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Related papers: Y(5S) and B_s decays at Belle

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We report a search for the rare charmless decay $B^+\rightarrow\overline{K}{}^{*0}K^{*+}$ using a data sample of $772\times10^6$ $B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB…

High Energy Physics - Experiment · Physics 2015-04-16 Belle Collaboration , Y. M. Goh , Y. Unno , B. G. Cheon , A. Abdesselam , I. Adachi , H. Aihara , S. Al Said , K. Arinstein , V. Aulchenko , T. Aushev , R. Ayad , V. Bansal , E. Barberio , B. Bhuyan , A. Bozek , M. Bračko , T. E. Browder , A. Chen , V. Chobanova , D. Cinabro , Z. Doležal , Z. Drásal , D. Dutta , S. Eidelman , H. Farhat , T. Ferber , V. Gaur , A. Garmash , R. Gillard , B. Golob , J. Haba , T. Hara , H. Hayashii , X. H. He , W. -S. Hou , M. Huschle , T. Iijima , A. Ishikawa , R. Itoh , Y. Iwasaki , I. Jaegle , D. Joffe , T. Julius , K. H. Kang , T. Kawasaki , D. Y. Kim , H. J. Kim , J. B. Kim , J. H. Kim , K. T. Kim , M. J. Kim , S. H. Kim , B. R. Ko , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , T. Kuhr , Y. -J. Kwon , J. S. Lange , I. S. Lee , Y. Li , L. Li Gioi , J. Libby , D. Liventsev , P. Lukin , K. Matsuoka , D. Matvienko , H. Miyake , H. Miyata , R. Mizuk , G. B. Mohanty , S. Mohanty , A. Moll , H. K. Moon , R. Mussa , E. Nakano , T. Nanut , M. Nayak , N. K. Nisar , S. Nishida , S. Ogawa , S. Okuno , W. Ostrowicz , G. Pakhlova , C. W. Park , H. Park , M. Petrič , L. E. Piilonen , E. Ribežl , M. Ritter , A. Rostomyan , Y. Sakai , S. Sandilya , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , K. Senyo , M. E. Sevior , V. Shebalin , T. -A. Shibata , J. -G. Shiu , B. Shwartz , F. Simon , Y. -S. Sohn , A. Sokolov , E. Solovieva , M. Starič , M. Sumihama , T. Sumiyoshi , U. Tamponi , G. Tatishvili , Y. Teramoto , V. Trusov , M. Uchida , S. Uno , Y. Usov , C. Van Hulse , P. Vanhoefer , G. Varner , A. Vinokurova , C. H. Wang , M. -Z. Wang , P. Wang , Y. Watanabe , K. M. Williams , E. Won , S. Yashchenko , Y. Yusa , Z. P. Zhang , V. Zhilich

We report measurements of B meson decays to two kaons using 250/fb of data collected with the Belle detector at the KEKB asymmetric energy e+ e- collider. We find evidence of signals in B+ -> K0(bar) K+ and B0 -> K0 K0(bar) with…

High Energy Physics - Experiment · Physics 2019-08-14 K. Abe

We report on a study of charmless B meson decays to three-kaon final states. The results are obtained with a 78.7 1/fb data sample collected on the Y(4S) resonance by the Belle detector operating at the KEKB asymmetric energy $e^+e^-$…

High Energy Physics - Experiment · Physics 2007-05-23 The Belle Collaboration , K. Abe

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

We report the results of the first search for the decay $B_s^0 \rightarrow \eta^\prime \eta$ using $121.4~\textrm{fb}^{-1}$ of data collected at the $\Upsilon(5S)$ resonance with the Belle detector at the KEKB asymmetric-energy $e^+e^-$…

High Energy Physics - Experiment · Physics 2021-08-25 Belle Collaboration , N. K. Nisar , V. Savinov , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , H. Atmacan , T. Aushev , R. Ayad , V. Babu , S. Bahinipati , P. Behera , J. Bennett , M. Bessner , V. Bhardwaj , B. Bhuyan , T. Bilka , J. Biswal , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , M. Campajola , D. Červenkov , M. -C. Chang , V. Chekelian , A. Chen , B. G. Cheon , K. Chilikin , H. E. Cho , K. Cho , S. -K. Choi , Y. Choi , S. Choudhury , D. Cinabro , S. Cunliffe , S. Das , N. Dash , G. De Nardo , R. Dhamija , F. Di Capua , Z. Doležal , T. V. Dong , S. Dubey , S. Eidelman , D. Epifanov , T. Ferber , D. Ferlewicz , A. Frey , B. G. Fulsom , R. Garg , V. Gaur , N. Gabyshev , A. Garmash , A. Giri , P. Goldenzweig , Y. Guan , K. Gudkova , C. Hadjivasiliou , S. Halder , T. Hara , O. Hartbrich , K. Hayasaka , H. Hayashii , M. T. Hedges , C. -L. Hsu , T. Iijima , K. Inami , A. Ishikawa , R. Itoh , M. Iwasaki , Y. Iwasaki , W. W. Jacobs , S. Jia , Y. Jin , C. W. Joo , K. K. Joo , J. Kahn , A. B. Kaliyar , K. H. Kang , G. Karyan , T. Kawasaki , H. Kichimi , C. Kiesling , C. H. Kim , D. Y. Kim , S. H. Kim , Y. -K. Kim , K. Kinoshita , P. Kodyš , T. Konno , A. Korobov , S. Korpar , E. Kovalenko , P. Križan , R. Kroeger , P. Krokovny , T. Kuhr , M. Kumar , R. Kumar , K. Kumara , A. Kuzmin , Y. -J. Kwon , K. Lalwani , J. S. Lange , S. C. Lee , Y. B. Li , L. Li Gioi , J. Libby , K. Lieret , D. Liventsev , C. MacQueen , M. Masuda , T. Matsuda , D. Matvienko , M. Merola , F. Metzner , R. Mizuk , G. B. Mohanty , S. Mohanty , M. Nakao , A. Natochii , L. Nayak , M. Nayak , S. Nishida , K. Nishimura , S. Ogawa , H. Ono , Y. Onuki , P. Oskin , P. Pakhlov , G. Pakhlova , T. Pang , S. Pardi , H. Park , S. -H. Park , S. Patra , S. Paul , T. K. Pedlar , R. Pestotnik , L. E. Piilonen , T. Podobnik , E. Prencipe , M. T. Prim , M. Röhrken , A. Rostomyan , N. Rout , G. Russo , D. Sahoo , S. Sandilya , A. Sangal , L. Santelj , T. Sanuki , G. Schnell , J. Schueler , C. Schwanda , Y. Seino , K. Senyo , M. E. Sevior , M. Shapkin , C. Sharma , C. P. Shen , J. -G. Shiu , B. Shwartz , F. Simon , E. Solovieva , S. Stanič , 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 , R. Van Tonder , G. Varner , A. Vossen , E. Waheed , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , S. Watanuki , E. Won , X. Xu , B. D. Yabsley , W. Yan , S. B. Yang , H. Ye , Z. P. Zhang , V. Zhilich , V. Zhukova

Using 449 million BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e^+e^- collider, we observe clear signals for B^+-> \bar{K}^0 K^+ and B^0-> \bar{K}^0 K^0 decays with 5.3 sigma and 6.0 sigma significance,…

High Energy Physics - Experiment · Physics 2019-08-14 S. -W. Lin , P. Chang

The Belle experiment at the KEKB asymmetric energy e+e- collider recorded large data sets of both, B and Bs decays. Semileptonic decays B(s) -> X l nu (l = electron or muon) constitute approximately one fifth of the total decay width of…

High Energy Physics - Experiment · Physics 2013-05-17 Christian Oswald

We present the measurements, performed by the Belle II experiment, related to the B and D meson decays. These results are based on 63 fb$^{-1}$ and 9 fb$^{-1}$ of $e^+e^-$ collision data recorded by the Belle II detector at a center-of-mass…

High Energy Physics - Experiment · Physics 2021-05-18 S. Sandilya

We report the observation of the decay Ds1(2536)+ -> D+ pi- K+. We also measure the helicity angle distributions in the decay Ds1(2536)->D*+ K0S and thus constrain the contributions and the phase difference of D and S wave amplitudes in…

High Energy Physics - Experiment · Physics 2011-11-09 The Belle Collaboration , V. Balagura

We report an improved measurement of the branching fraction for B0bar -> DsJ*(2317)+ K- and present evidence of the B0bar -> DsJ(2460)+ K- decay. These results are obtained from a data sample containing 386 million BBbar pairs that was…

High Energy Physics - Experiment · Physics 2019-08-14 K. Abe

We search for the radiative penguin decays B_s to phi gamma and B_s to gamma gamma in a 23.6 fb-1 data sample collected at the Upsilon(5S) resonance with the Belle detector at the KEKB e+e- asymmetric-energy collider. We observe for the…

High Energy Physics - Experiment · Physics 2008-11-26 Belle Collaboration , J. Wicht

With ~10fb$^{-1}$ data from Belle, the results of b to c and u decays have been represented here. Several decay modes have been studied, which include charmonium, semileptonic decay and Cabibbo-suppressed decays mode. The preliminary…

High Energy Physics - Experiment · Physics 2007-05-23 C. H. Wang

We report branching fractions and charge asymmetries for exclusive decays of charged and neutral B mesons to two-body final states containing a charmonium meson, J/psi or psi(2S). This result is based on a 29.4 fb^{-1} data sample collected…

High Energy Physics - Experiment · Physics 2012-08-27 Belle Collaboration

We present the first evidence of the decay B0 --> rho0 pi0, using 140fb^-1 of data collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric e+e- collider. We detect a signal with a significance of 3.5 standard…

High Energy Physics - Experiment · Physics 2019-08-14 J. Dragic , T. Gershon

We report an improved measurement of the decay $B^0 \to \pi^0 \pi^0$, using a data sample of 535 $\times 10^6 B\bar{B}$ pairs collected at the $\Upsilon(4S)$ resonance with the Belle detector at the KEKB asymmetric energy $e^+ e^-$…

High Energy Physics - Experiment · Physics 2012-08-27 Belle Collaboration

This proceeding summarizes the recent measurements of semileptonic $b\to u$ decays from the Belle experiment. These analyses use the full data set collected at the $\Upsilon(4S)$ resonance at KEKB accelerator complex with a center-of-mass…

High Energy Physics - Experiment · Physics 2021-11-02 Lu Cao

We report an observation of the decay $B^0\to D^{*-} \tau^+ \nu_{\tau}$ in a data sample containing $535\times10^6$ $B\bar{B}$ pairs collected with the Belle detector at the KEKB asymmetric-energy $e^+e^-$ collider. We find a signal with a…

High Energy Physics - Experiment · Physics 2019-08-13 A. Matyja , M. Rozanska

We report on recent results on charmless hadronic and radiative rare $B_s^0$ decays, based on the data collected by the Belle experiment at the KEKB $e^+e^-$ collider. These include the studies of $B_s^0\rightarrow K^0\bar{K^0}$,…

High Energy Physics - Experiment · Physics 2019-08-13 Bilas Pal

We report the observation of the decay $B^{\pm} \to \phi \phi K^{\pm}$ and find evidence for $B^{0} \to \phi \phi K^{0}$. These results are based on a 414 fb$^{-1}$ data sample that contains $449 \times 10^6$ $B\bar{B}$ pairs, collected…

High Energy Physics - Experiment · Physics 2012-08-27 Belle Collaboration

We report measurements of the branching fractions for the decays B->D_s1(2536)+ anti-D(*), where anti-D(*) is anti-D0, D- or D*-, and study of B->X(3872) K with X(3872) decaying to D*0 anti-D0 using a sample of 657 million B anti-B pairs…

High Energy Physics - Experiment · Physics 2010-04-06 T. Aushev