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The latest experimental results in charmless B decays are presented with a focus on CP violation measurements. These include the first observation of CP violation in B_s decays, evidence for CP violation in charmless three-body B+ decays,…

High Energy Physics - Experiment · Physics 2013-08-09 Irina Nasteva

The three-body charmless hadronic decay $B^0_s \rightarrow K^{0}_{\rm S} \pi^{+}\pi^{-}$ provides a number of novel possibilities to search for CP violation effects and test the Standard Model of particle physics. These include fits to the…

High Energy Physics - Phenomenology · Physics 2014-11-10 Tim Gershon , Thomas Latham , Rafael Silva Coutinho

Recently, we have seen interesting progress in the exploration of CP violation in B^0_d -> pi^+ pi^-: the measurements of mixing-induced CP violation by the BaBar and Belle collaborations are now in good agreement with each other, whereas…

High Energy Physics - Phenomenology · Physics 2008-11-26 Robert Fleischer , Stefan Recksiegel , Felix Schwab

Hadronic $B$ decays without a charm quark constitute a powerful probe to search for physics beyond the standard model as well as to provide constraints on $CP$ violation parameters. We report final measurements from Belle of the branching…

High Energy Physics - Experiment · Physics 2017-10-10 A. B. Kaliyar

We review recent experimental results on direct CP violation. The hot topic is a measurement in charmless two-body decays of B0, B+. In connection to this the first analogous measurements in Bs0 and Lambda_b0 decays are now available.…

High Energy Physics - Experiment · Physics 2008-07-01 M. Kreps

We have studied charmless hadronic decays of B mesons into two-body final states with kaons and pions and observe three new processes with the following branching fractions: BR(B-> pi+ pi-) = (4.3^{+1.6}_{-1.4} \pm 0.5) \times 10^{-6},…

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

We have studied charmless hadronic decays of B mesons into two-body final states with kaons and pions. We present preliminary results based on 9.66 million $B\bar{B}$ pairs collected with the CLEO detector. We have made the first…

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

We report on a search for charmless hadronic B decays to the three-body final states, K0S h+ pi-, K+ h- pi0, K0S h+ pi0 (h+- denotes a charged pion or kaon), and their charge conjugates, using 13.5 fb^{-1} of integrated luminosity produced…

High Energy Physics - Experiment · Physics 2010-04-08 E. Eckhart

We report results of a study of charmless B meson decays to three-body KPiPi, KKPi and KKK final states. Measurements of branching fractions for B decays to K+0Pi+Pi-, K+K+K-, K0K+K-, KsKsK+ and KsKsKs final states are presented. The decays…

High Energy Physics - Experiment · Physics 2008-11-26 A. Garmash

We have searched for two-body charmless hadronic decays of $B$ mesons. Final states include $\pi\pi$, $K \pi$, and $KK$ with both charged and neutral kaons and pions; $\pi\rho$, $K \rho$, and $K^*\pi$; and $K\phi$, $ K^*\phi$, and…

High Energy Physics - Experiment · Physics 2008-11-26 CLEO Collaboration , D. M. Asner et al

We report updated measurements of indirect and direct CP asymmetry in decays $D^0 \to K^+K^-,\pi^+\pi^-$ and a new measurement of direct and indirect CP asymmetry in decays $D^0 \to \pi^0\pi^0$, using the full data sample of the Belle…

High Energy Physics - Experiment · Physics 2019-08-13 Tara Nanut

We have studied two-body charmless hadronic decays of B mesons into the final states $\pi\pi$, $K \pi$, and $KK$. Using 3.3 million $B\bar{B}$ pairs collected with the CLEO-II detector, we have made the first observation of the decays…

High Energy Physics - Experiment · Physics 2010-04-08 CLEO Collaboration , R. Godang et al

We report measurements of charmless hadronic B^0 decays into the pi+pi-K+pi+ final state. The analysis uses a sample of 657x10^6 BBbar pairs collected with the Belle detector at the KEKB asymmetric-energy e+e- collider at the Y(4S)…

High Energy Physics - Experiment · Physics 2009-09-24 Belle Collaboration , S. -H. Kyeong , Y. -J. Kwon

There are several exciting results for the hadronic B decays of Belle and BaBar recently. My report focuses on the ratios of branching fractions and $CP$ asymmetry for $B \to hh$ decays at Belle and BaBar where $h$ denotes $\pi$ or $K$. The…

High Energy Physics - Experiment · Physics 2019-08-12 S. -W. Lin

Effects of CP violation and of final state interactions between pairs of pseudoscalar mesons are studied in three-body B+, B-, B0 and antiB0 decays into K pi pi. An alternative approach to the isobar model for three-body B decays is…

High Energy Physics - Phenomenology · Physics 2008-11-26 L. Lesniak , B. El-Bennich , A. Furman , R. Kaminski , B. Loiseau , B. Moussallam

We report a study of the charmless hadronic decay of the charged $B$ meson to the three-body final state $K^+ K^- \pi^+$. The results are based on a data sample that contains $772\times10^6$ $B \bar{B}$ pairs collected at the $\Upsilon(4S)$…

High Energy Physics - Experiment · Physics 2017-12-11 Belle Collaboration , C. -L. Hsu , D. Dossett , M. E. Sevior , I. Adachi , H. Aihara , S. Al Said , D. M. Asner , H. Atmacan , V. Aulchenko , T. Aushev , I. Badhrees , A. M. Bakich , E. Barberio , P. Behera , M. Berger , V. Bhardwaj , B. Bhuyan , J. Biswal , T. Bloomfield , A. Bondar , G. Bonvicini , A. Bozek , M. Bračko , T. E. Browder , V. Chekelian , A. Chen , K. Chilikin , R. Chistov , K. Cho , Y. Choi , D. Cinabro , N. Dash , S. Di Carlo , Z. Doležal , Z. Drásal , S. Eidelman , H. Farhat , J. E. Fast , B. G. Fulsom , V. Gaur , N. Gabyshev , A. Garmash , P. Goldenzweig , B. Golob , O. Grzymkowska , E. Guido , T. Hara , K. Hayasaka , H. Hayashii , M. T. Hedges , W. -S. Hou , K. Inami , G. Inguglia , A. Ishikawa , W. W. Jacobs , I. Jaegle , H. B. Jeon , Y. Jin , D. Joffe , K. K. Joo , T. Julius , A. B. Kaliyar , K. H. Kang , P. Katrenko , T. Kawasaki , C. Kiesling , D. Y. Kim , H. J. Kim , J. B. Kim , K. T. Kim , M. J. Kim , S. H. Kim , P. Kodyš , S. Korpar , D. Kotchetkov , P. Križan , P. Krokovny , T. Kuhr , R. Kulasiri , A. Kuzmin , Y. -J. Kwon , Y. -T. Lai , J. S. Lange , C. H. Li , L. Li , L. Li Gioi , J. Libby , D. Liventsev , M. Lubej , T. Luo , M. Masuda , T. Matsuda , D. Matvienko , K. Miyabayashi , H. Miyata , R. Mizuk , G. B. Mohanty , T. Mori , R. Mussa , E. Nakano , M. Nakao , T. Nanut , K. J. Nath , Z. Natkaniec , M. Nayak , N. K. Nisar , S. Nishida , S. Ogawa , S. Okuno , H. Ono , Y. Onuki , G. Pakhlova , B. Pal , C. -S. Park , C. W. Park , H. Park , S. Paul , L. Pesántez , L. E. Piilonen , A. Rostomyan , Y. Sakai , S. Sandilya , T. Sanuki , Y. Sato , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , Y. Seino , K. Senyo , V. Shebalin , T. -A. Shibata , J. -G. Shiu , B. Shwartz , F. Simon , E. Solovieva , M. Starič , J. F. Strube , K. Sumisawa , M. Takizawa , F. Tenchini , M. Uchida , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Usov , C. Van Hulse , G. Varner , K. E. Varvell , V. Vorobyev , E. Waheed , C. H. Wang , M. -Z. Wang , X. L. Wang , M. Watanabe , Y. Watanabe , E. Widmann , K. M. Williams , E. Won , Y. Yamashita , H. Ye , Z. P. Zhang , V. Zhilich , V. Zhukova , V. Zhulanov , A. Zupanc

Relative branching fractions of Bd,Bs --> h+ h'- decays (where h,h'= K or pi) and direct CP asymmetry in Bd --> K+ pi- have been measured with 180 pb-1 of data collected by the CDFII detector at the Tevatron collider. This includes the…

High Energy Physics - Experiment · Physics 2019-08-14 Giovanni Punzi

We report the recent results related to $\pi-K$ interactions based on the data collected by the Belle experiment at the KEKB collider. This includes the branching fraction and $CP$ asymmetry measurements of $B^+\to K^+K^-\pi^+$ decay,…

High Energy Physics - Experiment · Physics 2018-03-01 Bilas Pal

We present updated measurements of branching fractions and CP-violating asymmetries for neutral B meson decays to two-body final states of charged pions and kaons. The results are obtained from a data sample of about 60 million Y(4S) to BB…

High Energy Physics - Experiment · Physics 2007-05-23 P. D. Dauncey

Recently, we developed a strategy to analyse the B -> pi pi,pi K data. We found that the B -> pi pi measurements can be accommodated in the Standard Model (SM) through large non-factorizable effects. On the other hand, our analysis of the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrzej J. Buras , Robert Fleischer , Stefan Recksiegel , Felix Schwab
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