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A new analysis of parity violation in atomic cesium has led to the improved value of the weak charge, $Q_W({\rm Cs}) = -72.06 \pm 0.46$. The implications of this result for constraining the Peskin-Takeuchi parameters S and T and for guiding…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jonathan L. Rosner

The dominant one-loop radiative corrections to atomic wave functions, those associated with vacuum polarization in the nuclear Coulomb field, are evaluated for the 6s-7s parity-nonconserving (PNC) transition amplitude in 133Cs. These…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. R. Johnson , I Bednyakov , G. Soff

We exploit the process of asymmetry amplification by stimulated emission which provides an original method for parity violation (PV) measurements in a highly forbidden atomic transition. The method involves measurements of a chiral,…

Atomic Physics · Physics 2009-11-10 J. Guéna , M. Lintz , M. -A. Bouchiat

Currently the theoretical uncertainty limits the interpretation of the atomic parity non-conservation (PNC) measurements. We calculate the PNC $5s$ - $6s$ electric dipole transition amplitude in rubidium and demonstrate that rubidium is a…

Atomic Physics · Physics 2013-05-14 V. A. Dzuba , V. V. Flambaum , B. Roberts

We apply the sum-over-states approach to calculate partial contributions to the parity non-conservation (PNC) in cesium [Porsev {\em et al}, Phys. Rev. D {\bf 82}, 036008 (2010)]. We have found significant corrections to two non-dominating…

High Energy Physics - Phenomenology · Physics 2013-05-14 V. A. Dzuba , J. C. Berengut , V. V. Flambaum , B. Roberts

Minimal supersymmetric standard model with R-parity violation (RPVMSSM) contributes to the P-, CP-odd four-quark interaction. The P-, CP-odd four-quark interaction is constrained by the new 199Hg EDM experimental data. It is then possible…

High Energy Physics - Phenomenology · Physics 2015-05-27 Nodoka Yamanaka , Toru Sato , Takahiro Kubota

We present a detailed analysis of the neutron, deuteron and mercury electric dipole moment from supersymmetry without R parity, focusing on the quark-scalar loop contributions. Being proportional to top Yukawa and top mass, such…

High Energy Physics - Phenomenology · Physics 2008-11-26 Chan-Chi Chiou , Otto C. W. Kong , Rishikesh D. Vaidya

We calculate the electric dipole moments (EDM) of the neutral Hg(199) atom, deuteron, nucleons and neutral hyperons Lambda, Sigma(0) and Xi(0) in the framework of a generic SUSY model without R-parity conservation (RPV SUSY) on the basis of…

High Energy Physics - Phenomenology · Physics 2007-05-23 Amand Faessler , Thomas Gutsche , Sergey Kovalenko , Valery E. Lyubovitskij

We have performed ab initio mixed-states and sum-over-states calculations of parity nonconserving (PNC) electric dipole (E1) transition amplitudes between s-d electron states of Cs, Fr, Ba II, and Ra II. For the lower states of these atoms…

Atomic Physics · Physics 2009-11-07 V. A. Dzuba , V. V. Flambaum , J. S. M. Ginges

The parity (P) and time-reversal (T) odd coupling constant associated with the tensor-pseudotensor (T-PT) electron-nucleus interaction and the nuclear Schiff moment (NSM) have been determined by combining the result of the measurement of…

Atomic Physics · Physics 2015-06-18 Yashpal Singh , B. K. Sahoo , B. P. Das

The electric dipole moment of atomic $^{199}$Hg induced by the nuclear Schiff moment and tensor-pseudotensor electron-nucleus interactions has been calculated. For this, we have developed and employed a novel method based on the…

Atomic Physics · Physics 2009-12-29 K. V. P. Latha , D. Angom , B. P. Das , D. Mukherjee

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,…

Nuclear Theory · Physics 2014-07-17 J. de Vries , N. Li , Ulf-G. Meißner , N. Kaiser , X. -H. Liu , S. -L. Zhu

The longitudinal asymmetry induced by parity-violating (PV) components in the nucleon-nucleon potential is studied in the charge-exchange reaction 3He(n,p)3H at vanishing incident neutron energies. An expression for the PV observable is…

Nuclear Theory · Physics 2010-11-11 M. Viviani , R. Schiavilla , L. Girlanda , A. Kievsky , L. E. Marcucci

Parity violation in elastic electron-nucleon scattering is studied with the basic goal of improving the understanding of electroweak hadronic structure with special emphasis on the strangeness content in the nucleon. Models for the…

Nuclear Theory · Physics 2014-08-12 R. González-Jiménez , J. A. Caballero , T. W. Donnelly

The self-energy and vertex QED radiative corrections (Z alpha^2 f(Z alpha)) are shown to give a large negative contribution to the parity nonconserving (PNC) amplitude in heavy atoms. The correction -0.7(2)% found for the 6s-7s PNC…

High Energy Physics - Phenomenology · Physics 2009-08-18 M. Yu. Kuchiev , V. V. Flambaum

We update the single-coupling bounds on R-parity violating supersymmetry using the most up to date data as of October 2009. In addition to the data listed in the 2009 Review of Particle Properties, we utilize a new determination of the weak…

High Energy Physics - Phenomenology · Physics 2009-11-16 Yee Kao , Tatsu Takeuchi

Charge symmetry breaking contributions to the proton's neutral weak form factors must be understood in order for future measurements of parity violating electron-proton scattering to be definitively interpreted as evidence of proton…

Nuclear Theory · Physics 2014-12-17 Michael Wagman , Gerald A. Miller

Atomic Parity Violation (APV) is usually quantified in terms of the weak nuclear charge $Q_W$ of a nucleus, which depends on the coupling strength between the atomic electrons and quarks. In this work, we review the importance of APV to…

High Energy Physics - Phenomenology · Physics 2019-06-13 Giorgio Arcadi , Manfred Lindner , Jessica Martins , Farinaldo S. Queiroz

Parity-violating (PV) interactions among quarks in the nucleon induce a PV $\gamma NN$ coupling, or anapole moment (AM). We compute electroweak gauge-independent contributions to the AM through ${\cal O}(1/\lamchis)$ in chiral perturbation…

High Energy Physics - Phenomenology · Physics 2009-10-31 Shi-Lin Zhu , S. J. Puglia , B. R. Holstein , M. J. Ramsey-Musolf

Using special capacitors three experiments to search for a permanent electric dipole moment (EDM) of Cesium atom were completed. The electric susceptibility xe of Cs vapor varies in direct proportion to the density N, where xe =70 when…

Atomic Physics · Physics 2008-09-30 Pei-Lin You , Xiang-You Huang