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Related papers: Probing CPT Violation in B Systems

200 papers

I derive the expressions for the CP-violating asymmetry arising from interference between mixed and direct decays in the Upsilon(4S) system, for the case in which only one of the B decay times is observed, integrating over the decay time of…

High Energy Physics - Phenomenology · Physics 2009-12-30 A. Foland

After a brief history of the insights gained from Kaon physics, the potential of Kaon decays for probing lepton number violation is discussed. Present tests of CTP and of Quantum Mechanics in the neutral Kaon sector are then reviewed and…

High Energy Physics - Phenomenology · Physics 2009-09-25 R. D. Peccei

After a brief review of the present status of the standard methods to extract CKM phases from CP-violating effects in non-leptonic B-decays, an overview of recent theoretical developments in this field is given, including extractions of…

High Energy Physics - Phenomenology · Physics 2011-03-23 Robert Fleischer

We describe measurements of CP and CPT violation parameters in B^0B^0bar oscillations, performed at BaBar by using BBbar events collected at the Y(4S) mass peak. These are obtained from two different B-reconstruction methods, namely:…

High Energy Physics - Experiment · Physics 2007-05-23 R. Covarelli

This is a quick review of CP non-conservation in $B$ physics. Several methods are described for testing the Kobayashi-Maskawa single phase origin of CP violation in B decays, pointing out some limitations due to hadronic uncertainties. A…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Gronau

Various approaches to physics beyond the Standard Model can lead to small violations of CPT invariance. Since CPT symmetry can be measured with ultrahigh precision, CPT tests offer an interesting phenomenological avenue to search for…

High Energy Physics - Phenomenology · Physics 2016-04-29 Ralf Lehnert

One of the most puzzling questions in particle physics concerns the status of the baryon (B) and lepton (L) quantum numbers. On the theoretical side, most new physics scenarios naturally lead to their non-conservation and some amount of…

High Energy Physics - Phenomenology · Physics 2013-03-12 Gauthier Durieux , Jean-Marc Gérard , Fabio Maltoni , Christopher Smith

We leverage the CP violation in charged $B$ meson decays to generate the observed baryon asymmetry and dark matter at $\mathcal{O}(10 \text{ MeV})$ temperatures. We realize this in two scenarios: $B_c^+$ Mesogenesis and $B^+$ Mesogenesis.…

High Energy Physics - Phenomenology · Physics 2022-04-13 Fatemeh Elahi , Gilly Elor , Robert McGehee

Brief overview of the present status on mixing and CP violation in kaons and B mesons is given by means of the unitarity triangle. Theoretical predictions on epsilon'/epsilon are confronted with experimental results. The prospects of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Apostolos Pilaftsis

This talk provides an overview of a string-based mechanism for spontaneous CPT violation. A summary is given of theoretical developments. The mechanism could generate CPT-violating contributions to a four-dimensional low-energy effective…

High Energy Physics - Phenomenology · Physics 2008-02-03 Alan Kostelecky

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.…

High Energy Physics - Phenomenology · Physics 2020-07-15 Thomas Mannel , Kevin Olschewsky , K. Keri Vos

The review covers transitions between M0 and M0bar in all four systems M0 = K0, D0, B0 and Bs. These systems are ideal laboratories for studying the discrete symmetries T and CPT. The properties of time reversal T are discussed in classical…

High Energy Physics - Experiment · Physics 2015-06-22 Klaus R. Schubert

B factories measure the CP violation parameter of B^0 Bbar^0 mixing and decay. Hadron colliders measure the dimuon charge asymmetry of an admixture of B hadrons. In this note we discuss a subtle point on how the CP violation parameter of…

High Energy Physics - Experiment · Physics 2007-05-23 B. Hoeneisen

Contrary to the conventional belief, time integrated asymmetry are measurable in selected final states in the neutral $B$ system at symmetric $e^+e^-$ colliders. They occur due to the interplay of weak and strong phases of two different…

High Energy Physics - Phenomenology · Physics 2009-10-28 N. G. Deshpande , Xiao-Gang He

We present the summary of the working group on $B$ mixing and the related CP violation at the CKM 2014 workshop. The contributions reflect the experimental and theoretical progress in the field over the last two years since the last CKM…

High Energy Physics - Experiment · Physics 2015-10-27 Yasmine Sara Amhis , Tagir Aushev , Martin Jung

The problem of indirect violation of discrete symmeties CP, T and CPT in a neutral meson system can be described using two complex parameters epsilon and delta, which are invariant under rephasing of meson and quark fields. For the Bd…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. C. Banuls

Top pair events provide a source of $b\bar{b}$ pairs, which can be used to probe CP violation in heavy-flavour mixing and decay. In events where one of the $W$ bosons decays leptonically to an electron or muon, the charge of the $W$ boson…

High Energy Physics - Experiment · Physics 2016-11-17 Jacob Julian Kempster

Small CPT-violating effects are admissible in several theories beyond the Standard Model of interactions. We analyse experimental data obtained with neutral flavoured meson mixing and place bounds on the scale of such phenomena. The…

High Energy Physics - Phenomenology · Physics 2024-09-18 Wojciech Krzemien , Mateusz Kmiec , Adam Szabelski , Wojciech Wislicki

A large number of observables can be constructed from differential decay rate based on the polarization of final state while considering decay of a neutral meson $(P^0 \text{ or } \bar P^0)$ to two vector particles. But all of these…

High Energy Physics - Phenomenology · Physics 2020-09-01 Anirban Karan

Strategies for extracting CKM phases from non-leptonic $B$ decays are reviewed briefly. Both general aspects and some recent developments including CP-violating asymmetries, the $B_s$ system in light of a possible width difference…

High Energy Physics - Phenomenology · Physics 2007-05-23 Robert Fleischer