Measurement of the polarization amplitudes and triple product asymmetries in the Bs0→φφ decay

Aaij, R; Abellan Beteta, C; Adeva, B; Adinolfi, M; Adrover, C; Affolder, A; Ajaltouni, Z; Albrecht, J; Alessio, F; Alexander, M; Ali, S; Alkhazov, G; Alvarez Cartelle, P; Alves, A; Amato, S; Amhis, Y; Anderson, J; Appleby, R; Aquines Gutierrez, O; Archilli, F; Artamonov, A; Artuso, M; Aslanides, E; Auriemma, G; Bachmann, S; Back, J; Balagura, V; Baldini, W; Barlow, R; Barschel, C; Barsuk, S; Barter, W; Bates, A; Bauer, C; Bauer, T; Bay, A; Bediaga, I; Belogurov, S; Belous, K; Belyaev, I; Ben Haim, E; Benayoun, M; Bencivenni, G; Benson, S; Benton, J; Bernet, R; Bettler, M; van Beuzekom, M; Bien, A; Bifani, S; Bird, T; Bizzeti, A; Bjørnstad, P; Blake, T; Blanc, F; Blanks, C; Blouw, J; Blusk, S; Bobrov, A; Bocci, V; Bondar, A; Bondar, N; Bonivento, W; Borghi, S; Borgia, A; Bowcock, T; Bozzi, C; Brambach, T; van den Brand, J; Bressieux, J; Brett, D; Britsch, M; Britton, T; Brook, N; Brown, H; Büchler Germann, A; Burducea, I; Bursche, A; Buytaert, J; Cadeddu, S; Callot, O; Calvi, M; Calvo Gomez, M; 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doi:10.1016/j.physletb.2012.06.012

Using 1.0fb -1 of pp collision data collected at a centre-of-mass energy of √s=7TeV with the LHCb detector, measurements of the polarization amplitudes, strong phase difference and triple product asymmetries in the B s0→φφ decay mode are presented. The measured values are|A0|2=0.365±0.022(stat)±0.012(syst),|A⊥|2=0.291±0.024(stat)±0.010(syst),cos(δ∥)=-0.844±0.068(stat)±0.029(syst),AU=-0.055±0.036(stat)±0.018(syst),AV=0.010±0.036(stat)±0.018(syst). © 2012 CERN.

Aaij, R., Abellan Beteta, C., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., et al. (2012). Measurement of the polarization amplitudes and triple product asymmetries in the Bs0→φφ decay. PHYSICS LETTERS. SECTION B, 713(4-5), 369-377 [10.1016/j.physletb.2012.06.012].