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Multibody charm decays have a rich phenomenology and potentially unique sensitivity to CP violation. In these proceedings we discuss recent results, challenges and prospects in searches for CP violation in three and four body charm decays.

高能物理 - 实验 · 物理学 2013-12-18 Jonas Rademacker

Mixing and CP violation in charm meson decays provide a unique probe of possible physics beyond the standard model. In this paper, we give a brief review of the current measurements from the BABAR experiment.

高能物理 - 实验 · 物理学 2015-05-20 Chunhui Chen

In the Standard Model \CP violation in charm decays is expected to be very small, at the level of 0.1% or less. A significant excess of \CP violation with respect to the Standard Model predictions would be a signature of new physics. We…

高能物理 - 实验 · 物理学 2019-08-13 Nicola Neri

In this proceeding, results of searches for CP violation in charm decays using the full BABAR dataset are discussed. The parameter $A_{CP}$ in the decay $D^\pm\to\KS\pi^\pm$ is determined to be $(-0.39 \pm 0.13 \pm 0.10)%$. Meaurements of…

高能物理 - 实验 · 物理学 2011-09-09 R. M. White

The mechanism of CP violation remains one of the puzzles in particle physics. Key to understanding this phenomenon are nonleptonic $B$ decays, especially multibody decays which exhibit large CP asymmetries in various regions of phase space.…

高能物理 - 唯象学 · 物理学 2020-07-15 Thomas Mannel , Kevin Olschewsky , K. Keri Vos

Results of recent searches for new physics in CP violation in charm decays from the BABAR experiment are presented. These results include a measurement of $D^0$ - $\bar{D}^0$ mixing and searches for CP violation in two-body $D^0$ decays, a…

高能物理 - 实验 · 物理学 2012-10-08 Fernando Palombo

Studies of charm physics with the 2010 LHCb data sample are presented. Time-integrated searches for CP violation in D+ -> K- K+ pi+ and D0 -> K- K+, pi- pi+ are discussed.

高能物理 - 实验 · 物理学 2019-08-13 Matthew Charles

The Standard Model predicts CP asymmetries in charm decays of $O(10^{-3})$ and the observation of significantly larger CP violation could indicate non-Standard Model physics effects. During 2011 and 2012, the LHCb experiment collected a…

高能物理 - 实验 · 物理学 2019-08-14 Evelina Gersabeck

Results on CP violation searches in charm decays performed by the LHCb experiment are reviewed. These include an update of the measurement of the difference in time-integrated {\em CP} asymmetry between $D^0\to K^-K^+$ and $D^0\to…

高能物理 - 实验 · 物理学 2019-08-13 Alberto Corrêa dos Reis

We present recent LHCb results and future prospects for CP violation and mixing measurements in multi-body charm decays. The complex amplitude structure of multi-body decays provides unique sensitivity to CP violation localised in certain…

高能物理 - 实验 · 物理学 2013-11-20 Samuel Harnew

The use of triple-product correlations is described in relation to the search for $CP$ violation in 4-body charm meson decays. The latest results from the LHCb and BaBar Collaborations are reported. A novel interpretation of the asymmetries…

高能物理 - 实验 · 物理学 2014-11-18 Maurizio Martinelli

Searches for CP violation in the charm sector from the E791, FOCUS, CLEO, BABAR and BELLE experiments are presented. Most analyses consider CP violation in two-body or quasi-two-body decays. Preliminary results from CLEO and FOCUS using…

高能物理 - 实验 · 物理学 2019-08-14 D. Asner

Charmless B hadrons decays offer rich opportunities to test the Standard Model. CP violation in charmless charged two-body and three-body B decays provides ways to measure the CKM angle $\gamma$ and to search for New Physics. Also,…

高能物理 - 实验 · 物理学 2014-11-10 Marc Grabalosa Gándara

The latest experimental results in charmless B decays are presented with a focus on CP violation measurements. These include the first observation of CP violation in B_s decays, evidence for CP violation in charmless three-body B+ decays,…

高能物理 - 实验 · 物理学 2013-08-09 Irina Nasteva

LHCb has collected the world's largest sample of charmed hadrons. This sample is used to search for direct and indirect CP Violation in charm. Recent and updated measurements from several decay modes are presented.

高能物理 - 实验 · 物理学 2015-08-31 Paras P. Naik

With the first evidence of direct CP violation in $D^0 \to K^+K^-/\pi^+\pi^-$ there is a strong reason to probe CP asymmetries in charm baryons in three-body final states $\Lambda_c \to p\pi^+\pi^-/pK^+K^-$ & $\Lambda_c \to pK^+\pi^-$ with…

高能物理 - 唯象学 · 物理学 2012-06-21 I. I. Bigi

CP-violating asymmetries in charm provide a unique probe of physics beyond the Standard Model. I review several topics relevant to searches for CP-violation in charmed meson and baryon transitions.

高能物理 - 唯象学 · 物理学 2011-06-15 Alexey A Petrov

We present recent results of B and charm decays from the BaBar experiment. These results include searches for rare or forbidden charm decays, measurements of $|V_{ub}|$ from inclusive ${\bar B} \rightarrow X_u l {\bar \nu} $ decays,…

高能物理 - 实验 · 物理学 2011-10-25 Fernando Palombo

$CP$ 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…

高能物理 - 实验 · 物理学 2019-01-15 S. Bahinipati

The study of charmless b-hadron decays provides information for testing the CKM picture of CP violation in the Standard Model. In addition, as they can proceed through loop diagrams, they are also sensitive to physics beyond the Standard…

高能物理 - 实验 · 物理学 2014-09-16 Roberta Cardinale
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