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Measurement of the polarization amplitudes and triple product asymmetries in the $B_s^0 \to \phi\phi$ decay

Using 1.0 fb$^{-1}$ of pp collision data collected at a centre-of-mass energy of $\sqrt{s}$=7 TeV with the LHCb detector, measurements of the polarization amplitudes, strong phase difference and triple product asymmetries in the $B_s^0 \to \phi\phi$ decay mode are presented. The measured values are...

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Detalles Bibliográficos
Autores principales: 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 Jr, A A, Amato, S, Amhis, Y, Anderson, J, Appleby, R B, Aquines Gutierrez, O, Archilli, F, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Bachmann, S, Back, J J, Balagura, V, Baldini, W, Barlow, R J, Barschel, C, Barsuk, S, Barter, W, Bates, A, Bauer, C, Bauer, Th, 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 -O, van Beuzekom, M, Bien, A, Bifani, S, Bird, T, Bizzeti, A, Bjørnstad, P M, 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 J V, Bozzi, C, Brambach, T, van den Brand, J, Bressieux, J, Brett, D, Britsch, M, Britton, T, Brook, N H, Brown, H, Büchler-Germann, A, Burducea, I, Bursche, A, Buytaert, 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Valenti, G, Vazquez Gomez, R, Vazquez Regueiro, P, Vecchi, S, Velthuis, J J, Veltri, M, Viaud, B, Videau, I, Vieira, D, Vilasis-Cardona, X, Visniakov, J, Vollhardt, A, Volyanskyy, D, Voong, D, Vorobyev, A, Vorobyev, V, Voss, H, Waldi, R, Wandernoth, S, Wang, J, Ward, D R, Watson, N K, Webber, A D, Websdale, D, Whitehead, M, Wiedner, D, Wiggers, L, Wilkinson, G, Williams, M P, Williams, M, Wilson, F F, Wishahi, J, Witek, M, Witzeling, W, Wotton, S A, Wyllie, K, Xie, Y, Xing, F, Xing, Z, Yang, Z, Young, R, Yushchenko, O, Zangoli, M, Zavertyaev, M, Zhang, F, Zhang, L, Zhang, W C, Zhang, Y, Zhelezov, A, Zhong, L, Zvyagin, A
Lenguaje:eng
Publicado: 2012
Materias:
Acceso en línea:https://dx.doi.org/10.1016/j.physletb.2012.06.012
http://cds.cern.ch/record/1440824
Descripción
Sumario:Using 1.0 fb$^{-1}$ of pp collision data collected at a centre-of-mass energy of $\sqrt{s}$=7 TeV with the LHCb detector, measurements of the polarization amplitudes, strong phase difference and triple product asymmetries in the $B_s^0 \to \phi\phi$ decay mode are presented. The measured values are $|A_0|^2 = 0.365 \pm 0.022 (stat) \pm 0.012 (syst)$, $|A_{\perp}|^2 = 0.291 \pm 0.024 (stat) \pm 0.010 (syst)$, $cos(\delta_{\parallel}) = -0.844 \pm 0.068 (stat) \pm 0.029 (syst)$, $A_U = -0.055 \pm 0.036 (stat) \pm 0.018 (syst)$, $A_V = 0.010 \pm 0.036 (stat) \pm 0.018 (syst)$.