Tests of time-reversal invariance in nuclear and particle physics

Conzett, H.E.

doi:10.1103/physrevc.52.1041

Cited by 5 publications

(4 citation statements)

References 35 publications

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“…It is clear that close to p wave resonance this factor has the same (resonance) dependence on the neutron energy E as the p wave cross section (13).…”

Section: Polarized Neutrons and Non-aligned Nuclei: Pv Effectmentioning

confidence: 84%

“…To analyze the results, one extracts the factor (15) from α P V . Then, to eliminate the dependence on the neutron energy, one usually divides ∆σ (1) P V into the p wave cross section (13) and deals with the quantity…”

Section: Polarized Neutrons and Non-aligned Nuclei: Pv Effectmentioning

confidence: 99%

“…Five-fold correlation may be used to test T invariance (provided space parity is conserved) in the interaction of any polarized particles with spin-aligned targets. It must be emphasized that, first, this method is a genuine null test of T invariance and, second, it is free from masking effects related to final state interaction [12,13]. We concentrate on the interaction of slow neutrons with medium and heavy nuclei by reason of the large enhancement pointed out above.…”

Section: Introductionmentioning

confidence: 99%

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Testing T invariance in the interaction of slow neutrons with aligned nuclei

Barabanov¹,

Beda²

2005

J. Phys. G: Nucl. Part. Phys.

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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 compound resonances. Possible nuclear targets are discussed which can be aligned both dynamically as well as by the "brute force" method at low temperature. A statistical estimation is performed of the five-fold correlation for low lying p wave compound resonances of the 121 Sb, 123 Sb and 127 I nuclei. It is shown that a significant improvement can be achieved for the bound on the intensity of the fundamental parity conserving time violating (PCTV) interaction. PACS: 24.80.+y Nuclear tests of fundamental interactions and symmetries

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“…It is clear that close to p wave resonance this factor has the same (resonance) dependence on the neutron energy E as the p wave cross section (13).…”

Section: Polarized Neutrons and Non-aligned Nuclei: Pv Effectmentioning

confidence: 84%

Section: Polarized Neutrons and Non-aligned Nuclei: Pv Effectmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Testing T invariance in the interaction of slow neutrons with aligned nuclei

Barabanov¹,

Beda²

2005

J. Phys. G: Nucl. Part. Phys.

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“…For stationary states, or in systems where conditions on interaction dynamics such as absence of significant final state interactions are satisfied [21], the mean value of a a T-odd and hermitian operator must therefore vanish in case of T invariance:…”

Section: Time and Reversal Of Physical Systems In Timementioning

confidence: 99%

Feasibility Study of the Time Reversal Symmetry Tests in Decay of Metastable Positronium Atoms with the J-PET Detector

Gajos

Curceanu

Czerwiński

et al. 2018

Advances in High Energy Physics

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This article reports on the feasibility of testing of the symmetry under reversal in time in a purely leptonic system constituted by positronium atoms using the J-PET detector. The present state of T symmetry tests is discussed with an emphasis on the scarcely explored sector of leptonic systems. Two possible strategies of searching for manifestations of T violation in non-vanishing angular correlations of final state observables in the decays of metastable triplet states of positronium available with J-PET are proposed and discussed. Results of a pilot measurement with J-PET and assessment of its performance in reconstruction of three-photon decays are shown along with an analysis of its impact on the sensitivity of the detector for the determination of T -violation sensitive observables.

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The vanishing analyzing powers in electron-proton elastic scattering; symmetries and dynamics

Conzett

1998

Nuclear Physics A

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Tests of time-reversal invariance in nuclear and particle physics

Cited by 5 publications

References 35 publications

Testing T invariance in the interaction of slow neutrons with aligned nuclei

Testing T invariance in the interaction of slow neutrons with aligned nuclei

Feasibility Study of the Time Reversal Symmetry Tests in Decay of Metastable Positronium Atoms with the J-PET Detector

The vanishing analyzing powers in electron-proton elastic scattering; symmetries and dynamics

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