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Related papers: Evidence for $D^0 - \bar{D}^0$ Mixing

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We report on recent measurements of the $D^0-\bar{D}^0$ mixing and $CP$ violation parameters performed by the Belle experiment. The evidence for the mixing phenomena in the system of neutral $D$ mesons, arising in the study of $D^0\to…

High Energy Physics - Experiment · Physics 2007-12-07 B. Golob

We report a measurement of the $D^0$-$\bar{D}{}^0$ mixing parameter $y_{CP}$ using 23.4 fb$^{-1}$ of data collected near the $\Upsilon$(4S) resonance with the Belle detector at KEKB. $y_{CP}$ is measured from the lifetime difference of…

High Energy Physics - Experiment · Physics 2008-11-26 Belle Collaboration , K. Abe

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 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 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 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 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 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

We present a measurement of $D^0$-$\bar{D^0}$ mixing parameters using the ratios of lifetimes extracted from a sample of $D^0$ mesons produced through the process $D^{*+}\to\D^0\pi^+$, that decay to $K^{+}\pi^{-}$, K^{-}K^{+}$, or…

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

The noteworthy BaBar and Belle evidence for $D^0$-$\bar{D}^0$ mixing motivates us to study its impact on $D^0\to K^{*\pm} K^\mp$ decays and their CP-conjugate processes. We show that both the $D^0$-$\bar{D}^0$ mixing parameters ($x$ and…

High Energy Physics - Phenomenology · Physics 2008-11-26 Zhi-zhong Xing , Shun Zhou

We present evidence of $D^0$-$\bar{D^0}$ mixing using a time-dependent amplitude analysis of the decay D0->K+pi-pi0 in a data sample of 384 fb^-1 collected with the BaBar detector at the PEP-II e+e- collider at SLAC. Assuming CP…

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

We present a measurement of $D^0$-$\D0bar$ mixing parameters using the ratios of lifetimes extracted from samples of $D^0$ mesons decaying to $K^-\pi^+$, $K^-K^+$, and $\pi^-\pi^+$. Using 91 ${\rm fb}^{-1}$ of data collected by the BaBar…

High Energy Physics - Experiment · Physics 2008-11-26 The BABAR Collaboration , B. Aubert

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

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 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 a preliminary measurement of the D0-anti-D0 mixing parameter y_CP and the CP-violating parameter A_G using the decay D*+ -> D0 pi+ followed by D0 -> K- pi+ and D0 -> K+ K-. The results are obtained from a 158 fb^-1 data sample…

High Energy Physics - Experiment · Physics 2007-05-23 K. Abe
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