Abstract
We present a measurement of the branching fraction for the semileptonic B decay B o → D+ℓ-v, where ℓ-can be either an electron or a muon. We find Γ( o → D+ℓ-v) = (13.79 ± 0.76 ± 2.51) ns-1, and the resulting branching fraction B( 0→ D+ℓ-v) = (2.13 ± 0.12 ± 0.39)%, where the first error is statistical and the second systematic. We also investigate the Bo → D+ℓ-v form factor and the implications of the result for |VCb|. From a fit to the differential decay distribution we obtain the rate normalization |V Cb| FD(1) = (4.11 ± 0.44 ± 0.52) x 10 -2. Using a theoretical calculation of FD(1), the Cabibbo-Kobayashi-Maskawa matrix element | Vcb| = (4.19 ± 0.45 ± 0.53 ± 0.30) x 10-2 is obtained, where the last error comes from the theoretical uncertainty of FD(1). The results are based on a data sample of 10.2 fb-1 recorded at the γ(4S) resonance with the Belle detector at the KEKB e+e- collider.
| Original language | English |
|---|---|
| Pages (from-to) | 258-268 |
| Number of pages | 11 |
| Journal | Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics |
| Volume | 526 |
| Issue number | 3-4 |
| DOIs | |
| Publication status | Published - 2002 |
| Externally published | Yes |
Keywords
- B decay
- CKM matrix
- Semileptonic
ASJC Scopus subject areas
- Nuclear and High Energy Physics
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Measurement of B(Bo - D+Í- v) and determination of | vCb |. / Abe, K.; Abe, K.; Abe, R.; Abe, T.; Adachi, I.; Ahn, Byoung Sup; Aihara, H.; Akatsu, M.; Asano, Y.; Aso, T.; Aulchenko, V.; Aushev, T.; Bakich, A. M.; Ban, Y.; Banas, E.; Behari, S.; Behera, P. K.; Bondar, A.; Bozek, A.; Browder, T. E.; Casey, B. C.K.; Chang, P.; Chao, Y.; Cheon, B. G.; Chistov, R.; Choi, S. K.; Choi, Y.; Dong, L. Y.; Drutskoy, A.; Eidelman, S.; Eiges, V.; Everton, C. W.; Fang, F.; Fujii, H.; Fukunaga, C.; Fukushima, M.; Gabyshev, N.; Garmash, A.; Gershon, T.; Gordon, A.; Guo, R.; Haba, J.; Hamasaki, H.; Hanagaki, K.; Handa, F.; Hara, K.; Hara, T.; Hastings, N. C.; Hayashii, H.; Hazumi, M.; Heenan, E. M.; Higuchi, I.; Higuchi, T.; Hojo, T.; Hokuue, T.; Hoshi, Y.; Hoshina, K.; Hou, S. R.; Hou, W. S.; Hsu, S. C.; Huang, H. C.; Igarashi, Y.; Iijima, T.; Ikeda, H.; Inami, K.; Ishikawa, A.; Ishino, H.; Itoh, R.; Iwasaki, H.; Iwasaki, Y.; Jackson, D. J.; Jalocha, P.; Jang, H. K.; Kang, J. H.; Kang, J. S.; Kapusta, P.; Katayama, N.; Kawai, H.; Kawai, H.; Kawamura, N.; Kawasaki, T.; Kichimi, H.; Kim, D. W.; Kim, Heejong; Kim, H. J.; Kim, H. O.; Kim, Hyunwoo; Kim, S. K.; Kim, T. H.; Kinoshita, K.; Konishi, H.; Korpar, S.; Križan, P.; Krokovny, P.; Kulasiri, R.; Kumar, S.; Kuzmin, A.; Kwon, Y. J.; Lange, J. S.; Leder, G.; Lee, S. H.; Liventsev, D.; Lu, R. S.; MacNaughton, J.; Matsubara, T.; Matsumoto, S.; Matsumoto, T.; Mikami, Y.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Moloney, G. R.; Mori, S.; Mori, T.; Murakami, A.; Nagamine, T.; Nagasaka, Y.; Nagashima, Y.; Nakadaira, T.; Nakano, E.; Nakao, M.; Nam, J. W.; Natkaniec, Z.; Neichi, K.; Nishida, S.; Nitoh, O.; Noguchi, S.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okabe, T.; Okuno, S.; Olsen, S. L.; Ostrowicz, W.; Ozaki, H.; Pakhlov, P.; Palka, H.; Park, C. S.; Park, C. W.; Park, H.; Park, K. S.; Peak, L. S.; Perroud, J. P.; Peters, M.; Piilonen, L. E.; Prebys, E.; Rodriguez, J. L.; Root, N.; Rozanska, M.; Ryuko, J.; Sagawa, H.; Sakai, Y.; Sakamoto, H.; Satapathy, M.; Satpathy, A.; Schrenk, S.; Semenov, S.; Senyo, K.; Sevior, M. E.; Shibuya, H.; Shwartz, B.; Singh, J. B.; Stanic, S.; Sugiyama, A.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S.; Suzuki, S. Y.; Swain, S. K.; Takahashi, T.; Takasaki, F.; Takita, M.; Tamai, K.; Tamura, N.; Tanaka, J.; Tanaka, M.; Tanaka, Y.; Taylor, G. N.; Teramoto, Y.; Tomoto, M.; Tomura, T.; Tovey, S. N.; Trabelsi, K.; Tsuboyama, T.; Tsukamoto, T.; Uehara, S.; Ueno, K.; Unno, Y.; Uno, S.; Ushiroda, Y.; Vahsen, S. E.; Varvell, K. E.; Wang, C. C.; Wang, C. H.; Wang, J. G.; Wang, M. Z.; Watanabe, Y.; Won, E.; Yabsley, B. D.; Yamada, Y.; Yamaga, M.; Yamaguchi, A.; Yamamoto, H.; Yamashita, Y.; Yamauchi, M.; Yanaka, S.; Yashima, J.; Yokoyama, M.; Yoshida, K.; Yuan, Y.; Yusa, Y.; Zhang, C. C.; Zhang, J.; Zhao, H. W.; Zheng, Y.; Zhilich, V.; Žontar, D.
In: Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, Vol. 526, No. 3-4, 2002, p. 258-268.Research output: Contribution to journal › Article › peer-review
}
TY - JOUR
T1 - Measurement of B(Bo - D+Í- v) and determination of | vCb |
AU - Abe, K.
AU - Abe, K.
AU - Abe, R.
AU - Abe, T.
AU - Adachi, I.
AU - Ahn, Byoung Sup
AU - Aihara, H.
AU - Akatsu, M.
AU - Asano, Y.
AU - Aso, T.
AU - Aulchenko, V.
AU - Aushev, T.
AU - Bakich, A. M.
AU - Ban, Y.
AU - Banas, E.
AU - Behari, S.
AU - Behera, P. K.
AU - Bondar, A.
AU - Bozek, A.
AU - Browder, T. E.
AU - Casey, B. C.K.
AU - Chang, P.
AU - Chao, Y.
AU - Cheon, B. G.
AU - Chistov, R.
AU - Choi, S. K.
AU - Choi, Y.
AU - Dong, L. Y.
AU - Drutskoy, A.
AU - Eidelman, S.
AU - Eiges, V.
AU - Everton, C. W.
AU - Fang, F.
AU - Fujii, H.
AU - Fukunaga, C.
AU - Fukushima, M.
AU - Gabyshev, N.
AU - Garmash, A.
AU - Gershon, T.
AU - Gordon, A.
AU - Guo, R.
AU - Haba, J.
AU - Hamasaki, H.
AU - Hanagaki, K.
AU - Handa, F.
AU - Hara, K.
AU - Hara, T.
AU - Hastings, N. C.
AU - Hayashii, H.
AU - Hazumi, M.
AU - Heenan, E. M.
AU - Higuchi, I.
AU - Higuchi, T.
AU - Hojo, T.
AU - Hokuue, T.
AU - Hoshi, Y.
AU - Hoshina, K.
AU - Hou, S. R.
AU - Hou, W. S.
AU - Hsu, S. C.
AU - Huang, H. C.
AU - Igarashi, Y.
AU - Iijima, T.
AU - Ikeda, H.
AU - Inami, K.
AU - Ishikawa, A.
AU - Ishino, H.
AU - Itoh, R.
AU - Iwasaki, H.
AU - Iwasaki, Y.
AU - Jackson, D. J.
AU - Jalocha, P.
AU - Jang, H. K.
AU - Kang, J. H.
AU - Kang, J. S.
AU - Kapusta, P.
AU - Katayama, N.
AU - Kawai, H.
AU - Kawai, H.
AU - Kawamura, N.
AU - Kawasaki, T.
AU - Kichimi, H.
AU - Kim, D. W.
AU - Kim, Heejong
AU - Kim, H. J.
AU - Kim, H. O.
AU - Kim, Hyunwoo
AU - Kim, S. K.
AU - Kim, T. H.
AU - Kinoshita, K.
AU - Konishi, H.
AU - Korpar, S.
AU - Križan, P.
AU - Krokovny, P.
AU - Kulasiri, R.
AU - Kumar, S.
AU - Kuzmin, A.
AU - Kwon, Y. J.
AU - Lange, J. S.
AU - Leder, G.
AU - Lee, S. H.
AU - Liventsev, D.
AU - Lu, R. S.
AU - MacNaughton, J.
AU - Matsubara, T.
AU - Matsumoto, S.
AU - Matsumoto, T.
AU - Mikami, Y.
AU - Miyabayashi, K.
AU - Miyake, H.
AU - Miyata, H.
AU - Moloney, G. R.
AU - Mori, S.
AU - Mori, T.
AU - Murakami, A.
AU - Nagamine, T.
AU - Nagasaka, Y.
AU - Nagashima, Y.
AU - Nakadaira, T.
AU - Nakano, E.
AU - Nakao, M.
AU - Nam, J. W.
AU - Natkaniec, Z.
AU - Neichi, K.
AU - Nishida, S.
AU - Nitoh, O.
AU - Noguchi, S.
AU - Nozaki, T.
AU - Ogawa, S.
AU - Ohshima, T.
AU - Okabe, T.
AU - Okuno, S.
AU - Olsen, S. L.
AU - Ostrowicz, W.
AU - Ozaki, H.
AU - Pakhlov, P.
AU - Palka, H.
AU - Park, C. S.
AU - Park, C. W.
AU - Park, H.
AU - Park, K. S.
AU - Peak, L. S.
AU - Perroud, J. P.
AU - Peters, M.
AU - Piilonen, L. E.
AU - Prebys, E.
AU - Rodriguez, J. L.
AU - Root, N.
AU - Rozanska, M.
AU - Ryuko, J.
AU - Sagawa, H.
AU - Sakai, Y.
AU - Sakamoto, H.
AU - Satapathy, M.
AU - Satpathy, A.
AU - Schrenk, S.
AU - Semenov, S.
AU - Senyo, K.
AU - Sevior, M. E.
AU - Shibuya, H.
AU - Shwartz, B.
AU - Singh, J. B.
AU - Stanic, S.
AU - Sugiyama, A.
AU - Sumisawa, K.
AU - Sumiyoshi, T.
AU - Suzuki, S.
AU - Suzuki, S. Y.
AU - Swain, S. K.
AU - Takahashi, T.
AU - Takasaki, F.
AU - Takita, M.
AU - Tamai, K.
AU - Tamura, N.
AU - Tanaka, J.
AU - Tanaka, M.
AU - Tanaka, Y.
AU - Taylor, G. N.
AU - Teramoto, Y.
AU - Tomoto, M.
AU - Tomura, T.
AU - Tovey, S. N.
AU - Trabelsi, K.
AU - Tsuboyama, T.
AU - Tsukamoto, T.
AU - Uehara, S.
AU - Ueno, K.
AU - Unno, Y.
AU - Uno, S.
AU - Ushiroda, Y.
AU - Vahsen, S. E.
AU - Varvell, K. E.
AU - Wang, C. C.
AU - Wang, C. H.
AU - Wang, J. G.
AU - Wang, M. Z.
AU - Watanabe, Y.
AU - Won, E.
AU - Yabsley, B. D.
AU - Yamada, Y.
AU - Yamaga, M.
AU - Yamaguchi, A.
AU - Yamamoto, H.
AU - Yamashita, Y.
AU - Yamauchi, M.
AU - Yanaka, S.
AU - Yashima, J.
AU - Yokoyama, M.
AU - Yoshida, K.
AU - Yuan, Y.
AU - Yusa, Y.
AU - Zhang, C. C.
AU - Zhang, J.
AU - Zhao, H. W.
AU - Zheng, Y.
AU - Zhilich, V.
AU - Žontar, D.
N1 - Funding Information: We thank Benjamin Grinstein for useful discussions. We wish to thank the KEKB accelerator group for the excellent operation of the KEKB accelerator. We acknowledge support from the Ministry of Education, Culture, Sports, Science, and Technology of Japan and the Japan Society for the Promotion of Science; the Australian Research Council and the Australian Department of Industry, Science and Resources; the Department of Science and Technology of India; the BK21 program of the Ministry of Education of Korea and the Center for High Energy Physics sponsored by the KOSEF; the Polish State Committee for Scientific Research under contract No.2P03B 17017; the Ministry of Science and Technology of Russian Federation; the National Science Council and the Ministry of Education of Taiwan; and the US Department of Energy.
PY - 2002
Y1 - 2002
N2 - We present a measurement of the branching fraction for the semileptonic B decay B o → D+ℓ-v, where ℓ-can be either an electron or a muon. We find Γ( o → D+ℓ-v) = (13.79 ± 0.76 ± 2.51) ns-1, and the resulting branching fraction B( 0→ D+ℓ-v) = (2.13 ± 0.12 ± 0.39)%, where the first error is statistical and the second systematic. We also investigate the Bo → D+ℓ-v form factor and the implications of the result for |VCb|. From a fit to the differential decay distribution we obtain the rate normalization |V Cb| FD(1) = (4.11 ± 0.44 ± 0.52) x 10 -2. Using a theoretical calculation of FD(1), the Cabibbo-Kobayashi-Maskawa matrix element | Vcb| = (4.19 ± 0.45 ± 0.53 ± 0.30) x 10-2 is obtained, where the last error comes from the theoretical uncertainty of FD(1). The results are based on a data sample of 10.2 fb-1 recorded at the γ(4S) resonance with the Belle detector at the KEKB e+e- collider.
AB - We present a measurement of the branching fraction for the semileptonic B decay B o → D+ℓ-v, where ℓ-can be either an electron or a muon. We find Γ( o → D+ℓ-v) = (13.79 ± 0.76 ± 2.51) ns-1, and the resulting branching fraction B( 0→ D+ℓ-v) = (2.13 ± 0.12 ± 0.39)%, where the first error is statistical and the second systematic. We also investigate the Bo → D+ℓ-v form factor and the implications of the result for |VCb|. From a fit to the differential decay distribution we obtain the rate normalization |V Cb| FD(1) = (4.11 ± 0.44 ± 0.52) x 10 -2. Using a theoretical calculation of FD(1), the Cabibbo-Kobayashi-Maskawa matrix element | Vcb| = (4.19 ± 0.45 ± 0.53 ± 0.30) x 10-2 is obtained, where the last error comes from the theoretical uncertainty of FD(1). The results are based on a data sample of 10.2 fb-1 recorded at the γ(4S) resonance with the Belle detector at the KEKB e+e- collider.
KW - B decay
KW - CKM matrix
KW - Semileptonic
UR - http://www.scopus.com/inward/record.url?scp=0000133942&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=0000133942&partnerID=8YFLogxK
U2 - 10.1016/S0370-2693(01)01483-6
DO - 10.1016/S0370-2693(01)01483-6
M3 - Article
AN - SCOPUS:0000133942
VL - 526
SP - 258
EP - 268
JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
SN - 0370-2693
IS - 3-4
ER -