Observation of the B+ →d∗-K+π+ decay

R. Aaij; B. Adeva; M. Adinolfi; Z. Ajaltouni; S. Akar; J. Albrecht; F. Alessio; M. Alexander; S. Ali; G. Alkhazov; P. Alvarez Cartelle; A. A. Alves; S. Amato; S. Amerio; Y. Amhis; L. An; L. Anderlini; G. Andreassi; M. Andreotti; J. E. Andrews; R. B. Appleby; F. Archilli; P. D'Argent; J. Arnau Romeu; A. Artamonov; M. Artuso; E. Aslanides; G. Auriemma; I. Babuschkin; W. Barter; A. Bitadze; S. Borghi; J. Brodzicka; C. Burr; L. Capriotti; S. De Capua; G. Dujany; E. Gersabeck; M. Gersabeck; L. Grillo; J. Harrison; C. Hombach; S. Klaver; G. Lafferty; K. Maguire; A. McNab; C. Parkes; A. Pearce; S. Reichert; P. Rodriguez Perez; LHCb Collaboration

doi:10.1103/PhysRevD.96.011101

Observation of the B+ →d∗-K+π+ decay

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni, S. Akar, J. Albrecht, F. Alessio, M. Alexander, S. Ali, G. Alkhazov, P. Alvarez Cartelle, A. A. Alves, S. Amato, S. Amerio, Y. Amhis, L. An, L. Anderlini, G. Andreassi, M. Andreotti, J. E. AndrewsR. B. Appleby, F. Archilli, P. D'Argent, J. Arnau Romeu, A. Artamonov, M. Artuso, E. Aslanides, G. Auriemma, I. Babuschkin, W. Barter, A. Bitadze, S. Borghi, J. Brodzicka, C. Burr, L. Capriotti, S. De Capua, G. Dujany, E. Gersabeck, M. Gersabeck, L. Grillo, J. Harrison, C. Hombach, S. Klaver, G. Lafferty, K. Maguire, A. McNab, C. Parkes, A. Pearce, S. Reichert, P. Rodriguez Perez, LHCb Collaboration

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

Abstract

The B+→D∗-K+π+ decay potentially provides an excellent way to investigate charm meson spectroscopy. The decay is searched for in a sample of proton-proton collision data collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb-1. A clear signal is observed, and the ratio of its branching fraction to that of the B+→D∗-π+π+ normalization channel is measured to be B(B+→D∗-K+π+)/B(B+→D∗-π+π+)=(6.39±0.27±0.48)×10-2, where the first uncertainty is statistical and the second is systematic. This is the first observation of the B+→D∗-K+π+ decay.

Original language	English
Article number	011101
Journal	Physical Review D
Volume	96
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevD.96.011101
Publication status	Published - 1 Jul 2017

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Aaij, R., Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Alvarez Cartelle, P., Alves, A. A., Amato, S., Amerio, S., Amhis, Y., An, L., Anderlini, L., Andreassi, G., Andreotti, M., ... LHCb Collaboration (2017). Observation of the B+ →d∗-K+π+ decay. Physical Review D, 96(1), Article 011101. https://doi.org/10.1103/PhysRevD.96.011101

@article{b05c904d62f84a708af8fedf066fcc21,

title = "Observation of the B+ →d∗-K+π+ decay",

abstract = "The B+→D∗-K+π+ decay potentially provides an excellent way to investigate charm meson spectroscopy. The decay is searched for in a sample of proton-proton collision data collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb-1. A clear signal is observed, and the ratio of its branching fraction to that of the B+→D∗-π+π+ normalization channel is measured to be B(B+→D∗-K+π+)/B(B+→D∗-π+π+)=(6.39±0.27±0.48)×10-2, where the first uncertainty is statistical and the second is systematic. This is the first observation of the B+→D∗-K+π+ decay.",

author = "R. Aaij and B. Adeva and M. Adinolfi and Z. Ajaltouni and S. Akar and J. Albrecht and F. Alessio and M. Alexander and S. Ali and G. Alkhazov and {Alvarez Cartelle}, P. and Alves, {A. A.} and S. Amato and S. Amerio and Y. Amhis and L. An and L. Anderlini and G. Andreassi and M. Andreotti and Andrews, {J. E.} and Appleby, {R. B.} and F. Archilli and P. D'Argent and {Arnau Romeu}, J. and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and I. Babuschkin and W. Barter and A. Bitadze and S. Borghi and J. Brodzicka and C. Burr and L. Capriotti and {De Capua}, S. and G. Dujany and E. Gersabeck and M. Gersabeck and L. Grillo and J. Harrison and C. Hombach and S. Klaver and G. Lafferty and K. Maguire and A. McNab and C. Parkes and A. Pearce and S. Reichert and {Rodriguez Perez}, P. and {LHCb Collaboration}",

year = "2017",

month = jul,

day = "1",

doi = "10.1103/PhysRevD.96.011101",

language = "English",

volume = "96",

journal = "Physical Review D",

issn = "2470-0010",

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Aaij, R, Adeva, B, Adinolfi, M, Ajaltouni, Z, Akar, S, Albrecht, J, Alessio, F, Alexander, M, Ali, S, Alkhazov, G, Alvarez Cartelle, P, Alves, AA, Amato, S, Amerio, S, Amhis, Y, An, L, Anderlini, L, Andreassi, G, Andreotti, M, Andrews, JE, Appleby, RB, Archilli, F, D'Argent, P, Arnau Romeu, J, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Babuschkin, I, Barter, W, Bitadze, A, Borghi, S, Brodzicka, J, Burr, C, Capriotti, L, De Capua, S, Dujany, G, Gersabeck, E , Gersabeck, M, Grillo, L, Harrison, J, Hombach, C, Klaver, S, Lafferty, G, Maguire, K, McNab, A, Parkes, C, Pearce, A, Reichert, S, Rodriguez Perez, P & LHCb Collaboration 2017, 'Observation of the B+ →d∗-K+π+ decay', Physical Review D, vol. 96, no. 1, 011101. https://doi.org/10.1103/PhysRevD.96.011101

TY - JOUR

T1 - Observation of the B+ →d∗-K+π+ decay

AU - Aaij, R.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Ali, S.

AU - Alkhazov, G.

AU - Alvarez Cartelle, P.

AU - Alves, A. A.

AU - Amato, S.

AU - Amerio, S.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andreassi, G.

AU - Andreotti, M.

AU - Andrews, J. E.

AU - Appleby, R. B.

AU - Archilli, F.

AU - D'Argent, P.

AU - Arnau Romeu, J.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Auriemma, G.

AU - Babuschkin, I.

AU - Barter, W.

AU - Bitadze, A.

AU - Borghi, S.

AU - Brodzicka, J.

AU - Burr, C.

AU - Capriotti, L.

AU - De Capua, S.

AU - Dujany, G.

AU - Gersabeck, E.

AU - Gersabeck, M.

AU - Grillo, L.

AU - Harrison, J.

AU - Hombach, C.

AU - Klaver, S.

AU - Lafferty, G.

AU - Maguire, K.

AU - McNab, A.

AU - Parkes, C.

AU - Pearce, A.

AU - Reichert, S.

AU - Rodriguez Perez, P.

AU - LHCb Collaboration

PY - 2017/7/1

Y1 - 2017/7/1

N2 - The B+→D∗-K+π+ decay potentially provides an excellent way to investigate charm meson spectroscopy. The decay is searched for in a sample of proton-proton collision data collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb-1. A clear signal is observed, and the ratio of its branching fraction to that of the B+→D∗-π+π+ normalization channel is measured to be B(B+→D∗-K+π+)/B(B+→D∗-π+π+)=(6.39±0.27±0.48)×10-2, where the first uncertainty is statistical and the second is systematic. This is the first observation of the B+→D∗-K+π+ decay.

AB - The B+→D∗-K+π+ decay potentially provides an excellent way to investigate charm meson spectroscopy. The decay is searched for in a sample of proton-proton collision data collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3 fb-1. A clear signal is observed, and the ratio of its branching fraction to that of the B+→D∗-π+π+ normalization channel is measured to be B(B+→D∗-K+π+)/B(B+→D∗-π+π+)=(6.39±0.27±0.48)×10-2, where the first uncertainty is statistical and the second is systematic. This is the first observation of the B+→D∗-K+π+ decay.

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U2 - 10.1103/PhysRevD.96.011101

DO - 10.1103/PhysRevD.96.011101

M3 - Article

AN - SCOPUS:85027222910

SN - 2470-0010

VL - 96

JO - Physical Review D

JF - Physical Review D

IS - 1

M1 - 011101

ER -

Observation of the B+ →d∗-K+π+ decay

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