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000152784 005__ 20211110121933.0
000152784 0247_ $$2arXiv$$aarXiv:1303.5900
000152784 0247_ $$2altmetric$$aaltmetric:1320870
000152784 0247_ $$2inspire$$ainspire:1225274
000152784 037__ $$aDESY-2013-00305
000152784 0881_ $$aarXiv:1303.5900; CMS-BPH-11-001; CERN-PH-EP-2012-373
000152784 088__ $$2arXiv$$aarXiv:1303.5900
000152784 088__ $$2CMS$$aCMS-BPH-11-001
000152784 088__ $$2CERN$$aCERN-PH-EP-2012-373
000152784 1001_ $$0P:(DE-HGF)0$$aCMS Collaboration$$b0$$eCollaboration author
000152784 245__ $$aMeasurement of the Y(1S), Y(2S), and Y(3S) cross sections in pp collisions at $\sqrt{s} = 7$ TeV
000152784 260__ $$c2013
000152784 3367_ $$2DRIVER$$apreprint
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000152784 3367_ $$2BibTeX$$aARTICLE
000152784 3367_ $$0PUB:(DE-HGF)15$$2PUB:(DE-HGF)$$aInternal Report$$mintrep
000152784 500__ $$aSubmitted to Phys. Lett. B
000152784 520__ $$aThe Upsilon(1S), Upsilon(2S), and Upsilon(3S) production cross sections are measured using a data sample corresponding to an integrated luminosity of 35.8 +/-1.4 inverse picobarns of proton-proton collisions at sqrt(s) = 7 TeV, collected with the CMS detector at the LHC. The Upsilon resonances are identified through their decays to dimuons. Integrated over the Upsilon transverse momentum range pt[Upsilon] < 50\GeV and rapidity range abs(y[Upsilon]) < 2.4, and assuming unpolarized Upsilon production, the products of the Upsilon production cross sections and dimuon branching fractions are sigma(pp to Upsilon(1S) X) B(Upsilon(1S) to mu+ mu-) = (8.55 +/- 0.05 +0.56/-0.50 +/- 0.34) nb, sigma(pp to Upsilon(2S) X) B(Upsilon(2S) to mu+ mu-) = (2.21 +/- 0.03 +0.16/-0.14 +/- 0.09) nb, sigma(pp to Upsilon(3S) X) B(Upsilon(3S) to mu+ mu-) = (1.11 +/- 0.02 +0.10/-0.08 +/- 0.04) nb, where the first uncertainty is statistical, the second is systematic, and the third is from the uncertainty in the integrated luminosity. The differential cross sections in bins of transverse momentum and rapidity, and the cross section ratios are presented. Cross section measurements performed within a restricted muon kinematic range and not corrected for acceptance are also provided. These latter measurements are independent of Upsilon polarization assumptions. The results are compared to theoretical predictions and previous measurements.
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000152784 9141_ $$y2013
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