Measurement of the Bs effective lifetime in the J/psi f0(980) final state
Creators: name: LHCb Collaboration
name: Aaij, R.
name: Beteta, C. Abellan
name: Adametz, A.
name: Adeva, B.
name: Adinolfi, M.
name: Adrover, C.
name: Affolder, A.
name: Ajaltouni, Z.
name: Albrecht, J.
name: Alessio, F.
name: Alexander, M.
name: Ali, S.
name: Alkhazov, G.
name: Cartelle, P. Alvarez
name: Alves, A. A.
name: Amato, S.
name: Amhis, Y.
name: Anderlini, L.
name: Anderson, J.
name: Appleby, R. B.
name: Gutierrez, O. Aquines
name: Archilli, F.
name: Artamonov, A.
name: Artuso, M.
name: Aslanides, E.
name: Auriemma, G.
name: Bachmann, S.
name: Back, J. J.
name: Balagura, V.
name: Baldini, W.
name: Barlow, R. J.
name: Barschel, C.
name: Barsuk, S.
name: Barter, W.
name: Bates, A.
name: Bauer, C.
name: Bauer, Th.
name: Bay, A.
name: Beddow, J.
name: Bediaga, I.
name: Belogurov, S.
name: Belous, K.
name: Belyaev, I.
name: Ben-Haim, E.
name: Benayoun, M.
name: Bencivenni, G.
name: Benson, S.
name: Benton, J.
name: Bernet, R.
name: Bettler, M. -O.
name: van Beuzekom, M.
name: Bien, A.
name: Bifani, S.
name: Bird, T.
name: Bizzeti, A.
name: Bjørnstad, P. M.
name: Blake, T.
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name: Blusk, S.
name: Bobrov, A.
name: Bocci, V.
name: Bondar, A.
name: Bondar, N.
name: Bonivento, W.
name: Borghi, S.
name: Borgia, A.
name: Bowcock, T. J. V.
name: Bozzi, C.
name: Brambach, T.
name: Brand, J. van den
name: Bressieux, J.
name: Brett, D.
name: Britsch, M.
name: Britton, T.
name: Brook, N. H.
name: Brown, H.
name: Büchler-Germann, A.
name: Burducea, I.
name: Bursche, A.
name: Buytaert, J.
name: Cadeddu, S.
name: Callot, O.
name: Calvi, M.
name: Gomez, M. Calvo
name: Camboni, A.
name: Campana, P.
name: Carbone, A.
name: Carboni, G.
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name: Cardini, A.
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name: Akiba, K. Carvalho
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name: Cattaneo, M.
name: Cauet, Ch.
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name: Charpentier, Ph.
name: Chen, P.
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name: Chrzaszcz, M.
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Publisher: name: arXiv
Year: 2012
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: The effective lifetime of the Bs meson in the decay mode Bs-&gt;J/ψf0(980) is measured using 1.0/fb of data collected in pp collisions at sqrt(s) = 7 TeV with the LHCb detector. The result is 1.700 +/- 0.040 +/- 0.026 ps where the first uncertainty is statistical and the second systematic. As the final state is CP-odd, and CP violation in this mode is measured to be small, the lifetime measurement can be translated into a measurement of the decay width of the heavy Bs mass eigenstate, Γ_H = (0.588 +/- 0.014 +/- 0.009)/ps.
description: 14 pages, 5 figures; v2 corrected CERN report number, v3 minor fixes