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Related papers: Recent results on D^0 mixing from Belle

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We observe evidence for $D^0 - \bar{D}^0$ mixing by measuring the difference in apparent lifetime when a $D^0$ meson decays to the CP eigenstates $K^+K^-$ and $\pi^+\pi^-$, and when it decays to the final state $K^-\pi^+$. We find…

High Energy Physics - Experiment · Physics 2008-11-26 Belle Collaboration , M. Staric

We report a measurement of ${D^{0}}$-${\overline{D}{}^{0}}$ mixing parameters and a search for indirect $CP$ violation through a time-dependent amplitude analysis of ${D^0\to K_S^0\pi^+\pi^-}$ decays. The results are based on 921~fb$^{-1}$…

High Energy Physics - Experiment · Physics 2014-06-11 Belle Collaboration , A. Abdesselam , I. Adachi , H. Aihara , K. Arinstein , D. M. Asner , V. Aulchenko , T. Aushev , R. Ayad , A. M. Bakich , A. Bala , V. Bhardwaj , B. Bhuyan , A. Bobrov , A. Bondar , G. Bonvicini , A. Bozek , D. Červenkov , V. Chekelian , A. Chen , B. G. Cheon , I. -S. Cho , K. Cho , V. Chobanova , Y. Choi , D. Cinabro , J. Dalseno , M. Danilov , Z. Doležal , Z. Drásal , A. Drutskoy , D. Dutta , S. Eidelman , H. Farhat , J. E. Fast , T. Ferber , O. Frost , V. Gaur , S. Ganguly , A. Garmash , R. Gillard , Y. M. Goh , B. Golob , J. Haba , T. Hara , K. Hayasaka , H. Hayashii , X. H. He , Y. Hoshi , W. -S. Hou , H. J. Hyun , T. Iijima , A. Ishikawa , R. Itoh , Y. Iwasaki , T. Iwashita , I. Jaegle , T. Julius , J. H. Kang , E. Kato , P. Katrenko , H. Kawai , T. Kawasaki , H. Kichimi , D. Y. Kim , H. J. Kim , J. B. Kim , J. H. Kim , M. J. Kim , Y. J. Kim , K. Kinoshita , J. Klucar , B. R. Ko , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , B. Kronenbitter , T. Kuhr , R. Kumar , T. Kumita , A. Kuzmin , S. -H. Lee , Y. Li , L. Li Gioi , J. Libby , C. Liu , Y. Liu , Z. Q. Liu , D. Liventsev , P. Lukin , H. Miyata , R. Mizuk , G. B. Mohanty , A. Moll , R. Mussa , M. Nakao , Z. Natkaniec , M. Nayak , E. Nedelkovska , N. K. Nisar , S. Nishida , O. Nitoh , S. Ogawa , P. Pakhlov , H. Park , H. K. Park , T. K. Pedlar , R. Pestotnik , M. Petrič , L. E. Piilonen , E. Ribežl , M. Ritter , M. Röhrken , A. Rostomyan , H. Sahoo , T. Saito , Y. Sakai , S. Sandilya , D. Santel , L. Santelj , T. Sanuki , Y. Sato , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , R. Seidl , D. Semmler , K. Senyo , M. E. Sevior , M. Shapkin , V. Shebalin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , Y. -S. Sohn , A. Sokolov , E. Solovieva , S. Stanič , M. Starič , T. Sumiyoshi , U. Tamponi , G. Tatishvili , Y. Teramoto , K. Trabelsi , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Ushiroda , Y. Usov , C. Van Hulse , P. Vanhoefer , G. Varner , K. E. Varvell , A. Vinokurova , V. Vorobyev , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , X. L. Wang , M. Watanabe , Y. Watanabe , S. Wehle , K. M. Williams , E. Won , Y. Yamashita , S. Yashchenko , Y. Yook , C. Z. Yuan , C. C. Zhang , V. Zhilich , V. Zhulanov , A. Zupanc

We report the results on $D^0$-$\bar{D}^0$ mixing in the decays of $D^0\to K^+\pi^-$ and $D^0\to K_S^0\pi^+\pi^-$, and CP violation in $D^0\to\pi^0\pi^0$ using a data sample with an integrated luminosity of about 1~ab$^{-1}$ recorded with…

High Energy Physics - Experiment · Physics 2014-11-11 N. K. Nisar

We observe $D^0-\bar{D}^0$ mixing in the decay $D^0\rightarrow K^+\pi^-$ using a data sample of integrated luminosity 976 fb$^{-1}$ collected with the Belle detector at the KEKB $e^+e^-$ asymmetric-energy collider. We measure the mixing…

High Energy Physics - Experiment · Physics 2014-03-21 B. R. Ko , E. Won , I. Adachi , H. Aihara , K. Arinstein , D. M. Asner , V. Aulchenko , T. Aushev , A. Bala , V. Bhardwaj , B. Bhuyan , A. Bobrov , A. Bondar , A. Bozek , M. Bračko , T. E. Browder , D. Červenkov , A. Chen , B. G. Cheon , K. Chilikin , R. Chistov , I. -S. Cho , K. Cho , V. Chobanova , S. -K. Choi , Y. Choi , D. Cinabro , J. Dalseno , M. Danilov , Z. Doležal , Z. Drásal , D. Dutta , K. Dutta , S. Eidelman , D. Epifanov , H. Farhat , J. E. Fast , T. Ferber , V. Gaur , S. Ganguly , A. Garmash , R. Gillard , R. Glattauer , Y. M. Goh , B. Golob , J. Haba , T. Hara , H. Hayashii , X. H. He , T. Higuchi , Y. Hoshi , W. -S. Hou , H. J. Hyun , T. Iijima , A. Ishikawa , R. Itoh , Y. Iwasaki , T. Iwashita , I. Jaegle , T. Julius , T. Kawasaki , C. Kiesling , D. Y. Kim , J. B. Kim , J. H. Kim , M. J. Kim , Y. J. Kim , J. Klucar , P. Kodyš , S. Korpar , P. Križan , P. Krokovny , T. Kuhr , T. Kumita , A. Kuzmin , Y. -J. Kwon , J. S. Lange , S. -H. Lee , J. Li , Y. Li , J. Libby , C. Liu , Z. Q. Liu , P. Lukin , D. Matvienko , K. Miyabayashi , H. Miyata , G. B. Mohanty , A. Moll , R. Mussa , Y. Nagasaka , E. Nakano , M. Nakao , Z. Natkaniec , M. Nayak , E. Nedelkovska , N. K. Nisar , O. Nitoh , S. Ogawa , S. Okuno , G. Pakhlova , C. W. Park , H. K. Park , T. K. Pedlar , T. Peng , M. Petrič , L. E. Piilonen , M. Ritter , M. Röhrken , A. Rostomyan , S. Ryu , H. Sahoo , Y. Sakai , L. Santelj , T. Sanuki , V. Savinov , O. Schneider , G. Schnell , C. Schwanda , A. J. Schwartz , R. Seidl , O. Seon , M. E. Sevior , M. Shapkin , C. P. Shen , T. -A. Shibata , J. -G. Shiu , B. Shwartz , A. Sibidanov , F. Simon , J. B. Singh , Y. -S. Sohn , A. Sokolov , S. Stanič , M. Starič , M. Steder , T. Sumiyoshi , U. Tamponi , G. Tatishvili , Y. Teramoto , K. Trabelsi , M. Uchida , S. Uehara , T. Uglov , Y. Unno , S. Uno , P. Urquijo , Y. Usov , S. E. Vahsen , C. Van Hulse , P. Vanhoefer , G. Varner , A. Vinokurova , V. Vorobyev , M. N. Wagner , C. H. Wang , M. -Z. Wang , P. Wang , Y. Watanabe , H. Yamamoto , Y. Yamashita , S. Yashchenko , Y. Yook , C. C. Zhang , Z. P. Zhang , V. Zhilich , A. Zupanc

In these proceedings, we give a summary of the experimental results from CLEO, Belle, BaBar and CDF collaboration about $D^0-\bar{D}^0$ mixing and CP violation in self-conjugated-three-body decays $D^0\rightarrow K_S^0hh$ (where $h$ can be…

High Energy Physics - Experiment · Physics 2013-10-24 Longke Li

We report an improved measurement of D0-D0bar mixing and a search for CP violation in D0 decays to CP-even final states K+K- and pi+pi-. The measurement is based on the final Belle data sample of 976/fb. The results are y_CP=(1.11 +- 0.22…

High Energy Physics - Experiment · Physics 2015-12-22 Belle Collaboration

We present charm CP violation and mixing measurements at Belle. They are the first observation of $D^0-\bar{D}^0$ mixing in $e^+e^-$ collisions from $D^0\rightarrow K^+\pi^-$ decays, the most precise mixing and indirect CP violation…

High Energy Physics - Experiment · Physics 2019-08-13 B. R. Ko

We report a measurement of D0-D0bar mixing in D0->Ks pi+ pi- decays using a time-dependent Dalitz plot analysis. We first assume CP conservation and subsequently allow for CP violation. The results are based on 540 fb$^{-1}$ of data…

High Energy Physics - Experiment · Physics 2019-08-12 L. M. Zhang

We present a measurement of the $D^0$-$\overline{D}{}^0$ mixing parameter $y_{CP}$ using a flavor-untagged sample of $D^0\to K_S^0K^+K^-$ decays. The measurement is based on a 673 fb$^{-1}$ data sample recorded with the Belle detector at…

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

We present a measurement of the $D^0$-$\overline{D}^0$ mixing parameter $y_{CP}$ using a flavor-untagged sample of $D^0\to K_S^0K^+K^-$ decays. The measurement is based on a 673 fb$^{-1}$ data sample recorded by the Belle detector at the…

High Energy Physics - Experiment · Physics 2008-08-04 The Belle Collaboration , I. Adachi

We report the new measurement of D0 - D0bar mixing in decays to K+K- and pi+pi- final states that is based on the total Belle data sample of 976 /fb. The preliminary results are y_CP=(1.11 +- 0.22 +- 0.11)% and A_Gamma=(-0.03 +- 0.20 +-…

High Energy Physics - Experiment · Physics 2019-08-13 Marko Staric

We report the recent two results of D0-D0bar mixing studies at Belle in D0->K+K-/pi+pi- and D0->K_S^0 pi+pi- decays. The former measures the relative difference of the lifetimes y_{CP}, giving the evidence of D0-D0bar mixing; the latter…

High Energy Physics - Experiment · Physics 2019-08-13 L. M. Zhang

A search for mixing in the neutral D meson system was performed using semileptonic D^0 -> K- e+ nu decays. The flavor of neutral D mesons at production was tagged by the charge of the slow pion from the decay D*+ -> D^0 \pi+. The…

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

We perform a model-independent measurement of the $D^0$-$\overline{D}{}^0$ mixing parameters using samples of $e^+e^-$-collision data collected by the Belle and Belle II experiments that have integrated luminosities of $951\ \text{fb}^{-1}$…

High Energy Physics - Experiment · Physics 2025-06-30 Belle , Belle II Collaborations , : , I. Adachi , L. Aggarwal , H. Ahmed , H. Aihara , N. Akopov , A. Aloisio , N. Althubiti , N. Anh Ky , D. M. Asner , H. Atmacan , V. Aushev , M. Aversano , R. Ayad , N. K. Baghel , P. Bambade , Sw. Banerjee , S. Bansal , M. Barrett , M. Bartl , J. Baudot , A. Beaubien , J. Becker , J. V. Bennett , V. Bertacchi , M. Bertemes , E. Bertholet , M. Bessner , S. Bettarini , B. Bhuyan , D. Biswas , D. Bodrov , A. Bolz , A. Bondar , A. Boschetti , A. Bozek , M. Bračko , P. Branchini , R. A. Briere , T. E. Browder , A. Budano , S. Bussino , Q. Campagna , M. Campajola , G. Casarosa , C. Cecchi , P. Chang , R. Cheaib , P. Cheema , B. G. Cheon , K. Chilikin , K. Chirapatpimol , H. -E. Cho , K. Cho , S. -J. Cho , S. -K. Choi , S. Choudhury , J. Cochran , L. Corona , J. X. Cui , S. Das , E. De La Cruz-Burelo , S. A. De La Motte , G. De Pietro , R. de Sangro , M. Destefanis , A. Di Canto , F. Di Capua , J. Dingfelder , Z. Doležal , T. V. Dong , M. Dorigo , D. Dossett , G. Dujany , P. Ecker , D. Epifanov , J. Eppelt , P. Feichtinger , T. Ferber , T. Fillinger , C. Finck , G. Finocchiaro , A. Fodor , F. Forti , B. G. Fulsom , A. Gabrielli , E. Ganiev , M. Garcia-Hernandez , R. Garg , G. Gaudino , V. Gaur , A. Gaz , A. Gellrich , G. Ghevondyan , D. Ghosh , H. Ghumaryan , G. Giakoustidis , R. Giordano , A. Giri , P. Gironella Gironell , A. Glazov , B. Gobbo , R. Godang , P. Goldenzweig , G. Gong , W. Gradl , E. Graziani , D. Greenwald , Z. Gruberová , K. Gudkova , I. Haide , T. Hara , K. Hayasaka , H. Hayashii , S. Hazra , C. Hearty , M. T. Hedges , A. Heidelbach , I. Heredia de la Cruz , T. Higuchi , M. Hoek , M. Hohmann , R. Hoppe , C. -L. Hsu , T. Humair , T. Iijima , K. Inami , N. Ipsita , R. Itoh , M. Iwasaki , W. W. Jacobs , E. -J. Jang , Q. P. Ji , Y. Jin , A. Johnson , H. Junkerkalefeld , A. B. Kaliyar , J. Kandra , G. Karyan , F. Keil , C. Kiesling , C. -H. Kim , D. Y. Kim , J. -Y. Kim , K. -H. Kim , Y. -K. Kim , K. Kinoshita , P. Kodyš , T. Koga , S. Kohani , K. Kojima , A. Korobov , E. Kovalenko , R. Kowalewski , P. Križan , P. Krokovny , T. Kuhr , R. Kumar , K. Kumara , T. Kunigo , A. Kuzmin , Y. -J. Kwon , K. Lalwani , T. Lam , J. S. Lange , T. S. Lau , R. Leboucher , F. R. Le Diberder , M. J. Lee , C. Lemettais , P. Leo , C. Li , L. K. Li , Q. M. Li , W. Z. Li , Y. Li , Y. B. Li , J. Libby , M. H. Liu , Q. Y. Liu , Z. Q. Liu , D. Liventsev , S. Longo , T. Lueck , C. Lyu , C. Madaan , M. Maggiora , R. Maiti , G. Mancinelli , R. Manfredi , E. Manoni , M. Mantovano , S. Marcello , C. Marinas , C. Martellini , A. Martens , A. Martini , T. Martinov , L. Massaccesi , M. Masuda , D. Matvienko , S. K. Maurya , M. Maushart , J. A. McKenna , F. Meier , M. Merola , C. Miller , M. Mirra , S. Mitra , K. Miyabayashi , G. B. Mohanty , S. Mondal , S. Moneta , H. -G. Moser , R. Mussa , I. Nakamura , M. Nakao , H. Nakazawa , Y. Nakazawa , M. Naruki , Z. Natkaniec , A. Natochii , M. Nayak , G. Nazaryan , M. Neu , S. Nishida , S. Ogawa , H. Ono , E. R. Oxford , G. Pakhlova , S. Pardi , K. Parham , H. Park , J. Park , K. Park , S. -H. Park , B. Paschen , A. Passeri , S. Patra , T. K. Pedlar , R. Peschke , L. E. Piilonen , P. L. M. Podesta-Lerma , T. Podobnik , C. Praz , S. Prell , E. Prencipe , M. T. Prim , H. Purwar , S. Raiz , J. U. Rehman , M. Reif , S. Reiter , L. Reuter , D. Ricalde Herrmann , I. Ripp-Baudot , G. Rizzo , M. Roehrken , J. M. Roney , A. Rostomyan , N. Rout , D. A. Sanders , S. Sandilya , L. Santelj , V. Savinov , B. Scavino , C. Schwanda , A. J. Schwartz , Y. Seino , A. Selce , K. Senyo , J. Serrano , M. E. Sevior , C. Sfienti , W. Shan , C. P. Shen , X. D. Shi , T. Shillington , J. -G. Shiu , D. Shtol , A. Sibidanov , F. Simon , J. Skorupa , R. J. Sobie , M. Sobotzik , A. Soffer , A. Sokolov , E. Solovieva , S. Spataro , B. Spruck , M. Starič , P. Stavroulakis , S. Stefkova , R. Stroili , M. Sumihama , K. Sumisawa , H. Svidras , M. Takizawa , K. Tanida , F. Tenchini , O. Tittel , R. Tiwary , E. Torassa , K. Trabelsi , M. Uchida , I. Ueda , T. Uglov , K. Unger , Y. Unno , K. Uno , S. Uno , P. Urquijo , S. E. Vahsen , R. van Tonder , K. E. Varvell , M. Veronesi , A. Vinokurova , V. S. Vismaya , L. Vitale , R. Volpe , M. Wakai , S. Wallner , M. -Z. Wang , A. Warburton , M. Watanabe , S. Watanuki , C. Wessel , B. D. Yabsley , S. Yamada , W. Yan , J. H. Yin , K. Yoshihara , J. Yuan , Z. Zhang , V. Zhilich , J. S. Zhou , Q. D. Zhou , L. Zhu , V. I. Zhukova , R. Žlebčík

A search for mixing in the neutral D meson system has been performed using semileptonic D^0 \to K^(*)- e^+ nu decays. Neutral D mesons from D^*+ \to D^0 pi+ decays are used; the flavor at production is tagged by the charge of the slow pion.…

High Energy Physics - Experiment · Physics 2019-08-14 U. Bitenc

We present preliminary results of several analyses searching for the effects of CP violation and mixing in the decay of $D^0$ mesons. We find no evidence of CP asymmetry in five different two-body decay modes of the $D^0$ to pairs of light…

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

We are reporting on a search for flavour-changing neutral current decays $D^0 \to \mu^+ \mu^-$ and $D^0 \to e^+ e^-$, and for lepton-flavour violating decays $D^0 \to e^\pm \mu^\mp$, the measurement of $D^+_{(s)} \to K_S^0 \pi^+$ and…

High Energy Physics - Experiment · Physics 2019-08-13 M. Petrič

We propose a new method to determine the mass and width differences of the two D meson mass-eigenstates as well as the CP violating parameters associated with D^0-\bar{D}^0 mixing. We show that an accurate measurement of all the mixing…

High Energy Physics - Phenomenology · Physics 2008-11-26 Nita Sinha , Rahul Sinha , T. E. Browder , N. G. Deshpande , Sandip Pakvasa

The Belle II experiment is under construction at the KEK laboratory in Japan. Belle II will study e+e- collisions at or near the Upsilon(4S) resonance with the goal of collecting 50 ab-1 of data, which is a large increase over that recorded…

High Energy Physics - Experiment · Physics 2017-06-13 A. J. Schwartz

We have searched for mixing in the D0-D0bar system by measuring the decay-time distribution of D0->K+pi- decays. The analysis uses 90 fb^{-1} of data collected by the Belle detector at the KEKB e+e- collider. We fit the decay-time…

High Energy Physics - Experiment · Physics 2019-08-14 J. Li , Z. P. Zhang , A. J. Schwartz
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