Measurement of the B(+) production cross section in pp collisions at sqrt[s]=7  TeV.


Measurements of the total and differential cross sections dσ/dp(T)(B) and dσ/dy(B) for B(+) mesons produced in pp collisions at sqrt[s]=7  TeV are presented. The data correspond to an integrated luminosity of 5.8  pb(-1) collected by the CMS experiment operating at the LHC. The exclusive decay B(+)→J/ψK(+), with J/ψ→μ(+)μ(-), is used to detect B(+) mesons and to measure the production cross section as a function of p(T)(B) and y(B). The total cross section for p(T)(B)>5  GeV and |y(B)|<2.4 is measured to be 28.1±2.4±2.0±3.1  μb, where the first uncertainty is statistical, the second is systematic, and the last is from the luminosity measurement.

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@article{Khachatryan2011MeasurementOT, title={Measurement of the B(+) production cross section in pp collisions at sqrt[s]=7  TeV.}, author={Vladimir Khachatryan and A . M . Sirunyan and A. Tumasyan and Wahib Adam and T . Bergauer and Marija Dragicevic and J. Er{\"{o} and Ch. Fabjan and Matthias Friedl and R. Fr{\"{u}hwirth and V . M . Ghete and Jiř{\'i} Hammer and Sophie H{\"a}nsel and Charlotte Hartl and Michael Hoch and Natascha H{\"{o}rmann and J . Hrubec and Manfred Jeitler and Gregor Kasieczka and W. Kiesenhofer and Manfred Krammer and Dietrich Liko and Ivan Mikulec and M . Pernicka and H. Rohringer and R. Sch{\"{o}fbeck and Joachim Strauss and A . Taurok and Florian Teischinger and Patrick Wagner and Wolfgang Waltenberger and Gertraud Walzel and E . Widl and C . - E . Wulz and V . A . Mossolov and N. Shumeiko and J R Su{\'a}rez Gonz{\'a}lez and L. Benucci and Karel {\vC}ern{\'y} and E. A. De Wolf and Xavier Janssen and Thomas Maes and L. 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Kluge and Axel Knutsson and Dirk Kr{\"{u}cker and Elizaveta Kuznetsova and Winfried Lange and Wolfgang Lohmann and Rainer Mankel and M. Marienfeld and I-A Melzer-Pellmann and Joachim Mnich and A . Mussgiller and J . Olzem and Angela Parenti and Alexei Raspereza and Alpan Raval and Reinhold Schmidt and Thomas Schoerner-Sadenius and Nabendu Sen and Moshe Efraim Stein and Jolanta Tomaszewska and D . Volyanskyy and Raoul A. Walsh and Ch . Wissing and Christian Autermann and S. Bobrovskyi and J{\"{o}rg Draeger and H. Enderle and U. Gebbert and K. Kaschube and G . Kaussen and R. Klanner and Jens S{\"{o}ren Lange and Benedikt Mura and S. Naumann-Emme and Franz G Nowak and N. Pietsch and Chantal Sander and Helmut Schettler and P. Schleper and Michael Schroeder and Tom Schum and Joern Schwandt and Abhishek K Srivastava and H. Stadie and Gary Steinbrueck and Jennifer Thomsen and Robert Erich Wolf and Carsten Barth and J{\"{u}rgen Bauer and Volker B{\"{u}ge and T . Chwalek and Wietse de Boer and Alexander Dierlamm and Gabriele Dirkes and Michael Feindt and J Gruschke and C. Hackstein and Francis X. Hartmann and S M Heindl and Markus Heinrich and Hermann Held and Karl Heinz Hoffmann and S Honc and T. Kuhr and D Martschei and Susanne Mueller and Thomas H. M{\"{u}ller and Michael Niegel and Oliver Oberst and Aandreas Oehler and J{\"{u}rg Ott and Th Peiffer and Danilo Piparo and Germano R. Quast and K. Rabbertz and Fedor Ratnikov and M Renz and Christelle Saout and A. Herrmann Scheurer and Philipp Schieferdecker and F . - P . Schilling and Gerda Schott and H . - J . Simonis and F. M. Stober and David Troendle and Jeannine Wagner-Kuhr and Marc L Zeise and V . A . Zhukov and E B Ziebarth and Giorgos Daskalakis and T . Geralis and S . Kesisoglou}, journal={Physical review letters}, year={2011}, volume={106 11}, pages={112001} }