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Determination of the Ratio of b-Quark Fragmentation Fractions f(s)/f(d) in pp Collisions at √s=7  TeV with the ATLAS Detector.

Publication ,  Journal Article
Aad, G; Abbott, B; Abdallah, J; Abdinov, O; Aben, R; Abolins, M; AbouZeid, OS; Abramowicz, H; Abreu, H; Abreu, R; Abulaiti, Y; Acharya, BS ...
Published in: Physical review letters
December 2015

With an integrated luminosity of 2.47  fb(-1) recorded by the ATLAS experiment at the LHC, the exclusive decays B(s)(0)→J/ψϕ and B(d)(0)→J/ψK(*0) of B mesons produced in pp collisions at √s=7  TeV are used to determine the ratio of fragmentation fractions f(s)/f(d). From the observed B(s)(0)→J/ψϕ and B(d)(0)→J/ψK(*0) yields, the quantity (f(s)/f(d))[B(B(s)(0)→J/ψϕ)/B(B(d)(0)→J/ψK(*0))] is measured to be 0.199±0.004(stat)±0.008(syst). Using a recent theory prediction for [B(B(s)(0)→J/ψϕ)/B(B(d)(0)→J/ψK(*0))] yields (f(s)/f(d))=0.240±0.004(stat)±0.010(syst)±0.017(th). This result is based on a new approach that provides a significant improvement of the world average.

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Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

December 2015

Volume

115

Issue

26

Start / End Page

262001

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences
 

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Aad, G., Abbott, B., Abdallah, J., Abdinov, O., Aben, R., Abolins, M., … Colombo, T. (2015). Determination of the Ratio of b-Quark Fragmentation Fractions f(s)/f(d) in pp Collisions at √s=7  TeV with the ATLAS Detector. Physical Review Letters, 115(26), 262001. https://doi.org/10.1103/physrevlett.115.262001
Aad, G., B. Abbott, J. Abdallah, O. Abdinov, R. Aben, M. Abolins, O. S. AbouZeid, et al. “Determination of the Ratio of b-Quark Fragmentation Fractions f(s)/f(d) in pp Collisions at √s=7  TeV with the ATLAS Detector.Physical Review Letters 115, no. 26 (December 2015): 262001. https://doi.org/10.1103/physrevlett.115.262001.
Aad G, Abbott B, Abdallah J, Abdinov O, Aben R, Abolins M, et al. Determination of the Ratio of b-Quark Fragmentation Fractions f(s)/f(d) in pp Collisions at √s=7  TeV with the ATLAS Detector. Physical review letters. 2015 Dec;115(26):262001.
Aad, G., et al. “Determination of the Ratio of b-Quark Fragmentation Fractions f(s)/f(d) in pp Collisions at √s=7  TeV with the ATLAS Detector.Physical Review Letters, vol. 115, no. 26, Dec. 2015, p. 262001. Epmc, doi:10.1103/physrevlett.115.262001.
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Bechtle P, Beck HP, Becker K, Becker M, Becker S, Beckingham M, Becot C, Beddall AJ, Beddall A, Bednyakov VA, Bee CP, Beemster LJ, Beermann TA, Begel M, Behr JK, Belanger-Champagne C, Bell WH, Bella G, Bellagamba L, Bellerive A, Bellomo M, Belotskiy K, Beltramello O, Benary O, Benchekroun D, Bender M, Bendtz K, Benekos N, Benhammou Y, Benhar Noccioli E, Benitez Garcia JA, Benjamin DP, Bensinger JR, Bentvelsen S, Beresford L, Beretta M, Berge D, Bergeaas Kuutmann E, Berger N, Berghaus F, Beringer J, Bernard C, Bernard NR, Bernius C, Bernlochner FU, Berry T, Berta P, Bertella C, Bertoli G, Bertolucci F, Bertsche C, Bertsche D, Besana MI, Besjes GJ, Bessidskaia Bylund O, Bessner M, Besson N, Betancourt C, Bethke S, Bevan AJ, Bhimji W, Bianchi RM, Bianchini L, Bianco M, Biebel O, Biedermann D, Bieniek SP, Biglietti M, Bilbao De Mendizabal J, Bilokon H, Bindi M, Binet S, Bingul A, Bini C, Biondi S, Black CW, Black JE, Black KM, Blackburn D, Blair RE, Blanchard J-B, Blanco JE, Blazek T, 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Burckhart H, Burdin S, Burgard CD, Burghgrave B, Burke S, Burmeister I, Busato E, Büscher D, Büscher V, Bussey P, Butler JM, Butt AI, Buttar CM, Butterworth JM, Butti P, Buttinger W, Buzatu A, Buzykaev AR, Cabrera Urbán S, Caforio D, Cairo VM, Cakir O, Calace N, Calafiura P, Calandri A, Calderini G, Calfayan P, Caloba LP, Calvet D, Calvet S, Camacho Toro R, Camarda S, Camarri P, Cameron D, Caminal Armadans R, Campana S, Campanelli M, Campoverde A, Canale V, Canepa A, Cano Bret M, Cantero J, Cantrill R, Cao T, Capeans Garrido MDM, Caprini I, Caprini M, Capua M, Caputo R, Cardarelli R, Cardillo F, Carli T, Carlino G, Carminati L, Caron S, Carquin E, Carrillo-Montoya GD, Carter JR, Carvalho J, Casadei D, Casado MP, Casolino M, Castaneda-Miranda E, Castelli A, Castillo Gimenez V, Castro NF, Catastini P, Catinaccio A, Catmore JR, Cattai A, Caudron J, Cavaliere V, Cavalli D, Cavalli-Sforza M, Cavasinni V, Ceradini F, Cerio BC, Cerny K, Cerqueira AS, Cerri A, Cerrito L, Cerutti F, Cerv M, 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Determination of the Ratio of b-Quark Fragmentation Fractions f(s)/f(d) in pp Collisions at √s=7  TeV with the ATLAS Detector. Physical review letters. 2015 Dec;115(26):262001.

Published In

Physical review letters

DOI

EISSN

1079-7114

ISSN

0031-9007

Publication Date

December 2015

Volume

115

Issue

26

Start / End Page

262001

Related Subject Headings

  • General Physics
  • 51 Physical sciences
  • 49 Mathematical sciences
  • 40 Engineering
  • 09 Engineering
  • 02 Physical Sciences
  • 01 Mathematical Sciences