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Measurements of the branching fractions of exclusive charmless B meson decays with η′ or ω mesons

  • Author(s): Aubert, B
  • Boutigny, D
  • Gaillard, JM
  • Hicheur, A
  • Karyotakis, Y
  • Lees, JP
  • Robbe, P
  • Tisserand, V
  • Palano, A
  • Chen, GP
  • Chen, JC
  • Qi, ND
  • Rong, G
  • Wang, P
  • Zhu, YS
  • Eigen, G
  • Reinertsen, PL
  • Stugu, B
  • Abbott, B
  • Abrams, GS
  • Borgland, AW
  • Breon, AB
  • Brown, DN
  • Button-Shafer, J
  • Cahn, RN
  • Clark, AR
  • Gill, MS
  • Gritsan, A
  • Groysman, Y
  • Jacobsen, RG
  • Kadel, RW
  • Kadyk, J
  • Kerth, LT
  • Kluth, S
  • Kolomensky, YG
  • Kral, JF
  • Le Clerc, C
  • Levi, ME
  • Liu, T
  • Lynch, G
  • Meyer, AB
  • Momayezi, M
  • Oddone, PJ
  • Perazzo, A
  • Pripstein, M
  • Roe, NA
  • Romosan, A
  • Ronan, MT
  • Shelkov, VG
  • Telnov, AV
  • Wenzel, WA
  • Bright-Thomas, PG
  • Harrison, TJ
  • Hawkes, CM
  • Knowles, DJ
  • O’neale, SW
  • Penny, RC
  • Watson, AT
  • Watson, NK
  • Deppermann, T
  • Goetzen, K
  • Koch, H
  • Krug, J
  • Kunze, M
  • Lewandowski, B
  • Peters, K
  • Schmuecker, H
  • Steinke, M
  • Andress, JC
  • Barlow, NR
  • Bhimji, W
  • Chevalier, N
  • Clark, PJ
  • Cottingham, WN
  • De Groot, N
  • Dyce, N
  • Foster, B
  • Mc Fall, JD
  • Wallom, D
  • Wilson, FF
  • Abe, K
  • Hearty, C
  • Mattison, TS
  • Mc Kenna, JA
  • Thiessen, D
  • Jolly, S
  • Mc Kemey, AK
  • Tinslay, J
  • Blinov, VE
  • Bukin, AD
  • Bukin, DA
  • Buzykaev, AR
  • Golubev, VB
  • Ivanchenko, VN
  • Korol, AA
  • Kravchenko, EA
  • Onuchin, AP
  • Salnikov, AA
  • Serednyakov, SI
  • Skovpen, YI
  • et al.
Abstract

We present the results of searches for B decays to charmless two-body final states containing η′ or ω mesons, based on 50.7fb-1of data collected with the BABAR detector. We find the branching fractions B(B+→ η′K+) = (70 ± 8 ± 5) × 10-6, B(B0→ η′K0) = (42+13-11± 4) × 10-6, and B(B+→ ωπ+) = (6.6+2.1-1.8± 0.7) × 10-6, where the first error quoted is statistical and the second is systematic. We give measurements of four additional modes for which the 90% confidence level upper limits are B(B+→ η′π+) < 12 × 10-6, B(B+→ ωK+) < 4 × 10-6, B(B0→ ωK0) < 13 × 10-6, and B(B0→ ωπ0) < 3 × 10-6. © 2001 The American Physical Society.

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