On parity-violating three-nucleon interactions and the predictive power of few-nucleon EFT at very low energies

Grießhammer, Harald W.; Schindler, Matthias R.

doi:10.1140/epja/i2010-11017-x

Cited by 35 publications

(52 citation statements)

References 31 publications

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“…The analysis of Ref. [29] showed that no such enhancement of a PV three-nucleon contact term occurs at LO and NLO in nucleon-deuteron scattering. This means that up to an accuracy of approximately 10%, it is possible to analyze few-nucleon observables in terms of PV two-nucleon interactions.…”

Section: Pos(cd15)043mentioning

confidence: 99%

Hadronic parity violation in effective field theory

Schindler¹

2016

Proceedings of the 8th International Workshop on Chiral Dynamics — PoS(CD15)

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Parity-violating interactions between nucleons are the manifestation of an interplay of strong and weak interactions between quarks in the nucleons. Because of the short range of the weak interactions, these parity-violating forces provide a unique probe of low-energy strong interactions. An ongoing experimental program is mapping out this weak component of the nuclear force in few-nucleon systems. Recent theoretical progress in analyzing and interpreting hadronic parity violation in such systems based on effective field theory methods is described. In particular, important information on parity-violating nucleon-nucleon interactions can be gained from an asymmetry in deuteron photodisintegration, which might be measurable at a future high-intensity photon source such as the proposed upgraded HIGS facility.

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Section: Pos(cd15)043mentioning

confidence: 99%

Hadronic parity violation in effective field theory

Schindler¹

2016

Proceedings of the 8th International Workshop on Chiral Dynamics — PoS(CD15)

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“…In Ref. [19], it was shown that such an enhancement does not occur for PV three-nucleon interactions and that they do not contribute at LO and NLO. Therefore, up to an accuracy of roughly 10%, few-nucleon observables can be described by PV twonucleon interactions alone.…”

Section: Three-nucleon Systemsmentioning

confidence: 99%

Hadronic Parity Violation in Few-Nucleon Systems

Schindler

2013

Few-Body Syst

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Abstract. The weak interaction between quarks induces a parity-violating component in the interactions between nucleons, which is expected to be suppressed by a factor of about 10 −7 to 10 −6 compared to the dominant parity-conserving part of the interaction. A theoretical framework to analyze and interpret parity-violating observables in few-nucleon systems is described and selected results are presented.

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“…[26] (and refer the reader there for all details), but add to the potential the N 2 LO correction in Eq. (28). Since this term involves no new LECs, the extraction of the LECs works in exactly the same way.…”

Section: A Refit Of H π Using Part Of the N 2 Lo Potentialmentioning

confidence: 99%

A study of the parity-odd nucleon-nucleon potential

Vries

Meißner

et al. 2014

Eur. Phys. J. A

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We investigate the parity-violating nucleon-nucleon potential as obtained in chiral effective field theory. By using resonance saturation we compare the chiral potential to the more traditional one-meson exchange potential. In particular, we show how parameters appearing in the different approaches can be compared with each other and demonstrate that analyses of parity violation in proton-proton scattering within the different approaches are in good agreement. In the second part of this work, we extend the parity-violating potential to next-to-next-to-leading order. We show that generally it includes both one-pion-and twopion-exchange corrections, but the former play no significant role. The two-pion-exchange corrections depend on five new low-energy constants which only become important if the leading-order weak pion-nucleon constant h π turns out to be very small.

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On parity-violating three-nucleon interactions and the predictive power of few-nucleon EFT at very low energies

Cited by 35 publications

References 31 publications

Hadronic parity violation in effective field theory

Hadronic parity violation in effective field theory

Hadronic Parity Violation in Few-Nucleon Systems

A study of the parity-odd nucleon-nucleon potential

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