<P>The differential production cross sections of B-+/- mesons are measured via the exclusive decay channels B-+/- -> J/psi K-+/- -> mu(+)mu K--(+/-) as a function of transverse momentum in pp and Pb-Pb collisions at a center-of-mass energy...
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https://www.riss.kr/link?id=A107429130
Sirunyan, A. M. ; Tumasyan, A. ; Adam, W. ; Asilar, E. ; Bergauer, T. ; Brandstetter, J. ; Brondolin, E. ; Dragicevic, M. ; Erö ; , J. ; Flechl, M. ; Friedl, M. ; Frü ; hwirth, R. ; Ghete, V. M. ; Hö ; rmann, N. ; Hrubec, J. ; Jeitler, M. ; Kö ; nig, A. ; Krä ; tschmer, I. ; Liko, D. ; Matsushita, T. ; Mikulec, I. ; Rabady, D. ; Rad, N. ; Rohringer, H. ; Schieck, J. ; Strauss, J. ; Waltenberger, W. ; Wulz, C.-E. ; Chekhovsky, V. ; Mossolov, V. ; Suarez Gonzalez, J. ; Shumeiko, N. ; Alderweireldt, S. ; De Wolf, E. A. ; Janssen, X. ; Lauwers, J. ; Van De Klundert, M. ; Van Haevermaet, H. ; Van Mechelen, P. ; Van Remortel, N. ; Van Spilbeeck, A. ; Abu Zeid, S. ; Blekman, F. ; D’Hondt, J. ; De Bruyn, I. ; De Clercq, J. ; Deroover, K. ; Lowette, S. ; Moortgat, S. ; Moreels, L. ; Olbrechts, A. ; Python, Q. ; Skovpen, K. ; Tavernier, S. ; Van Doninck, W. ; Van Mulders, P. ; Van Parijs, I. ; Brun, H. ; Clerbaux, B. ; De Lentdecker, G. ; Delannoy, H. ; Fasanella, G. ; Favart, L. ; G
2017
-
SCI,SCIE,SCOPUS
학술저널
152301
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>The differential production cross sections of B-+/- mesons are measured via the exclusive decay channels B-+/- -> J/psi K-+/- -> mu(+)mu K--(+/-) as a function of transverse momentum in pp and Pb-Pb collisions at a center-of-mass energy...
<P>The differential production cross sections of B-+/- mesons are measured via the exclusive decay channels B-+/- -> J/psi K-+/- -> mu(+)mu K--(+/-) as a function of transverse momentum in pp and Pb-Pb collisions at a center-of-mass energy root s(NN) = 5.02 TeV per nucleon pair with the CMS detector at the LHC. The pp(Pb - Pb) data set used for this analysis corresponds to an integrated luminosity of 28.0 pb(-1) (351 mu b(-1)). The measurement is performed in the B-+/- meson transverse momentum range of 7 to 50 GeV/c, in the rapidity interval vertical bar y vertical bar < 2.4. In this kinematic range, a strong suppression of the production cross section by about a factor of 2 is observed in the Pb-Pb system in comparison to the expectation from pp reference data. These results are found to be roughly compatible with theoretical calculations incorporating beauty quark diffusion and energy loss in a quark-gluon plasma.</P>