English
Related papers

Related papers: Quantum Correlated D Decays at SuperB

200 papers

The analysis of quantum-correlated $D-\bar{D}$ decays produced at the $\psi(3770)$ resonance gives unique insight into quantities such as strong-phase differences and coherence factors. Knowledge of these parameters is invaluable for…

High Energy Physics - Experiment · Physics 2009-10-05 Guy Wilkinson

We exploit the angular and quantum correlations in the $D\bar{D}$ pairs produced through the decay of the $\psi(3770)$ resonance in a charm factory to investigate CP-violation in two different ways. We consider the case of…

High Energy Physics - Phenomenology · Physics 2011-04-22 Xian-Wei Kang , Jerome Charles , Sebastien Descotes-Genon , Hai-Bo Li

The charm quark offers interesting opportunities to cross-check the mechanism of CP violation precisely tested in the strange and beauty sectors. In this paper, we exploit the angular and quantum correlations in the D\bar{D} pairs produced…

High Energy Physics - Phenomenology · Physics 2010-04-23 J. Charles , S. Descotes-Genon , X. -W. Kang , H. -B. Li , G. -R. Lu

The basic physics of quantum-correlated D0, D0bar pairs produced at threshold via decays of the $\psi(3770)$ is introduced. The connection to extractions of the CKM angle $\gamma$ ($\phi_3$) from $B$ decays is emphasized throughout. Recent…

High Energy Physics - Experiment · Physics 2015-01-16 Roy A. Briere

Measurements performed with pairs of charm mesons produced at threshold from the decay of the $\psi(3770)$ resonance are of great value in flavour physics. The quantum correlation that exists between the two mesons allows unique access to…

High Energy Physics - Experiment · Physics 2021-09-24 Guy Wilkinson

The SuperB experiment at the Cabibbo Laboratory will provide new possibilities to study the physics of charm. The potential physics reach of the experiment when performing studies of rare decays, mixing and CP violation in charm decays is…

High Energy Physics - Experiment · Physics 2012-09-10 Gianluca Inguglia

Studies of rare decays are an indirect probe of New Physics (NP). This document presents recent measurements of rare decays in the charm sector by the LHCb experiment. The analyses are performed with proton-proton collision data at…

High Energy Physics - Experiment · Physics 2013-12-02 Ed Greening

Due to the presence of the quantum correlation between the pair-produced D0 and D0bar from the decay of the psi(3770), the time-integrated single and double tag decay rates depend on charm mixing amplitudes, doubly-Cabibbo-suppressed…

High Energy Physics - Experiment · Physics 2009-11-11 Werner M. Sun

A model which describes the time-dependent CP formalism in $D^0$ decays has recently been proposed. There it has been highlighted a possible measurement of the angle $\beta_c$, in the charm unitarity triangle, using the decays $D^0\to K^+…

High Energy Physics - Experiment · Physics 2022-03-02 Gianluca Inguglia

Precision measurements in charm physics offer a window into a unique sector of potential New Physics interactions. LHCb is well equipped to take advantage of the enormous production cross-section of charm mesons in $pp$ collisions at…

High Energy Physics - Experiment · Physics 2019-08-13 S. Borghi

We propose for the first time a method to perform analysis of time-dependent CP asymmetries in charm by using both, correlated and un-correlated $D^0$ mesons. Here we consider the decay channels $D^0\to K^+ K^-$ and $D^0\to \pi^+ \pi^-$.…

High Energy Physics - Phenomenology · Physics 2011-09-22 Gianluca Inguglia

The recent Belle collaboration measurements of B decays to open and hidden charm are discussed. Color-suppressed decay branching fractions are measured with an improved accuracy. The branching fractions of the $\bar{B}^0 \to D_s^+ K^-$ and…

High Energy Physics - Experiment · Physics 2017-08-23 A. Drutskoy

The measurement of time-dependent CP asymmetries in charm decays can provide a unique insight into the flavor changing structure of the Standard Model. We examine a number of different CP eigenstate decays of D mesons and describe a method…

High Energy Physics - Phenomenology · Physics 2013-05-29 Adrian Bevan , Gianluca Inguglia , Brian Meadows

There are two apparent puzzles connected with the two-body and three-body doubly charmed baryonic B decays. First, earlier calculations based on QCD sum rules or the diquark model predict $Br(\bar B^0\to\Xi_c^+\bar\Lambda_c^-)\approx…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hai-Yang Cheng , Chun-Khiang Chua , Shang-Yuu Tsai

BESIII has recently accumulated a large data sample near the $\psi(3770)$ production threshold corresponding to an integrated luminosity of $20\text{ fb}^{-1}$. Neutral $D^0\bar{D}^0$ pairs produced at the $\psi(3770)$ are in a $C$-odd…

High Energy Physics - Experiment · Physics 2026-01-26 Alex Gilman

In these proceedings, we explore the possible reach of the LHCb dataset in the area of charm semileptonic decays. Specifically, we give prospects for the measurement of $|V_{cs}|/|V_{cd}|$ using $\mathcal{B}(D^0\to…

High Energy Physics - Experiment · Physics 2017-04-03 Adam C. S. Davis

Due to the quantum correlation between the pair-produced D0 and D0bar from the decay of the psi(3770), the time-integrated single and double tag decay rates depend on charm mixing amplitudes, doubly-Cabibbo-suppressed amplitudes, and the…

High Energy Physics - Experiment · Physics 2010-04-08 D. Asner , CLEO Collaboration

We exploit the quantum coherence between pair-produced D0 and D0bar in psi(3770) decays to study charm mixing, which is characterized by the parameters x and y, and to make a first determination of the relative strong phase \delta between…

High Energy Physics - Experiment · Physics 2010-04-08 The CLEO Collaboration , J. L. Rosner

We discuss prospects for detecting the two charm-related phenomena of $D^0$-${\bar D}^0$ mixing and weak radiative decays of $D$ mesons ({\it e.g.} $D\to K^* + \gamma$). A general update of particle-antiparticle mixing for the pseudoscalar…

High Energy Physics - Phenomenology · Physics 2007-05-23 Eugene Golowich

Recent charm spectroscopy results from Dalitz plot analyses of $B$ decays to open charm final states at LHCb are presented. The decay modes used are $B^{+} \to D^{-} K^{+} \pi^{+}$, $B^{0} \to \overline{D}{}^{0} \pi^{+} \pi^{-}$ and $B^{0}…

High Energy Physics - Experiment · Physics 2015-09-02 Mark Whitehead
‹ Prev 1 2 3 10 Next ›