Measurement of σ (pp → b(b)over-barX) at √s=7 TeV in the forward region

被引:145
作者
Aaij, R. [24 ]
Beteta, C. Abellan [36 ]
Adeva, B. [37 ]
Adinolfi, M. [43 ]
Adrover, C. [7 ]
Affolder, A. [49 ]
Agari, M. [11 ]
Ajaltouni, Z. [6 ]
Albrecht, J. [38 ]
Alessio, F. [7 ,38 ]
Alexander, M. [48 ]
Alfonsi, M. [19 ]
Alvarez Cartelle, P. [37 ]
Alves, A. A., Jr. [23 ]
Amato, S. [3 ]
Amhis, Y. [39 ]
Amoraal, J. [24 ]
Anderson, J. [40 ]
Nobrega, R. Antunes [23 ]
Appleby, R. [51 ]
Gutierrez, O. Aquines [11 ]
Arefyev, A. [31 ]
Arrabito, L. [53 ]
Artuso, M. [1 ]
Aslanides, E. [7 ]
Auriemma, G. [2 ,23 ]
Bachmann, S. [12 ]
Bagaturia, Y. [12 ]
Bailey, D. S. [51 ]
Balagura, V. [31 ,38 ]
Baldini, W. [17 ]
Barber, G. [50 ]
Barham, C. [44 ]
Barlow, R. J. [51 ]
Barsuk, S. [8 ]
Basiladze, S. [32 ]
Bates, A. [48 ]
Bauer, C. [11 ]
Bauer, Th. [24 ]
Bay, A. [39 ]
Bediaga, I. [2 ]
Bellunato, T. [21 ]
Belous, K. [35 ]
Belyaev, I. [24 ,31 ]
Benayoun, M. [9 ]
Bencivenni, G. [19 ]
Bernet, R. [40 ]
Bernhard, R. P. [40 ]
Bettler, M. -O [18 ,38 ]
van Beuzekom, M. [24 ]
机构
[1] Syracuse Univ, Syracuse, NY 13244 USA
[2] CBPF, Rio De Janeiro, Brazil
[3] Univ Fed Rio de Janeiro, Rio de Janeiro, Brazil
[4] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China
[5] Univ Savoie, LAPP, CNRS, IN2P3, Annecy Le Vieux, France
[6] Univ Blaise Pascal, Clermont Univ, CNRS, IN2P3,LPC, Clermont Ferrand, France
[7] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France
[8] Univ Paris 11, CNRS, IN2P3, LAL, F-91405 Orsay, France
[9] Univ Paris Diderot, Univ Paris 06, CNRS, IN2P3,LPNHE, Paris, France
[10] Tech Univ Dortmund, Fak Phys, Dortmund, Germany
[11] MPIK, Heidelberg, Germany
[12] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany
[13] Univ Coll Dublin, Sch Phys, Dublin 2, Ireland
[14] Sez INFN Bari, Bari, Italy
[15] Sez INFN Bologna, Bologna, Italy
[16] Sez INFN Cagliari, Cagliari, Italy
[17] Sez INFN Ferrara, Ferrara, Italy
[18] Sez INFN Firenze, Florence, Italy
[19] Lab Nazl INFN Frascati, Frascati, Italy
[20] Sez INFN Genova, Genoa, Italy
[21] Sez INFN Milano Bicocca, Milan, Italy
[22] Sez INFN Roma Tor Vergata, Rome, Italy
[23] Sez INFN Roma Sapienza, Rome, Italy
[24] Nikhef Natl Inst Subatom Phys, Amsterdam, Netherlands
[25] Vrije Univ Amsterdam, Amsterdam, Netherlands
[26] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland
[27] Fac Phys & Appl Comp Sci, Krakow, Poland
[28] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland
[29] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania
[30] PNPI, Gatchina, Russia
[31] ITEP, Moscow, Russia
[32] Moscow MV Lomonosov State Univ, Inst Nucl Phys, Moscow, Russia
[33] Russian Acad Sci, Inst Nucl Res, Moscow, Russia
[34] BINP, Novosibirsk, Russia
[35] Inst High Energy Phys, Protvino, Russia
[36] Univ Barcelona, Barcelona, Spain
[37] Univ Santiago de Compostela, Santiago De Compostela, Spain
[38] European Org Nucl Res CERN, Geneva, Switzerland
[39] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland
[40] Univ Zurich, Inst Phys, Zurich, Switzerland
[41] NSC KIPT, Kharkov, Ukraine
[42] Natl Acad Sci KINR, Inst Nucl Res, Kiev, Ukraine
[43] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England
[44] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England
[45] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England
[46] STFC Rutherford Appleton Lab, Didcot, Oxon, England
[47] Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland
[48] Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland
[49] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England
[50] Univ London Imperial Coll Sci Technol & Med, London, England
关键词
LHC; b-quark; Cross-section; PRODUCTION CROSS-SECTION; BOTTOM-QUARK PRODUCTION; P(P)OVER-BAR COLLISIONS;
D O I
10.1016/j.physletb.2010.10.010
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
Decays of b hadrons into final states containing a D-0 meson and a muon are used to measure the b (b) over bar; production cross-section in proton-proton collisions at a centre-of-mass energy of 7 TeV at the LHC. In the pseudorapidity interval 2 < eta < 6 and integrated over all transverse momenta we find that the average cross-section to produce b-flavoured or (b) over bar -flavoured hadrons is (75.3 +/- 5.4 +/- 13.0) mu b. (C) 2010 CERN. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:209 / 216
页数:8
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