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Related papers: Constraints on a Parity-even/Time-Reversal-odd Int…

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We report on observation of the time reversal symmetry breaking in unpolarized neutrons scattering experiment. Neutron transmittivity through the system consisting of two magnetic mirrors placed in an external magnetic field is measured.…

Mesoscale and Nanoscale Physics · Physics 2015-03-26 D. A. Tatarskiy , A. V. Petrenko , S. N. Vdovichev , O. G. Udalov , Yu. V. Nikitenko , A. A. Fraerman

We consider the decays of a correlated neutral-meson--antimeson state with C-parity +1. We show that there is CPT noninvariance in the mixing of the neutral mesons if, for any two decay modes f and g, the decay rate has a component R_A…

High Energy Physics - Phenomenology · Physics 2010-02-03 G. V. Dass , W. Grimus , L. Lavoura

Planning and interpretation of the experiments searching for the time reversal (T) and parity (P) violation in neutron reactions require values of the matrix elements of the T,P-violating nuclear forces between nuclear compound states. We…

Nuclear Theory · Physics 2019-08-15 Pavel Fadeev , Victor V. Flambaum

In the world with axion the precise measurement of gravitational force and check of the equivalence principle at small distances, $\lambda\sim 1cm$ and less, could provide an additional test of CP symmetry. Using the chiral approach, we…

High Energy Physics - Phenomenology · Physics 2008-11-26 Maxim Pospelov

We provide a general analysis of time reversal invariance violation in the exclusive semileptonic B decays B to D l nu and B to D* l nu. Measurements of the lepton and D* polarizations can be used to search for and identify non-standard…

High Energy Physics - Phenomenology · Physics 2014-11-17 Guo-Hong Wu , Ken Kiers , John N. Ng

Both components of the transverse polarization of electrons emitted in the beta-decay of polarized, free neutrons have been measured. The T-odd, P-odd correlation coefficient quantifying the component perpendicular to the decay plane…

The anapole moment is a parity-odd and time-reversal-even electromagnetic moment. Although it was conjectured shortly after the discovery of parity nonconservation, its existence has not been confirmed until recently in heavy nuclear…

Nuclear Theory · Physics 2009-11-07 C. -P. Liu

It is shown that transmission amplitudes of magnetic systems with noncollinear magnetization contain T-odd correlations. Relation of these T-odd correlations to T-invariance and detailed balance is discussed.

Quantum Physics · Physics 2009-06-19 V. K. Ignatovich , Yu. V. Nikitenko

During the recent years experiments with neutral kaons have yielded remarkably sensitive results which are pertinent to such fundamental phenomena as CPT invariance (protecting causality), time-reversal invariance violation, coherence of…

High Energy Physics - Phenomenology · Physics 2009-11-11 Maria Fidecaro , Hans-Juerg Gerber

Experiments searching for parity- and time-reversal-invariance-violating effects that rely on measuring magnetization of a condensed-matter sample induced by application of an electric field are considered. A limit on statistical…

Other Condensed Matter · Physics 2009-11-11 D. Budker , S. K. Lamoreaux , A. O. Sushkov , O. P. Sushkov

Many electrical and mechanical systems with two normal modes are appropriate for illustrating the quantum mechanics of neutral kaons. The illustration of CP- or time-reversal-violation in the neutral kaon system by mechanical or electrical…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jonathan L. Rosner

In this letter, we propose a novel approach to concurrently measure the complementary $CP$ violation observables induced by $T$-odd correlations and their corresponding $T$-even counterparts, where $T$ represents time reversal. Our analysis…

High Energy Physics - Phenomenology · Physics 2024-08-26 Jian-Peng Wang , Qin Qin , Fu-Sheng Yu

Upper limits on the electric dipole moments (EDM) of elementary particles and atoms are presented, and their physical implications are discussed. The bounds following from the neutron and atomic experiments are comparable. In particular,…

High Energy Physics - Phenomenology · Physics 2009-10-31 I. B. Khriplovich

The BABAR and Belle experiments have made detailed studies of time-dependent CP violation in the B meson sector. If CPT is conserved, CP violation should imply the presence of time-reversal violation. Production of entangled neutral B…

High Energy Physics - Experiment · Physics 2019-08-15 Ray F. Cowan

We propose methods and present calculations that can be used to search for evidence of cosmic fields by investigating the parity-violating effects, including parity nonconservation amplitudes and electric dipole moments, that they induce in…

High Energy Physics - Phenomenology · Physics 2014-11-13 B. M. Roberts , Y. V. Stadnik , V. A. Dzuba , V. V. Flambaum , N. Leefer , D. Budker

The experimental proofs of strong time invariance violation in optics are discussed. Time noninvariance is the only real physical base for explanation the origin of the most phenomena in nonlinear optics. The experimental study of forward…

General Physics · Physics 2007-05-23 V. A. Kuz'menko

We consider a mechanism by which dyons (electrically charged magnetic monopoles) can produce both a T- and P-odd (i.e. time reversal invariance and parity violating) mixed polarizability beta [defined by Delta E = -beta E.B, where Delta E…

High Energy Physics - Phenomenology · Physics 2008-11-26 D. W. Murray , V. V. Flambaum

We investigate the impact of matter effects on T (time-reversal)-odd observables, making use of the quantum-mechanical formalism of neutrino-flavor evolution. We attempt to be comprehensive and pedagogical. Matter-induced T-invariance…

High Energy Physics - Phenomenology · Physics 2024-12-19 Olivia M. Bitter , André de Gouvêa , Kevin J. Kelly

We examine time reversal invariance in the beta-decays of 8B(2+) and 8Li(2+) to 8Be(2+) in detail, with particular attention to final state interactions of the two alpha particles from the decay of 8Be, and of the electron (positron) with…

Nuclear Theory · Physics 2009-10-28 S. Ying , E. M. Henley

Quantum entanglement of K and B mesons allows for a direct experimental test of time-reversal symmetry independent of CP violation. The T symmetry can be probed by exchange of initial and final states in the reversible transitions between…

High Energy Physics - Experiment · Physics 2015-06-22 A. Gajos