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Title: Measurement of the branching fraction of B → D ( * ) π ℓ ν at Belle using hadronic tagging in fully reconstructed events

Abstract

We report a measurement of the branching fractions of the decays B→D(*)πℓv. The analysis uses 772×106 $$B\overline{B}$$ pairs produced in e+e-→Y(4S) data recorded by the Belle experiment at the KEKB asymmetric-energy e+e- collider. The tagging B meson in the decay is fully reconstructed in a hadronic decay mode. On the signal side, we reconstruct the decay B→D(*)πℓv(l=e,μ). The measured branching fractions are B(B+→D-π+ℓ+v) = [4.55±0.27 (stat.)±0.39 (syst.)]×10-3, B(B0→$$\overline{D}$$0π-ℓ+ν)=[4.05±0.36 (stat.)±0.41 (syst.)]×10-3, B(B+→D*-π+ℓ+ν)=[6.03±0.43 (stat.)±0.38 (syst.)]×10-3, and B(B0→$$\overline{D}$$*0π-ℓ+ν)=[6.46±0.53 (stat.)±0.52 (syst.)]×10-3. These are in good agreement with the current world-average values.

Authors:
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Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States); Virginia Polytechnic Inst. and State Univ. (Virginia Tech), Blacksburg, VA (United States); Univ. of Hawaii, Honolulu, HI (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES); KEK - High Energy Accelerator Research Organization; Ministry of Education, Culture, Sports, Science and Technology; National Science Foundation (NSF)
Contributing Org.:
Belle Collaboration
OSTI Identifier:
1462143
Alternate Identifier(s):
OSTI ID: 1473641; OSTI ID: 1593926
Report Number(s):
BNL-209063-2018-JAAM
Journal ID: ISSN 2470-0010; PRVDAQ; 012005
Grant/Contract Number:  
SC0012704; SC0009973; SC0010504
Resource Type:
Published Article
Journal Name:
Physical Review. D.
Additional Journal Information:
Journal Name: Physical Review. D. Journal Volume: 98 Journal Issue: 1; Journal ID: ISSN 2470-0010
Publisher:
American Physical Society (APS)
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Bottom mesons

Citation Formats

Vossen, A., Adachi, I., Adamczyk, K., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Badhrees, I., Bansal, V., Beleño, C., Bhuyan, B., Bilka, T., Biswal, J., Bondar, A., Bozek, A., Browder, T. E., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Eidelman, S., Fast, J. E., Ferber, T., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Goldenzweig, P., Guido, E., Hara, T., Hartbrich, O., Hayasaka, K., Hayashii, H., Hedges, M. T., Hirose, S., Hou, W. -S., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jia, S., Jin, Y., Julius, T., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumita, T., Kwon, Y. -J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Masuda, M., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Moon, H. K., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Niiyama, M., Nishida, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Ritter, M., Rostomyan, A., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Shebalin, V., Shen, C. P., Shibata, T. -A., Shimizu, N., Shiu, J. -G., Simon, F., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Hulse, C., Varner, G., Varvell, K. E., Vinokurova, A., Vorobyev, V., Wang, B., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, M., Widmann, E., Won, E., Ye, H., Yusa, Y., Zakharov, S., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., and Belle Collaboration. Measurement of the branching fraction of B → D ( * ) π ℓ ν at Belle using hadronic tagging in fully reconstructed events. United States: N. p., 2018. Web. doi:10.1103/PhysRevD.98.012005.
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Vossen, A., Adachi, I., Adamczyk, K., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Badhrees, I., Bansal, V., Beleño, C., Bhuyan, B., Bilka, T., Biswal, J., Bondar, A., Bozek, A., Browder, T. E., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Eidelman, S., Fast, J. E., Ferber, T., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Goldenzweig, P., Guido, E., Hara, T., Hartbrich, O., Hayasaka, K., Hayashii, H., Hedges, M. T., Hirose, S., Hou, W. -S., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jia, S., Jin, Y., Julius, T., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumita, T., Kwon, Y. -J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Masuda, M., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Moon, H. K., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Niiyama, M., Nishida, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Ritter, M., Rostomyan, A., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Shebalin, V., Shen, C. P., Shibata, T. -A., Shimizu, N., Shiu, J. -G., Simon, F., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Hulse, C., Varner, G., Varvell, K. E., Vinokurova, A., Vorobyev, V., Wang, B., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, M., Widmann, E., Won, E., Ye, H., Yusa, Y., Zakharov, S., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., & Belle Collaboration. Measurement of the branching fraction of B → D ( * ) π ℓ ν at Belle using hadronic tagging in fully reconstructed events. United States. https://doi.org/10.1103/PhysRevD.98.012005
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Vossen, A., Adachi, I., Adamczyk, K., Aihara, H., Al Said, S., Asner, D. M., Aulchenko, V., Aushev, T., Ayad, R., Badhrees, I., Bansal, V., Beleño, C., Bhuyan, B., Bilka, T., Biswal, J., Bondar, A., Bozek, A., Browder, T. E., Červenkov, D., Chen, A., Cheon, B. G., Chilikin, K., Cho, K., Choi, S. -K., Choi, Y., Choudhury, S., Cinabro, D., Cunliffe, S., Dash, N., Di Carlo, S., Doležal, Z., Eidelman, S., Fast, J. E., Ferber, T., Fulsom, B. G., Garg, R., Gaur, V., Gabyshev, N., Garmash, A., Gelb, M., Goldenzweig, P., Guido, E., Hara, T., Hartbrich, O., Hayasaka, K., Hayashii, H., Hedges, M. T., Hirose, S., Hou, W. -S., Inami, K., Ishikawa, A., Itoh, R., Iwasaki, M., Iwasaki, Y., Jacobs, W. W., Jaegle, I., Jia, S., Jin, Y., Julius, T., Kim, D. Y., Kim, H. J., Kim, J. B., Kim, K. T., Kim, S. H., Kinoshita, K., Korpar, S., Kotchetkov, D., Križan, P., Kroeger, R., Krokovny, P., Kuhr, T., Kulasiri, R., Kumita, T., Kwon, Y. -J., Lange, J. S., Lee, I. S., Lee, S. C., Li, L. K., Li, Y., Li Gioi, L., Libby, J., Liventsev, D., Lubej, M., Masuda, M., Merola, M., Miyabayashi, K., Miyata, H., Mizuk, R., Moon, H. K., Mussa, R., Nakano, E., Nakao, M., Nanut, T., Nath, K. J., Nayak, M., Niiyama, M., Nishida, S., Ono, H., Pakhlov, P., Pakhlova, G., Pal, B., Pardi, S., Park, H., Paul, S., Pedlar, T. K., Pestotnik, R., Piilonen, L. E., Popov, V., Ritter, M., Rostomyan, A., Russo, G., Sahoo, D., Sakai, Y., Salehi, M., Sandilya, S., Santelj, L., Sanuki, T., Savinov, V., Schneider, O., Schnell, G., Schwanda, C., Schwartz, A. J., Seino, Y., Senyo, K., Shebalin, V., Shen, C. P., Shibata, T. -A., Shimizu, N., Shiu, J. -G., Simon, F., Solovieva, E., Starič, M., Strube, J. F., Sumihama, M., Sumiyoshi, T., Takizawa, M., Tamponi, U., Tanida, K., Tenchini, F., Trabelsi, K., Uchida, M., Uglov, T., Unno, Y., Uno, S., Urquijo, P., Usov, Y., Van Hulse, C., Varner, G., Varvell, K. E., Vinokurova, A., Vorobyev, V., Wang, B., Wang, C. H., Wang, M. -Z., Wang, P., Watanabe, M., Widmann, E., Won, E., Ye, H., Yusa, Y., Zakharov, S., Zhang, Z. P., Zhilich, V., Zhukova, V., Zhulanov, V., Zupanc, A., and Belle Collaboration. Mon . "Measurement of the branching fraction of B → D ( * ) π ℓ ν at Belle using hadronic tagging in fully reconstructed events". United States. https://doi.org/10.1103/PhysRevD.98.012005.
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@article{osti_1462143,
title = {Measurement of the branching fraction of B → D ( * ) π ℓ ν at Belle using hadronic tagging in fully reconstructed events},
author = {Vossen, A. and Adachi, I. and Adamczyk, K. and Aihara, H. and Al Said, S. and Asner, D. M. and Aulchenko, V. and Aushev, T. and Ayad, R. and Badhrees, I. and Bansal, V. and Beleño, C. and Bhuyan, B. and Bilka, T. and Biswal, J. and Bondar, A. and Bozek, A. and Browder, T. E. and Červenkov, D. and Chen, A. and Cheon, B. G. and Chilikin, K. and Cho, K. and Choi, S. -K. and Choi, Y. and Choudhury, S. and Cinabro, D. and Cunliffe, S. and Dash, N. and Di Carlo, S. and Doležal, Z. and Eidelman, S. and Fast, J. E. and Ferber, T. and Fulsom, B. G. and Garg, R. and Gaur, V. and Gabyshev, N. and Garmash, A. and Gelb, M. and Goldenzweig, P. and Guido, E. and Hara, T. and Hartbrich, O. and Hayasaka, K. and Hayashii, H. and Hedges, M. T. and Hirose, S. and Hou, W. -S. and Inami, K. and Ishikawa, A. and Itoh, R. and Iwasaki, M. and Iwasaki, Y. and Jacobs, W. W. and Jaegle, I. and Jia, S. and Jin, Y. and Julius, T. and Kim, D. Y. and Kim, H. J. and Kim, J. B. and Kim, K. T. and Kim, S. H. and Kinoshita, K. and Korpar, S. and Kotchetkov, D. and Križan, P. and Kroeger, R. and Krokovny, P. and Kuhr, T. and Kulasiri, R. and Kumita, T. and Kwon, Y. -J. and Lange, J. S. and Lee, I. S. and Lee, S. C. and Li, L. K. and Li, Y. and Li Gioi, L. and Libby, J. and Liventsev, D. and Lubej, M. and Masuda, M. and Merola, M. and Miyabayashi, K. and Miyata, H. and Mizuk, R. and Moon, H. K. and Mussa, R. and Nakano, E. and Nakao, M. and Nanut, T. and Nath, K. J. and Nayak, M. and Niiyama, M. and Nishida, S. and Ono, H. and Pakhlov, P. and Pakhlova, G. and Pal, B. and Pardi, S. and Park, H. and Paul, S. and Pedlar, T. K. and Pestotnik, R. and Piilonen, L. E. and Popov, V. and Ritter, M. and Rostomyan, A. and Russo, G. and Sahoo, D. and Sakai, Y. and Salehi, M. and Sandilya, S. and Santelj, L. and Sanuki, T. and Savinov, V. and Schneider, O. and Schnell, G. and Schwanda, C. and Schwartz, A. J. and Seino, Y. and Senyo, K. and Shebalin, V. and Shen, C. P. and Shibata, T. -A. and Shimizu, N. and Shiu, J. -G. and Simon, F. and Solovieva, E. and Starič, M. and Strube, J. F. and Sumihama, M. and Sumiyoshi, T. and Takizawa, M. and Tamponi, U. and Tanida, K. and Tenchini, F. and Trabelsi, K. and Uchida, M. and Uglov, T. and Unno, Y. and Uno, S. and Urquijo, P. and Usov, Y. and Van Hulse, C. and Varner, G. and Varvell, K. E. and Vinokurova, A. and Vorobyev, V. and Wang, B. and Wang, C. H. and Wang, M. -Z. and Wang, P. and Watanabe, M. and Widmann, E. and Won, E. and Ye, H. and Yusa, Y. and Zakharov, S. and Zhang, Z. P. and Zhilich, V. and Zhukova, V. and Zhulanov, V. and Zupanc, A. and Belle Collaboration},
abstractNote = {We report a measurement of the branching fractions of the decays B→D(*)πℓv. The analysis uses 772×106 $B\overline{B}$ pairs produced in e+e-→Y(4S) data recorded by the Belle experiment at the KEKB asymmetric-energy e+e- collider. The tagging B meson in the decay is fully reconstructed in a hadronic decay mode. On the signal side, we reconstruct the decay B→D(*)πℓv(l=e,μ). The measured branching fractions are B(B+→D-π+ℓ+v) = [4.55±0.27 (stat.)±0.39 (syst.)]×10-3, B(B0→$\overline{D}$0π-ℓ+ν)=[4.05±0.36 (stat.)±0.41 (syst.)]×10-3, B(B+→D*-π+ℓ+ν)=[6.03±0.43 (stat.)±0.38 (syst.)]×10-3, and B(B0→$\overline{D}$*0π-ℓ+ν)=[6.46±0.53 (stat.)±0.52 (syst.)]×10-3. These are in good agreement with the current world-average values.},
doi = {10.1103/PhysRevD.98.012005},
journal = {Physical Review. D.},
number = 1,
volume = 98,
place = {United States},
year = {Mon Jul 30 00:00:00 EDT 2018},
month = {Mon Jul 30 00:00:00 EDT 2018}
}
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Figures / Tables:

TABLE I TABLE I: Results for the combined fit $B$+ → $D$−$π$+$ℓ$+$ν$ and $B$+ → $D$*−$π$+$ℓ$+$ν$
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    TABLE II (p. 7)table
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