@article{3173955, title = "Measurement of the production cross section of a W boson in association with two b jets in pp collisions at root s=8TeV", author = "Khachatryan, V. and Sirunyan, A. M. and Tumasyan, A. and Adam, W. and and Asilar, E. and Bergauer, T. and Brandstetter, J. and Brondolin, E. and and Dragicevic, M. and Eroe, J. and Flechl, M. and Friedl, M. and and Fruehwirth, R. and Ghete, V. M. and Hartl, C. and Hoermann, N. and and Hrubec, J. and Jeitler, M. and Koenig, A. and Kraetschmer, I. and Liko, and D. and Matsushita, T. and Mikulec, I. and Rabady, D. and Rad, N. and and Rahbaran, B. and Rohringer, H. and Schieck, J. and Strauss, J. and and Treberer-Treberspurg, W. and Waltenberger, W. and Wulz, C. -E. and and Mossolov, V. and Shumeiko, N. and Gonzalez, J. Suarez and Alderweireldt, and S. and De Wolf, E. 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H. and and Taylor, D. and Woods, N. and CMS Collaboration", journal = "The European Physical Journal C - Particles and Fields", year = "2017", volume = "77", number = "2", publisher = "Springer-Verlag", issn = "1434-6044, 1434-6052", doi = "10.1140/epjc/s10052-016-4573-z", abstract = "The production cross section of a W boson in association with two b jets is measured using a sample of proton-proton collisions at root s = 8 TeV collected by the CMS experiment at the CERN LHC. The data sample corresponds to an integrated luminosity of 19.8 fb(-1). The W bosons are reconstructed via their leptonic decays, W -> l(v) where l = mu or e. The fiducial region studied contains exactly one lepton with transverse momentum pT(l) > 30 GeV and pseudorapidity |eta(l)| < 2.1, with exactly two b jets with pT > 25 GeV and |eta(l)| < 2.4 and no other jets with pT > 25 GeV and |eta(l)| < 4.7. The cross section is measured to be sigma(pp -> W(lv)+b<(b)over bar>) = 0.64 +/- 0.03 (stat) +/- 0.10 (syst) +/- 0.06 (theo) +/- 0.02 (lumi) pb, in agreement with standard model predictions." }