English
Related papers

Related papers: CP Violation in Multibody $B$ Decays from QCD Fact…

200 papers

Charmless 3-body decays of B mesons are studied in a simple model based on the factorization approach. We have identified two distinct sources of nonresonant contributions: a small contribution from the tree transition and a large source of…

High Energy Physics - Phenomenology · Physics 2008-06-19 Hai-Yang Cheng

We present a model-independent analysis of CP violation, inspired by recent experimental observations, in charmed meson decays. The topological diagram approach is used to study direct CP asymmetries for singly Cabibbo-suppressed two-body…

High Energy Physics - Phenomenology · Physics 2015-06-25 Rohit Dhir , C. S. Kim , Sechul Oh

This is a quick review of CP non-conservation in $B$ physics. Several methods are described for testing the Kobayashi-Maskawa single phase origin of CP violation in B decays, pointing out some limitations due to hadronic uncertainties. A…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Gronau

CP violation in $B$ decays is reviewed in the Standard Model (SM) and beyond the SM. The present explanation of CP violation in terms of a phase in the Cabibbo-Kobayashi-Maskawa (CKM) matrix can be tested through a variety of CP asymmetries…

High Energy Physics - Phenomenology · Physics 2016-09-06 Michael Gronau

We analyse the four-body $B\rightarrow \phi(\rightarrow K\bar K)K^*(\rightarrow K\pi)$ decays in the perturbative QCD approach,where the invariant mass of $K\bar K$($K\pi$) system is limited in a window of $\pm 15$ MeV ($\pm150$ MeV) around…

High Energy Physics - Phenomenology · Physics 2022-03-10 Chao-Qi Zhang , Jia-Ming Li , Meng-Kun Jia , Ya Li , Zhou Rui

Recent experiments suggest that certain data of $B \to \pi\pi,\pi K$ decays are inconsistent with the standard model expectations. We try to explain the discrepancies with R-parity violating suppersymmetry. By employing the QCD…

High Energy Physics - Phenomenology · Physics 2014-11-18 Ya-Dong Yang , Rumin Wang , G. R. Lu

CP violation in supersymmetry can give rise to rate asymmetries in the decays of supersymmetric particles. In this work we compute the rate asymmetries for the three-body chargino decays \tilde\chi^\pm_2 \to \tilde\chi^\pm_1 HH,…

High Energy Physics - Phenomenology · Physics 2009-12-07 Makiko Nagashima , Ken Kiers , Alejandro Szynkman , David London , Jenna Hanchey , Kevin Little

$CP$ violation asymmetry is expected to be very small within the Standard Model. Observation of $CP$ violation in charm sector would hint towards New Physics. Time-reversal asymmetry is sensitive to $CPV$ via the $CPT$ Theorem, and is a…

High Energy Physics - Experiment · Physics 2019-01-15 S. Bahinipati

Two-body charmless hadronic B decays involving a light tensor meson in the final states are studied in the perturbative QCD approach based on $k_T$ factorization. From our calculations, we find that the decay branching ratios for color…

High Energy Physics - Phenomenology · Physics 2013-05-30 Zhi-Tian Zou , Xin Yu , Cai-Dian Lu

We improve the perturbative QCD (PQCD) formalism for multi-body charmless hadronic $B$ meson decays, such as $B\to VP_3\to P_1P_2P_3$, by resolving the possible discrepancy in parametrizing the contribution of the $P$-wave resonance $V$ to…

High Energy Physics - Phenomenology · Physics 2025-04-29 Da-Cheng Yan , Hsiang-nan Li , Zhou Rui , Zhen-Jun Xiao , Ya Li

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

A formalism for measuring time-dependent CP violation in B_q -> J/\psi h+ h- decays with J/\psi-> mu+ mu- is developed for the general case where there can be many h+ h- final states of different angular momentum present. Here h refers to…

High Energy Physics - Phenomenology · Physics 2013-02-11 Liming Zhang , Sheldon Stone

Using the general factorization approach, we present a detailed investigation for the branching ratios, CP asymmetries and longitudinal polarization fractions in all charmless hadronic $B \to VV$ decays (except for the pure annihilation…

High Energy Physics - Phenomenology · Physics 2008-11-26 Shou-Shan Bao , Fang Su , Yue-Liang Wu , Ci Zhuang

We analyze the three-body charmless decay B+- -> K+-K+-K-+ using a sample of 226.0 +- 2.5 million BBbar pairs collected by the BABAR detector. We measure the total branching fraction and CP asymmetry to be B = (35.2 +- 0.9 +-1.6) x 10^{-6}…

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

Within the framework of the perturbative QCD approach utilizing $K_T$ factorization, we have investigated the CP violations and branching ratios in the decay processes of $B_{c}^{+}\to D_{(s)} ^{+}V(V\rightarrow\pi^{+}\pi^{-})$ and…

High Energy Physics - Phenomenology · Physics 2025-02-07 Kun Shuai Ye , Gang Lü , Na-Wang , Jian Chai , Xin-Heng Guo

Decay rates and time-dependent and direct CP asymmetries in the decays $B^0\to K^+K^-K_{S(L)}$ and $K_S K_S K_{S(L)}$ are studied. Resonant and nonresonant contributions to the three-body decays are carefully investigated. Nonresonant…

High Energy Physics - Phenomenology · Physics 2014-11-18 Hai-Yang Cheng , Chun-Khiang Chua , Amarjit Soni

We report on a search for direct CP asymmetry in the singly Cabibbo-suppressed decay D+- --> K+ K- pi+- using a data sample of 476 fb-1 accumulated with the BaBar detector running at and just below the Y(4S) resonance. The CP-violating…

High Energy Physics - Experiment · Physics 2013-03-14 BaBar Collaboration , J. P. Lees , V. Poireau , V. Tisserand , J. Garra Tico , E. Grauges , A. Palano , G. Eigen , B. Stugu , D. N. Brown , L. T. Kerth , Yu. G. Kolomensky , G. Lynch , H. Koch , T. Schroeder , D. J. Asgeirsson , C. Hearty , T. S. Mattison , J. A. McKenna , R. Y. So , A. Khan , V. E. Blinov , A. R. Buzykaev , V. P. Druzhinin , V. B. Golubev , E. A. Kravchenko , A. P. Onuchin , S. I. Serednyakov , Yu. I. Skovpen , E. P. Solodov , K. Yu. Todyshev , A. N. Yushkov , M. Bondioli , D. Kirkby , A. J. Lankford , M. Mandelkern , H. Atmacan , J. W. Gary , F. Liu , O. Long , G. M. Vitug , C. Campagnari , T. M. Hong , D. Kovalskyi , J. D. Richman , C. A. West , A. M. Eisner , J. Kroseberg , W. S. Lockman , A. J. Martinez , B. A. Schumm , A. Seiden , D. S. Chao , C. H. Cheng , B. Echenard , K. T. Flood , D. G. Hitlin , P. Ongmongkolkul , F. C. Porter , A. Y. Rakitin , R. Andreassen , Z. Huard , B. T. Meadows , M. D. Sokoloff , L. Sun , P. C. Bloom , W. T. Ford , A. Gaz , U. Nauenberg , J. G. Smith , S. R. Wagner , R. Ayad , W. H. Toki , B. Spaan , K. R. Schubert , R. Schwierz , D. Bernard , M. Verderi , P. J. Clark , S. Playfer , D. Bettoni , C. Bozzi , R. Calabrese , G. Cibinetto , E. Fioravanti , I. Garzia , E. Luppi , L. Piemontese , V. Santoro , R. Baldini-Ferroli , A. Calcaterra , R. de Sangro , G. Finocchiaro , P. Patteri , M. Piccolo , M. Rama , A. Zallo , R. Contri , E. Guido , M. Lo Vetere , M. R. Monge , S. Passaggio , C. Patrignani , E. Robutti , B. Bhuyan , V. Prasad , C. L. Lee , M. Morii , A. J. Edwards , A. Adametz , U. Uwer , H. M. Lacker , T. Lueck , P. D. Dauncey , U. Mallik , C. Chen , J. Cochran , W. T. Meyer , S. Prell , A. E. Rubin , A. V. Gritsan , Z. J. Guo , N. Arnaud , M. Davier , D. Derkach , G. Grosdidier , F. Le Diberder , A. M. Lutz , B. Malaescu , P. Roudeau , M. H. Schune , A. Stocchi , G. Wormser , D. J. Lange , D. M. Wright , C. A. Chavez , J. P. Coleman , J. R. Fry , E. Gabathuler , D. E. Hutchcroft , D. J. Payne , C. Touramanis , A. J. Bevan , F. Di Lodovico , R. Sacco , M. Sigamani , G. Cowan , D. N. Brown , C. L. Davis , A. G. Denig , M. Fritsch , W. Gradl , K. Griessinger , A. Hafner , E. Prencipe , R. J. Barlow , G. Jackson , G. D. Lafferty , E. Behn , R. Cenci , B. Hamilton , A. Jawahery , D. A. Roberts , C. Dallapiccola , R. Cowan , D. Dujmic , G. Sciolla , R. Cheaib , D. Lindemann , P. M. Patel , S. H. Robertson , P. Biassoni , N. Neri , F. Palombo , S. Stracka , L. Cremaldi , R. Godang , R. Kroeger , P. Sonnek , D. J. Summers , X. Nguyen , M. Simard , P. Taras , G. De Nardo , D. Monorchio , G. Onorato , C. Sciacca , M. Martinelli , G. Raven , C. P. Jessop , J. M. LoSecco , W. F. Wang , K. Honscheid , R. Kass , J. Brau , R. Frey , N. B. Sinev , D. Strom , E. Torrence , E. Feltresi , N. Gagliardi , M. Margoni , M. Morandin , M. Posocco , M. Rotondo , G. Simi , F. Simonetto , R. Stroili , S. Akar , E. Ben-Haim , M. Bomben , G. R. Bonneaud , H. Briand , G. Calderini , J. Chauveau , O. Hamon , Ph. Leruste , G. Marchiori , J. Ocariz , S. Sitt , M. Biasini , E. Manoni , S. Pacetti , A. Rossi , C. Angelini , G. Batignani , S. Bettarini , M. Carpinelli , G. Casarosa , A. Cervelli , F. Forti , M. A. Giorgi , A. Lusiani , B. Oberhof , E. Paoloni , A. Perez , G. Rizzo , J. J. Walsh , D. Lopes Pegna , J. Olsen , A. J. S. Smith , A. V. Telnov , F. Anulli , R. Faccini , F. Ferrarotto , F. Ferroni , M. Gaspero , L. Li Gioi , M. A. Mazzoni , G. Piredda , C. Bunger , O. Grunberg , T. Hartmann , T. Leddig , C. Voss , R. Waldi , T. Adye , E. O. Olaiya , F. F. Wilson , S. Emery , G. Hamel de Monchenault , G. Vasseur , Ch. Yeche , D. Aston , D. J. Bard , R. Bartoldus , J. F. Benitez , C. Cartaro , M. R. Convery , J. Dorfan , G. P. Dubois-Felsmann , W. Dunwoodie , M. Ebert , R. C. Field , M. Franco Sevilla , B. G. Fulsom , A. M. Gabareen , M. T. Graham , P. Grenier , C. Hast , W. R. Innes , M. H. Kelsey , P. Kim , M. L. Kocian , D. W. G. S. Leith , P. Lewis , B. Lindquist , S. Luitz , V. Luth , H. L. Lynch , D. B. MacFarlane , D. R. Muller , H. Neal , S. Nelson , M. Perl , T. Pulliam , B. N. Ratcliff , A. Roodman , A. A. Salnikov , R. H. Schindler , A. Snyder , D. Su , M. K. Sullivan , J. Va'vra , A. P. Wagner , W. J. Wisniewski , M. Wittgen , D. H. Wright , H. W. Wulsin , C. C. Young , V. Ziegler , W. Park , M. V. Purohit , R. M. White , J. R. Wilson , A. Randle-Conde , S. J. Sekula , M. Bellis , P. R. Burchat , T. S. Miyashita , E. M. T. Puccio , M. S. Alam , J. A. Ernst , R. Gorodeisky , N. Guttman , D. R. Peimer , A. Soffer , P. Lund , S. M. Spanier , J. L. Ritchie , A. M. Ruland , R. F. Schwitters , B. C. Wray , J. M. Izen , X. C. Lou , F. Bianchi , D. Gamba , S. Zambito , L. Lanceri , L. Vitale , F. Martinez-Vidal , A. Oyanguren , P. Villanueva-Perez , H. Ahmed , J. Albert , Sw. Banerjee , F. U. Bernlochner , H. H. F. Choi , G. J. King , R. Kowalewski , M. J. Lewczuk , I. M. Nugent , J. M. Roney , R. J. Sobie , N. Tasneem , T. J. Gershon , P. F. Harrison , T. E. Latham , H. R. Band , S. Dasu , Y. Pan , R. Prepost , S. L. Wu

Supersymmetric models with nonuniversal down type squark masses can enrich the chiral structure and CP violating phenomena in $b\to s\gamma$ decays. Direct CP violation in $b\to s \gamma$, mixing induced CP violation in radiative $B_{d,s}$…

High Energy Physics - Phenomenology · Physics 2016-08-25 Chun-Khiang Chua , Xiao-Gang He , Wei-Shu Hou

CP-violating effects in decays of B mesons offer a wide spectrum of probes for testing the phase structure of the quark-flavour sector of the Standard Model. After a brief discussion of the picture emerging from the current LHC data, the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Robert Fleischer

We report on a search for CP asymmetry in the singly Cabibbo-suppressed decay D+ -> K+ K- pi+ using a data sample of 818 pb-1 accumulated with the CLEO-c detector on the psi(3770) resonance. A Dalitz-plot analysis is used to determine the…

High Energy Physics - Experiment · Physics 2010-04-08 CLEO Collaboration , P. Rubin