Measurements of branching fractions of leptonic and hadronic D s+ meson decays and extraction of the Ds + meson decay constant

A. Zupanc; I. Adachi; H. Aihara; K. Arinstein; D. M. Asner; T. Aushev; A. M. Bakich; A. Bala; B. Bhuyan; G. Bonvicini; A. Bozek; M. Bračko; J. Brodzicka; T. E. Browder; M. C. Chang; P. Chang; V. Chekelian; A. Chen; P. Chen; B. G. Cheon; K. Chilikin; R. Chistov; K. Cho; V. Chobanova; S. K. Choi; Y. Choi; D. Cinabro; J. Dalseno; M. Danilov; Z. Doležal; Z. Drásal; D. Dutta; S. Eidelman; H. Farhat; J. E. Fast; T. Ferber; V. Gaur; N. Gabyshev; S. Ganguly; R. Gillard; Y. M. Goh; B. Golob; J. Haba; T. Hara; K. Hayasaka; H. Hayashii; Y. Horii; Y. Hoshi; W. S. Hou; Y. B. Hsiung; H. J. Hyun; T. Iijima; K. Inami; A. Ishikawa; R. Itoh; Y. Iwasaki; T. Iwashita; I. Jaegle; T. Julius; E. Kato; H. Kawai; T. Kawasaki; H. Kichimi; C. Kiesling; D. Y. Kim; H. O. Kim; J. B. Kim; J. H. Kim; M. J. Kim; Y. J. Kim; K. Kinoshita; J. Klucar; B. R. Ko; P. Kodyš; S. Korpar; P. Križan; P. Krokovny; B. Kronenbitter; T. Kuhr; T. Kumita; A. Kuzmin; Y. J. Kwon; J. S. Lange; S. H. Lee; J. Li; J. Libby; Z. Q. Liu; D. Liventsev; P. Lukin; H. Miyata; R. Mizuk; G. B. Mohanty; A. Moll; R. Mussa; E. Nakano; M. Nakao; E. Nedelkovska; N. K. Nisar; S. Nishida; O. Nitoh; S. Ogawa; S. Okuno; G. Pakhlova; C. W. Park; H. Park; H. K. Park; T. K. Pedlar; R. Pestotnik; M. Petrič; L. E. Piilonen; M. Prim; M. Ritter; M. Röhrken; A. Rostomyan; S. Ryu; H. Sahoo; T. Saito; Y. Sakai; S. Sandilya; L. Santelj; T. Sanuki; Y. Sato; V. Savinov; O. Schneider; G. Schnell; C. Schwanda; A. J. Schwartz; D. Semmler; K. Senyo; M. E. Sevior; M. Shapkin; C. P. Shen; T. A. Shibata; J. G. Shiu; B. Shwartz; A. Sibidanov; F. Simon; Y. S. Sohn; A. Sokolov; E. Solovieva; M. Starič; M. Steder; T. Sumiyoshi; U. Tamponi; K. Tanida; G. Tatishvili; Y. Teramoto; K. Trabelsi; T. Tsuboyama; M. Uchida; T. Uglov; S. Uno; Y. Usov; S. E. Vahsen; C. Van Hulse; P. Vanhoefer; G. Varner; A. Vinokurova; V. Vorobyev; M. N. Wagner; C. H. Wang; M. Z. Wang; P. Wang; X. L. Wang; M. Watanabe; Y. Watanabe; E. Won; Y. Yamashita; S. Yashchenko; Z. P. Zhang; V. Zhilich; V. Zhulanov

doi:10.1007/JHEP09(2013)139

Measurements of branching fractions of leptonic and hadronic D _s⁺ meson decays and extraction of the D_s ⁺ meson decay constant

A. Zupanc, I. Adachi, H. Aihara, K. Arinstein, D. M. Asner, T. Aushev, A. M. Bakich, A. Bala, B. Bhuyan, G. Bonvicini, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, M. C. Chang, P. Chang, V. Chekelian, A. Chen, P. Chen, B. G. CheonK. Chilikin, R. Chistov, K. Cho, V. Chobanova, S. K. Choi, Y. Choi, D. Cinabro, J. Dalseno, M. Danilov, Z. Doležal, Z. Drásal, D. Dutta, S. Eidelman, H. Farhat, J. E. Fast, T. Ferber, V. Gaur, N. Gabyshev, S. Ganguly, R. Gillard, Y. M. Goh, B. Golob, J. Haba, T. Hara, K. Hayasaka, H. Hayashii, Y. Horii, Y. Hoshi, W. S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, K. Inami, A. Ishikawa, R. Itoh, Y. Iwasaki, T. Iwashita, I. Jaegle, T. Julius, E. Kato, H. Kawai, T. Kawasaki, H. Kichimi, C. Kiesling, D. Y. Kim, H. O. Kim, J. B. Kim, J. H. Kim, M. J. Kim, Y. J. Kim, K. Kinoshita, J. Klucar, B. R. Ko, P. Kodyš, S. Korpar, P. Križan, P. Krokovny, B. Kronenbitter, T. Kuhr, T. Kumita, A. Kuzmin, Y. J. Kwon, J. S. Lange, S. H. Lee, J. Li, J. Libby, Z. Q. Liu, D. Liventsev, P. Lukin, H. Miyata, R. Mizuk, G. B. Mohanty, A. Moll, R. Mussa, E. Nakano, M. Nakao, E. Nedelkovska, N. K. Nisar, S. Nishida, O. Nitoh, S. Ogawa, S. Okuno, G. Pakhlova, C. W. Park, H. Park, H. K. Park, T. K. Pedlar, R. Pestotnik, M. Petrič, L. E. Piilonen, M. Prim, M. Ritter, M. Röhrken, A. Rostomyan, S. Ryu, H. Sahoo, T. Saito, Y. Sakai, S. Sandilya, L. Santelj, T. Sanuki, Y. Sato, V. Savinov, O. Schneider, G. Schnell, C. Schwanda, A. J. Schwartz, D. Semmler, K. Senyo, M. E. Sevior, M. Shapkin, C. P. Shen, T. A. Shibata, J. G. Shiu, B. Shwartz, A. Sibidanov, F. Simon, Y. S. Sohn, A. Sokolov, E. Solovieva, M. Starič, M. Steder, T. Sumiyoshi, U. Tamponi, K. Tanida, G. Tatishvili, Y. Teramoto, K. Trabelsi, T. Tsuboyama, M. Uchida, T. Uglov, S. Uno, Y. Usov, S. E. Vahsen, C. Van Hulse, P. Vanhoefer, G. Varner, A. Vinokurova, V. Vorobyev, M. N. Wagner, C. H. Wang, M. Z. Wang, P. Wang, X. L. Wang, M. Watanabe, Y. Watanabe, E. Won, Y. Yamashita, S. Yashchenko, Z. P. Zhang, V. Zhilich, V. Zhulanov

Department of Physics

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Abstract

We present measurements of absolute branching fractions of hadronic and leptonic D_s⁺ decays to K ^-K⁺π⁺, K̄⁰K⁺, ηπ⁺, μ⁺νμ and τ⁺ντ and report a search for the leptonic D_s⁺ → e ⁺ν^e decays. The results are obtained from a data sample of 913 fb^-1 collected at or near the Y(4S ) and Y(5S ) resonances with the Belle detector at the KEKB asymmetric-energy e⁺e^- collider. The branching fractions of hadronic decays are measured to be B(D_s⁺ → K^-K⁺π⁺) = (5.06 ± 0.15 ± 0.21)%; B(D_s⁺ → K̄⁰K⁺) = (2.95 ± 0.11 ± 0.09)%; B(D_s⁺ → ηπ⁺) = (1.82 ± 0.14 ± 0.07)%; where the first and second uncertainties are statistical and systematic, respectively. The branching fractions of leptonic decays are measured to be B(D_s⁺ → μ⁺ν _μ) = (0.531 ± 0.028 ± 0.020)%; B(D_s ⁺ → τ⁺ν_τ) = (5.70 ± 0.21_-0.30^+0.31)%, which are combined to determine the D_s⁺ meson decay constant f_Ds = (255.5 ± 4.2 ± 5.1) MeV: We find no significant signal for D_s ⁺ → e⁺ν_e decays and set an upper limit of B(D_s⁺ → e⁺ν_e) < 1.0(0.83) × 10^-4 at 95% (90%) confidence level.

Original language	English
Journal	Journal of High Energy Physics
Volume	2013
Issue number	9
DOIs	https://doi.org/10.1007/JHEP09(2013)139
Publication status	Published - 2013 Sep

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1007/JHEP09(2013)139

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Zupanc, A., Adachi, I., Aihara, H., Arinstein, K., Asner, D. M., Aushev, T., Bakich, A. M., Bala, A., Bhuyan, B., Bonvicini, G., Bozek, A., Bračko, M., Brodzicka, J., Browder, T. E., Chang, M. C., Chang, P., Chekelian, V., Chen, A., Chen, P., ... Zhulanov, V. (2013). Measurements of branching fractions of leptonic and hadronic D _s⁺ meson decays and extraction of the D_s ⁺ meson decay constant. Journal of High Energy Physics, 2013(9). https://doi.org/10.1007/JHEP09(2013)139

Zupanc, A. ; Adachi, I. ; Aihara, H. ; Arinstein, K. ; Asner, D. M. ; Aushev, T. ; Bakich, A. M. ; Bala, A. ; Bhuyan, B. ; Bonvicini, G. ; Bozek, A. ; Bračko, M. ; Brodzicka, J. ; Browder, T. E. ; Chang, M. C. ; Chang, P. ; Chekelian, V. ; Chen, A. ; Chen, P. ; Cheon, B. G. ; Chilikin, K. ; Chistov, R. ; Cho, K. ; Chobanova, V. ; Choi, S. K. ; Choi, Y. ; Cinabro, D. ; Dalseno, J. ; Danilov, M. ; Doležal, Z. ; Drásal, Z. ; Dutta, D. ; Eidelman, S. ; Farhat, H. ; Fast, J. E. ; Ferber, T. ; Gaur, V. ; Gabyshev, N. ; Ganguly, S. ; Gillard, R. ; Goh, Y. M. ; Golob, B. ; Haba, J. ; Hara, T. ; Hayasaka, K. ; Hayashii, H. ; Horii, Y. ; Hoshi, Y. ; Hou, W. S. ; Hsiung, Y. B. ; Hyun, H. J. ; Iijima, T. ; Inami, K. ; Ishikawa, A. ; Itoh, R. ; Iwasaki, Y. ; Iwashita, T. ; Jaegle, I. ; Julius, T. ; Kato, E. ; Kawai, H. ; Kawasaki, T. ; Kichimi, H. ; Kiesling, C. ; Kim, D. Y. ; Kim, H. O. ; Kim, J. B. ; Kim, J. H. ; Kim, M. J. ; Kim, Y. J. ; Kinoshita, K. ; Klucar, J. ; Ko, B. R. ; Kodyš, P. ; Korpar, S. ; Križan, P. ; Krokovny, P. ; Kronenbitter, B. ; Kuhr, T. ; Kumita, T. ; Kuzmin, A. ; Kwon, Y. J. ; Lange, J. S. ; Lee, S. H. ; Li, J. ; Libby, J. ; Liu, Z. Q. ; Liventsev, D. ; Lukin, P. ; Miyata, H. ; Mizuk, R. ; Mohanty, G. B. ; Moll, A. ; Mussa, R. ; Nakano, E. ; Nakao, M. ; Nedelkovska, E. ; Nisar, N. K. ; Nishida, S. ; Nitoh, O. ; Ogawa, S. ; Okuno, S. ; Pakhlova, G. ; Park, C. W. ; Park, H. ; Park, H. K. ; Pedlar, T. K. ; Pestotnik, R. ; Petrič, M. ; Piilonen, L. E. ; Prim, M. ; Ritter, M. ; Röhrken, M. ; Rostomyan, A. ; Ryu, S. ; Sahoo, H. ; Saito, T. ; Sakai, Y. ; Sandilya, S. ; Santelj, L. ; Sanuki, T. ; Sato, Y. ; Savinov, V. ; Schneider, O. ; Schnell, G. ; Schwanda, C. ; Schwartz, A. J. ; Semmler, D. ; Senyo, K. ; Sevior, M. E. ; Shapkin, M. ; Shen, C. P. ; Shibata, T. A. ; Shiu, J. G. ; Shwartz, B. ; Sibidanov, A. ; Simon, F. ; Sohn, Y. S. ; Sokolov, A. ; Solovieva, E. ; Starič, M. ; Steder, M. ; Sumiyoshi, T. ; Tamponi, U. ; Tanida, K. ; Tatishvili, G. ; Teramoto, Y. ; Trabelsi, K. ; Tsuboyama, T. ; Uchida, M. ; Uglov, T. ; Uno, S. ; Usov, Y. ; Vahsen, S. E. ; Van Hulse, C. ; Vanhoefer, P. ; Varner, G. ; Vinokurova, A. ; Vorobyev, V. ; Wagner, M. N. ; Wang, C. H. ; Wang, M. Z. ; Wang, P. ; Wang, X. L. ; Watanabe, M. ; Watanabe, Y. ; Won, E. ; Yamashita, Y. ; Yashchenko, S. ; Zhang, Z. P. ; Zhilich, V. ; Zhulanov, V. / Measurements of branching fractions of leptonic and hadronic D _s⁺ meson decays and extraction of the D_s ⁺ meson decay constant. In: Journal of High Energy Physics. 2013 ; Vol. 2013, No. 9.

@article{c0eb73a5d7f14d27aa99bf9791909911,

title = "Measurements of branching fractions of leptonic and hadronic D s+ meson decays and extraction of the Ds + meson decay constant",

abstract = "We present measurements of absolute branching fractions of hadronic and leptonic Ds+ decays to K -K+π+, {\=K}0K+, ηπ+, μ+νμ and τ+ντ and report a search for the leptonic Ds+ → e +νe decays. The results are obtained from a data sample of 913 fb-1 collected at or near the Y(4S ) and Y(5S ) resonances with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching fractions of hadronic decays are measured to be B(Ds+ → K-K+π+) = (5.06 ± 0.15 ± 0.21)%; B(Ds+ → {\=K}0K+) = (2.95 ± 0.11 ± 0.09)%; B(Ds+ → ηπ+) = (1.82 ± 0.14 ± 0.07)%; where the first and second uncertainties are statistical and systematic, respectively. The branching fractions of leptonic decays are measured to be B(Ds+ → μ+ν μ) = (0.531 ± 0.028 ± 0.020)%; B(Ds + → τ+ντ) = (5.70 ± 0.21-0.30+0.31)%, which are combined to determine the Ds+ meson decay constant fDs = (255.5 ± 4.2 ± 5.1) MeV: We find no significant signal for Ds + → e+νe decays and set an upper limit of B(Ds+ → e+νe) < 1.0(0.83) × 10-4 at 95% (90%) confidence level.",

author = "A. Zupanc and I. Adachi and H. Aihara and K. Arinstein and Asner, {D. M.} and T. Aushev and Bakich, {A. M.} and A. Bala and B. Bhuyan and G. Bonvicini and A. Bozek and M. Bra{\v c}ko and J. Brodzicka and Browder, {T. E.} and Chang, {M. C.} and P. Chang and V. Chekelian and A. Chen and P. Chen and Cheon, {B. G.} and K. Chilikin and R. Chistov and K. Cho and V. Chobanova and Choi, {S. K.} and Y. Choi and D. Cinabro and J. Dalseno and M. Danilov and Z. Dole{\v z}al and Z. Dr{\'a}sal and D. Dutta and S. Eidelman and H. Farhat and Fast, {J. E.} and T. Ferber 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 Y. Horii and Y. Hoshi and Hou, {W. S.} and Hsiung, {Y. B.} and Hyun, {H. J.} and T. Iijima and K. Inami and A. Ishikawa and R. Itoh and Y. Iwasaki and T. Iwashita and I. Jaegle and T. Julius and E. Kato and H. Kawai and T. Kawasaki and H. Kichimi and C. Kiesling and Kim, {D. Y.} and Kim, {H. O.} and Kim, {J. B.} and Kim, {J. H.} 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 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 J. Libby and Liu, {Z. Q.} and D. Liventsev and P. Lukin and H. Miyata and R. Mizuk and Mohanty, {G. B.} and A. Moll and R. Mussa and E. Nakano and M. Nakao and E. Nedelkovska and Nisar, {N. K.} and S. Nishida and O. Nitoh and S. Ogawa and S. Okuno and G. Pakhlova and Park, {C. W.} and H. Park 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. Ritter and M. R{\"o}hrken and A. Rostomyan and S. Ryu and H. Sahoo and T. Saito and Y. Sakai and S. Sandilya and L. Santelj and T. Sanuki and Y. Sato and V. Savinov and O. Schneider and G. Schnell and C. Schwanda and Schwartz, {A. J.} and D. Semmler and K. Senyo 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 Sohn, {Y. S.} and A. Sokolov and E. Solovieva and M. Stari{\v c} and M. Steder and T. Sumiyoshi and U. Tamponi and K. Tanida and G. Tatishvili and Y. Teramoto and K. Trabelsi and T. Tsuboyama and M. Uchida and T. Uglov and S. Uno and Y. Usov and Vahsen, {S. E.} and {Van Hulse}, C. and P. Vanhoefer and G. Varner and A. Vinokurova and V. Vorobyev and Wagner, {M. N.} and Wang, {C. H.} and Wang, {M. Z.} and P. Wang and Wang, {X. L.} and M. Watanabe and Y. Watanabe and E. Won and Y. Yamashita and S. Yashchenko and Zhang, {Z. P.} and V. Zhilich and V. Zhulanov",

year = "2013",

month = sep,

doi = "10.1007/JHEP09(2013)139",

language = "English",

volume = "2013",

journal = "Journal of High Energy Physics",

issn = "1126-6708",

publisher = "Springer Verlag",

number = "9",

}

Zupanc, A, Adachi, I, Aihara, H, Arinstein, K, Asner, DM, Aushev, T, Bakich, AM, Bala, A, Bhuyan, B, Bonvicini, G, Bozek, A, Bračko, M, Brodzicka, J, Browder, TE, Chang, MC, Chang, P, Chekelian, V, Chen, A, Chen, P, Cheon, BG, Chilikin, K, Chistov, R, Cho, K, Chobanova, V, Choi, SK, Choi, Y, Cinabro, D, Dalseno, J, Danilov, M, Doležal, Z, Drásal, Z, Dutta, D, Eidelman, S, Farhat, H, Fast, JE, Ferber, T, Gaur, V, Gabyshev, N, Ganguly, S, Gillard, R, Goh, YM, Golob, B, Haba, J, Hara, T, Hayasaka, K, Hayashii, H, Horii, Y, Hoshi, Y, Hou, WS, Hsiung, YB, Hyun, HJ, Iijima, T, Inami, K, Ishikawa, A, Itoh, R, Iwasaki, Y, Iwashita, T, Jaegle, I, Julius, T, Kato, E, Kawai, H, Kawasaki, T, Kichimi, H, Kiesling, C, Kim, DY, Kim, HO, Kim, JB, Kim, JH, Kim, MJ, Kim, YJ, Kinoshita, K, Klucar, J, Ko, BR, Kodyš, P, Korpar, S, Križan, P, Krokovny, P, Kronenbitter, B, Kuhr, T, Kumita, T, Kuzmin, A, Kwon, YJ, Lange, JS, Lee, SH, Li, J, Libby, J, Liu, ZQ, Liventsev, D, Lukin, P, Miyata, H, Mizuk, R, Mohanty, GB, Moll, A, Mussa, R, Nakano, E, Nakao, M, Nedelkovska, E, Nisar, NK, Nishida, S, Nitoh, O, Ogawa, S, Okuno, S, Pakhlova, G, Park, CW, Park, H, Park, HK, Pedlar, TK, Pestotnik, R, Petrič, M, Piilonen, LE, Prim, M, Ritter, M, Röhrken, M, Rostomyan, A, Ryu, S, Sahoo, H, Saito, T, Sakai, Y, Sandilya, S, Santelj, L, Sanuki, T, Sato, Y, Savinov, V, Schneider, O, Schnell, G, Schwanda, C, Schwartz, AJ, Semmler, D, Senyo, K, Sevior, ME, Shapkin, M, Shen, CP, Shibata, TA, Shiu, JG, Shwartz, B, Sibidanov, A, Simon, F, Sohn, YS, Sokolov, A, Solovieva, E, Starič, M, Steder, M, Sumiyoshi, T, Tamponi, U, Tanida, K, Tatishvili, G, Teramoto, Y, Trabelsi, K, Tsuboyama, T, Uchida, M, Uglov, T, Uno, S, Usov, Y, Vahsen, SE, Van Hulse, C, Vanhoefer, P, Varner, G, Vinokurova, A, Vorobyev, V, Wagner, MN, Wang, CH, Wang, MZ, Wang, P, Wang, XL, Watanabe, M, Watanabe, Y, Won, E, Yamashita, Y, Yashchenko, S, Zhang, ZP, Zhilich, V & Zhulanov, V 2013, 'Measurements of branching fractions of leptonic and hadronic D _s⁺ meson decays and extraction of the D_s ⁺ meson decay constant', Journal of High Energy Physics, vol. 2013, no. 9. https://doi.org/10.1007/JHEP09(2013)139

Measurements of branching fractions of leptonic and hadronic D _s⁺ meson decays and extraction of the D_s ⁺ meson decay constant. / Zupanc, A.; Adachi, I.; Aihara, H.; Arinstein, K.; Asner, D. M.; Aushev, T.; Bakich, A. M.; Bala, A.; Bhuyan, B.; Bonvicini, G.; Bozek, A.; Bračko, M.; Brodzicka, J.; Browder, T. E.; Chang, M. C.; Chang, P.; Chekelian, V.; Chen, A.; Chen, P.; Cheon, B. G.; Chilikin, K.; Chistov, R.; Cho, K.; Chobanova, V.; Choi, S. K.; Choi, Y.; Cinabro, D.; Dalseno, J.; Danilov, M.; Doležal, Z.; Drásal, Z.; Dutta, D.; Eidelman, S.; Farhat, H.; Fast, J. E.; Ferber, T.; Gaur, V.; Gabyshev, N.; Ganguly, S.; Gillard, R.; Goh, Y. M.; Golob, B.; Haba, J.; Hara, T.; Hayasaka, K.; Hayashii, H.; Horii, Y.; Hoshi, Y.; Hou, W. S.; Hsiung, Y. B.; Hyun, H. J.; Iijima, T.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, Y.; Iwashita, T.; Jaegle, I.; Julius, T.; Kato, E.; Kawai, H.; Kawasaki, T.; Kichimi, H.; Kiesling, C.; Kim, D. Y.; Kim, H. O.; Kim, J. B.; Kim, J. H.; Kim, M. J.; Kim, Y. J.; Kinoshita, K.; Klucar, J.; Ko, B. R.; Kodyš, P.; Korpar, S.; Križan, P.; Krokovny, P.; Kronenbitter, B.; Kuhr, T.; Kumita, T.; Kuzmin, A.; Kwon, Y. J.; Lange, J. S.; Lee, S. H.; Li, J.; Libby, J.; Liu, Z. Q.; Liventsev, D.; Lukin, P.; Miyata, H.; Mizuk, R.; Mohanty, G. B.; Moll, A.; Mussa, R.; Nakano, E.; Nakao, M.; Nedelkovska, E.; Nisar, N. K.; Nishida, S.; Nitoh, O.; Ogawa, S.; Okuno, S.; Pakhlova, G.; Park, C. W.; Park, H.; Park, H. K.; Pedlar, T. K.; Pestotnik, R.; Petrič, M.; Piilonen, L. E.; Prim, M.; Ritter, M.; Röhrken, M.; Rostomyan, A.; Ryu, S.; Sahoo, H.; Saito, T.; Sakai, Y.; Sandilya, S.; Santelj, L.; Sanuki, T.; Sato, Y.; Savinov, V.; Schneider, O.; Schnell, G.; Schwanda, C.; Schwartz, A. J.; Semmler, D.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shen, C. P.; Shibata, T. A.; Shiu, J. G.; Shwartz, B.; Sibidanov, A.; Simon, F.; Sohn, Y. S.; Sokolov, A.; Solovieva, E.; Starič, M.; Steder, M.; Sumiyoshi, T.; Tamponi, U.; Tanida, K.; Tatishvili, G.; Teramoto, Y.; Trabelsi, K.; Tsuboyama, T.; Uchida, M.; Uglov, T.; Uno, S.; Usov, Y.; Vahsen, S. E.; Van Hulse, C.; Vanhoefer, P.; Varner, G.; Vinokurova, A.; Vorobyev, V.; Wagner, M. N.; Wang, C. H.; Wang, M. Z.; Wang, P.; Wang, X. L.; Watanabe, M.; Watanabe, Y.; Won, E.; Yamashita, Y.; Yashchenko, S.; Zhang, Z. P.; Zhilich, V.; Zhulanov, V.

In: Journal of High Energy Physics, Vol. 2013, No. 9, 09.2013.

Research output: Contribution to journal › Article

TY - JOUR

T1 - Measurements of branching fractions of leptonic and hadronic D s+ meson decays and extraction of the Ds + meson decay constant

AU - Zupanc, A.

AU - Adachi, I.

AU - Aihara, H.

AU - Arinstein, K.

AU - Asner, D. M.

AU - Aushev, T.

AU - Bakich, A. M.

AU - Bala, A.

AU - Bhuyan, B.

AU - Bonvicini, G.

AU - Bozek, A.

AU - Bračko, M.

AU - Brodzicka, J.

AU - Browder, T. E.

AU - Chang, M. C.

AU - Chang, P.

AU - Chekelian, V.

AU - Chen, A.

AU - Chen, P.

AU - Cheon, B. G.

AU - Chilikin, K.

AU - Chistov, R.

AU - Cho, K.

AU - Chobanova, V.

AU - Choi, S. K.

AU - Choi, Y.

AU - Cinabro, D.

AU - Dalseno, J.

AU - Danilov, M.

AU - Doležal, Z.

AU - Drásal, Z.

AU - Dutta, D.

AU - Eidelman, S.

AU - Farhat, H.

AU - Fast, J. E.

AU - Ferber, T.

AU - Gaur, V.

AU - Gabyshev, N.

AU - Ganguly, S.

AU - Gillard, R.

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PY - 2013/9

Y1 - 2013/9

N2 - We present measurements of absolute branching fractions of hadronic and leptonic Ds+ decays to K -K+π+, K̄0K+, ηπ+, μ+νμ and τ+ντ and report a search for the leptonic Ds+ → e +νe decays. The results are obtained from a data sample of 913 fb-1 collected at or near the Y(4S ) and Y(5S ) resonances with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching fractions of hadronic decays are measured to be B(Ds+ → K-K+π+) = (5.06 ± 0.15 ± 0.21)%; B(Ds+ → K̄0K+) = (2.95 ± 0.11 ± 0.09)%; B(Ds+ → ηπ+) = (1.82 ± 0.14 ± 0.07)%; where the first and second uncertainties are statistical and systematic, respectively. The branching fractions of leptonic decays are measured to be B(Ds+ → μ+ν μ) = (0.531 ± 0.028 ± 0.020)%; B(Ds + → τ+ντ) = (5.70 ± 0.21-0.30+0.31)%, which are combined to determine the Ds+ meson decay constant fDs = (255.5 ± 4.2 ± 5.1) MeV: We find no significant signal for Ds + → e+νe decays and set an upper limit of B(Ds+ → e+νe) < 1.0(0.83) × 10-4 at 95% (90%) confidence level.

AB - We present measurements of absolute branching fractions of hadronic and leptonic Ds+ decays to K -K+π+, K̄0K+, ηπ+, μ+νμ and τ+ντ and report a search for the leptonic Ds+ → e +νe decays. The results are obtained from a data sample of 913 fb-1 collected at or near the Y(4S ) and Y(5S ) resonances with the Belle detector at the KEKB asymmetric-energy e+e- collider. The branching fractions of hadronic decays are measured to be B(Ds+ → K-K+π+) = (5.06 ± 0.15 ± 0.21)%; B(Ds+ → K̄0K+) = (2.95 ± 0.11 ± 0.09)%; B(Ds+ → ηπ+) = (1.82 ± 0.14 ± 0.07)%; where the first and second uncertainties are statistical and systematic, respectively. The branching fractions of leptonic decays are measured to be B(Ds+ → μ+ν μ) = (0.531 ± 0.028 ± 0.020)%; B(Ds + → τ+ντ) = (5.70 ± 0.21-0.30+0.31)%, which are combined to determine the Ds+ meson decay constant fDs = (255.5 ± 4.2 ± 5.1) MeV: We find no significant signal for Ds + → e+νe decays and set an upper limit of B(Ds+ → e+νe) < 1.0(0.83) × 10-4 at 95% (90%) confidence level.

UR - http://www.scopus.com/inward/record.url?scp=84892402597&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84892402597&partnerID=8YFLogxK

U2 - 10.1007/JHEP09(2013)139

DO - 10.1007/JHEP09(2013)139

M3 - Article

AN - SCOPUS:84892402597

VL - 2013

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

SN - 1126-6708

IS - 9

ER -