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相关论文: Observation of the Decay $B^{0} \to \pi^{0}\pi^{0}…

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We present results for the branching fractions and charge asymmetries in $B^{\pm} \to h^{\pm} \pi^{0}$ (where $h^{\pm} = \pi^{\pm}, K^{\pm}$) and a search for the decay $B^{0} \to \pi^{0} \pi^{0}$ using a sample of approximately 88 million…

高能物理 - 实验 · 物理学 2008-11-26 The BABAR Collaboration , B. Aubert

We present a search for the decay B^0 --> pi^0 pi^0 by the BABAR experiment at the PEP-II asymmetric-energy B-factory at SLAC. Using approximately 88 million B bar{B} pairs collected between 1999 and 2002, we place a 90% confidence level…

高能物理 - 实验 · 物理学 2007-05-23 The BABAR Collaboration , B. Aubert

In a sample of 467 million $B\overline B$ pairs collected with the BABAR detector at the PEP-II collider at SLAC we have observed the decay $\overline{B}^0\rightarrow\Lambda_c^+{\overline p} \pi^0$ and measured the branching fraction to be…

高能物理 - 实验 · 物理学 2014-11-21 The BABAR Collaboration , B. Aubert et al.

We have measured the process B+- --> (K*+- --> K+- pi0) pi0 based on 232 million Y(4S) --> BBbar decays collected with the BaBar detector at the PEP-II asymmetric-energy B Factory at SLAC. From a signal yield of 89 +- 26 events we obtain…

高能物理 - 实验 · 物理学 2010-03-19 The BABAR Collaboration , B. Aubert

We present a measurement of the branching fraction of the decay B0 --> a1(1260)^{+-} pi^{-+} with a1(1260)^{+-} --> pi^{-+} pi^{+-} pi^{+-}. The data sample consists of 218 million B B-bar pairs collected at the Y(4S) resonance and recorded…

高能物理 - 实验 · 物理学 2010-03-19 The BABAR Collaboration , B. Aubert

We report the observation of decays B0->D_s(*)+pi- and B0->D_s(*)-K+ in a sample of 230*10^6 Upsilon(4S)->BBbar events recorded with the BaBar detector at the PEP-II asymmetric-energy e+e- storage ring. We measure the branching fractions…

高能物理 - 实验 · 物理学 2010-03-19 The BABAR Collaboration , B. Aubert

We present updated measurements of the branching fractions for the modes B0->pi0pi0, B+ -> pi+pi0, and B+ -> K+pi0. We also measure the time-integrated asymmetry C_pi0pi0 and the charge asymmetries A_CP(pi+pi0) and A_CP(K+pi0). Based on a…

高能物理 - 实验 · 物理学 2007-05-23 The BABAR Collaboration , B. Aubert

We present measurements of the branching fraction and time-dependent CP asymmetries in B0->J/Psi pi0 decays based on 466 million Y(4S)->BBbar events collected with the BaBar detector at the SLAC PEP-II asymmetric-energy B factory. We…

高能物理 - 实验 · 物理学 2010-04-12 B. Aubert

We measure the branching fraction and the CP-violating asymmetry of $B^{0}\to K_{s}^{0}\pi^{0}$ decays with 227 million $\Upsilon(4S)\to B\bar{B}$ events collected with the BaBar detector at the PEP-II asymmetric-energy $e^+e^-$ collider at…

高能物理 - 实验 · 物理学 2009-09-29 The BABAR Collaboration , B. Aubert

Branching fraction and asymmetry measurements of charmless $B^0\to K^{*0}h^+_1h^-_2$ ($h_{1,2}$ = $K$, $\pi$) decays are presented, using a data sample of 383 million $\Upsilon(4S) \to$ $B\bar{B$} decays collected with the BaBar detector at…

高能物理 - 实验 · 物理学 2010-04-12 The BABAR Collaboration , B. Aubert

Branching fraction measurements using B-meson decays to Kspi+pi- are presented. These measurements were obtained by analyzing a data sample of 88.9 million Y(4S) --> BB decays collected with the BaBar detector at the SLAC PEP-II…

高能物理 - 实验 · 物理学 2009-09-29 B. Aubert , BABAR Collaboration

We present a measurement of the B0 -> Lambda-bar p pi branching fraction performed using the BaBar detector at the PEP-II asymmetric energy e+e- collider. Based on a 232 million BB-bar pairs data sample we measure: BR(B0 -> Lambda-bar p pi)…

高能物理 - 实验 · 物理学 2009-08-03 The BABAR Collaboration , B. Aubert

We present preliminary results of the analyses of B^+ --> h^+ pi^0 (with h^+ = pi^+, K^+) and B^0 --> K^0 pi^0 decays from a sample of approximately 88 million B bar{B} pairs collected by the BABAR detector at the PEP-II asymmetric-energy B…

高能物理 - 实验 · 物理学 2007-05-23 B. Aubert

We present a measurement of the branching fraction for the decay of the neutral $B$ meson into the final state $J/\psi\pi^+\pi^-$. The data set contains approximately 56 million $B\bar{B}$ pairs produced at the $\Upsilon(4S)$ resonance and…

高能物理 - 实验 · 物理学 2008-11-26 B. Aubert

We present a measurement of the time-dependent CP-violating asymmetries in B0 -> K0S pi0 decays based on 348 million Y(4S) -> BBbar events collected by the BABAR experiment at the PEP-II asymmetric-energy B Factory at SLAC. We measure the…

高能物理 - 实验 · 物理学 2007-05-23 The BABAR Collaboration , B. Aubert

We analyze the decay B0 -> K0s pi+ pi- using a sample of 232 million Upsilon(4S) -> BB decays collected with the BaBar detector at the SLAC PEP-II asymmetric-energy B factory. A maximum likelihood fit finds the following branching…

高能物理 - 实验 · 物理学 2010-03-19 The BABAR Collaboration , B. Aubert

We present preliminary measurements of the CP asymmetries and branching fractions for B -> pi pi and B -> K pi decays. A total of 347 million BBbar events collected by the BABAR detector at the PEP-II asymmetric-energy e+e- collider at SLAC…

高能物理 - 实验 · 物理学 2007-05-23 The BABAR Collaboration , B. Aubert

We present preliminary results of searches for exclusive $B^0$ decays to $\pi^+\pi^-\pi^0$ among 22.7 million $b\bar{b}$ pairs collected by the BABAR experiment from electron-positron collisions near the $\Upsilon(4S)$ resonance. We measure…

高能物理 - 实验 · 物理学 2007-05-23 B. Aubert

We present preliminary results of the analyses of B into h pi0 and B into hK0 decays (with h = pi+/-, K+/-) from a sample of approximately 60 million BB pairs collected by the BABAR detector at the PEP-II asymmetric-energy B Factory at…

高能物理 - 实验 · 物理学 2007-05-23 B. Aubert , BABAR Coll

We present measurements of the branching fraction and time-dependent CP asymmetries in B0 -> JPsi pi0 decays based on (231.8 +/- 2.6) x 10**6 asymmetries Y(4S) -> BBbar decays collected with the BaBar detector at the SLAC PEP-II…

高能物理 - 实验 · 物理学 2012-08-27 BaBar Collaboration
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