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Related papers: Implications of the LHCb Evidence for Charm CP Vio…

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The discovery of CP violation in charm sector in 2019 was a milestone in searches performed over last decades. The $\Delta A_{CP}$ measured by LHCb is at the upper end of the Standard Model predictions. This triggers many interpretations…

High Energy Physics - Experiment · Physics 2024-04-01 Jolanta Brodzicka

The violation of the Charge-Parity (CP) symmetry is a phenomenon described by the Standard Model (SM), however, its predictions for this violation are not enough to explain the matter-antimatter asymmetry in the visible universe.…

High Energy Physics - Phenomenology · Physics 2024-08-29 Felipe Cesário Laterza Lopes , Patrícia Camargo Magalhães

Decays of b-hadrons are the ideal place to perform measurements of CP violation. Many decay channels allow to over-constrain the unitarity triangles of the CKM matrix and test the SM hypothesis that a single phase is the origin of all CP…

High Energy Physics - Experiment · Physics 2019-08-13 Luca Pescatore

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…

High Energy Physics - Experiment · Physics 2019-08-13 Alberto Corrêa dos Reis

The recent measurement of $\Delta A_{CP}$ by the LHCb collaboration requires an ${\cal O}(10)$ enhancement coming from hadronic physics in order to be explained within the SM. We examine to what extent can NP models explain $\Delta A_{CP}$…

High Energy Physics - Phenomenology · Physics 2020-01-29 Avital Dery , Yosef Nir

LHCb is a dedicated heavy flavour physics precision experiment at the LHC searching for New Physics (NP) beyond the Standard Model (SM) through the study of very rare decays of beauty and charm-flavoured hadrons and precision measurements…

High Energy Physics - Experiment · Physics 2015-06-12 Monica Pepe Altarelli

We analyze possible interpretations of the recent LHCb evidence for CP violation in D meson decays in terms of physics beyond the Standard Model. On general grounds, models in which the primary source of flavor violation is linked to the…

High Energy Physics - Phenomenology · Physics 2015-06-04 Gian Francesco Giudice , Gino Isidori , Paride Paradisi

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…

High Energy Physics - Experiment · Physics 2019-08-14 Evelina Gersabeck

Observation in astronomy suggests that our Universe contains an abundance of matter over antimatter, which can only be explained if the combined CP symmetry is violated. Studies of CP violation have driven the flavor physics with the aim of…

High Energy Physics - Experiment · Physics 2023-02-21 Xinchen Dai , Miroslav Saur , Yiduo Shang , Xueting Yang , Yanxi Zhang

CP-violating effects in decays of B mesons offer a wide spectrum of probes for testing the phase structure of the quark-flavour sector of the Standard Model. After a brief discussion of the picture emerging from the current LHC data, the…

High Energy Physics - Phenomenology · Physics 2015-06-22 Robert Fleischer

The CKM matrix is the only source of CP violation in the Standard Model.Heavy-flavour decays provide an ideal laboratory to test the CKM mechanism. Some recent highlights in CP violation in heavy-flavour decays from the LHCb and Belle II…

High Energy Physics - Experiment · Physics 2023-10-27 Yuehong Xie

Precision measurements of time-integrated CP violation in beauty decays permit a better understanding of the different mechanisms underlying CP violation. They allow to better constrain the Standard Model and probe for new physics. A…

High Energy Physics - Experiment · Physics 2019-05-30 Emilie Bertholet

Exploiting the full Run II data sample collected by the CDF trigger on displaced vertices, we present a search for CP violation in neutral D mesons decays to hadronic final states. We use the strong D^{*+}\to D^{0}\pi^{+} (and c.c.) decay…

High Energy Physics - Experiment · Physics 2013-02-15 Angelo Di Canto

I review the implications of recent measurements of CP violation in D meson decays in the context of standard model extensions. Using effective theory methods, one can derive significant constraints on the possible non-standard…

High Energy Physics - Phenomenology · Physics 2013-02-18 Jernej F. Kamenik

LHCb has started its charm physics programme using the data taken at the LHC. The first measurements of open charm production cross-sections for proton proton collisions at $\sqrt{s}=7 \tev$ are presented. The cross-sections of the \PDzero,…

High Energy Physics - Experiment · Physics 2010-12-17 Marco Gersabeck

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,…

High Energy Physics - Experiment · Physics 2014-11-10 Marc Grabalosa Gándara

The LHCb experiment recorded data corresponding to an integrated luminosity of 3.0 $fb^{-1}$ during its first run of data taking. These data yield the largest samples of charmed hadrons in the world and are used to search for CP violation…

High Energy Physics - Experiment · Physics 2015-11-12 Michael Alexander

The study of $C\!P$ violation in decays of beauty- and charm-hadrons provides a fundamental test of the predictions of the Standard Model (SM) and represents a sensitive probe to search for physics effects that cannot be described within…

High Energy Physics - Experiment · Physics 2017-09-04 Francesca Dordei

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…

High Energy Physics - Experiment · Physics 2014-09-16 Roberta Cardinale

The LHCb Collaboration has recently observed evidence of CP violation in neutral D meson decays. CP violation in the charm sector is generically expected to be very small in the Standard Model, but can be enhanced in many models of new…

High Energy Physics - Experiment · Physics 2012-11-06 Angelo Carbone
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