Moments of the electron energy spectrum and partial branching fraction of B→Xceν decays at the Belle detector

P. Urquijo, E. Barberio, K. Abe, K. Abe, I. Adachi, H. Aihara, D. Anipko, V. Aulchenko, T. Aushev, M. Barbero, K. Belous, U. Bitenc, I. Bizjak, S. Blyth, A. Bondar, A. Bozek, M. Bračko, J. Brodzicka, T. E. Browder, P. ChangY. Chao, A. Chen, K. F. Chen, W. T. Chen, B. G. Cheon, R. Chistov, Y. Choi, Y. K. Choi, A. Chuvikov, S. Cole, J. Dalseno, M. Danilov, M. Dash, J. Dragic, A. Drutskoy, S. Eidelman, S. Fratina, N. Gabyshev, T. Gershon, A. Go, G. Gokhroo, P. Goldenzweig, B. Golob, H. Ha, J. Haba, T. Hara, N. C. Hastings, K. Hayasaka, H. Hayashii, M. Hazumi, D. Heffernan, Y. Hoshi, S. Hou, W. S. Hou, T. Iijima, A. Imoto, K. Inami, A. Ishikawa, R. Itoh, M. Iwasaki, Y. Iwasaki, J. H. Kang, N. Katayama, H. Kawai, T. Kawasaki, H. R. Khan, H. Kichimi, S. K. Kim, Y. J. Kim, K. Kinoshita, S. Korpar, P. Križan, P. Krokovny, R. Kulasiri, R. Kumar, C. C. Kuo, A. Kuzmin, Y. J. Kwon, J. S. Lange, G. Leder, J. Lee, M. J. Lee, T. Lesiak, J. Li, A. Limosani, S. W. Lin, D. Liventsev, G. Majumder, T. Matsumoto, A. Matyja, S. McOnie, W. Mitaroff, K. Miyabayashi, H. Miyake, H. Miyata, Y. Miyazaki, R. Mizuk, G. R. Moloney, T. Nagamine, Y. Nagasaka, I. Nakamura, E. Nakano, M. Nakao, Z. Natkaniec, S. Nishida, O. Nitoh, T. Nozaki, S. Ogawa, T. Ohshima, S. Okuno, Y. Onuki, P. Pakhlov, G. Pakhlova, H. Park, K. S. Park, R. Pestotnik, L. E. Piilonen, Y. Sakai, N. Satoyama, T. Schietinger, O. Schneider, C. Schwanda, R. Seidl, K. Senyo, M. E. Sevior, M. Shapkin, H. Shibuya, B. Shwartz, J. B. Singh, A. Sokolov, A. Somov, S. Stanič, M. Starič, H. Stoeck, K. Sumisawa, T. Sumiyoshi, S. Y. Suzuki, F. Takasaki, K. Tamai, N. Tamura, M. Tanaka, G. N. Taylor, Y. Teramoto, X. C. Tian, K. Trabelsi, T. Tsukamoto, S. Uehara, T. Uglov, K. Ueno, Y. Unno, S. Uno, Y. Usov, G. Varner, K. E. Varvell, S. Villa, C. C. Wang, C. H. Wang, Y. Watanabe, R. Wedd, Eunil Won, Q. L. Xie, B. D. Yabsley, A. Yamaguchi, Y. Yamashita, M. Yamauchi, Y. Yusa, L. M. Zhang, Z. P. Zhang, V. Zhilich, A. Zupanc

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

We report a measurement of the inclusive electron energy spectrum for charmed semileptonic decays of B mesons in a 140fb-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. We determine the first four moments of the electron energy spectrum for threshold values of the electron energy between 0.4 and 2.0 GeV. In addition, we provide values of the partial branching fraction (zeroth moment) for the same electron threshold energies, and independent measurements of the B+ and B0 partial branching fractions at 0.4 GeV and 0.6 GeV electron threshold energies. We measure the independent B+ and B0 partial branching fractions with electron threshold energies of 0.4 GeV to be ΔB(B+→Xceν)=(10. 79±0.25(stat.)±0.27(sys.))% and ΔB(B0→Xceν)=(10. 08±0.30(stat.)±0.22(sys.))%. Full correlations between all measurements are evaluated.

Original languageEnglish
Article number032001
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume75
Issue number3
DOIs
Publication statusPublished - 2007 Feb 2

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Energy Spectrum
Branching
energy spectra
Detector
Decay
Electron
electron energy
Moment
moments
Partial
thresholds
detectors
decay
Energy
electrons
energy
mesons
Zeroth
Threshold Value
Mesons

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Nuclear and High Energy Physics
  • Mathematical Physics

Cite this

Moments of the electron energy spectrum and partial branching fraction of B→Xceν decays at the Belle detector. / Urquijo, P.; Barberio, E.; Abe, K.; Abe, K.; Adachi, I.; Aihara, H.; Anipko, D.; Aulchenko, V.; Aushev, T.; Barbero, M.; Belous, K.; Bitenc, U.; Bizjak, I.; Blyth, S.; Bondar, A.; Bozek, A.; Bračko, M.; Brodzicka, J.; Browder, T. E.; Chang, P.; Chao, Y.; Chen, A.; Chen, K. F.; Chen, W. T.; Cheon, B. G.; Chistov, R.; Choi, Y.; Choi, Y. K.; Chuvikov, A.; Cole, S.; Dalseno, J.; Danilov, M.; Dash, M.; Dragic, J.; Drutskoy, A.; Eidelman, S.; Fratina, S.; Gabyshev, N.; Gershon, T.; Go, A.; Gokhroo, G.; Goldenzweig, P.; Golob, B.; Ha, H.; Haba, J.; Hara, T.; Hastings, N. C.; Hayasaka, K.; Hayashii, H.; Hazumi, M.; Heffernan, D.; Hoshi, Y.; Hou, S.; Hou, W. S.; Iijima, T.; Imoto, A.; Inami, K.; Ishikawa, A.; Itoh, R.; Iwasaki, M.; Iwasaki, Y.; Kang, J. H.; Katayama, N.; Kawai, H.; Kawasaki, T.; Khan, H. R.; Kichimi, H.; Kim, S. K.; Kim, Y. J.; Kinoshita, K.; Korpar, S.; Križan, P.; Krokovny, P.; Kulasiri, R.; Kumar, R.; Kuo, C. C.; Kuzmin, A.; Kwon, Y. J.; Lange, J. S.; Leder, G.; Lee, J.; Lee, M. J.; Lesiak, T.; Li, J.; Limosani, A.; Lin, S. W.; Liventsev, D.; Majumder, G.; Matsumoto, T.; Matyja, A.; McOnie, S.; Mitaroff, W.; Miyabayashi, K.; Miyake, H.; Miyata, H.; Miyazaki, Y.; Mizuk, R.; Moloney, G. R.; Nagamine, T.; Nagasaka, Y.; Nakamura, I.; Nakano, E.; Nakao, M.; Natkaniec, Z.; Nishida, S.; Nitoh, O.; Nozaki, T.; Ogawa, S.; Ohshima, T.; Okuno, S.; Onuki, Y.; Pakhlov, P.; Pakhlova, G.; Park, H.; Park, K. S.; Pestotnik, R.; Piilonen, L. E.; Sakai, Y.; Satoyama, N.; Schietinger, T.; Schneider, O.; Schwanda, C.; Seidl, R.; Senyo, K.; Sevior, M. E.; Shapkin, M.; Shibuya, H.; Shwartz, B.; Singh, J. B.; Sokolov, A.; Somov, A.; Stanič, S.; Starič, M.; Stoeck, H.; Sumisawa, K.; Sumiyoshi, T.; Suzuki, S. Y.; Takasaki, F.; Tamai, K.; Tamura, N.; Tanaka, M.; Taylor, G. N.; Teramoto, Y.; Tian, X. C.; Trabelsi, K.; Tsukamoto, T.; Uehara, S.; Uglov, T.; Ueno, K.; Unno, Y.; Uno, S.; Usov, Y.; Varner, G.; Varvell, K. E.; Villa, S.; Wang, C. C.; Wang, C. H.; Watanabe, Y.; Wedd, R.; Won, Eunil; Xie, Q. L.; Yabsley, B. D.; Yamaguchi, A.; Yamashita, Y.; Yamauchi, M.; Yusa, Y.; Zhang, L. M.; Zhang, Z. P.; Zhilich, V.; Zupanc, A.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 75, No. 3, 032001, 02.02.2007.

Research output: Contribution to journalArticle

Urquijo, P, Barberio, E, Abe, K, Abe, K, Adachi, I, Aihara, H, Anipko, D, Aulchenko, V, Aushev, T, Barbero, M, Belous, K, Bitenc, U, Bizjak, I, Blyth, S, Bondar, A, Bozek, A, Bračko, M, Brodzicka, J, Browder, TE, Chang, P, Chao, Y, Chen, A, Chen, KF, Chen, WT, Cheon, BG, Chistov, R, Choi, Y, Choi, YK, Chuvikov, A, Cole, S, Dalseno, J, Danilov, M, Dash, M, Dragic, J, Drutskoy, A, Eidelman, S, Fratina, S, Gabyshev, N, Gershon, T, Go, A, Gokhroo, G, Goldenzweig, P, Golob, B, Ha, H, Haba, J, Hara, T, Hastings, NC, Hayasaka, K, Hayashii, H, Hazumi, M, Heffernan, D, Hoshi, Y, Hou, S, Hou, WS, Iijima, T, Imoto, A, Inami, K, Ishikawa, A, Itoh, R, Iwasaki, M, Iwasaki, Y, Kang, JH, Katayama, N, Kawai, H, Kawasaki, T, Khan, HR, Kichimi, H, Kim, SK, Kim, YJ, Kinoshita, K, Korpar, S, Križan, P, Krokovny, P, Kulasiri, R, Kumar, R, Kuo, CC, Kuzmin, A, Kwon, YJ, Lange, JS, Leder, G, Lee, J, Lee, MJ, Lesiak, T, Li, J, Limosani, A, Lin, SW, Liventsev, D, Majumder, G, Matsumoto, T, Matyja, A, McOnie, S, Mitaroff, W, Miyabayashi, K, Miyake, H, Miyata, H, Miyazaki, Y, Mizuk, R, Moloney, GR, Nagamine, T, Nagasaka, Y, Nakamura, I, Nakano, E, Nakao, M, Natkaniec, Z, Nishida, S, Nitoh, O, Nozaki, T, Ogawa, S, Ohshima, T, Okuno, S, Onuki, Y, Pakhlov, P, Pakhlova, G, Park, H, Park, KS, Pestotnik, R, Piilonen, LE, Sakai, Y, Satoyama, N, Schietinger, T, Schneider, O, Schwanda, C, Seidl, R, Senyo, K, Sevior, ME, Shapkin, M, Shibuya, H, Shwartz, B, Singh, JB, Sokolov, A, Somov, A, Stanič, S, Starič, M, Stoeck, H, Sumisawa, K, Sumiyoshi, T, Suzuki, SY, Takasaki, F, Tamai, K, Tamura, N, Tanaka, M, Taylor, GN, Teramoto, Y, Tian, XC, Trabelsi, K, Tsukamoto, T, Uehara, S, Uglov, T, Ueno, K, Unno, Y, Uno, S, Usov, Y, Varner, G, Varvell, KE, Villa, S, Wang, CC, Wang, CH, Watanabe, Y, Wedd, R, Won, E, Xie, QL, Yabsley, BD, Yamaguchi, A, Yamashita, Y, Yamauchi, M, Yusa, Y, Zhang, LM, Zhang, ZP, Zhilich, V & Zupanc, A 2007, 'Moments of the electron energy spectrum and partial branching fraction of B→Xceν decays at the Belle detector', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 75, no. 3, 032001. https://doi.org/10.1103/PhysRevD.75.032001
Urquijo, P. ; Barberio, E. ; Abe, K. ; Abe, K. ; Adachi, I. ; Aihara, H. ; Anipko, D. ; Aulchenko, V. ; Aushev, T. ; Barbero, M. ; Belous, K. ; Bitenc, U. ; Bizjak, I. ; Blyth, S. ; Bondar, A. ; Bozek, A. ; Bračko, M. ; Brodzicka, J. ; Browder, T. E. ; Chang, P. ; Chao, Y. ; Chen, A. ; Chen, K. F. ; Chen, W. T. ; Cheon, B. G. ; Chistov, R. ; Choi, Y. ; Choi, Y. K. ; Chuvikov, A. ; Cole, S. ; Dalseno, J. ; Danilov, M. ; Dash, M. ; Dragic, J. ; Drutskoy, A. ; Eidelman, S. ; Fratina, S. ; Gabyshev, N. ; Gershon, T. ; Go, A. ; Gokhroo, G. ; Goldenzweig, P. ; Golob, B. ; Ha, H. ; Haba, J. ; Hara, T. ; Hastings, N. C. ; Hayasaka, K. ; Hayashii, H. ; Hazumi, M. ; Heffernan, D. ; Hoshi, Y. ; Hou, S. ; Hou, W. S. ; Iijima, T. ; Imoto, A. ; Inami, K. ; Ishikawa, A. ; Itoh, R. ; Iwasaki, M. ; Iwasaki, Y. ; Kang, J. H. ; Katayama, N. ; Kawai, H. ; Kawasaki, T. ; Khan, H. R. ; Kichimi, H. ; Kim, S. K. ; Kim, Y. J. ; Kinoshita, K. ; Korpar, S. ; Križan, P. ; Krokovny, P. ; Kulasiri, R. ; Kumar, R. ; Kuo, C. C. ; Kuzmin, A. ; Kwon, Y. J. ; Lange, J. S. ; Leder, G. ; Lee, J. ; Lee, M. J. ; Lesiak, T. ; Li, J. ; Limosani, A. ; Lin, S. W. ; Liventsev, D. ; Majumder, G. ; Matsumoto, T. ; Matyja, A. ; McOnie, S. ; Mitaroff, W. ; Miyabayashi, K. ; Miyake, H. ; Miyata, H. ; Miyazaki, Y. ; Mizuk, R. ; Moloney, G. R. ; Nagamine, T. ; Nagasaka, Y. ; Nakamura, I. ; Nakano, E. ; Nakao, M. ; Natkaniec, Z. ; Nishida, S. ; Nitoh, O. ; Nozaki, T. ; Ogawa, S. ; Ohshima, T. ; Okuno, S. ; Onuki, Y. ; Pakhlov, P. ; Pakhlova, G. ; Park, H. ; Park, K. S. ; Pestotnik, R. ; Piilonen, L. E. ; Sakai, Y. ; Satoyama, N. ; Schietinger, T. ; Schneider, O. ; Schwanda, C. ; Seidl, R. ; Senyo, K. ; Sevior, M. E. ; Shapkin, M. ; Shibuya, H. ; Shwartz, B. ; Singh, J. B. ; Sokolov, A. ; Somov, A. ; Stanič, S. ; Starič, M. ; Stoeck, H. ; Sumisawa, K. ; Sumiyoshi, T. ; Suzuki, S. Y. ; Takasaki, F. ; Tamai, K. ; Tamura, N. ; Tanaka, M. ; Taylor, G. N. ; Teramoto, Y. ; Tian, X. C. ; Trabelsi, K. ; Tsukamoto, T. ; Uehara, S. ; Uglov, T. ; Ueno, K. ; Unno, Y. ; Uno, S. ; Usov, Y. ; Varner, G. ; Varvell, K. E. ; Villa, S. ; Wang, C. C. ; Wang, C. H. ; Watanabe, Y. ; Wedd, R. ; Won, Eunil ; Xie, Q. L. ; Yabsley, B. D. ; Yamaguchi, A. ; Yamashita, Y. ; Yamauchi, M. ; Yusa, Y. ; Zhang, L. M. ; Zhang, Z. P. ; Zhilich, V. ; Zupanc, A. / Moments of the electron energy spectrum and partial branching fraction of B→Xceν decays at the Belle detector. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2007 ; Vol. 75, No. 3.
@article{ae92c8766f1f4c3c966804bbd769f33f,
title = "Moments of the electron energy spectrum and partial branching fraction of B→Xceν decays at the Belle detector",
abstract = "We report a measurement of the inclusive electron energy spectrum for charmed semileptonic decays of B mesons in a 140fb-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. We determine the first four moments of the electron energy spectrum for threshold values of the electron energy between 0.4 and 2.0 GeV. In addition, we provide values of the partial branching fraction (zeroth moment) for the same electron threshold energies, and independent measurements of the B+ and B0 partial branching fractions at 0.4 GeV and 0.6 GeV electron threshold energies. We measure the independent B+ and B0 partial branching fractions with electron threshold energies of 0.4 GeV to be ΔB(B+→Xceν)=(10. 79±0.25(stat.)±0.27(sys.)){\%} and ΔB(B0→Xceν)=(10. 08±0.30(stat.)±0.22(sys.)){\%}. Full correlations between all measurements are evaluated.",
author = "P. Urquijo and E. Barberio and K. Abe and K. Abe and I. Adachi and H. Aihara and D. Anipko and V. Aulchenko and T. Aushev and M. Barbero and K. Belous and U. Bitenc and I. Bizjak and S. Blyth and A. Bondar and A. Bozek and M. Bračko and J. Brodzicka and Browder, {T. E.} 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 Choi, {Y. K.} and A. Chuvikov and S. Cole and J. Dalseno and M. Danilov and M. Dash and J. Dragic and A. Drutskoy and S. Eidelman and S. Fratina and N. Gabyshev and T. Gershon and A. Go and G. Gokhroo and P. Goldenzweig and B. Golob and H. Ha and J. Haba and T. Hara and Hastings, {N. C.} and K. Hayasaka and H. Hayashii and M. Hazumi and D. Heffernan and Y. Hoshi and S. Hou and Hou, {W. S.} and T. Iijima and A. Imoto and K. Inami and A. Ishikawa and R. Itoh and M. Iwasaki and Y. Iwasaki and Kang, {J. H.} and N. Katayama and H. Kawai and T. Kawasaki and Khan, {H. R.} and H. Kichimi and Kim, {S. K.} 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 Kwon, {Y. J.} and Lange, {J. S.} and G. Leder and J. Lee and Lee, {M. J.} and T. Lesiak and J. Li and A. Limosani and Lin, {S. W.} and D. Liventsev and G. Majumder and T. Matsumoto and A. Matyja and S. McOnie and W. Mitaroff and K. Miyabayashi and H. Miyake and H. Miyata and Y. Miyazaki and R. Mizuk and Moloney, {G. R.} and T. Nagamine and Y. Nagasaka and I. Nakamura and E. Nakano and M. Nakao and Z. Natkaniec and S. Nishida and O. Nitoh and T. Nozaki and S. Ogawa and T. Ohshima and S. Okuno and Y. Onuki and P. Pakhlov and G. Pakhlova and H. Park and Park, {K. S.} and R. Pestotnik and Piilonen, {L. E.} and Y. Sakai and N. Satoyama and T. Schietinger and O. Schneider and C. Schwanda and R. Seidl and K. Senyo and Sevior, {M. E.} and M. Shapkin and H. Shibuya and B. Shwartz and Singh, {J. B.} and A. Sokolov and A. Somov and S. Stanič and M. Starič and H. Stoeck and K. Sumisawa and T. Sumiyoshi and Suzuki, {S. Y.} and F. Takasaki and K. Tamai and N. Tamura and M. Tanaka and Taylor, {G. N.} and Y. Teramoto and Tian, {X. C.} and K. Trabelsi and T. Tsukamoto and S. Uehara and T. Uglov and K. Ueno and Y. Unno and S. Uno and Y. Usov and G. Varner and Varvell, {K. E.} and S. Villa and Wang, {C. C.} and Wang, {C. H.} and Y. Watanabe and R. Wedd and Eunil Won and Xie, {Q. L.} and Yabsley, {B. D.} and A. Yamaguchi and Y. Yamashita and M. Yamauchi and Y. Yusa and Zhang, {L. M.} and Zhang, {Z. P.} and V. Zhilich and A. Zupanc",
year = "2007",
month = "2",
day = "2",
doi = "10.1103/PhysRevD.75.032001",
language = "English",
volume = "75",
journal = "Physical review D: Particles and fields",
issn = "0556-2821",
publisher = "American Institute of Physics Publising LLC",
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}

TY - JOUR

T1 - Moments of the electron energy spectrum and partial branching fraction of B→Xceν decays at the Belle detector

AU - Urquijo, P.

AU - Barberio, E.

AU - Abe, K.

AU - Abe, K.

AU - Adachi, I.

AU - Aihara, H.

AU - Anipko, D.

AU - Aulchenko, V.

AU - Aushev, T.

AU - Barbero, M.

AU - Belous, K.

AU - Bitenc, U.

AU - Bizjak, I.

AU - Blyth, S.

AU - Bondar, A.

AU - Bozek, A.

AU - Bračko, M.

AU - Brodzicka, J.

AU - Browder, T. E.

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 - Choi, Y. K.

AU - Chuvikov, A.

AU - Cole, S.

AU - Dalseno, J.

AU - Danilov, M.

AU - Dash, M.

AU - Dragic, J.

AU - Drutskoy, A.

AU - Eidelman, S.

AU - Fratina, S.

AU - Gabyshev, N.

AU - Gershon, T.

AU - Go, A.

AU - Gokhroo, G.

AU - Goldenzweig, P.

AU - Golob, B.

AU - Ha, H.

AU - Haba, J.

AU - Hara, T.

AU - Hastings, N. C.

AU - Hayasaka, K.

AU - Hayashii, H.

AU - Hazumi, M.

AU - Heffernan, D.

AU - Hoshi, Y.

AU - Hou, S.

AU - Hou, W. S.

AU - Iijima, T.

AU - Imoto, A.

AU - Inami, K.

AU - Ishikawa, A.

AU - Itoh, R.

AU - Iwasaki, M.

AU - Iwasaki, Y.

AU - Kang, J. H.

AU - Katayama, N.

AU - Kawai, H.

AU - Kawasaki, T.

AU - Khan, H. R.

AU - Kichimi, H.

AU - Kim, S. K.

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, Y. J.

AU - Lange, J. S.

AU - Leder, G.

AU - Lee, J.

AU - Lee, M. J.

AU - Lesiak, T.

AU - Li, J.

AU - Limosani, A.

AU - Lin, S. W.

AU - Liventsev, D.

AU - Majumder, G.

AU - Matsumoto, T.

AU - Matyja, A.

AU - McOnie, S.

AU - Mitaroff, W.

AU - Miyabayashi, K.

AU - Miyake, H.

AU - Miyata, H.

AU - Miyazaki, Y.

AU - Mizuk, R.

AU - Moloney, G. R.

AU - Nagamine, T.

AU - Nagasaka, Y.

AU - Nakamura, I.

AU - Nakano, E.

AU - Nakao, M.

AU - Natkaniec, Z.

AU - Nishida, S.

AU - Nitoh, O.

AU - Nozaki, T.

AU - Ogawa, S.

AU - Ohshima, T.

AU - Okuno, S.

AU - Onuki, Y.

AU - Pakhlov, P.

AU - Pakhlova, G.

AU - Park, H.

AU - Park, K. S.

AU - Pestotnik, R.

AU - Piilonen, L. E.

AU - Sakai, Y.

AU - Satoyama, N.

AU - Schietinger, T.

AU - Schneider, O.

AU - Schwanda, C.

AU - Seidl, R.

AU - Senyo, K.

AU - Sevior, M. E.

AU - Shapkin, M.

AU - Shibuya, H.

AU - Shwartz, B.

AU - Singh, J. B.

AU - Sokolov, A.

AU - Somov, A.

AU - Stanič, S.

AU - Starič, M.

AU - Stoeck, H.

AU - Sumisawa, K.

AU - Sumiyoshi, T.

AU - Suzuki, S. Y.

AU - Takasaki, F.

AU - Tamai, K.

AU - Tamura, N.

AU - Tanaka, M.

AU - Taylor, G. N.

AU - Teramoto, Y.

AU - Tian, X. C.

AU - Trabelsi, K.

AU - Tsukamoto, T.

AU - Uehara, S.

AU - Uglov, T.

AU - Ueno, K.

AU - Unno, Y.

AU - Uno, S.

AU - Usov, Y.

AU - Varner, G.

AU - Varvell, K. E.

AU - Villa, S.

AU - Wang, C. C.

AU - Wang, C. H.

AU - Watanabe, Y.

AU - Wedd, R.

AU - Won, Eunil

AU - Xie, Q. L.

AU - Yabsley, B. D.

AU - Yamaguchi, A.

AU - Yamashita, Y.

AU - Yamauchi, M.

AU - Yusa, Y.

AU - Zhang, L. M.

AU - Zhang, Z. P.

AU - Zhilich, V.

AU - Zupanc, A.

PY - 2007/2/2

Y1 - 2007/2/2

N2 - We report a measurement of the inclusive electron energy spectrum for charmed semileptonic decays of B mesons in a 140fb-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. We determine the first four moments of the electron energy spectrum for threshold values of the electron energy between 0.4 and 2.0 GeV. In addition, we provide values of the partial branching fraction (zeroth moment) for the same electron threshold energies, and independent measurements of the B+ and B0 partial branching fractions at 0.4 GeV and 0.6 GeV electron threshold energies. We measure the independent B+ and B0 partial branching fractions with electron threshold energies of 0.4 GeV to be ΔB(B+→Xceν)=(10. 79±0.25(stat.)±0.27(sys.))% and ΔB(B0→Xceν)=(10. 08±0.30(stat.)±0.22(sys.))%. Full correlations between all measurements are evaluated.

AB - We report a measurement of the inclusive electron energy spectrum for charmed semileptonic decays of B mesons in a 140fb-1 data sample collected at the Υ(4S) resonance with the Belle detector at the KEKB asymmetric energy e+e- collider. We determine the first four moments of the electron energy spectrum for threshold values of the electron energy between 0.4 and 2.0 GeV. In addition, we provide values of the partial branching fraction (zeroth moment) for the same electron threshold energies, and independent measurements of the B+ and B0 partial branching fractions at 0.4 GeV and 0.6 GeV electron threshold energies. We measure the independent B+ and B0 partial branching fractions with electron threshold energies of 0.4 GeV to be ΔB(B+→Xceν)=(10. 79±0.25(stat.)±0.27(sys.))% and ΔB(B0→Xceν)=(10. 08±0.30(stat.)±0.22(sys.))%. Full correlations between all measurements are evaluated.

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U2 - 10.1103/PhysRevD.75.032001

DO - 10.1103/PhysRevD.75.032001

M3 - Article

AN - SCOPUS:33846702953

VL - 75

JO - Physical review D: Particles and fields

JF - Physical review D: Particles and fields

SN - 0556-2821

IS - 3

M1 - 032001

ER -