Study of beauty hadron decays into Pairs of charm hadrons

R. Aaij; A. Abba; B. Adeva; M. Adinolfi; A. Affolder; Z. Ajaltouni; 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; J. Anderson; R. Andreassen; M. Andreotti; J. E. Andrews; R. B. Appleby; O. Aquines Gutierrez; F. Archilli; A. Artamonov; M. Artuso; E. Aslanides; G. Auriemma; M. Baalouch; S. Bachmann; J. J. Back; A. Badalov; V. Balagura; W. Baldini; R. J. Barlow; C. Barschel; S. Barsuk; W. Barter; V. Batozskaya; T. Bauer; A. Bay; J. Beddow; F. Bedeschi; I. Bediaga; S. Belogurov; K. Belous; I. Belyaev; E. Ben-Haim; G. Bencivenni; S. Benson; J. Benton; A. Berezhnoy; R. Bernet; M. O. Bettler; M. Van Beuzekom; A. Bien; S. Bifani; T. Bird; A. Bizzeti; P. M. Bjørnstad; T. Blake; F. Blanc; J. Blouw; S. Blusk; V. Bocci; A. Bondar; N. Bondar; W. Bonivento; S. Borghi; A. Borgia; M. Borsato; T. J.V. Bowcock; E. Bowen; C. Bozzi; T. Brambach; J. Van Den Brand; J. Bressieux; D. Brett; M. Britsch; T. Britton; N. H. Brook; H. Brown; A. Bursche; G. Busetto; J. Buytaert; S. Cadeddu; R. Calabrese; O. Callot; M. Calvi

doi:10.1103/PhysRevLett.112.202001

Study of beauty hadron decays into Pairs of charm hadrons

R. Aaij, A. Abba, B. Adeva, M. Adinolfi, A. Affolder, Z. Ajaltouni, 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, J. Anderson, R. AndreassenM. Andreotti, J. E. Andrews, R. B. Appleby, O. Aquines Gutierrez, F. Archilli, A. Artamonov, M. Artuso, E. Aslanides, G. Auriemma, M. Baalouch, S. Bachmann, J. J. Back, A. Badalov, V. Balagura, W. Baldini, R. J. Barlow, C. Barschel, S. Barsuk, W. Barter, V. Batozskaya, T. Bauer, A. Bay, J. Beddow, F. Bedeschi, I. Bediaga, S. Belogurov, K. Belous, I. Belyaev, E. Ben-Haim, G. Bencivenni, S. Benson, J. Benton, A. Berezhnoy, R. Bernet, M. O. Bettler, M. Van Beuzekom, A. Bien, S. Bifani, T. Bird, A. Bizzeti, P. M. Bjørnstad, T. Blake, F. Blanc, J. Blouw, S. Blusk, V. Bocci, A. Bondar, N. Bondar, W. Bonivento, S. Borghi, A. Borgia, M. Borsato, T. J.V. Bowcock, E. Bowen, C. Bozzi, T. Brambach, J. Van Den Brand, J. Bressieux, D. Brett, M. Britsch, T. Britton, N. H. Brook, H. Brown, A. Bursche, G. Busetto, J. Buytaert, S. Cadeddu, R. Calabrese, O. Callot, M. Calvi

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Abstract

First observations of the decays Λ ⁰ _b → Λ _c+D ^- _(s) are reported using data corresponding to an integrated luminosity of 3 fb ^-1 collected at 7 and 8 TeV center-of-mass energies in proton-proton collisions with the LHCb detector. In addition, the most precise measurement of the branching fraction B(B ⁰ _s → D ⁺D ^- _s) is made and a search is performed for the decays B ⁰ _(s) → Λ _c ⁺Λ _c ^-. The results obtained are (Equastion presented) Measurement of the mass of the Λ ⁰ _b baryon relative to the B¯ ⁰ meson gives M(Λ ⁰ _b) - M(B¯ ⁰) = 339.72±0.24(stat) ± 0.18(syst) MeV=c ². This result provides the most precise measurement of the mass of the Λ _b ⁰ baryon to date.

Original language	English
Article number	202001
Journal	Physical Review Letters
Volume	112
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevLett.112.202001
Publication status	Published - 21 May 2014
Externally published	Yes

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.112.202001

https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84937644642&origin=inward

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Aaij, R., Abba, A., Adeva, B., Adinolfi, M., Affolder, A., Ajaltouni, Z., 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., Anderson, J., ... Calvi, M. (2014). Study of beauty hadron decays into Pairs of charm hadrons. Physical Review Letters, 112(20), Article 202001. https://doi.org/10.1103/PhysRevLett.112.202001

@article{319508b8bf6744c1b6471c54dc88bf2d,

title = "Study of beauty hadron decays into Pairs of charm hadrons",

abstract = "First observations of the decays Λ 0 b → Λ c+D - (s) are reported using data corresponding to an integrated luminosity of 3 fb -1 collected at 7 and 8 TeV center-of-mass energies in proton-proton collisions with the LHCb detector. In addition, the most precise measurement of the branching fraction B(B 0 s → D +D - s) is made and a search is performed for the decays B 0 (s) → Λ c +Λ c -. The results obtained are (Equastion presented) Measurement of the mass of the Λ 0 b baryon relative to the B¯ 0 meson gives M(Λ 0 b) - M(B¯ 0) = 339.72±0.24(stat) ± 0.18(syst) MeV=c 2. This result provides the most precise measurement of the mass of the Λ b 0 baryon to date. ",

author = "R. Aaij and A. Abba and B. Adeva and M. Adinolfi and A. Affolder and Z. Ajaltouni 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 J. Anderson and R. Andreassen and M. Andreotti and Andrews, {J. E.} and Appleby, {R. B.} and {Aquines Gutierrez}, O. and F. Archilli and A. Artamonov and M. Artuso and E. Aslanides and G. Auriemma and M. Baalouch and S. Bachmann and Back, {J. J.} and A. Badalov and V. Balagura and W. Baldini and Barlow, {R. J.} and C. Barschel and S. Barsuk and W. Barter and V. Batozskaya and T. Bauer and A. Bay and J. Beddow and F. Bedeschi and I. Bediaga and S. Belogurov and K. Belous and I. Belyaev and E. Ben-Haim and G. Bencivenni and S. Benson and J. Benton and A. Berezhnoy and R. Bernet and Bettler, {M. O.} and {Van Beuzekom}, M. and A. Bien and S. Bifani and T. Bird and A. Bizzeti and Bj{\o}rnstad, {P. M.} and T. Blake and F. Blanc and J. Blouw and S. Blusk and V. Bocci and A. Bondar and N. Bondar and W. Bonivento and S. Borghi and A. Borgia and M. Borsato and Bowcock, {T. J.V.} and E. Bowen and C. Bozzi and T. Brambach and {Van Den Brand}, J. and J. Bressieux and D. Brett and M. Britsch and T. Britton and Brook, {N. H.} and H. Brown and A. Bursche and G. Busetto and J. Buytaert and S. Cadeddu and R. Calabrese and O. Callot and M. Calvi",

year = "2014",

month = may,

day = "21",

doi = "10.1103/PhysRevLett.112.202001",

language = "English",

volume = "112",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "20",

}

Aaij, R, Abba, A, Adeva, B, Adinolfi, M, Affolder, A, Ajaltouni, Z, 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, Anderson, J, Andreassen, R, Andreotti, M, Andrews, JE, Appleby, RB, Aquines Gutierrez, O, Archilli, F, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Baalouch, M, Bachmann, S, Back, JJ, Badalov, A, Balagura, V, Baldini, W, Barlow, RJ, Barschel, C, Barsuk, S, Barter, W, Batozskaya, V, Bauer, T, Bay, A, Beddow, J, Bedeschi, F, Bediaga, I, Belogurov, S, Belous, K, Belyaev, I, Ben-Haim, E, Bencivenni, G, Benson, S, Benton, J, Berezhnoy, A, Bernet, R, Bettler, MO, Van Beuzekom, M, Bien, A, Bifani, S, Bird, T, Bizzeti, A, Bjørnstad, PM, Blake, T, Blanc, F, Blouw, J, Blusk, S, Bocci, V, Bondar, A, Bondar, N, Bonivento, W, Borghi, S, Borgia, A, Borsato, M, Bowcock, TJV, Bowen, E, Bozzi, C, Brambach, T, Van Den Brand, J, Bressieux, J, Brett, D, Britsch, M, Britton, T, Brook, NH, Brown, H, Bursche, A, Busetto, G, Buytaert, J, Cadeddu, S, Calabrese, R, Callot, O & Calvi, M 2014, 'Study of beauty hadron decays into Pairs of charm hadrons', Physical Review Letters, vol. 112, no. 20, 202001. https://doi.org/10.1103/PhysRevLett.112.202001

TY - JOUR

T1 - Study of beauty hadron decays into Pairs of charm hadrons

AU - Aaij, R.

AU - Abba, A.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Affolder, A.

AU - Ajaltouni, Z.

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 - Anderson, J.

AU - Andreassen, R.

AU - Andreotti, M.

AU - Andrews, J. E.

AU - Appleby, R. B.

AU - Aquines Gutierrez, O.

AU - Archilli, F.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Auriemma, G.

AU - Baalouch, M.

AU - Bachmann, S.

AU - Back, J. J.

AU - Badalov, A.

AU - Balagura, V.

AU - Baldini, W.

AU - Barlow, R. J.

AU - Barschel, C.

AU - Barsuk, S.

AU - Barter, W.

AU - Batozskaya, V.

AU - Bauer, T.

AU - Bay, A.

AU - Beddow, J.

AU - Bedeschi, F.

AU - Bediaga, I.

AU - Belogurov, S.

AU - Belous, K.

AU - Belyaev, I.

AU - Ben-Haim, E.

AU - Bencivenni, G.

AU - Benson, S.

AU - Benton, J.

AU - Berezhnoy, A.

AU - Bernet, R.

AU - Bettler, M. O.

AU - Van Beuzekom, M.

AU - Bien, A.

AU - Bifani, S.

AU - Bird, T.

AU - Bizzeti, A.

AU - Bjørnstad, P. M.

AU - Blake, T.

AU - Blanc, F.

AU - Blouw, J.

AU - Blusk, S.

AU - Bocci, V.

AU - Bondar, A.

AU - Bondar, N.

AU - Bonivento, W.

AU - Borghi, S.

AU - Borgia, A.

AU - Borsato, M.

AU - Bowcock, T. J.V.

AU - Bowen, E.

AU - Bozzi, C.

AU - Brambach, T.

AU - Van Den Brand, J.

AU - Bressieux, J.

AU - Brett, D.

AU - Britsch, M.

AU - Britton, T.

AU - Brook, N. H.

AU - Brown, H.

AU - Bursche, A.

AU - Busetto, G.

AU - Buytaert, J.

AU - Cadeddu, S.

AU - Calabrese, R.

AU - Callot, O.

AU - Calvi, M.

PY - 2014/5/21

Y1 - 2014/5/21

N2 - First observations of the decays Λ 0 b → Λ c+D - (s) are reported using data corresponding to an integrated luminosity of 3 fb -1 collected at 7 and 8 TeV center-of-mass energies in proton-proton collisions with the LHCb detector. In addition, the most precise measurement of the branching fraction B(B 0 s → D +D - s) is made and a search is performed for the decays B 0 (s) → Λ c +Λ c -. The results obtained are (Equastion presented) Measurement of the mass of the Λ 0 b baryon relative to the B¯ 0 meson gives M(Λ 0 b) - M(B¯ 0) = 339.72±0.24(stat) ± 0.18(syst) MeV=c 2. This result provides the most precise measurement of the mass of the Λ b 0 baryon to date.

AB - First observations of the decays Λ 0 b → Λ c+D - (s) are reported using data corresponding to an integrated luminosity of 3 fb -1 collected at 7 and 8 TeV center-of-mass energies in proton-proton collisions with the LHCb detector. In addition, the most precise measurement of the branching fraction B(B 0 s → D +D - s) is made and a search is performed for the decays B 0 (s) → Λ c +Λ c -. The results obtained are (Equastion presented) Measurement of the mass of the Λ 0 b baryon relative to the B¯ 0 meson gives M(Λ 0 b) - M(B¯ 0) = 339.72±0.24(stat) ± 0.18(syst) MeV=c 2. This result provides the most precise measurement of the mass of the Λ b 0 baryon to date.

UR - http://www.scopus.com/inward/record.url?scp=84937644642&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84937644642&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.112.202001

DO - 10.1103/PhysRevLett.112.202001

M3 - Article

SN - 0031-9007

VL - 112

JO - Physical Review Letters

JF - Physical Review Letters

IS - 20

M1 - 202001

ER -

Study of beauty hadron decays into Pairs of charm hadrons

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