, D. ; Lukin, P. ; Matvienko, D. ; Miyata, H. ; Mizuk, R. ; Mohanty, G. B. ; Mohanty, S. ; Moll, A. ; Moon, H. K. ; Mussa, R. ; Nakano, E. ; Nakao, M. ; Nanut, T. ; Natkaniec, Z. ; Nayak, M. ; Nisar, N. K. ; Nishida, S. ; Okuno, S. ; Olsen, S. L. ; Ostrowicz, W. ; Oswald, C. ; Pakhlov, P. ; Pakhlova, G. ; Park, H. ; Pedlar, T. K. ; Pesántez, L. ; Pestotnik, R. ; Petrič, M. ; Piilonen, L. E. ; Pulvermacher, C. ; RibeŽl, E. ; Ritter, M. ; Rostomyan, A. ; Ryu, S. ; Sakai, Y. ; Santelj, L. ; Sanuki, T. ; Sato, Y. ; Savinov, V. ; Schneider, O. ; Schnell, G. ; Schram, M. ; Schwanda, C. ; Schwartz, A. J. ; Senyo, K. ; Seon, O. ; Sevior, M. E. ; Shebalin, V. ; Shibata, T. A. ; Shiu, J. G. ; Shwartz, B. ; Sibidanov, A. ; Simon, F. ; Sohn, Y. S. ; Sokolov, A. ; Solovieva, E. ; Stanič, S. ; Starič, M. ; Steder, M. ; Sumiyoshi, T. ; Tamponi, U. ; Teramoto, Y. ; Trabelsi, K. ; Uchida, M. ; Uehara, S. ; Uglov, T. ; Unno, Y. ; Uno, S. ; Urquijo, P. ; Usov, Y. ; Van Hulse, C. ; Vanhoefer, P. ; Varner, G. ; Vinokurova, A. ; Vossen, A. ; Wagner, M. N. ; Wang, C. H. ; Wang, M. Z. ; Wang, P. ; Watanabe, M. ; Watanabe, Y. ; Williams, K. M. ; Won, E. ; Yamamoto, H. ; Yashchenko, S. ; Yook, Y. ; Zhang, Z. P. ; Zhilich, V. ; Zhulanov, V. ; Ziegler, M. ; Zupanc, A. / Measurement of the branching fraction of B+ →τ+ντ decays with the semileptonic tagging method. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2015 ; Vol. 92, No. 5.

@article{dfae2d05432d4808bce4b5de855fa775,

title = "Measurement of the branching fraction of B+ →τ+ντ decays with the semileptonic tagging method",

abstract = "We report a measurement of the branching fraction of B+→τ+ντ decays using a data sample of 772×106BB¯ pairs, collected at the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We reconstruct the accompanying B meson in a semileptonic decay and detect the recoiling B candidate in the decay channel B+→τ+ντ. We obtain a branching fraction of B(B+→τ+ντ)=[1.25±0.28(stat.)±0.27(syst.)]×10-4. This result is in good agreement with previous measurements and the expectation from the calculation based on the Standard Model.",

author = "B. Kronenbitter and M. Heck and P. Goldenzweig and T. Kuhr and A. Abdesselam and I. Adachi and H. Aihara and {Al Said}, S. and K. Arinstein and Asner, {D. M.} and T. Aushev and R. Ayad and T. Aziz and Bakich, {A. M.} and V. Bansal and E. Barberio and V. Bhardwaj and A. Bondar and G. Bonvicini and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and D. {\v C}ervenkov and V. Chekelian and A. Chen and Cheon, {B. G.} and K. Chilikin and R. Chistov and K. Cho and V. Chobanova and Y. Choi and D. Cinabro and J. Dalseno and M. Danilov 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 H. Farhat and Fast, {J. E.} and T. Ferber and O. Frost and Fulsom, {B. G.} and V. Gaur and N. Gabyshev and A. Garmash and D. Getzkow and R. Gillard and R. Glattauer and B. Golob and J. Grygier and K. Hayasaka and H. Hayashii and He, {X. H.} and M. Heider and A. Heller and T. Horiguchi and M. Huschle and T. Iijima and K. Inami and A. Ishikawa and R. Itoh and Y. Iwasaki and I. Jaegle and Joo, {K. K.} and T. Julius and Kang, {K. H.} and E. Kato and Kim, {D. Y.} and Kim, {H. J.} and Kim, {J. B.} and Kim, {J. H.} and Kim, {K. T.} and Kim, {M. J.} and Kim, {S. H.} and Kim, {Y. J.} and K. Kinoshita and Ko, {B. R.} and P. Kody{\v s} and P. Kri{\v Z}an and P. Krokovny and A. Kuzmin and Youngjoon Kwon and Lange, {J. S.} and Lee, {D. H.} and Lee, {I. S.} and P. Lewis and {Li Gioi}, L. and J. Libby and D. Liventsev and P. Lukin and D. Matvienko and H. Miyata and R. Mizuk and Mohanty, {G. B.} and S. Mohanty and A. Moll and Moon, {H. K.} and R. Mussa and E. Nakano and M. Nakao and T. Nanut and Z. Natkaniec and M. Nayak and Nisar, {N. K.} and S. Nishida and S. Okuno and Olsen, {S. L.} and W. Ostrowicz and C. Oswald and P. Pakhlov and G. Pakhlova and H. Park and Pedlar, {T. K.} and L. Pes{\'a}ntez and R. Pestotnik and M. Petri{\v c} and Piilonen, {L. E.} and C. Pulvermacher and E. Ribe{\v Z}l and M. Ritter and A. Rostomyan and S. Ryu and Y. Sakai and L. Santelj and T. Sanuki and Y. Sato and V. Savinov and O. Schneider and G. Schnell and M. Schram and C. Schwanda and Schwartz, {A. J.} and K. Senyo and O. Seon and Sevior, {M. E.} and V. Shebalin and Shibata, {T. A.} and Shiu, {J. G.} and B. Shwartz and A. Sibidanov and F. Simon and Sohn, {Y. S.} and A. Sokolov and E. Solovieva and S. Stani{\v c} and M. Stari{\v c} and M. Steder and T. Sumiyoshi and U. Tamponi and Y. Teramoto and K. Trabelsi and M. Uchida and S. Uehara and T. Uglov and Y. Unno and S. Uno and P. Urquijo and Y. Usov and {Van Hulse}, C. and P. Vanhoefer and G. Varner and A. Vinokurova and A. Vossen 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 H. Yamamoto and S. Yashchenko and Y. Yook and Zhang, {Z. P.} and V. Zhilich and V. Zhulanov and M. Ziegler and A. Zupanc",

year = "2015",

month = sep,

day = "17",

doi = "10.1103/PhysRevD.92.051102",

language = "English",

volume = "92",

journal = "Physical Review D - Particles, Fields, Gravitation and Cosmology",

issn = "1550-7998",

number = "5",

}

Kronenbitter, B, Heck, M, Goldenzweig, P, Kuhr, T, Abdesselam, A, Adachi, I, Aihara, H, Al Said, S, Arinstein, K, Asner, DM, Aushev, T, Ayad, R, Aziz, T, Bakich, AM, Bansal, V, Barberio, E, Bhardwaj, V, Bondar, A, Bonvicini, G, Bozek, A, Bračko, M, Browder, TE, Červenkov, D, Chekelian, V, Chen, A, Cheon, BG, Chilikin, K, Chistov, R, Cho, K, Chobanova, V, Choi, Y, Cinabro, D, Dalseno, J, Danilov, M, Dingfelder, J, DoleŽal, Z, Drásal, Z, Drutskoy, A, Dutta, D, Eidelman, S, Epifanov, D, Farhat, H, Fast, JE, Ferber, T, Frost, O, Fulsom, BG, Gaur, V, Gabyshev, N, Garmash, A, Getzkow, D, Gillard, R, Glattauer, R, Golob, B, Grygier, J, Hayasaka, K, Hayashii, H, He, XH, Heider, M, Heller, A, Horiguchi, T, Huschle, M, Iijima, T, Inami, K, Ishikawa, A, Itoh, R, Iwasaki, Y, Jaegle, I, Joo, KK, Julius, T, Kang, KH, Kato, E, Kim, DY, Kim, HJ, Kim, JB, Kim, JH, Kim, KT, Kim, MJ, Kim, SH, Kim, YJ, Kinoshita, K, Ko, BR, Kodyš, P, KriŽan, P, Krokovny, P, Kuzmin, A, Kwon, Y, Lange, JS, Lee, DH, Lee, IS, Lewis, P, Li Gioi, L, Libby, J, Liventsev, D, Lukin, P, Matvienko, D, Miyata, H, Mizuk, R, Mohanty, GB, Mohanty, S, Moll, A, Moon, HK, Mussa, R, Nakano, E, Nakao, M, Nanut, T, Natkaniec, Z, Nayak, M, Nisar, NK, Nishida, S, Okuno, S, Olsen, SL, Ostrowicz, W, Oswald, C, Pakhlov, P, Pakhlova, G, Park, H, Pedlar, TK, Pesántez, L, Pestotnik, R, Petrič, M, Piilonen, LE, Pulvermacher, C, RibeŽl, E, Ritter, M, Rostomyan, A, Ryu, S, Sakai, Y, Santelj, L, Sanuki, T, Sato, Y, Savinov, V, Schneider, O, Schnell, G, Schram, M, Schwanda, C, Schwartz, AJ, Senyo, K, Seon, O, Sevior, ME, Shebalin, V, Shibata, TA, Shiu, JG, Shwartz, B, Sibidanov, A, Simon, F, Sohn, YS, Sokolov, A, Solovieva, E, Stanič, S, Starič, M, Steder, M, Sumiyoshi, T, Tamponi, U, Teramoto, Y, Trabelsi, K, Uchida, M, Uehara, S, Uglov, T, Unno, Y, Uno, S, Urquijo, P, Usov, Y, Van Hulse, C, Vanhoefer, P, Varner, G, Vinokurova, A, Vossen, A, Wagner, MN, Wang, CH, Wang, MZ, Wang, P, Watanabe, M, Watanabe, Y, Williams, KM, Won, E, Yamamoto, H, Yashchenko, S, Yook, Y, Zhang, ZP, Zhilich, V, Zhulanov, V, Ziegler, M & Zupanc, A 2015, 'Measurement of the branching fraction of B+ →τ+ντ decays with the semileptonic tagging method', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 92, no. 5, 051102. https://doi.org/10.1103/PhysRevD.92.051102

Measurement of the branching fraction of B+ →τ+ντ decays with the semileptonic tagging method. / Kronenbitter, B.; Heck, M.; Goldenzweig, P.; Kuhr, T.; Abdesselam, A.; Adachi, I.; Aihara, H.; Al Said, S.; Arinstein, K.; Asner, D. M.; Aushev, T.; Ayad, R.; Aziz, T.; Bakich, A. M.; Bansal, V.; Barberio, E.; Bhardwaj, V.; Bondar, A.; Bonvicini, G.; Bozek, A.; Bračko, M.; Browder, T. E.; Červenkov, D.; Chekelian, V.; Chen, A.; Cheon, B. G.; Chilikin, K.; Chistov, R.; Cho, K.; Chobanova, V.; Choi, Y.; Cinabro, D.; Dalseno, J.; Danilov, M.; Dingfelder, J.; DoleŽal, Z.; Drásal, Z.; Drutskoy, A.; Dutta, D.; Eidelman, S.; Epifanov, D.; Farhat, H.; Fast, J. E.; Ferber, T.; Frost, O.; Fulsom, B. G.; Gaur, V.; Gabyshev, N.; Garmash, A.; Getzkow, D.; Gillard, R.; Glattauer, R.; Golob, B.; Grygier, J.; Hayasaka, K.; Hayashii, H.; He, X. H.; Heider, M.; Heller, A.; Horiguchi, T.; Huschle, M.; Iijima, T.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Jaegle, I.; Joo, K. K.; Julius, T.; Kang, K. H.; Kato, E.; Kim, D. Y.; Kim, H. J.; Kim, J. B.; Kim, J. H.; Kim, K. T.; Kim, M. J.; Kim, S. H.; Kim, Y. J.; Kinoshita, K.; Ko, B. R.; Kodyš, P.; KriŽan, P.; Krokovny, P.; Kuzmin, A.; Kwon, Youngjoon; Lange, J. S.; Lee, D. H.; Lee, I. S.; Lewis, P.; Li Gioi, L.; Libby, J.; Liventsev, D.; Lukin, P.; Matvienko, D.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Mohanty, S.; Moll, A.; Moon, H. K.; Mussa, R.; Nakano, E.; Nakao, M.; Nanut, T.; Natkaniec, Z.; Nayak, M.; Nisar, N. K.; Nishida, S.; Okuno, S.; Olsen, S. L.; Ostrowicz, W.; Oswald, C.; Pakhlov, P.; Pakhlova, G.; Park, H.; Pedlar, T. K.; Pesántez, L.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; Pulvermacher, C.; RibeŽl, E.; Ritter, M.; Rostomyan, A.; Ryu, S.; Sakai, Y.; Santelj, L.; Sanuki, T.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schram, M.; Schwanda, C.; Schwartz, A. J.; Senyo, K.; Seon, O.; Sevior, M. E.; Shebalin, V.; Shibata, T. A.; Shiu, J. G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Sohn, Y. S.; Sokolov, A.; Solovieva, E.; Stanič, S.; Starič, M.; Steder, M.; Sumiyoshi, T.; Tamponi, U.; Teramoto, Y.; Trabelsi, K.; Uchida, M.; Uehara, S.; Uglov, T.; Unno, Y.; Uno, S.; Urquijo, P.; Usov, Y.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Vinokurova, A.; Vossen, A.; Wagner, M. N.; Wang, C. H.; Wang, M. Z.; Wang, P.; Watanabe, M.; Watanabe, Y.; Williams, K. M.; Won, E.; Yamamoto, H.; Yashchenko, S.; Yook, Y.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.; Ziegler, M.; Zupanc, A.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 92, No. 5, 051102, 17.09.2015.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Measurement of the branching fraction of B+ →τ+ντ decays with the semileptonic tagging method

AU - Kronenbitter, B.

AU - Heck, M.

AU - Goldenzweig, P.

AU - Kuhr, T.

AU - Abdesselam, A.

AU - Adachi, I.

AU - Aihara, H.

AU - Al Said, S.

AU - Arinstein, K.

AU - Asner, D. M.

AU - Aushev, T.

AU - Ayad, R.

AU - Aziz, T.

AU - Bakich, A. M.

AU - Bansal, V.

AU - Barberio, E.

AU - Bhardwaj, V.

AU - Bondar, A.

AU - Bonvicini, G.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Červenkov, D.

AU - Chekelian, V.

AU - Chen, A.

AU - Cheon, B. G.

AU - Chilikin, K.

AU - Chistov, R.

AU - Cho, K.

AU - Chobanova, V.

AU - Choi, Y.

AU - Cinabro, D.

AU - Dalseno, J.

AU - Danilov, M.

AU - Dingfelder, J.

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PY - 2015/9/17

Y1 - 2015/9/17

N2 - We report a measurement of the branching fraction of B+→τ+ντ decays using a data sample of 772×106BB¯ pairs, collected at the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We reconstruct the accompanying B meson in a semileptonic decay and detect the recoiling B candidate in the decay channel B+→τ+ντ. We obtain a branching fraction of B(B+→τ+ντ)=[1.25±0.28(stat.)±0.27(syst.)]×10-4. This result is in good agreement with previous measurements and the expectation from the calculation based on the Standard Model.

AB - We report a measurement of the branching fraction of B+→τ+ντ decays using a data sample of 772×106BB¯ pairs, collected at the (4S) resonance with the Belle detector at the KEKB asymmetric-energy e+e- collider. We reconstruct the accompanying B meson in a semileptonic decay and detect the recoiling B candidate in the decay channel B+→τ+ντ. We obtain a branching fraction of B(B+→τ+ντ)=[1.25±0.28(stat.)±0.27(syst.)]×10-4. This result is in good agreement with previous measurements and the expectation from the calculation based on the Standard Model.

UR - http://www.scopus.com/inward/record.url?scp=84943778547&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84943778547&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.92.051102

DO - 10.1103/PhysRevD.92.051102

M3 - Article

AN - SCOPUS:84943778547

VL - 92

JO - Physical Review D - Particles, Fields, Gravitation and Cosmology

JF - Physical Review D - Particles, Fields, Gravitation and Cosmology

SN - 1550-7998

IS - 5

M1 - 051102

ER -