English
Related papers

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

200 papers

Time-Reversal-Invariance non-conservation has now been unequivocally demonstrated in a direct measurement at CPLEAR. What about tests of time-reversal-invariance in systems other than the kaon system? Tests of time-reversal-invariance…

High Energy Physics - Phenomenology · Physics 2015-06-25 Willem T. H. van Oers

Several new proton-proton parity violation experiments are presently either being performed or are being prepared for execution in the near future. Similarly, a new measurement of the parity-violating gamma-ray asymmetry in polarized…

High Energy Physics - Phenomenology · Physics 2009-10-31 Willem T. H. van Oers

Motivated by the recent CPLEAR measurement on the time-reversal non-invariance, we review the situation concerning the experimental measurements of charge conjugation, parity violation and time reversibility, in systems with non-Hermitean…

High Energy Physics - Phenomenology · Physics 2009-10-31 Luis Alvarez-Gaume , Costas Kounnas , Smaragda Lola , Panagiotis Pavlopoulos

Motivated by the recent experimental announcements for direct measurements of time-reversal non-invariance in the neutral kaon system, we make a comparative discussion of the CPLEAR and KTeV measurements. The most suitable way to…

High Energy Physics - Phenomenology · Physics 2007-05-23 L. Alvarez-Gaume , C. Kounnas , S. Lola , P. Pavlopoulos

Internal target experiments with high quality proton beams allow for a new class of experiments providing null tests of time reversal symmetry in forward scattering. This could yield more stringent limits on T-odd P-even observables. A…

Nuclear Theory · Physics 2009-10-22 Michael Beyer

The study of five-fold (P even, T odd) correlation in the interaction of slow polarized neutrons with aligned nuclei is a possible way of testing the time reversal invariance due to the expected enhancement of T violating effects in…

Nuclear Theory · Physics 2009-11-10 A. L. Barabanov , A. G. Beda

Advantages of investigation of time reversal invariance violation with the use of three-fold (P,T-odd) and five-fold (P-even,T-odd) correlations in the interaction of resonance neutrons with nuclei are briefly considered. Possible…

Nuclear Experiment · Physics 2011-07-19 A. L. Barabanov , A. G. Beda , A. F. Volkov

We investigate parity and time-reversal violation in neutron-proton scattering in the optical regime. We calculate the neutron spin rotation and analyzing power in scattering on polarized protons. This allows us to quantify the sensitivity…

Nuclear Theory · Physics 2008-11-26 C. -P. Liu , R. G. E. Timmermans

The observance of parity conserving time reversal violation in light quark systems could signal the presence of physics beyond the Standard Model. I discuss the implications of low-energy time reversal tests for the existence of such…

High Energy Physics - Phenomenology · Physics 2016-11-23 M. J. Ramsey-Musolf

A new possibility for the study of time-reversal violation is described. It consists in measurement of nonpolarized neutron transmission through nonpolarized nuclear target placed into electric field

High Energy Physics - Phenomenology · Physics 2007-05-23 V. G. Baryshevsky

We discuss the concepts and methodology to implement an experiment probing directly Time Reversal (T) non-invariance, without any experimental connection to CP violation, by the exchange of "in" and "out" states. The idea relies on the…

High Energy Physics - Phenomenology · Physics 2012-12-05 J. Bernabeu , F. Martinez-Vidal , P. Villanueva-Perez

Time-reversal breaking and parity-conserving millistrong interactions, suggested in 1965, still remain a viable mechanism of CP-violation beyond the Standard Model. One of its possible manifestations is the T-odd asymmetry in the…

Nuclear Theory · Physics 2020-12-30 N. N. Nikolaev , F. Rathmann , A. J. Silenko , Yu. Uzikov

Background: Time-reversal-invariance violation, or equivalently CP violation, may explain the observed cosmological baryon asymmetry as well as signal physics beyond the Standard Model. In the decay of polarized neutrons, the triple…

A novel test of time-reversal invariance in proton-deuteron scattering is planned as an internal target transmission experiment at the cooler synchrotron COSY. The P-even, T-odd observable is the polarization correlation $A_{y,xz}$ of the…

Ratios involving on-resonance measurements of the three-fold and five-fold correlation cross sections for which the dependence on some of the unknown spectroscopic data is eliminated are considered. Closed form expressions are derived for…

Nuclear Theory · Physics 2009-10-31 E. D. Davis , C. R. Gould

We construct the relationship between nonrenormalizable,effective, time-reversal violating (TV) parity-conserving (PC) interactions of quarks and gauge bosons and various low-energy TVPC and TV parity-violating (PV) observables. Using…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Kurylov , G. C. McLaughlin , M. J. Ramsey-Musolf

The neutron is a well-suited system to search for a violation of time reversal invariance beyond the Standard Model. Recent experiments and projects searching for time reversal violation in the neutron decay and in the neutron electric…

High Energy Physics - Experiment · Physics 2007-05-23 T. Soldner

A test of parity-conserving, time-reversal non-invariance (PC TRNI) has been performed in 5.9 MeV polarized neutron transmission through nuclear spin aligned holmium. The experiment searches for the T-violating five-fold correlation via a…

Apart from the $pd$ reaction also the scattering of antiprotons with transversal polarization $p_y^p$ on deuterons with tensor polarization $P_{xz}$ provides a null-test signal for time-reversal-invariance violating but parity conserving…

Nuclear Theory · Physics 2018-08-01 Yuriy Uzikov , Johann Haidenbauer

A particle, which moves in a crystal, experiences weak interactions with electrons and nuclei alongside with electromagnetic interaction. Measuring the polarization vector and the angular distribution of charged and neutral particles…

High Energy Physics - Phenomenology · Physics 2019-05-17 V. G. Baryshevsky
‹ Prev 1 2 3 10 Next ›