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We study the possibility of measuring nonstandard CP violation effects through Dalitz plot analysis in B^\pm -> D_s^\pm D^0 pi^0 decays. The accuracy in the extraction of CP violating phases is analyzed by performing a Monte Carlo…

High Energy Physics - Phenomenology · Physics 2009-11-10 L. Epele , D. Gomez Dumm , R. Mendez-Galain , A. Szynkman

The current results on B to pipi decays and SU2 constraints on the Unitarity Triangle angle alpha or phi_2 from the B-factories are summarised. Based on these measurements, predictions of the isospin analysis constraints at the end of the…

High Energy Physics - Experiment · Physics 2007-05-23 A. J. Bevan

We perform an analysis of the $D^+\rightarrow K^0_S \pi^+ \pi^0$ Dalitz plot using a data set of 2.92 fb$^{-1}$ of $e^+e^-$ collisions at the $\psi(3770)$ accumulated by the BESIII Experiment, in which 166694 candidate events are selected…

High Energy Physics - Experiment · Physics 2013-12-02 Chengdong Fu

We present for the first time a measurement of the weak phase 2b+g obtained from a time-dependent Dalitz plot analysis of B^0 -> D-(+) K0 Pi+(-) decays. Using a sample of approximately 347*10^{6} BBbar pairs collected by the BABAR detector…

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

The BESIII Collaboration recently reported the observation of the $a_0(980)^0-f_0(980)$ mixing in the isospin breaking decay $J/\psi\to \eta\pi^0\phi$. In the Dalitz plot for that decay with the $\eta$ reconstructed from two photons, there…

High Energy Physics - Phenomenology · Physics 2019-12-11 Hao-Jie Jing , Shuntaro Sakai , Feng-Kun Guo , Bing-Song Zou

We report a preliminary measurement of $\cos2\beta$ in $B^0\to D^{(*)0}h^0$ decays with a time-dependent Dalitz plot analysis of $D^0\to K_S\pi^+\pi^-$, where $h^0$ is a light neutral meson such as $\pi^0$, $\eta$, $\eta'$ or $\omega$. The…

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

We present a new determination of the parity of the neutral pion via the double Dalitz decay pi^0 -> e+ e- e+ e-. Our sample, which consists of 30511 candidate decays, was collected from K_L -> pi0 pi0 pi0 decays in flight at the KTeV-E799…

We present preliminary results of a maximum-likelihood Dalitz-plot analysis of the charmless hadronic B decays to the final states pi pi pi and K pi pi from data corresponding to an integrated on-resonance luminosity of 166 fb^-1 recorded…

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

We present measurements of decay amplitudes and triple-product correlations in B -> phi K^* decays based on 253 fb^-1 of data recorded at the Upsilon(4S) resonance with the Belle detector at the KEKB e^+ e^- storage ring. The decay…

High Energy Physics - Experiment · Physics 2019-08-14 K. -F. Chen

We present several recent analyses of Dalitz plots from the CLEO-c experiment, including published and preliminary analyses of D+ to pi- pi+ pi+, D+ to K- pi+ pi+, and D0 to K0_{S,L} pi+ pi- decays. More information on these analyses can be…

High Energy Physics - Experiment · Physics 2019-08-13 Paras Naik , Liming Zhang , Norman Lowrey

We introduce parametrizations of hadronic three-body $B$ and $D$ weak decay amplitudes that can be readily implemented in experimental analyses and are a sound alternative to the simplistic and widely used sum of Breit-Wigner type…

High Energy Physics - Phenomenology · Physics 2017-12-20 D. Boito , J. -P. Dedonder , B. El-Bennich , R. Escribano , R. Kaminski , L. Lesniak , B. Loiseau

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

In the limit of flavor SU(3) symmetry, the amplitudes for Bd->pi^+\pi^- and Bs-> K^+ K^- are related to one another. Taking the values of the weak phases beta and gamma from independent measurements, the ratio Rds=BR(Bs->…

High Energy Physics - Phenomenology · Physics 2009-11-10 David London , Joaquim Matias

Using data collected by the high energy photoproduction experiment FOCUS at Fermilab we performed a Dalitz plot analysis of the Cabibbo favored decay D+ to K-pi+ pi+. This study uses 53653 Dalitz-plot events with a signal fraction of ~ 97%,…

High Energy Physics - Experiment · Physics 2012-08-03 The FOCUS Collaboration , J. M. Link , M. R. Pennington

We analyze the decay B0-->K+ pi- pi0 with a sample of 454 million B Bbar events collected by the BaBar detector at the PEP-II asymmetric-energy B factory at SLAC, and extract the complex amplitudes of seven interfering resonances over the…

High Energy Physics - Experiment · Physics 2011-07-04 The BABAR Collaboration , J. P. Lees

We describe Dalitz plots arising in studies of $D$-meson decays, and what we have learned from them in recent years. After some mention of technique and history, we focus on decay of the $D^\pm$ and $D_s^\pm$ mesons to the $K^-K^+\pi^\pm$…

High Energy Physics - Experiment · Physics 2012-10-10 Milind V. Purohit

Based on a sample of (225.3\pm2.8)\times 10^{6} J/\psi events collected with the BESIII detector, the electromagnetic Dalitz decays of J/\psi \to P e^+e^-(P=\eta'/\eta/\pi^0) are studied. By reconstructing the pseudoscalar mesons in various…

High Energy Physics - Experiment · Physics 2014-05-28 M. Ablikim , M. N. Achasov , X. C. Ai , O. Albayrak , M. Albrecht , D. J. Ambrose , F. F. An , Q. An , J. Z. Bai , R. Baldini Ferroli , Y. Ban , J. V. Bennett , M. Bertani , J. M. Bian , E. Boger , O. Bondarenko , I. Boyko , S. Braun , R. A. Briere , H. Cai , X. Cai , O. Cakir , A. Calcaterra , G. F. Cao , S. A. Cetin , J. F. Chang , G. Chelkov , G. Chen , H. S. Chen , J. C. Chen , M. L. Chen , S. J. Chen , X. Chen , X. R. Chen , Y. B. Chen , H. P. Cheng , X. K. Chu , Y. P. Chu , D. Cronin-Hennessy , H. L. Dai , J. P. Dai , D. Dedovich , Z. Y. Deng , A. Denig , I. Denysenko , M. Destefanis , W. M. Ding , Y. Ding , C. Dong , J. Dong , L. Y. Dong , M. Y. Dong , S. X. Du , J. Z. Fan , J. Fang , S. S. Fang , Y. Fang , L. Fava , C. Q. Feng , C. D. Fu , J. L. Fu , O. Fuks , Q. Gao , Y. Gao , C. Geng , K. Goetzen , W. X. Gong , W. Gradl , M. Greco , M. H. Gu , Y. T. Gu , Y. H. Guan , A. Q. Guo , L. B. Guo , T. Guo , Y. P. Guo , Y. L. Han , F. A. Harris , K. L. He , M. He , Z. Y. He , T. Held , Y. K. Heng , Z. L. Hou , C. Hu , H. M. Hu , J. F. Hu , T. Hu , G. M. Huang , G. S. Huang , H. P. Huang , J. S. Huang , L. Huang , X. T. Huang , Y. Huang , T. Hussain , C. S. Ji , Q. Ji , Q. P. Ji , X. B. Ji , X. L. Ji , L. L. Jiang , L. W. Jiang , X. S. Jiang , J. B. Jiao , Z. Jiao , D. P. Jin , S. Jin , T. Johansson , N. Kalantar-Nayestanaki , X. L. Kang , X. S. Kang , M. Kavatsyuk , B. Kloss , B. Kopf , M. Kornicer , W. Kuehn , A. Kupsc , W. Lai , J. S. Lange , M. Lara , P. Larin , M. Leyhe , C. H. Li , Cheng Li , Cui Li , D. Li , D. M. Li , F. Li , G. Li , H. B. Li , J. C. Li , K. Li , K. Li , Lei Li , P. R. Li , Q. J. Li , T. Li , W. D. Li , W. G. Li , X. L. Li , X. N. Li , X. Q. Li , Z. B. Li , H. Liang , Y. F. Liang , Y. T. Liang , D. X. Lin , B. J. Liu , C. L. Liu , C. X. Liu , F. H. Liu , Fang Liu , Feng Liu , H. B. Liu , H. H. Liu , H. M. Liu , J. Liu , J. P. Liu , K. Liu , K. Y. Liu , P. L. Liu , Q. Liu , S. B. Liu , X. Liu , Y. B. Liu , Z. A. Liu , Zhiqiang Liu , Zhiqing Liu , H. Loehner , X. C. Lou , G. R. Lu , H. J. Lu , H. L. Lu , J. G. Lu , X. R. Lu , Y. Lu , Y. P. Lu , C. L. Luo , M. X. Luo , T. Luo , X. L. Luo , M. Lv , F. C. Ma , H. L. Ma , Q. M. Ma , S. Ma , T. Ma , X. Y. Ma , F. E. Maas , M. Maggiora , Q. A. Malik , Y. J. Mao , Z. P. Mao , J. G. Messchendorp , J. Min , T. J. Min , R. E. Mitchell , X. H. Mo , Y. J. Mo , H. Moeini , C. Morales Morales , K. Moriya , N. Yu. Muchnoi , H. Muramatsu , Y. Nefedov , I. B. Nikolaev , Z. Ning , S. Nisar , X. Y. Niu , S. L. Olsen , Q. Ouyang , S. Pacetti , M. Pelizaeus , H. P. Peng , K. Peters , J. L. Ping , R. G. Ping , R. Poling , N. Q. , M. Qi , S. Qian , C. F. Qiao , L. Q. Qin , X. S. Qin , Y. Qin , Z. H. Qin , J. F. Qiu , K. H. Rashid , C. F. Redmer , M. Ripka , G. Rong , X. D. Ruan , A. Sarantsev , K. Schoenning , S. Schumann , W. Shan , M. Shao , C. P. Shen , X. Y. Shen , H. Y. Sheng , M. R. Shepherd , W. M. Song , X. Y. Song , S. Spataro , B. Spruck , G. X. Sun , J. F. Sun , S. S. Sun , Y. J. Sun , Y. Z. Sun , Z. J. Sun , Z. T. Sun , C. J. Tang , X. Tang , I. Tapan , E. H. Thorndike , D. Toth , M. Ullrich , I. Uman , G. S. Varner , B. Wang , D. Wang , D. Y. Wang , K. Wang , L. L. Wang , L. S. Wang , M. Wang , P. Wang , P. L. Wang , Q. J. Wang , S. G. Wang , W. Wang , X. F. Wang , Y. D. Wang , Y. F. Wang , Y. Q. Wang , Z. Wang , Z. G. Wang , Z. H. Wang , Z. Y. Wang , D. H. Wei , J. B. Wei , P. Weidenkaff , S. P. Wen , M. Werner , U. Wiedner , M. Wolke , L. H. Wu , N. Wu , Z. Wu , L. G. Xia , Y. Xia , D. Xiao , Z. J. Xiao , Y. G. Xie , Q. L. Xiu , G. F. Xu , L. Xu , Q. J. Xu , Q. N. Xu , X. P. Xu , Z. Xue , L. Yan , W. B. Yan , W. C. Yan , Y. H. Yan , H. X. Yang , L. Yang , Y. Yang , Y. X. Yang , H. Ye , M. Ye , M. H. Ye , B. X. Yu , C. X. Yu , H. W. Yu , J. S. Yu , S. P. Yu , C. Z. Yuan , W. L. Yuan , Y. Yuan , A. Yuncu , A. A. Zafar , A. Zallo , S. L. Zang , Y. Zeng , B. X. Zhang , B. Y. Zhang , C. Zhang , C. B. Zhang , C. C. Zhang , D. H. Zhang , H. H. Zhang , H. Y. Zhang , J. J. Zhang , J. Q. Zhang , J. W. Zhang , J. Y. Zhang , J. Z. Zhang , S. H. Zhang , X. J. Zhang , X. Y. Zhang , Y. Zhang , Y. H. Zhang , Z. H. Zhang , Z. P. Zhang , Z. Y. Zhang , G. Zhao , J. W. Zhao , Lei Zhao , Ling Zhao , M. G. Zhao , Q. Zhao , Q. W. Zhao , S. J. Zhao , T. C. Zhao , X. H. Zhao , Y. B. Zhao , Z. G. Zhao , A. Zhemchugov , B. Zheng , J. P. Zheng , Y. H. Zheng , B. Zhong , L. Zhou , Li Zhou , X. Zhou , X. K. Zhou , X. R. Zhou , X. Y. Zhou , K. Zhu , K. J. Zhu , S. H. Zhu , X. L. Zhu , Y. C. Zhu , Y. S. Zhu , Z. A. Zhu , J. Zhuang , B. S. Zou , J. H. Zou

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…

High Energy Physics - Experiment · Physics 2007-08-17 The BABAR Collaboration , B. Aubert

We discuss some aspects of the search for CP asymmetry in the three body B decays, revealed through the interference among neighbor resonances in the Dalitz plot. We propose a competitive method to extract the CKM $\gamma$ angle combining…

High Energy Physics - Phenomenology · Physics 2013-05-29 Ignacio Bediaga , Gabriel Guerrer , Jussara M. de Miranda