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I review the new physics sensitivity of low-energy parity-violating (PV) observables. I concentrate on signatures of new tree-level physics in atomic PV with a single isotope, ratios of atomic PV observables, and PV electron scattering. In…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. J. Ramsey-Musolf

I discuss the prospects for future studies of parity-violating (PV) interactions at low energies and the insights they might provide about open questions in the Standard Model as well as physics that lies beyond it. I cover four types of…

Nuclear Theory · Physics 2008-11-26 Michael J. Ramsey-Musolf

Two relativistic approaches are considered to evaluate the quasielastic double-differential and integrated neutrino-nucleus cross sections. One, based on the relativistic impulse approximation, relies on the microscopic description of…

Nuclear Theory · Physics 2011-09-08 J. E. Amaro , M. B. Barbaro , J. A. Caballero , T. W. Donnelly , J. M. Udias

The measurement of parity violation in the helicity dependence of electron-nucleon scattering provides unique information about the basic quark structure of the nucleons. In this review, the general formalism of parity-violating electron…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. H. Beck , R. D. McKeown

We have studied the possible signals of unparticle in atomic parity violation(APV) along an isotope chain and in the NuTeV experiment. The effects of unparticle physics could be observed in APV, if the uncertainty in relative neutron/proton…

High Energy Physics - Phenomenology · Physics 2008-11-26 Gui-Jun Ding , Mu-Lin Yan

We show that the present experimental limits on electron-nucleon interactions that violate both parity and time reversal invariance provide new stringent bounds on the imaginary parts of some of the products of the R-parity violating…

High Energy Physics - Phenomenology · Physics 2009-10-31 Peter Herczeg

As an attempt to find a way to resolve the discrepancy between calculated by traditional methods PV effects and the available set of experimental data, we analyze the methods of calculations of symmetry violating effects in few-body nuclear…

Nuclear Theory · Physics 2010-12-22 Vladimir Gudkov , Young-Ho Song

The general expressions for parity violation observables in elastic scattering of polarized and/or unpolarized electrons from unpolarized deuterons are given and are numerically evaluated for the kinematics of SAMPLE, PVA4 and G0…

Nuclear Theory · Physics 2015-05-13 S. Ahmad , S. K. Singh , H. Arenhoevel

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

Parity violating electron nucleus scattering is a clean and powerful tool for measuring the spatial distributions of neutrons in nuclei with unprecedented accuracy. Parity violation arises from the interference of electromagnetic and weak…

Nuclear Theory · Physics 2014-11-18 C. J. Horowitz , S. J. Pollock , P. A. Souder , R. Michaels

Superscaling of the quasielastic cross section in charged current neutrino-nucleus reactions at energies of a few GeV is investigated within the framework of the relativistic impulse approximation. Several approaches are used to describe…

Nuclear Theory · Physics 2008-11-26 J. A. Caballero , J. E. Amaro , M. B. Barbaro , T. W. Donnelly , C. Maieron , J. M. Udias

An approach aimed to extend the applicability range of non-relativistic microscopic calculations of electronuclear response functions is reviewed. In the quasielastic peak region the calculations agree with experiment at momentum transfers…

Nuclear Theory · Physics 2015-06-23 V. D. Efros

We present a computational investigation of the parity-violating (PV) contributions to the vibrational transitions and nuclear magnetic resonance shieldings of helical osmocene. A number of promising transitions within the spectral window…

Several perspectives that can be opened by studying the electroexcitation of the delta via parity-violating electron scattering from nuclei are examined, working within the context of the relativistic Fermi gas model. A strong enhancement…

Nuclear Theory · Physics 2009-11-06 P. Amore , R. Cenni , T. W. Donnelly , A. Molinari

Studying the violation of parity and time-reversal invariance in atomic systems has proven to be a very effective means for testing the electroweak theory at low energy and searching for physics beyond it. Recent developments in both atomic…

Atomic Physics · Physics 2015-05-11 B. M. Roberts , V. A. Dzuba , V. V. Flambaum

We present a study of parity (P) violating contributions to the eigenenergies of stationary systems containing atoms in spatially inhomogeneous external electric fields. In this context the subtle interplay of P-violation and time reversal…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Bruss , T. Gasenzer , O. Nachtmann

The response to longitudinally polarized electrons in coincident out-of-plane ($\vec{\mathrm e},{\mathrm e}'{\mathrm p}$) reaction is discussed to study the role of final state interactions and quantum interference between different…

Nuclear Theory · Physics 2009-10-28 A. Bianconi , S. Boffi

The experimental data from quasielastic electron scattering from $^{12}$C are reanalyzed in terms of a new scaling variable suggested by the interacting relativistic Fermi gas with scalar and vector interactions, which is known to generate…

Nuclear Theory · Physics 2015-10-28 J. E. Amaro , E. Ruiz Arriola , I. Ruiz Simo

We report the result of our calculation of the nuclear spin-independent parity violating electric dipole transition amplitude ($E1_{PV}$) for the $6s ~ ^2S_{1/2} - 7s ~ ^2S_{1/2}$ transition in $^{133}$Cs to an accuracy of 0.3\% using a…

High Energy Physics - Phenomenology · Physics 2020-09-01 B. K. Sahoo , B. P. Das

Using a recent reformulation of the analysis of nuclear parity-violation (PV) within the framework of effective field theory (EFT), we show how predictions for parity-violating observables in low-energy light hadronic systems can be…

Nuclear Theory · Physics 2011-07-19 Barry R. Holstein