Testing time-reversal symmetry using<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Hg</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>199</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>

Jacobs, J. P.; Klipstein, W. M.; Lamoreaux, S. K.; Heckel, B. R.; Fortson, E. N.

doi:10.1103/physrevlett.71.3782

Cited by 68 publications

(49 citation statements)

References 13 publications

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“…(23), is significantly lower than the central value of the prediction based on NDA and neutron EDM data [13]. Once again it shows usefulness of the limits on CP-violation extracted from EDM of 199 Hg [14].…”

Section: Discussionmentioning

confidence: 98%

“…The experimental bound on EDM of 199 Hg [14] translates into the following stringent limit on g πN N g πpp ≃ g πN N < 2 · 10 −11 (22) In the most interesting case of proportionality we get the following bound on the ratio of axion-mediated long-range interaction to gravitational force for the range of new force…”

Section: Comparison With Experimental Datamentioning

confidence: 99%

“…In this letter we calculate the strength of the axion-matter coupling and dynamically induced theta term using chiral perturbation theory and some elements of the QCD sum rules. Our aim is to improve the accuracy of the predictions based on NDA and connect this vertex with CP-odd pion-nucleon coupling constant, strongly limited from the experiments searching for EDMs of diamagnetic atoms [14] (For the detailed analysis of this coupling, see Refs. [15,16].…”

Section: Introductionmentioning

confidence: 99%

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CP-odd interaction of axion with matter

Pospelov

1998

Phys. Rev. D

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In the world with axion the precise measurement of gravitational force and check of the equivalence principle at small distances, λ ∼ 1cm and less, could provide an additional test of CP symmetry. Using the chiral approach, we connect the strength of CP-odd axion-nucleon vertex with CP-odd pion-nucleon coupling for color electric dipole moments of quarks as a low energy source of CP violation. Strong limits on CP-odd coupling g πN N coming from atomic electric dipole moments show that gravitational experiments are six orders of magnitude away from the sensitivity level needed to detect axion-mediated forces.

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Section: Discussionmentioning

confidence: 98%

Section: Comparison With Experimental Datamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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CP-odd interaction of axion with matter

Pospelov

1998

Phys. Rev. D

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“…(1) are related to the following lepton-quark and quark-quark interactions e 5 e qq ; ee q 5 q ; e e q 5 q ; 2 qq q 0 5 q 0 ; q q q 0 5 q 0 ; (2) One may wonder how the lepton-quark and quark-quark four-fermion interactions may be generated beyond the SM. The C S;P type of interactions can be generated, for example, by exchanging neutral Higgs scalars or leptoquark scalars at the tree level 7,8].…”

mentioning

confidence: 99%

“…Here we concentrate on constraints on CP violating electron-nucleon and nucleon-nucleon interactions and their generalization to lepton-quark and quark-quark four-fermion interactions. The CP violating electron-nucleon and nucleon-nucleon interactions can be written as: (1) where N and N 0 can be n or p. The best experimental constraints on these interactions come from bound on the EDM of 199 Hg 2,6] with jC S j < 1 10 6 and jC T j < 2 10 8 . The constraint on C P is about one order of magnitude weaker than that on C S .…”

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confidence: 99%

Constraints on CP violating four-fermion interactions

He¹,

McKellar²

1997

Physics Letters B

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It has been shown that CP violating electron-nucleon and nucleon-nucleon interactions can induce atomic electric dipole moments and are therefore constrained from experimental data. We show that using the experimental upper bounds on neutron and electron electric dipole moments, one can also obtain constraints, in some cases better ones, on these interactions. In addition stringent constraints can also be obtained for muon-quark and tauon-quark four-fermion CP violating interactions, which cannot be constrained from atomic electric dipole moment experiments.

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Suche nach permanenten elektrischen Dipolmomenten: ein Test der Zeitumkehrinvarianz

Ramsey¹,

Weis

1996

Phys. Bl.

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Elementarteilchen konnen kein permanentes elektrisches Dipolmoment haben, wenn die Naturgesetze gegeniiber den diskreten Symmetrieoperationen von Raumspiegelung und Zeitumkehr invariant sind. Seit ihrer Entdeckung in den 50er Jahren ist die Verletzung der Raumspiegelungsinvarianz (Paritatsverletzung) in einer Vielzahl von Systemen untersucht worden. Ihre verschiedenen Erscheinungsformen lassen sich heute durch das sogenannte Standardmodell gut beschreiben. Demgegeniiber wurde bislang nur ein einziges Ma1 eine Verletzung der Zeitumkehrinvarianz beobachtet, deren Ursprung bis heute im Dunkeln geblieben ist. Verschiedene zur Zeit durchgefiihrte und geplante Experimente, die nach elektri: schen Dipolmomenten in Neutronen, Atomen und Molekiilen suchen, sollen in Zukunft mehr Licht auf die Mechanismen der T-Verletzung werfen und konnten moglicherweise Hinweise auf Physik jenseits des Standardmodells geben. Wir geben einen historischen Uberblick iiber die Suche nach elektrischen Dipolmomenten von Neutronen und Atomen.

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Testing time-reversal symmetry usingHg199

Cited by 68 publications

References 13 publications

CP-odd interaction of axion with matter

CP-odd interaction of axion with matter

Constraints on CP violating four-fermion interactions

Suche nach permanenten elektrischen Dipolmomenten: ein Test der Zeitumkehrinvarianz

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