Measurement of the branching fractions for B0→Ds*+π - and B0→Ds*-K+ decays

N. J. Joshi; T. Aziz; K. Trabelsi; I. Adachi; H. Aihara; K. Arinstein; V. Aulchenko; T. Aushev; A. M. Bakich; V. Balagura; E. Barberio; A. Bay; K. Belous; V. Bhardwaj; M. Bischofberger; A. Bondar; A. Bozek; M. Bračko; T. E. Browder; M. C. Chang; P. Chang; Y. Chao; A. Chen; P. Chen; B. G. Cheon; I. S. Cho; Y. Choi; J. Dalseno; A. Das; Z. Doležal; Z. Drásal; A. Drutskoy; S. Eidelman; N. Gabyshev; P. Goldenzweig; B. Golob; H. Ha; J. Haba; B. Y. Han; K. Hayasaka; H. Hayashii; M. Hazumi; Y. Horii; Y. Hoshi; W. S. Hou; Y. B. Hsiung; H. J. Hyun; T. Iijima; K. Inami; R. Itoh; M. Iwabuchi; M. Iwasaki; Y. Iwasaki; T. Julius; J. H. Kang; T. Kawasaki; H. J. Kim; H. O. Kim; J. H. Kim; S. K. Kim; Y. I. Kim; Y. J. Kim; K. Kinoshita; B. R. Ko; P. Kodyš; M. Kreps; P. Križn; P. Krokovny; T. Kuhr; A. Kuzmin; Y. J. Kwon; S. H. Kyeong; M. J. Lee; S. H. Lee; J. Li; C. Liu; Y. Liu; D. Liventsev; R. Louvot; A. Matyja; S. McOnie; K. Miyabayashi; Y. Miyazaki; R. Mizuk; T. Mori; E. Nakano; M. Nakao; Z. Natkaniec; S. Neubauer; S. Nishida; K. Nishimura; O. Nitoh; S. Ogawa; T. Ohshima; S. Okuno; S. L. Olsen; G. Pakhlova; C. W. Park; H. Park; H. K. Park; M. Petrič; L. E. Piilonen; A. Poluektov; S. Ryu; H. Sahoo; K. Sakai; Y. Sakai; O. Schneider; C. Schwanda; A. J. Schwartz; K. Senyo; M. E. Sevior; M. Shapkin; C. P. Shen; J. G. Shiu; B. Shwartz; J. B. Singh; P. Smerkol; A. Sokolov; E. Solovieva; S. Stanič; M. Starič; J. Stypula; T. Sumiyoshi; G. N. Taylor; Y. Teramoto; S. Uehara; Y. Unno; S. Uno; Y. Usov; G. Varner; K. E. Varvell; K. Vervink; C. H. Wang; M. Z. Wang; P. Wang; X. L. Wang; Y. Watanabe; R. Wedd; J. Wiechczynski; E. Won; B. D. Yabsley; Y. Yamashita; M. Yamauchi; C. C. Zhang; Z. P. Zhang; V. Zhilich; T. Zivko; A. Zupanc; O. Zyukova

doi:10.1103/PhysRevD.81.031101

Measurement of the branching fractions for B0→Ds+π ^- and B0→Ds-K⁺ decays

N. J. Joshi, T. Aziz, K. Trabelsi, I. Adachi, H. Aihara, K. Arinstein, V. Aulchenko, T. Aushev, A. M. Bakich, V. Balagura, E. Barberio, A. Bay, K. Belous, V. Bhardwaj, M. Bischofberger, A. Bondar, A. Bozek, M. Bračko, T. E. Browder, M. C. ChangP. Chang, Y. Chao, A. Chen, P. Chen, B. G. Cheon, I. S. Cho, Y. Choi, J. Dalseno, A. Das, Z. Doležal, Z. Drásal, A. Drutskoy, S. Eidelman, N. Gabyshev, P. Goldenzweig, B. Golob, H. Ha, J. Haba, B. Y. Han, K. Hayasaka, H. Hayashii, M. Hazumi, Y. Horii, Y. Hoshi, W. S. Hou, Y. B. Hsiung, H. J. Hyun, T. Iijima, K. Inami, R. Itoh, M. Iwabuchi, M. Iwasaki, Y. Iwasaki, T. Julius, J. H. Kang, T. Kawasaki, H. J. Kim, H. O. Kim, J. H. Kim, S. K. Kim, Y. I. Kim, Y. J. Kim, K. Kinoshita, B. R. Ko, P. Kodyš, M. Kreps, P. Križn, P. Krokovny, T. Kuhr, A. Kuzmin, Y. J. Kwon, S. H. Kyeong, M. J. Lee, S. H. Lee, J. Li, C. Liu, Y. Liu, D. Liventsev, R. Louvot, A. Matyja, S. McOnie, K. Miyabayashi, Y. Miyazaki, R. Mizuk, T. Mori, E. Nakano, M. Nakao, Z. Natkaniec, S. Neubauer, S. Nishida, K. Nishimura, O. Nitoh, S. Ogawa, T. Ohshima, S. Okuno, S. L. Olsen, G. Pakhlova, C. W. Park, H. Park, H. K. Park, M. Petrič, L. E. Piilonen, A. Poluektov, S. Ryu, H. Sahoo, K. Sakai, Y. Sakai, O. Schneider, C. Schwanda, A. J. Schwartz, K. Senyo, M. E. Sevior, M. Shapkin, C. P. Shen, J. G. Shiu, B. Shwartz, J. B. Singh, P. Smerkol, A. Sokolov, E. Solovieva, S. Stanič, M. Starič, J. Stypula, T. Sumiyoshi, G. N. Taylor, Y. Teramoto, S. Uehara, Y. Unno, S. Uno, Y. Usov, G. Varner, K. E. Varvell, K. Vervink, C. H. Wang, M. Z. Wang, P. Wang, X. L. Wang, Y. Watanabe, R. Wedd, J. Wiechczynski, E. Won, B. D. Yabsley, Y. Yamashita, M. Yamauchi, C. C. Zhang, Z. P. Zhang, V. Zhilich, T. Zivko, A. Zupanc, O. Zyukova

Department of Physics

Research output: Contribution to journal › Article › peer-review

8 Citations (Scopus)

Abstract

We present a study of B0→Ds*+π^- and B0→Ds*-K⁺ decays based on a sample of 657×106 BB̄ events collected with the Belle detector at the KEKB asymmetric-energy e⁺e^- collider. We measure the branching fractions to be B(B0→Ds*+π^-)=(1.75±0.34(stat)±0.17(syst) ±0.11(B))×10^-5 and B(B0→Ds*-K ⁺)=(2.02±0.33(stat)±0.18(syst)±0.13(B)) ×10^-5, with significances of 6.1 and 8.0 standard deviations, respectively. The first uncertainty is statistical, the second is due to the experimental systematics, and the third is from uncertainties in the Ds+ decay branching fractions. From our measurements, we obtain the most precise determination so far of RD^*π, where RD^*π is the ratio between amplitudes of the doubly Cabibbo-suppressed decay B0→D^*+π^- and the Cabibbo-favored B0→D^*-π⁺ decay.

Original language	English
Article number	031101
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	81
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevD.81.031101
Publication status	Published - 2010 Feb 4

ASJC Scopus subject areas

Nuclear and High Energy Physics
Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.81.031101

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Joshi, N. J., Aziz, T., Trabelsi, K., Adachi, I., Aihara, H., Arinstein, K., Aulchenko, V., Aushev, T., Bakich, A. M., Balagura, V., Barberio, E., Bay, A., Belous, K., Bhardwaj, V., Bischofberger, M., Bondar, A., Bozek, A., Bračko, M., Browder, T. E., ... Zyukova, O. (2010). Measurement of the branching fractions for B0→Ds*+π ^- and B0→Ds*-K⁺ decays. Physical Review D - Particles, Fields, Gravitation and Cosmology, 81(3), [031101]. https://doi.org/10.1103/PhysRevD.81.031101

Joshi, NJ, Aziz, T, Trabelsi, K, Adachi, I, Aihara, H, Arinstein, K, Aulchenko, V, Aushev, T, Bakich, AM, Balagura, V, Barberio, E, Bay, A, Belous, K, Bhardwaj, V, Bischofberger, M, Bondar, A, Bozek, A, Bračko, M, Browder, TE, Chang, MC, Chang, P, Chao, Y, Chen, A, Chen, P, Cheon, BG, Cho, IS, Choi, Y, Dalseno, J, Das, A, Doležal, Z, Drásal, Z, Drutskoy, A, Eidelman, S, Gabyshev, N, Goldenzweig, P, Golob, B, Ha, H, Haba, J, Han, BY, Hayasaka, K, Hayashii, H, Hazumi, M, Horii, Y, Hoshi, Y, Hou, WS, Hsiung, YB, Hyun, HJ, Iijima, T, Inami, K, Itoh, R, Iwabuchi, M, Iwasaki, M, Iwasaki, Y, Julius, T, Kang, JH, Kawasaki, T, Kim, HJ, Kim, HO, Kim, JH, Kim, SK, Kim, YI, Kim, YJ, Kinoshita, K, Ko, BR, Kodyš, P, Kreps, M, Križn, P, Krokovny, P, Kuhr, T, Kuzmin, A, Kwon, YJ, Kyeong, SH, Lee, MJ, Lee, SH, Li, J, Liu, C, Liu, Y, Liventsev, D, Louvot, R, Matyja, A, McOnie, S, Miyabayashi, K, Miyazaki, Y, Mizuk, R, Mori, T, Nakano, E, Nakao, M, Natkaniec, Z, Neubauer, S, Nishida, S, Nishimura, K, Nitoh, O, Ogawa, S, Ohshima, T, Okuno, S, Olsen, SL, Pakhlova, G, Park, CW, Park, H, Park, HK, Petrič, M, Piilonen, LE, Poluektov, A, Ryu, S, Sahoo, H, Sakai, K, Sakai, Y, Schneider, O, Schwanda, C, Schwartz, AJ, Senyo, K, Sevior, ME, Shapkin, M, Shen, CP, Shiu, JG, Shwartz, B, Singh, JB, Smerkol, P, Sokolov, A, Solovieva, E, Stanič, S, Starič, M, Stypula, J, Sumiyoshi, T, Taylor, GN, Teramoto, Y, Uehara, S, Unno, Y, Uno, S, Usov, Y, Varner, G, Varvell, KE, Vervink, K, Wang, CH, Wang, MZ, Wang, P, Wang, XL, Watanabe, Y, Wedd, R, Wiechczynski, J, Won, E, Yabsley, BD, Yamashita, Y, Yamauchi, M, Zhang, CC, Zhang, ZP, Zhilich, V, Zivko, T, Zupanc, A & Zyukova, O 2010, 'Measurement of the branching fractions for B0→Ds*+π ^- and B0→Ds*-K⁺ decays', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 81, no. 3, 031101. https://doi.org/10.1103/PhysRevD.81.031101

@article{bb254291a0374b4a949b0238389f8301,

title = "Measurement of the branching fractions for B0→Ds*+π - and B0→Ds*-K+ decays",

abstract = "We present a study of B0→Ds*+π- and B0→Ds*-K+ decays based on a sample of 657×106 B{\=B} events collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure the branching fractions to be B(B0→Ds*+π-)=(1.75±0.34(stat)±0.17(syst) ±0.11(B))×10-5 and B(B0→Ds*-K +)=(2.02±0.33(stat)±0.18(syst)±0.13(B)) ×10-5, with significances of 6.1 and 8.0 standard deviations, respectively. The first uncertainty is statistical, the second is due to the experimental systematics, and the third is from uncertainties in the Ds+ decay branching fractions. From our measurements, we obtain the most precise determination so far of RD*π, where RD*π is the ratio between amplitudes of the doubly Cabibbo-suppressed decay B0→D*+π- and the Cabibbo-favored B0→D*-π+ decay.",

author = "Joshi, {N. J.} and T. Aziz and K. Trabelsi and I. Adachi and H. Aihara and K. Arinstein and V. Aulchenko and T. Aushev and Bakich, {A. M.} and V. Balagura and E. Barberio and A. Bay and K. Belous and V. Bhardwaj and M. Bischofberger and A. Bondar and A. Bozek and M. Bra{\v c}ko and Browder, {T. E.} and Chang, {M. C.} and P. Chang and Y. Chao and A. Chen and P. Chen and Cheon, {B. G.} and Cho, {I. S.} and Y. Choi and J. Dalseno and A. Das and Z. Dole{\v z}al and Z. Dr{\'a}sal and A. Drutskoy and S. Eidelman and N. Gabyshev and P. Goldenzweig and B. Golob and H. Ha and J. Haba and Han, {B. Y.} and K. Hayasaka and H. Hayashii and M. Hazumi 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 R. Itoh and M. Iwabuchi and M. Iwasaki and Y. Iwasaki and T. Julius and Kang, {J. H.} and T. Kawasaki and Kim, {H. J.} and Kim, {H. O.} and Kim, {J. H.} and Kim, {S. K.} and Kim, {Y. I.} and Kim, {Y. J.} and K. Kinoshita and Ko, {B. R.} and P. Kody{\v s} and M. Kreps and P. Kri{\v z}n and P. Krokovny and T. Kuhr and A. Kuzmin and Kwon, {Y. J.} and Kyeong, {S. H.} and Lee, {M. J.} and Lee, {S. H.} and J. Li and C. Liu and Y. Liu and D. Liventsev and R. Louvot and A. Matyja and S. McOnie and K. Miyabayashi and Y. Miyazaki and R. Mizuk and T. Mori and E. Nakano and M. Nakao and Z. Natkaniec and S. Neubauer and S. Nishida and K. Nishimura and O. Nitoh and S. Ogawa and T. Ohshima and S. Okuno and Olsen, {S. L.} and G. Pakhlova and Park, {C. W.} and H. Park and Park, {H. K.} and M. Petri{\v c} and Piilonen, {L. E.} and A. Poluektov and S. Ryu and H. Sahoo and K. Sakai and Y. Sakai and O. Schneider and C. Schwanda and Schwartz, {A. J.} and K. Senyo and Sevior, {M. E.} and M. Shapkin and Shen, {C. P.} and Shiu, {J. G.} and B. Shwartz and Singh, {J. B.} and P. Smerkol and A. Sokolov and E. Solovieva and S. Stani{\v c} and M. Stari{\v c} and J. Stypula and T. Sumiyoshi and Taylor, {G. N.} and Y. Teramoto and S. Uehara and Y. Unno and S. Uno and Y. Usov and G. Varner and Varvell, {K. E.} and K. Vervink and Wang, {C. H.} and Wang, {M. Z.} and P. Wang and Wang, {X. L.} and Y. Watanabe and R. Wedd and J. Wiechczynski and E. Won and Yabsley, {B. D.} and Y. Yamashita and M. Yamauchi and Zhang, {C. C.} and Zhang, {Z. P.} and V. Zhilich and T. Zivko and A. Zupanc and O. Zyukova",

year = "2010",

month = feb,

day = "4",

doi = "10.1103/PhysRevD.81.031101",

language = "English",

volume = "81",

journal = "Physical review D: Particles and fields",

issn = "0556-2821",

publisher = "American Institute of Physics Publising LLC",

number = "3",

}

TY - JOUR

T1 - Measurement of the branching fractions for B0→Ds*+π - and B0→Ds*-K+ decays

AU - Joshi, N. J.

AU - Aziz, T.

AU - Trabelsi, K.

AU - Adachi, I.

AU - Aihara, H.

AU - Arinstein, K.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Bakich, A. M.

AU - Balagura, V.

AU - Barberio, E.

AU - Bay, A.

AU - Belous, K.

AU - Bhardwaj, V.

AU - Bischofberger, M.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Browder, T. E.

AU - Chang, M. C.

AU - Chang, P.

AU - Chao, Y.

AU - Chen, A.

AU - Chen, P.

AU - Cheon, B. G.

AU - Cho, I. S.

AU - Choi, Y.

AU - Dalseno, J.

AU - Das, A.

AU - Doležal, Z.

AU - Drásal, Z.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Gabyshev, N.

AU - Goldenzweig, P.

AU - Golob, B.

AU - Ha, H.

AU - Haba, J.

AU - Han, B. Y.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hazumi, M.

AU - Horii, Y.

AU - Hoshi, Y.

AU - Hou, W. S.

AU - Hsiung, Y. B.

AU - Hyun, H. J.

AU - Iijima, T.

AU - Inami, K.

AU - Itoh, R.

AU - Iwabuchi, M.

AU - Iwasaki, M.

AU - Iwasaki, Y.

AU - Julius, T.

AU - Kang, J. H.

AU - Kawasaki, T.

AU - Kim, H. J.

AU - Kim, H. O.

AU - Kim, J. H.

AU - Kim, S. K.

AU - Kim, Y. I.

AU - Kim, Y. J.

AU - Kinoshita, K.

AU - Ko, B. R.

AU - Kodyš, P.

AU - Kreps, M.

AU - Križn, P.

AU - Krokovny, P.

AU - Kuhr, T.

AU - Kuzmin, A.

AU - Kwon, Y. J.

AU - Kyeong, S. H.

AU - Lee, M. J.

AU - Lee, S. H.

AU - Li, J.

AU - Liu, C.

AU - Liu, Y.

AU - Liventsev, D.

AU - Louvot, R.

AU - Matyja, A.

AU - McOnie, S.

AU - Miyabayashi, K.

AU - Miyazaki, Y.

AU - Mizuk, R.

AU - Mori, T.

AU - Nakano, E.

AU - Nakao, M.

AU - Natkaniec, Z.

AU - Neubauer, S.

AU - Nishida, S.

AU - Nishimura, K.

AU - Nitoh, O.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okuno, S.

AU - Olsen, S. L.

AU - Pakhlova, G.

AU - Park, C. W.

AU - Park, H.

AU - Park, H. K.

AU - Petrič, M.

AU - Piilonen, L. E.

AU - Poluektov, A.

AU - Ryu, S.

AU - Sahoo, H.

AU - Sakai, K.

AU - Sakai, Y.

AU - Schneider, O.

AU - Schwanda, C.

AU - Schwartz, A. J.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shen, C. P.

AU - Shiu, J. G.

AU - Shwartz, B.

AU - Singh, J. B.

AU - Smerkol, P.

AU - Sokolov, A.

AU - Solovieva, E.

AU - Stanič, S.

AU - Starič, M.

AU - Stypula, J.

AU - Sumiyoshi, T.

AU - Taylor, G. N.

AU - Teramoto, Y.

AU - Uehara, S.

AU - Unno, Y.

AU - Uno, S.

AU - Usov, Y.

AU - Varner, G.

AU - Varvell, K. E.

AU - Vervink, K.

AU - Wang, C. H.

AU - Wang, M. Z.

AU - Wang, P.

AU - Wang, X. L.

AU - Watanabe, Y.

AU - Wedd, R.

AU - Wiechczynski, J.

AU - Won, E.

AU - Yabsley, B. D.

AU - Yamashita, Y.

AU - Yamauchi, M.

AU - Zhang, C. C.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zivko, T.

AU - Zupanc, A.

AU - Zyukova, O.

PY - 2010/2/4

Y1 - 2010/2/4

N2 - We present a study of B0→Ds*+π- and B0→Ds*-K+ decays based on a sample of 657×106 BB̄ events collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure the branching fractions to be B(B0→Ds*+π-)=(1.75±0.34(stat)±0.17(syst) ±0.11(B))×10-5 and B(B0→Ds*-K +)=(2.02±0.33(stat)±0.18(syst)±0.13(B)) ×10-5, with significances of 6.1 and 8.0 standard deviations, respectively. The first uncertainty is statistical, the second is due to the experimental systematics, and the third is from uncertainties in the Ds+ decay branching fractions. From our measurements, we obtain the most precise determination so far of RD*π, where RD*π is the ratio between amplitudes of the doubly Cabibbo-suppressed decay B0→D*+π- and the Cabibbo-favored B0→D*-π+ decay.

AB - We present a study of B0→Ds*+π- and B0→Ds*-K+ decays based on a sample of 657×106 BB̄ events collected with the Belle detector at the KEKB asymmetric-energy e+e- collider. We measure the branching fractions to be B(B0→Ds*+π-)=(1.75±0.34(stat)±0.17(syst) ±0.11(B))×10-5 and B(B0→Ds*-K +)=(2.02±0.33(stat)±0.18(syst)±0.13(B)) ×10-5, with significances of 6.1 and 8.0 standard deviations, respectively. The first uncertainty is statistical, the second is due to the experimental systematics, and the third is from uncertainties in the Ds+ decay branching fractions. From our measurements, we obtain the most precise determination so far of RD*π, where RD*π is the ratio between amplitudes of the doubly Cabibbo-suppressed decay B0→D*+π- and the Cabibbo-favored B0→D*-π+ decay.

UR - http://www.scopus.com/inward/record.url?scp=77749324856&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.81.031101

DO - 10.1103/PhysRevD.81.031101

M3 - Article

AN - SCOPUS:77749324856

SN - 0556-2821

VL - 81

JO - Physical review D: Particles and fields

JF - Physical review D: Particles and fields

IS - 3

M1 - 031101

ER -

Measurement of the branching fractions for B0→Ds+π ^- and B0→Ds-K⁺ decays

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