Measurements of exclusive Bs0 decays at the Υ(5S) resonance

A. Drutskoy, K. Abe, I. Adachi, H. Aihara, D. Anipko, A. M. Bakich, E. Barberio, I. Bedny, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, M. Bračko, T. E. Browder, M. C. Chang, P. Chang, Y. Chao, A. Chen, K. F. Chen, W. T. Chen & 116 others B. G. Cheon, R. Chistov, Y. Choi, J. Dalseno, M. Danilov, M. Dash, J. Dragic, S. Eidelman, S. Fratina, N. Gabyshev, B. Golob, H. Ha, J. Haba, T. Hara, H. Hayashii, M. Hazumi, D. Heffernan, Y. Hoshi, W. S. Hou, Y. B. Hsiung, K. Ikado, K. Inami, A. Ishikawa, H. Ishino, R. Itoh, M. Iwasaki, Y. Iwasaki, Ju Hwan Kang, P. Kapusta, H. Kawai, T. Kawasaki, H. J. Kim, H. O. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, C. C. Kuo, A. Kuzmin, Youngjoon Kwon, M. J. Lee, A. Limosani, S. W. Lin, D. Liventsev, J. MacNaughton, G. Majumder, T. Matsumoto, S. McOnie, W. Mitaroff, K. Miyabayashi, H. Miyata, Y. Miyazaki, G. R. Moloney, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, Y. Onuki, H. Ozaki, P. Pakhlov, G. Pakhlova, R. Pestotnik, L. E. Piilonen, Y. Sakai, N. Satoyama, T. Schietinger, O. Schneider, J. Schümann, A. J. Schwartz, R. Seidl, K. Senyo, M. E. Sevior, M. Shapkin, H. Shibuya, J. B. Singh, A. Somov, N. Soni, S. Stanič, M. Starič, H. Stoeck, K. Sumisawa, T. Sumiyoshi, S. Suzuki, F. Takasaki, K. Tamai, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, I. Tikhomirov, S. Uehara, K. Ueno, Y. Unno, S. Uno, Y. Ushiroda, Y. Usov, G. Varner, S. Villa, A. Vinokurova, C. H. Wang, Y. Watanabe, J. Wicht, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, V. Zhilich, V. Zhulanov, A. Zupanc

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Several exclusive Bs0 decays are studied using a 1.86fb-1 data sample collected at the Υ(5S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. In the Bs0→Ds-π+ decay mode we find 10 Bs0 candidates and measure the corresponding branching fraction. Combining the Bs0→Ds(*)-π+, Bs0→Ds(*)-ρ+, Bs0→J/ψ, and Bs0→J/ψη decay modes, a significant Bs0 signal is observed. The ratio σ(e+e-→Bs*B̄s*)/σ(e+e-→Bs(*) B̄s(*))=(93-9+7±1)% is obtained at the Υ(5S) energy, indicating that Bs0 meson production proceeds predominantly through the creation of Bs*B̄s* pairs. The Bs0 and Bs* meson masses are measured to be M(Bs0)=(5370±1±3)MeV/c2 and M(Bs*)= (5418±1±3)MeV/c2. Upper limits on the Bs0→γγ, Bs0→ γ, Bs0→K+K-, and Bs0→Ds(*)+Ds(*)- branching fractions are also reported.

Original languageEnglish
Article number012002
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume76
Issue number1
DOIs
Publication statusPublished - 2007 Jul 12

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decay
mesons
energy
detectors

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Physics and Astronomy (miscellaneous)

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Drutskoy, A., Abe, K., Adachi, I., Aihara, H., Anipko, D., Bakich, A. M., ... Zupanc, A. (2007). Measurements of exclusive Bs0 decays at the Υ(5S) resonance. Physical Review D - Particles, Fields, Gravitation and Cosmology, 76(1), [012002]. https://doi.org/10.1103/PhysRevD.76.012002
Drutskoy, A. ; Abe, K. ; Adachi, I. ; Aihara, H. ; Anipko, D. ; Bakich, A. M. ; Barberio, E. ; Bedny, I. ; Bitenc, U. ; Bizjak, I. ; Blyth, S. ; Bondar, A. ; Bračko, M. ; Browder, T. E. ; Chang, M. C. ; Chang, P. ; Chao, Y. ; Chen, A. ; Chen, K. F. ; Chen, W. T. ; Cheon, B. G. ; Chistov, R. ; Choi, Y. ; Dalseno, J. ; Danilov, M. ; Dash, M. ; Dragic, J. ; Eidelman, S. ; Fratina, S. ; Gabyshev, N. ; Golob, B. ; Ha, H. ; Haba, J. ; Hara, T. ; Hayashii, H. ; Hazumi, M. ; Heffernan, D. ; Hoshi, Y. ; Hou, W. S. ; Hsiung, Y. B. ; Ikado, K. ; Inami, K. ; Ishikawa, A. ; Ishino, H. ; Itoh, R. ; Iwasaki, M. ; Iwasaki, Y. ; Kang, Ju Hwan ; Kapusta, P. ; Kawai, H. ; Kawasaki, T. ; Kim, H. J. ; Kim, H. O. ; Kim, Y. J. ; Kinoshita, K. ; Korpar, S. ; Križan, P. ; Krokovny, P. ; Kulasiri, R. ; Kumar, R. ; Kuo, C. C. ; Kuzmin, A. ; Kwon, Youngjoon ; Lee, M. J. ; Limosani, A. ; Lin, S. W. ; Liventsev, D. ; MacNaughton, J. ; Majumder, G. ; Matsumoto, T. ; McOnie, S. ; Mitaroff, W. ; Miyabayashi, K. ; Miyata, H. ; Miyazaki, Y. ; Moloney, G. R. ; Nakano, E. ; Nakao, M. ; Natkaniec, Z. ; Nishida, S. ; Ogawa, S. ; Ohshima, T. ; Okuno, S. ; Olsen, S. L. ; Onuki, Y. ; Ozaki, H. ; Pakhlov, P. ; Pakhlova, G. ; Pestotnik, R. ; Piilonen, L. E. ; Sakai, Y. ; Satoyama, N. ; Schietinger, T. ; Schneider, O. ; Schümann, J. ; Schwartz, A. J. ; Seidl, R. ; Senyo, K. ; Sevior, M. E. ; Shapkin, M. ; Shibuya, H. ; Singh, J. B. ; Somov, A. ; Soni, N. ; Stanič, S. ; Starič, M. ; Stoeck, H. ; Sumisawa, K. ; Sumiyoshi, T. ; Suzuki, S. ; Takasaki, F. ; Tamai, K. ; Tanaka, M. ; Taylor, G. N. ; Teramoto, Y. ; Tian, X. C. ; Tikhomirov, I. ; Uehara, S. ; Ueno, K. ; Unno, Y. ; Uno, S. ; Ushiroda, Y. ; Usov, Y. ; Varner, G. ; Villa, S. ; Vinokurova, A. ; Wang, C. H. ; Watanabe, Y. ; Wicht, J. ; Yabsley, B. D. ; Yamaguchi, A. ; Yamashita, Y. ; Yamauchi, M. ; Zhilich, V. ; Zhulanov, V. ; Zupanc, A. / Measurements of exclusive Bs0 decays at the Υ(5S) resonance. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2007 ; Vol. 76, No. 1.
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title = "Measurements of exclusive Bs0 decays at the Υ(5S) resonance",
abstract = "Several exclusive Bs0 decays are studied using a 1.86fb-1 data sample collected at the Υ(5S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. In the Bs0→Ds-π+ decay mode we find 10 Bs0 candidates and measure the corresponding branching fraction. Combining the Bs0→Ds(*)-π+, Bs0→Ds(*)-ρ+, Bs0→J/ψ, and Bs0→J/ψη decay modes, a significant Bs0 signal is observed. The ratio σ(e+e-→Bs*B̄s*)/σ(e+e-→Bs(*) B̄s(*))=(93-9+7±1){\%} is obtained at the Υ(5S) energy, indicating that Bs0 meson production proceeds predominantly through the creation of Bs*B̄s* pairs. The Bs0 and Bs* meson masses are measured to be M(Bs0)=(5370±1±3)MeV/c2 and M(Bs*)= (5418±1±3)MeV/c2. Upper limits on the Bs0→γγ, Bs0→ γ, Bs0→K+K-, and Bs0→Ds(*)+Ds(*)- branching fractions are also reported.",
author = "A. Drutskoy and K. Abe and I. Adachi and H. Aihara and D. Anipko and Bakich, {A. M.} and E. Barberio and I. Bedny and U. Bitenc and I. Bizjak and S. Blyth and A. Bondar and M. Bračko and Browder, {T. E.} and Chang, {M. C.} and P. Chang and Y. Chao and A. Chen and Chen, {K. F.} and Chen, {W. T.} and Cheon, {B. G.} and R. Chistov and Y. Choi and J. Dalseno and M. Danilov and M. Dash and J. Dragic and S. Eidelman and S. Fratina and N. Gabyshev and B. Golob and H. Ha and J. Haba and T. Hara and H. Hayashii and M. Hazumi and D. Heffernan and Y. Hoshi and Hou, {W. S.} and Hsiung, {Y. B.} and K. Ikado and K. Inami and A. Ishikawa and H. Ishino and R. Itoh and M. Iwasaki and Y. Iwasaki and Kang, {Ju Hwan} and P. Kapusta and H. Kawai and T. Kawasaki and Kim, {H. J.} and Kim, {H. O.} and Kim, {Y. J.} and K. Kinoshita and S. Korpar and P. Križan and P. Krokovny and R. Kulasiri and R. Kumar and Kuo, {C. C.} and A. Kuzmin and Youngjoon Kwon and Lee, {M. J.} and A. Limosani and Lin, {S. W.} and D. Liventsev and J. MacNaughton and G. Majumder and T. Matsumoto and S. McOnie and W. Mitaroff and K. Miyabayashi and H. Miyata and Y. Miyazaki and Moloney, {G. R.} and E. Nakano and M. Nakao and Z. Natkaniec and S. Nishida and S. Ogawa and T. Ohshima and S. Okuno and Olsen, {S. L.} and Y. Onuki and H. Ozaki and P. Pakhlov and G. Pakhlova and R. Pestotnik and Piilonen, {L. E.} and Y. Sakai and N. Satoyama and T. Schietinger and O. Schneider and J. Sch{\"u}mann and Schwartz, {A. J.} and R. Seidl and K. Senyo and Sevior, {M. E.} and M. Shapkin and H. Shibuya and Singh, {J. B.} and A. Somov and N. Soni and S. Stanič and M. Starič and H. Stoeck and K. Sumisawa and T. Sumiyoshi and S. Suzuki and F. Takasaki and K. Tamai and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and Tian, {X. C.} and I. Tikhomirov and S. Uehara and K. Ueno and Y. Unno and S. Uno and Y. Ushiroda and Y. Usov and G. Varner and S. Villa and A. Vinokurova and Wang, {C. H.} and Y. Watanabe and J. Wicht and Yabsley, {B. D.} and A. Yamaguchi and Y. Yamashita and M. Yamauchi and V. Zhilich and V. Zhulanov and A. Zupanc",
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month = "7",
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doi = "10.1103/PhysRevD.76.012002",
language = "English",
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journal = "Physical review D: Particles and fields",
issn = "1550-7998",
publisher = "American Physical Society",
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Drutskoy, A, Abe, K, Adachi, I, Aihara, H, Anipko, D, Bakich, AM, Barberio, E, Bedny, I, Bitenc, U, Bizjak, I, Blyth, S, Bondar, A, Bračko, M, Browder, TE, Chang, MC, Chang, P, Chao, Y, Chen, A, Chen, KF, Chen, WT, Cheon, BG, Chistov, R, Choi, Y, Dalseno, J, Danilov, M, Dash, M, Dragic, J, Eidelman, S, Fratina, S, Gabyshev, N, Golob, B, Ha, H, Haba, J, Hara, T, Hayashii, H, Hazumi, M, Heffernan, D, Hoshi, Y, Hou, WS, Hsiung, YB, Ikado, K, Inami, K, Ishikawa, A, Ishino, H, Itoh, R, Iwasaki, M, Iwasaki, Y, Kang, JH, Kapusta, P, Kawai, H, Kawasaki, T, Kim, HJ, Kim, HO, Kim, YJ, Kinoshita, K, Korpar, S, Križan, P, Krokovny, P, Kulasiri, R, Kumar, R, Kuo, CC, Kuzmin, A, Kwon, Y, Lee, MJ, Limosani, A, Lin, SW, Liventsev, D, MacNaughton, J, Majumder, G, Matsumoto, T, McOnie, S, Mitaroff, W, Miyabayashi, K, Miyata, H, Miyazaki, Y, Moloney, GR, Nakano, E, Nakao, M, Natkaniec, Z, Nishida, S, Ogawa, S, Ohshima, T, Okuno, S, Olsen, SL, Onuki, Y, Ozaki, H, Pakhlov, P, Pakhlova, G, Pestotnik, R, Piilonen, LE, Sakai, Y, Satoyama, N, Schietinger, T, Schneider, O, Schümann, J, Schwartz, AJ, Seidl, R, Senyo, K, Sevior, ME, Shapkin, M, Shibuya, H, Singh, JB, Somov, A, Soni, N, Stanič, S, Starič, M, Stoeck, H, Sumisawa, K, Sumiyoshi, T, Suzuki, S, Takasaki, F, Tamai, K, Tanaka, M, Taylor, GN, Teramoto, Y, Tian, XC, Tikhomirov, I, Uehara, S, Ueno, K, Unno, Y, Uno, S, Ushiroda, Y, Usov, Y, Varner, G, Villa, S, Vinokurova, A, Wang, CH, Watanabe, Y, Wicht, J, Yabsley, BD, Yamaguchi, A, Yamashita, Y, Yamauchi, M, Zhilich, V, Zhulanov, V & Zupanc, A 2007, 'Measurements of exclusive Bs0 decays at the Υ(5S) resonance', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 76, no. 1, 012002. https://doi.org/10.1103/PhysRevD.76.012002

Measurements of exclusive Bs0 decays at the Υ(5S) resonance. / Drutskoy, A.; Abe, K.; Adachi, I.; Aihara, H.; Anipko, D.; Bakich, A. M.; Barberio, E.; Bedny, I.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bračko, M.; Browder, T. E.; Chang, M. C.; Chang, P.; Chao, Y.; Chen, A.; Chen, K. F.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Choi, Y.; Dalseno, J.; Danilov, M.; Dash, M.; Dragic, J.; Eidelman, S.; Fratina, S.; Gabyshev, N.; Golob, B.; Ha, H.; Haba, J.; Hara, T.; Hayashii, H.; Hazumi, M.; Heffernan, D.; Hoshi, Y.; Hou, W. S.; Hsiung, Y. B.; Ikado, K.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Kang, Ju Hwan; Kapusta, P.; Kawai, H.; Kawasaki, T.; Kim, H. J.; Kim, H. O.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Križan, P.; Krokovny, P.; Kulasiri, R.; Kumar, R.; Kuo, C. C.; Kuzmin, A.; Kwon, Youngjoon; Lee, M. J.; Limosani, A.; Lin, S. W.; Liventsev, D.; MacNaughton, J.; Majumder, G.; Matsumoto, T.; McOnie, S.; Mitaroff, W.; Miyabayashi, K.; Miyata, H.; Miyazaki, Y.; Moloney, G. R.; Nakano, E.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Ogawa, S.; Ohshima, T.; Okuno, S.; Olsen, S. L.; Onuki, Y.; Ozaki, H.; Pakhlov, P.; Pakhlova, G.; Pestotnik, R.; Piilonen, L. E.; Sakai, Y.; Satoyama, N.; Schietinger, T.; Schneider, O.; Schümann, J.; Schwartz, A. J.; Seidl, R.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shibuya, H.; Singh, J. B.; Somov, A.; Soni, N.; Stanič, S.; Starič, M.; Stoeck, H.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S.; Takasaki, F.; Tamai, K.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tian, X. C.; Tikhomirov, I.; Uehara, S.; Ueno, K.; Unno, Y.; Uno, S.; Ushiroda, Y.; Usov, Y.; Varner, G.; Villa, S.; Vinokurova, A.; Wang, C. H.; Watanabe, Y.; Wicht, J.; Yabsley, B. D.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Zhilich, V.; Zhulanov, V.; Zupanc, A.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 76, No. 1, 012002, 12.07.2007.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Measurements of exclusive Bs0 decays at the Υ(5S) resonance

AU - Drutskoy, A.

AU - Abe, K.

AU - Adachi, I.

AU - Aihara, H.

AU - Anipko, D.

AU - Bakich, A. M.

AU - Barberio, E.

AU - Bedny, I.

AU - Bitenc, U.

AU - Bizjak, I.

AU - Blyth, S.

AU - Bondar, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Chang, M. C.

AU - Chang, P.

AU - Chao, Y.

AU - Chen, A.

AU - Chen, K. F.

AU - Chen, W. T.

AU - Cheon, B. G.

AU - Chistov, R.

AU - Choi, Y.

AU - Dalseno, J.

AU - Danilov, M.

AU - Dash, M.

AU - Dragic, J.

AU - Eidelman, S.

AU - Fratina, S.

AU - Gabyshev, N.

AU - Golob, B.

AU - Ha, H.

AU - Haba, J.

AU - Hara, T.

AU - Hayashii, H.

AU - Hazumi, M.

AU - Heffernan, D.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Hsiung, Y. B.

AU - Ikado, K.

AU - Inami, K.

AU - Ishikawa, A.

AU - Ishino, H.

AU - Itoh, R.

AU - Iwasaki, M.

AU - Iwasaki, Y.

AU - Kang, Ju Hwan

AU - Kapusta, P.

AU - Kawai, H.

AU - Kawasaki, T.

AU - Kim, H. J.

AU - Kim, H. O.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Korpar, S.

AU - Križan, P.

AU - Krokovny, P.

AU - Kulasiri, R.

AU - Kumar, R.

AU - Kuo, C. C.

AU - Kuzmin, A.

AU - Kwon, Youngjoon

AU - Lee, M. J.

AU - Limosani, A.

AU - Lin, S. W.

AU - Liventsev, D.

AU - MacNaughton, J.

AU - Majumder, G.

AU - Matsumoto, T.

AU - McOnie, S.

AU - Mitaroff, W.

AU - Miyabayashi, K.

AU - Miyata, H.

AU - Miyazaki, Y.

AU - Moloney, G. R.

AU - Nakano, E.

AU - Nakao, M.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Onuki, Y.

AU - Ozaki, H.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Sakai, Y.

AU - Satoyama, N.

AU - Schietinger, T.

AU - Schneider, O.

AU - Schümann, J.

AU - Schwartz, A. J.

AU - Seidl, R.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shibuya, H.

AU - Singh, J. B.

AU - Somov, A.

AU - Soni, N.

AU - Stanič, S.

AU - Starič, M.

AU - Stoeck, H.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Suzuki, S.

AU - Takasaki, F.

AU - Tamai, K.

AU - Tanaka, M.

AU - Taylor, G. N.

AU - Teramoto, Y.

AU - Tian, X. C.

AU - Tikhomirov, I.

AU - Uehara, S.

AU - Ueno, K.

AU - Unno, Y.

AU - Uno, S.

AU - Ushiroda, Y.

AU - Usov, Y.

AU - Varner, G.

AU - Villa, S.

AU - Vinokurova, A.

AU - Wang, C. H.

AU - Watanabe, Y.

AU - Wicht, J.

AU - Yabsley, B. D.

AU - Yamaguchi, A.

AU - Yamashita, Y.

AU - Yamauchi, M.

AU - Zhilich, V.

AU - Zhulanov, V.

AU - Zupanc, A.

PY - 2007/7/12

Y1 - 2007/7/12

N2 - Several exclusive Bs0 decays are studied using a 1.86fb-1 data sample collected at the Υ(5S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. In the Bs0→Ds-π+ decay mode we find 10 Bs0 candidates and measure the corresponding branching fraction. Combining the Bs0→Ds(*)-π+, Bs0→Ds(*)-ρ+, Bs0→J/ψ, and Bs0→J/ψη decay modes, a significant Bs0 signal is observed. The ratio σ(e+e-→Bs*B̄s*)/σ(e+e-→Bs(*) B̄s(*))=(93-9+7±1)% is obtained at the Υ(5S) energy, indicating that Bs0 meson production proceeds predominantly through the creation of Bs*B̄s* pairs. The Bs0 and Bs* meson masses are measured to be M(Bs0)=(5370±1±3)MeV/c2 and M(Bs*)= (5418±1±3)MeV/c2. Upper limits on the Bs0→γγ, Bs0→ γ, Bs0→K+K-, and Bs0→Ds(*)+Ds(*)- branching fractions are also reported.

AB - Several exclusive Bs0 decays are studied using a 1.86fb-1 data sample collected at the Υ(5S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. In the Bs0→Ds-π+ decay mode we find 10 Bs0 candidates and measure the corresponding branching fraction. Combining the Bs0→Ds(*)-π+, Bs0→Ds(*)-ρ+, Bs0→J/ψ, and Bs0→J/ψη decay modes, a significant Bs0 signal is observed. The ratio σ(e+e-→Bs*B̄s*)/σ(e+e-→Bs(*) B̄s(*))=(93-9+7±1)% is obtained at the Υ(5S) energy, indicating that Bs0 meson production proceeds predominantly through the creation of Bs*B̄s* pairs. The Bs0 and Bs* meson masses are measured to be M(Bs0)=(5370±1±3)MeV/c2 and M(Bs*)= (5418±1±3)MeV/c2. Upper limits on the Bs0→γγ, Bs0→ γ, Bs0→K+K-, and Bs0→Ds(*)+Ds(*)- branching fractions are also reported.

UR - http://www.scopus.com/inward/record.url?scp=34447335353&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=34447335353&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.76.012002

DO - 10.1103/PhysRevD.76.012002

M3 - Article

VL - 76

JO - Physical review D: Particles and fields

JF - Physical review D: Particles and fields

SN - 1550-7998

IS - 1

M1 - 012002

ER -