The determination of T- and CPT-violations for the (K0, K0 complex by K0K0 comparisons

Tanner, N.W.; Dalitz, R.H.

doi:10.1016/0003-4916(86)90008-4

Cited by 63 publications

(37 citation statements)

References 27 publications

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“…To get a consistent expression when also the term L[ρ] in (3) is present, it is necessary to take into account terms up to second order in all small quantities, as in (23). This is the only case among the discussed observables for which second order terms are needed.…”

mentioning

confidence: 99%

Experimental limits on complete positivity from the system

Benatti

Floreanini

1997

Physics Letters B

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mentioning

confidence: 99%

Experimental limits on complete positivity from the system

Benatti

Floreanini

1997

Physics Letters B

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“…Some examples are: (i) the perturbation expansion of the Schrödinger equation [104,105] leading to the two dimensional spinor representation with the exponential decay law, (ii) the unitarity relations [106], (iii) the conservation of the purity of states of isolated particles, manifested by the long time coherence of the kaon matter wave [65,66]. A dedicated measurement on this subject has been performed at CERN.…”

Section: Discussionmentioning

confidence: 99%

Plate with a hole obeys the averaged null energy condition

Graham

Olum

2005

Phys. Rev. D

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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), timereversal invariance violation, coherence of wave functions, and entanglement of kaons in pair states. We describe the phenomenological developments and the theoretical conclusions drawn from the experimental material. An outlook to future experimentation is indicated.

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“…Note also that our parametrization (4.9a,b) is similar to, but different from the one more widely adopted [23,24],…”

Section: Parametrization and Conditions Imposed By Cp T And Cp T Symentioning

confidence: 97%

“…n It is expected that the new experiments at the facilities such as DAΦNE, Frascati, will be providing data with such precision and quality that a more precise and thorough test of CP , T and CP T symmetries, and a test of the Bell-Steinberger relation as well, become possible [23,30,31].…”

Section: Summary and Concluding Remarksmentioning

confidence: 99%

CP, T and/or CPT violations in the $K^0 - \overline K^0$ system

Kouchi¹,

Takeuchi²,

Tsai³

2000

Eur. Phys. J. C

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Possible violation of CP , T and/or CP T symmetries in the K 0 -K 0 system is studied from a phenomenological point of view. For this purpose, we first introduce parameters which represent violation of these symmetries in mixing parameters and decay amplitudes in a convenient and well-defined way and, treating these parameters as small, derive formulas which relate them to the experimentally measured quantities. We then perform numerical analyses, with the aid of the Bell-Steinberger relation, to derive constraints to these symmetry-violating parameters, firstly paying particular attention to the results reported by KTeV Collaboration and NA48 Collaboration, and then with the results reported by CPLEAR Collaboration as well taken into account. A case study, in which either CP T symmetry or T symmetry is assumed, is also carried out. It is demonstrated that CP and T symmetries are violated definitively at the level of 10 −4 in 2π decays and presumably at the level of 10 −3 in the K 0 − K 0 mixing, and that the Bell-Steinberger relation helps us to establish CP and T violations being definitively present in the K 0 − K 0 mixing and to test CP T symmetry to a level of 10 −4 ∼

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The determination of T- and CPT-violations for the (K0, K0 complex by K0K0 comparisons

Cited by 63 publications

References 27 publications

Experimental limits on complete positivity from the system

Experimental limits on complete positivity from the system

Plate with a hole obeys the averaged null energy condition

CP, T and/or CPT violations in the $K^0 - \overline K^0$ system

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