First observation of the decay (B)over-bar(S)(0) -> (DK)-K-0*(0) and a measurement of the ratio of branching fractions B((B)over-bar(S)(0)->(DK)-K-0*(0))/B((B)over-bar(0)-> D-0 rho(0))

Aaij, R.; Abelian Beteta, C.; Adeva, B.; Adinolfi, M.; Adrover, C.; Affolder, A.; Ajaltouni, Z.; Albrecht, J.; Alessi, F.; Alexander, M.; Alkhazov, G.; Alvarez Cartelle, P.; Alves, A. A.; Amato, S.; Amhis, Y.; Anderson, J.; Appleby, R. B.; Gutierrez, O. Aquines; Archilli, F.; Arrabito, L.; Artamonov, A.; Artuso, M.; Aslanides, E.; Auriemma, G.; Bachmann, S.; Back, J. J.; Bailey, D. S.; Balagura, V.; Baldini, W.; Barlow, R. J.; Barsche, C.; Barsuk, S.; Barter, W.; Bates, A.; Bauer, C.; Bauer, Th; Bay, A.; Bediaga, I.; 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.; Bizzeti, A.; Bjornstad, 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.; Brisbane, S.; Britschl, M.; Britton, T.; Brook, N. H.; Brown, H.; Buechler-Germann, A.; Burducea, I.; Bursche, A.; Buytaert, J.; Cadeddu, S.; Carvajal, J. M. Caicedo; Callot, O.; Calvi, M.; Calvo Gomez, M.; Camboni, A.; Campana, R.; Carbone, A.; Carboni, G.; Cardinale, R.; Cardini, A.; Carson, L.; Akiba, K. Carvalho; Casse, G.; Cattaneo, M.; Charles, M.; Charpentier, Ph; Chiapolini, N.; Ciba, K.; Cid Vidal, X.; Ciezarek, G.

doi:10.1016/j.physletb.2011.10.073

research article

First observation of the decay (B)over-bar(S)(0) -> (DK)-K-0*(0) and a measurement of the ratio of branching fractions B((B)over-bar(S)(0)->(DK)-K-0*(0))/B((B)over-bar(0)-> D-0 rho(0))

Aaij, R.

•

Abelian Beteta, C.

•

Adeva, B.

2011

Physics Letters B

The first observation of the decay (B) over bar (0)(S) -> (DK)-K-0*(0) using pp data collected by the LHCb detector at a centre-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 36 pb(-1), is reported. A signal of 34.4 +/- 6.8 events is obtained and the absence of signal is rejected with a statistical significance of more than nine standard deviations. The (B) over bar (0)(S) -> (DK)-K-0*(0) branching fraction is measured relative to that of (B) over bar (0) -> D-0 rho(0): B((B) over bar (0)(S)->(DK)-K-0*(0))/B((B) over bar (0)-> D-0 rho(0)) = 1.48+/-0.34+/-0.15+/-0.12, where the first uncertainty is statistical, the second systematic and the third is due to the uncertainty on the ratio of the B-0 and B-s(0) hadronisation fractions. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.

Type

research article

DOI

10.1016/j.physletb.2011.10.073

Web of Science ID

WOS:000298129000006

Author(s)

Aaij, R.

Abelian Beteta, C.

Adeva, B.

Adinolfi, M.

Adrover, C.

Affolder, A.

Ajaltouni, Z.

Albrecht, J.

Alessi, F.

Alexander, M.

Date Issued

2011

Published in

Physics Letters B

Volume

706

Start page

32

End page

39

Subjects

Cp Violation

•

Modes

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units

LPHE

Available on Infoscience

June 25, 2012

Use this identifier to reference this record

https://infoscience.epfl.ch/handle/20.500.14299/82305