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Related papers: Improved Limits on $B^{0}$ decays to invisible $(+…

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We establish upper limits on branching fractions for B0 decays to final states where the decay products are purely invisible (i.e., no observable final state particles) and for B0 decays to nu nubar gamma. Within the Standard Model, these…

High Energy Physics - Experiment · Physics 2008-11-26 B. Aubert , BABAR Collaboration

We establish improved upper limits on branching fractions for $B^{0}$ decays to final states where the decay products are purely invisible (i.e., no observable final state particles) and for final states where the only visible product is a…

High Energy Physics - Experiment · Physics 2019-08-14 A. Rossi

We present a limit on the branching fraction for the decay $B^0 \to \gamma \gamma$ using data collected at the $\Upsilon(4S)$ resonance with the BABAR detector at the PEP-II asymmetric--energy $e^+e^-$ collider. Based on the observation of…

High Energy Physics - Experiment · Physics 2010-05-28 the BABAR Collaboration , B. Aubert

We report searches for $B^0\to\rm{invisible}$ and $B^0\to\rm{invisible}+\gamma$ decays, where the energy of the photon is required to be larger than 0.5 GeV. These results are obtained from a $711\,{\rm fb}^{-1}$ data sample that contains…

High Energy Physics - Experiment · Physics 2020-07-15 Belle Collaboration , Y. Ku , P. Chang , I. Adachi , K. Adamczyk , H. Aihara , D. M. Asner , T. Aushev , R. Ayad , P. Behera , C. Bele\ {n}o , J. Bennett , V. Bhardwaj , T. Bilka , J. Biswal , G. Bonvicini , A. Bozek , M. Bračko , M. -C. Chang , V. Chekelian , K. Chilikin , K. Cho , S. -K. Choi , Y. Choi , D. Cinabro , S. Cunliffe , N. Dash , G. De Nardo , T. V. Dong , S. Eidelman , D. Epifanov , J. E. Fast , B. G. Fulsom , R. Garg , V. Gaur , N. Gabyshev , A. Garmash , P. Goldenzweig , O. Grzymkowska , Y. Guan , O. Hartbrich , K. Hayasaka , H. Hayashii , M. Hernandez Villanueva , T. Higuchi , W. -S. Hou , C. -L. Hsu , K. Huang , K. Inami , G. Inguglia , A. Ishikawa , R. Itoh , M. Iwasaki , Y. Iwasaki , S. Jia , Y. Jin , K. H. Kang , T. Kawasaki , H. Kichimi , C. Kiesling , C. H. Kim , D. Y. Kim , T. D. Kimmel , K. Kinoshita , P. Kodyš , S. Korpar , P. Križan , R. Kroeger , P. Krokovny , T. Kuhr , R. Kulasiri , R. Kumar , Y. -J. Kwon , Y. -T. Lai , Y. B. Li , L. Li Gioi , J. Libby , K. Lieret , C. MacQueen , D. Matvienko , M. Merola , R. Mizuk , G. B. Mohanty , T. J. Moon , T. Mori , R. Mussa , Z. Natkaniec , M. Nayak , N. K. Nisar , S. Nishida , K. Nishimura , K. Ogawa , S. Ogawa , H. Ono , P. Oskin , P. Pakhlov , G. Pakhlova , H. Park , S. -H. Park , S. Patra , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , T. Podobnik , V. Popov , M. T. Prim , M. Ritter , M. Röhrken , A. Rostomyan , N. Rout , G. Russo , Y. Sakai , L. Santelj , T. Sanuki , V. Savinov , G. Schnell , J. Schueler , C. Schwanda , A. J. Schwartz , K. Senyo , M. Shapkin , J. -G. Shiu , B. Shwartz , A. Sokolov , E. Solovieva , M. Starič , Z. S. Stottler , M. Sumihama , T. Sumiyoshi , M. Takizawa , U. Tamponi , K. Tanida , F. Tenchini , K. Trabelsi , M. Uchida , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Usov , G. Varner , K. E. Varvell , A. Vinokurova , C. H. Wang , E. Wang , M. -Z. Wang , P. Wang , X. L. Wang , M. Watanabe , E. Won , X. Xu , S. B. Yang , H. Ye , C. Z. Yuan , Z. P. Zhang , V. Zhukova

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…

High Energy Physics - Experiment · Physics 2014-11-21 The BABAR Collaboration , B. Aubert et al.

We present a search for the decays B0 --> e+e-, B0 --> mu+ mu- and B0 --> e mu using data collected with the BABAR detector at the PEP-II e+e-collider at SLAC. Using a dataset corresponding to 384 x 10^6 BBbar pairs, we do not find evidence…

High Energy Physics - Experiment · Physics 2010-04-12 The BaBar Collaboration , B. Aubert

We present the observation of the decay B0 -> chi_c0K*0 as well as evidence of B+ -> chi_c0K*+, with an 8.9 and a 3.6 standard deviation significance, respectively, using a data sample of 454 million Y(4S) -> BB decays collected with the…

High Energy Physics - Experiment · Physics 2010-04-12 The BABAR Collaboration , B. Aubert

We present a study of the decays B0bar --> D(*)0 K(*)0bar using a sample of 226 million Y(4S) --> B Bbar decays collected with the BaBar detector at the PEP-II asymmetric-energy e+e-collider at SLAC. We report evidence for the decay of B0…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert

With the BaBar detector at the PEP-II asymmetric $B$ Factory at SLAC, we present the first search for the decays $B^0\to\ell^+\ell^-\gamma$ ($l=e, \mu$). Using a data set of 292 $fb^{-1}$ collected at the $\Upsilon(4S)$ resonance, we find…

High Energy Physics - Experiment · Physics 2007-05-23 The BaBar Collaboration , B. Aubert

We present measurements of the branching fractions for the charmless two-body decays $\Bz\to\pip\pim$ and $\Bz\to\Kp\pim$, and a search for the decay $\Bz\to\Kp\Km$. We include the effects of final-state radiation from the daughter mesons…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert

We present preliminary results of a search for the decays B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma. The analysis is based on data containing 347 million BB events recorded with the BaBar detector at the PEP-II B factory. We…

High Energy Physics - Experiment · Physics 2007-05-23 B. Aubert et al

We present results of searches for B-meson decays to K+ pi- pi+ with the BaBar detector. With a data sample of 61.6 million BBbar pairs, we measure the branching fractions and 90% confidence-level upper limits averaged over charge-conjugate…

High Energy Physics - Experiment · Physics 2008-11-26 B. Aubert

We present a search for the decay of a B0 or B0bar meson to a K*0bar K0 or K*0 K0bar final state, using a sample of approximately 232 million BBbar events collected with the BABAR detector at the PEP-II asymmetric energy e+e- collider at…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert

We present a study of the decays B+ -> rho+ gamma, B0 -> rho0 gamma, and B0 -> omega gamma. The analysis is based on data containing 347 million BBbar events recorded with the BaBar detector at the PEP-II asymmetric B factory. We measure…

High Energy Physics - Experiment · Physics 2010-03-19 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…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert

We report a search for $B^{0}$ decays into invisible final states using a data sample of $657 \times 10^{6}$ $B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB $e^{+}e^{-}$ collider. The signal is…

High Energy Physics - Experiment · Physics 2012-08-07 Belle Collaboration , C. -L. Hsu , P. Chang , I. Adachi , H. Aihara , K. Arinstein , D. M. Asner , V. Aulchenko , T. Aushev , A. M. Bakich , B. Bhuyan , M. Bischofberger , A. Bondar , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , M. -C. Chang , Y. Chao , V. Chekelian , A. Chen , P. Chen , B. G. Cheon , K. Chilikin , I. -S. Cho , K. Cho , Y. Choi , J. Dalseno , J. Dingfelder , Z. Doležal , Z. Drásal , D. Dutta , S. Eidelman , D. Epifanov , S. Esen , H. Farhat , J. E. Fast , V. Gaur , N. Gabyshev , R. Gillard , Y. M. Goh , J. Haba , T. Hara , K. Hayasaka , H. Hayashii , Y. Horii , Y. Hoshi , W. -S. Hou , Y. B. Hsiung , H. J. Hyun , T. Iijima , K. Inami , A. Ishikawa , R. Itoh , M. Iwabuchi , Y. Iwasaki , T. Iwashita , T. Julius , J. H. Kang , T. Kawasaki , H. Kichimi , C. Kiesling , H. J. Kim , H. O. Kim , J. B. Kim , J. H. Kim , K. T. Kim , Y. J. Kim , B. R. Ko , P. Kodyš , S. Korpar , P. Krokovny , T. Kuhr , A. Kuzmin , P. Kvasnička , Y. -J. Kwon , S. -H. Lee , J. Li , Y. Li , J. Libby , Y. Liu , Z. Q. Liu , D. Liventsev , R. Louvot , K. Miyabayashi , H. Miyata , Y. Miyazaki , G. B. Mohanty , A. Moll , N. Muramatsu , E. Nakano , M. Nakao , Z. Natkaniec , C. Ng , S. Nishida , O. Nitoh , T. Ohshima , S. Okuno , S. L. Olsen , G. Pakhlova , C. W. Park , H. Park , H. K. Park , T. K. Pedlar , R. Pestotnik , M. Petrič , L. E. Piilonen , M. Ritter , M. Röhrken , S. Ryu , H. Sahoo , Y. Sakai , S. Sandilya , T. Sanuki , O. Schneider , C. Schwanda , A. J. Schwartz , K. Senyo , M. E. Sevior , M. Shapkin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , J. B. Singh , P. Smerkol , Y. -S. Sohn , E. Solovieva , S. Stanič , M. Starič , M. Sumihama , T. Sumiyoshi , G. Tatishvili , Y. Teramoto , K. Trabelsi , M. Uchida , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Usov , S. E. Vahsen , P. Vanhoefer , G. Varner , V. Vorobyev , P. Wang , M. Watanabe , Y. Watanabe , K. M. Williams , E. Won , H. Yamamoto , Y. Yamashita , Z. P. Zhang , V. Zhilich , V. Zhulanov

We present the results of searches for B decays to charmless two-body final states containing $\eta^\prime$ or $\omega$ mesons, based on 20.7 fb$^{-1}$ of data collected with the BABAR detector. We find the branching fractions ${\cal…

High Energy Physics - Experiment · Physics 2008-11-26 B. Aubert

Branching fraction and asymmetry measurements of charmless $B^+\to K^{*+}h^+_1h^-_2$ (where $h_{1,2}$ = $K$, $\pi$) decays are presented, using a data sample of 232 million $\Upsilon(4S) \to$ $BB$ decays collected with the BaBar detector at…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert

We present measurements of branching fractions for five B-meson decays to two-body charmless final states. The data, collected with the BABAR detector at the Stanford Linear Accelerator Center, represent 459 million BBbar pairs. The results…

High Energy Physics - Experiment · Physics 2010-04-12 The BABAR Collaboration , B. Aubert

We describe searches for decays to two-body charmless final states eta' eta, eta' pi0 and eta pi0 of B0 mesons produced in e+e- annihilation. The data, collected with the BaBar detector at the Stanford Linear Accelerator Center, represent…

High Energy Physics - Experiment · Physics 2010-03-19 The BABAR Collaboration , B. Aubert
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