Measurement of the B± production cross-section in pp collisions at √s=7 TeV

被引：0

作者：

Aaij, R. ^{[1
]}

Abellan Beteta, C. ^{[35
]}

Adeva, B. ^{[36
]}

Adinolfi, M. ^{[44
]}

Adrover, C. ^{[7
]}

Affolder, A. ^{[50
]}

Ajaltouni, Z. ^{[6
]}

Albrecht, J. ^{[37
]}

Alessio, F. ^{[37
]}

Alexander, M. ^{[49
]}

Alkhazov, G. ^{[28
]}

Alvarez Cartelle, P. ^{[36
]}

Alves, A. A., Jr. ^{[23
]}

Amato, S. ^{[3
]}

Amhis, Y. ^{[38
]}

Anderson, J. ^{[39
]}

Appleby, R. B. ^{[52
]}

Gutierrez, O. Aquines ^{[11
]}

Archilli, F. ^{[19
,37
]}

Arrabito, L. ^{[56
]}

Artamonov, A. ^{[34
]}

Artuso, M. ^{[37
,54
]}

Aslanides, E. ^{[7
]}

Auriemma, G. ^{[23
]}

Bachmann, S. ^{[12
]}

Back, J. J. ^{[46
]}

Bailey, D. S. ^{[52
]}

Balagura, V. ^{[29
,37
]}

Baldini, W. ^{[17
]}

Barlow, R. J. ^{[52
]}

Barschel, C. ^{[37
]}

Barsuk, S. ^{[8
]}

Barter, W. ^{[45
]}

Bates, A. ^{[49
]}

Bauer, C. ^{[11
]}

Bauer, Th. ^{[1
]}

Bay, A. ^{[38
]}

Bediaga, I. ^{[2
]}

Belogurov, S. ^{[29
]}

Belous, K. ^{[34
]}

Belyaev, I. ^{[29
]}

Ben-Haim, E. ^{[9
]}

Benayoun, M. ^{[9
]}

Bencivenni, G. ^{[19
]}

Benson, S. ^{[48
]}

Benton, J. ^{[44
]}

Bernet, R. ^{[39
]}

Bettler, M-O. ^{[18
]}

van Beuzekom, M. ^{[1
]}

Bien, A. ^{[12
]}

机构：

[1] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands

[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 Savoic, 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, LAL, IN2P3, F-91405 Orsay, France

[9] Univ Paris Diderot, LPNHE, Univ Paris 06, CNRS,IN2P3, Paris, France

[10] Tech Univ Dortmund, Fak Phys, Dortmund, Germany

[11] Max Planck Inst Kernphys, D-69117 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] INFN Frascati, Lab Nazl, 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] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

[25] AGH Univ Sci & Technol, Krakow, Poland

[26] Soltan Inst Nucl Studies, PL-00681 Warsaw, Poland

[27] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[28] PNPI, Gatchina, Russia

[29] Inst Theoret & Expt Phys, Moscow 117259, Russia

[30] Moscow State Univ SINP MSU, Inst Nucl Phys, Moscow, Russia

[31] Russian Acad Sci INR RAN, Inst Nucl Res, Moscow, Russia

[32] Novosibirsk State Univ, Novosibirsk 630090, Russia

[33] Budker Inst Nucl Phys SB RAS, Novosibirsk, Russia

[34] Inst High Energy Phys, Protvino, Russia

[35] Univ Barcelona, Barcelona, Spain

[36] Univ Santiago Compostela, Santiago De Compostela, Spain

[37] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[38] Ecole Polytech Fed Lausanne, CH-1015 Lausanne, Switzerland

[39] Univ Zurich, Inst Phys, Zurich, Switzerland

[40] Vrije Univ, Amsterdam, Netherlands

[41] NSC KIPT, Kharkov, Ukraine

[42] Natl Acad Sci KINR, Inst Nucl Res, Kiev, Ukraine

[43] Univ Birmingham, Birmingham, W Midlands, England

[44] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[45] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

[46] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[47] STFC Rutherford Appleton Lab, Didcot, Oxon, England

[48] Univ Edinburgh, Sch Phys & Astron, Edinburgh, Midlothian, Scotland

[49] Univ Glasgow, Sch Phys & Astron, Glasgow, Lanark, Scotland

[50] Univ Liverpool, Oliver Lodge Lab, Liverpool L69 3BX, Merseyside, England

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2012年 / 04期

关键词：

Hadron-Hadron Scattering; DECAY;

D O I：

10.1007/JHEP04(2012)093

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The production of B-+/- mesons in proton-proton collisions at root s = 7 TeV is studied using 35 pb(-1) of data collected by the LHCb detector. The B-+/- mesons are reconstructed exclusively in the B-+/- -> J/(sic)K-+/- mode, with J/(sic) -> mu(+)mu(-). The differential production cross-section is measured as a function of the B-+/- transverse momentum in the fiducial region 0 < p(T) < 40 GeV/c and with rapidity 2.0 < y < 4.5. The total cross-section, summing up B+ and B-, is measured to be sigma(pp -> B-+/- X, 0 < p(T) < 40 GeV/c, 2.0 < y < 4.5) = 41.4 +/- 1.5 (stat.) +/- 3.1 (syst.) mu b.

引用

页数：13

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