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We report an updated amplitude analysis of the charmless hadronic decays of neutral B mesons to K+pi-pi0. With a sample of 454 million Upsilon(4S) -> B0B0bar decays collected by the BABAR detector at the PEP-II asymmetric-energy B Factory…

高能物理 - 实验 · 物理学 2008-09-02 The BABAR Collaboration , B. Aubert

We present Dalitz-plot analyses of $B^+\to K^+\pi^-\pi^+$ and $B^0\to K^+\pi^-\pi^0$ using the data sample collected at the $\Upsilon(4S)$ by the BABAR detector. We have found evidence for direct CP-violation in the decay $B^\pm\to\rho^0…

高能物理 - 实验 · 物理学 2008-10-06 Feng Liu

We present the first study of the time-dependent CP-violating asymmetry in B0 -> J/psi pi0 decays using e+e- annihilation data collected with the BaBar detector at the Upsilon(4S) resonance during the years 1999-2002 at the PEP-II…

高能物理 - 实验 · 物理学 2008-11-26 B. Aubert

We perform a time-dependent Dalitz plot analysis of $B^0 \to K^0_{\scriptscriptstyle S}\pi^+\pi^-$ in order to extract the ${CP}$ violation parameters of $f_0(980) K^0_{\scriptscriptstyle S}$ and $\rho^0(770) K^0_{\scriptscriptstyle S}$ and…

高能物理 - 实验 · 物理学 2007-08-17 The BABAR Collaboration , B. Aubert

We report on a study of direct CP violation in the decay B- -> D(*)0 K- with a Dalitz analysis of the D0 -> Ks pi- pi+ decay using a sample of 227 million BBbar pairs collected by the BaBar detector. Reference to the charge-conjugate state…

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

We present a time-dependent Dalitz plot measurement of CP violation parameters in B0 --> Ks Pi+ Pi- decays. These results are obtained from a large data sample that contains 657 million BBbar pairs collected at the Y(4S) resonance with the…

高能物理 - 实验 · 物理学 2019-08-13 J. Dalseno

We present the results of a time-dependent Dalitz plot analysis of B0 -> pi+ pi- pi0 decays based on a 414fb^-1 data sample that contains 449MBB pairs collected on the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric…

高能物理 - 实验 · 物理学 2007-10-28 The Belle Collaboration , K. Abe

We report preliminary results from a study of the decay B0 --> D0bar pi+ pi- using a data sample of 470.9 +/- 2.8 million BBbar events collected with the BaBar detector at the Y(4S) resonance. Using the Dalitz-plot analysis technique, we…

高能物理 - 实验 · 物理学 2018-09-26 The BABAR Collaboration , P. del Amo Sanchez

We present the preliminary measurement of CP-violating asymmetries in B0->(rhopi)0->pi+pi-pi0 decays using a time-dependent Dalitz plot analysis. The results are obtained from a data sample of 213 million Y(4S)->BB-bar decays, collected by…

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

We present measurements of the branching fraction and time-dependent CP asymmetries in B0->J/Psi pi0 decays based on (231.8 +/- 2.6)*10^6 Upsilon(4S) -> BBbar decays collected with the BaBar detector at the PEP-II asymmetric-energy B…

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

We present preliminary measurements of branching fractions and CP-asymmetry parameters in two- and three-body charmless hadronic B decays. The available data sample consists of 227 million Upsilon(4S) B decays collected with the BABAR…

高能物理 - 实验 · 物理学 2017-08-23 Markus Cristinziani

We present a Dalitz plot analysis of charmless B+- decays to the final state pi+-pi+-pi-+ using a sample of (465+-5)x10^-6 BBbar pairs collected by the BABAR experiment at \sqrt{s} = 10.58 GeV. We measure the branching fractions BF(B+- -->…

高能物理 - 实验 · 物理学 2010-04-12 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

We present preliminary results of a time-dependent measurement of CP-violating asymmetry in fully reconstructed B0->D^(*)+-pi-+ decays in a data sample of approximately 88 million Y(4S)->BB decays collected with the BaBar detector at the…

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

We report about the studies of the decay channels B- -> D0 K-, B0 -> D*- a1+ and B0 -> Ds(*)- pi+ with a sample of 62.10^6 Upsilon(4S) decays into B meson pairs collected with the BaBar detector at the PEP II asymmetric e+ e- collider.

高能物理 - 实验 · 物理学 2019-08-14 Patrick Robbe

We present a preliminary 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 $\Upsilon(4S)$…

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

We present results for a time-dependent Dalitz plot measurement of CP-violating asymmetries in the mode B^0 -> pi^+ pi^- pi^0. The dataset is derived from the complete sample of 471 x 10^6 BBbar meson pairs collected with the BABAR detector…

高能物理 - 实验 · 物理学 2013-08-09 BABAR Collaboration

We report a measurement of the amplitude ratio $r_S$ of $B^0 \to D^0K^{*0}$ and $B^0 \to \bar{D^0}K^{*0}$ decays with a Dalitz analysis of $D\to K_S^0\pi^+\pi^-$ decays, for the first time using a model-independent method. We set an upper…

高能物理 - 实验 · 物理学 2016-06-21 Belle Collaboration , K. Negishi , A. Ishikawa , H. Yamamoto , A. Abdesselam , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , V. Aulchenko , T. Aushev , R. Ayad , V. Babu , I. Badhrees , S. Bahinipati , A. M. Bakich , E. Barberio , J. Biswal , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , R. Chistov , K. Cho , V. Chobanova , S. -K. Choi , Y. Choi , D. Cinabro , J. Dalseno , M. Danilov , Z. Doležal , A. Drutskoy , D. Dutta , S. Eidelman , H. Farhat , J. E. Fast , T. Ferber , B. G. Fulsom , V. Gaur , N. Gabyshev , A. Garmash , D. Getzkow , R. Gillard , R. Glattauer , Y. M. Goh , P. Goldenzweig , B. Golob , O. Grzymkowska , J. Haba , T. Hara , K. Hayasaka , H. Hayashii , X. H. He , T. Horiguchi , W. -S. Hou , T. Iijima , K. Inami , R. Itoh , Y. Iwasaki , I. Jaegle , D. Joffe , K. K. Joo , T. Julius , K. H. Kang , T. Kawasaki , C. Kiesling , D. Y. Kim , J. B. Kim , J. H. Kim , K. T. Kim , M. J. Kim , S. H. Kim , Y. J. Kim , K. Kinoshita , B. R. Ko , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , T. Kumita , A. Kuzmin , Y. -J. Kwon , J. S. Lange , I. S. Lee , P. Lewis , Y. Li , L. Li Gioi , J. Libby , D. Liventsev , P. Lukin , M. Masuda , D. Matvienko , K. Miyabayashi , H. Miyata , R. Mizuk , G. B. Mohanty , A. Moll , H. K. Moon , R. Mussa , M. Nakao , T. Nanut , Z. Natkaniec , M. Nayak , N. K. Nisar , S. Nishida , S. Ogawa , S. Okuno , Y. Onuki , P. Pakhlov , G. Pakhlova , B. Pal , C. W. Park , H. Park , T. K. Pedlar , L. Pesántez , R. Pestotnik , M. Petrič , L. E. Piilonen , C. Pulvermacher , E. Ribežl , M. Ritter , A. Rostomyan , Y. Sakai , S. Sandilya , L. Santelj , T. Sanuki , Y. Sato , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , K. Senyo , M. E. Sevior , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , F. Simon , Y. -S. Sohn , E. Solovieva , S. Stanič , M. Starič , M. Steder , M. Sumihama , T. Sumiyoshi , U. Tamponi , Y. Teramoto , M. Uchida , Y. Unno , S. Uno , P. Urquijo , C. Van Hulse , P. Vanhoefer , G. Varner , A. Vinokurova , A. Vossen , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , M. Watanabe , Y. Watanabe , S. Wehle , K. M. Williams , E. Won , J. Yamaoka , Y. Yamashita , S. Yashchenko , J. Yelton , Y. Yook , C. Z. Yuan , Y. Yusa , Z. P. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

We present a preliminary measurement of CP-violating asymmetries in fully reconstructed $B^0{\to}D^{(*)\pm}\pi^{\mp}$ and $\B^0{\to}D^{\pm}\rho^{\mp}$ decays in approximately 110 million $\Upsilon(\rm 4S) \to B\bar{B}$ decays collected with…

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

We measure the $D^0 - {\bar{D}}^0$ mixing parameters using a time-dependent amplitude analysis of the decay $D^0\to\pi^+\pi^-\pi^0$. The data were recorded with the BABAR detector at center-of-mass energies at and near the $\Upsilon(4S)$…

高能物理 - 实验 · 物理学 2016-07-06 The BABAR Collaboration