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Parity- and time reversal-violating (PVTV) pion-nucleon couplings govern the magnitude of long-range contributions to nucleon and atomic electric dipole moments. When these couplings arise from chiral symmetry-breaking CP-violating…

High Energy Physics - Phenomenology · Physics 2017-12-27 Chien-Yeah Seng , Michael Ramsey-Musolf

Parity violation in a chiral, four-atom molecule is discussed. Given the geometrical positions of the four atoms, we calculate the anapole moment of it. This problem was first discussed by Khriplovich and Pospelov. We give a detailed…

High Energy Physics - Phenomenology · Physics 2016-01-20 Takeshi Fukuyama , Takamasa Momose , Daisuke Nomura

We review the current status of the study of parity and time invariance violation in atoms, nuclei and molecules. We focus on parity non-conservation in cesium and three of the most promising areas of research: (i) parity non-conservation…

Atomic Physics · Physics 2015-06-11 V. A. Dzuba , V. V. Flambaum

Searches for pair-produced charginos, neutralinos and scalar fermions decaying via R-parity violating / /\' and /\'' couplings with the OPAL detector at LEP are presented at sqrt(s)=189 GeV. Partial updates using data up to the highest…

High Energy Physics - Experiment · Physics 2011-07-19 Gabriella Pasztor

The possible appearance of the effects of local parity breaking in the QCD medium formed in heavy ion collisions due to violation of chiral symmetry can be quantified by corresponding chiral chemical potential $\mu_5$. The experimental…

High Energy Physics - Phenomenology · Physics 2024-08-29 Vladimir Kovalenko

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

Investigations of CP violation in hadron sector may be done using measurements in the ThO molecule. Recent measurements in this molecule improved the limit on electron EDM by an order of magnitude. Another time reversal (T) and parity (P)…

Atomic Physics · Physics 2015-01-13 L. V. Skripnikov , A. N. Petrov , A. V. Titov , V. V. Flambaum

We compute synchrotron radiation from a plasma in which $P$- and $CP$-violating parameters, a chiral chemical potential and a chiral gradient, couple to fermions. To do this, we compute exact wavefunctions for the fermions in the presence…

High Energy Physics - Phenomenology · Physics 2026-02-04 Jonathan D. Kroth , Kirill Tuchin

A search for the violation of the charge-parity ($CP$) symmetry in the production of top quarks in association with Z bosons is presented, using events with at least three charged leptons and additional jets. The search is performed in a…

High Energy Physics - Experiment · Physics 2026-01-08 CMS Collaboration

An enhanced mechanism is proposed for the large-amplitude-motion-induced parity-violating frequency by integrating the exact quantum dynamics method with the relativistic electronic structure theory. The torsional wavefunctions and PV…

Atomic Physics · Physics 2025-02-03 Ayaki Sunaga

Nuclear spin-dependent parity violation (NSD-PV) effects in atoms and molecules arise from $Z^0$ boson exchange between electrons and the nucleus, and from the magnetic interaction between electrons and the parity-violating nuclear anapole…

Atomic Physics · Physics 2018-04-06 Emine Altuntas , Jeffrey Ammon , Sidney B. Cahn , David DeMille

The leading weak corrections to the production of top quark pairs via $q\bar{q} \to t\bar{t}$ in $p\bar{p}$ collisions are evaluated. The chromo-anapole form factor of the top quark and effects of parity violation are studied in the…

High Energy Physics - Phenomenology · Physics 2009-10-28 Chung Kao

We analyze the parity-violating (PV) components of the analyzing power in elastic electron-proton scattering and discuss their sensitivity to the strange quark contributions to the proton weak form factors. We point out that the component…

Nuclear Theory · Physics 2009-10-31 M. Moscani , B. Mosconi , P. Ricci

We investigate the parity-violating analyzing power in neutron capture on the proton at thermal energies in the framework of chiral effective field theory. By combining this analysis with a previous analysis of parity violation in…

Nuclear Theory · Physics 2015-06-15 J. de Vries , N. Li , Ulf-G. Meißner , A. Nogga , E. Epelbaum , N. Kaiser

We examine the possibility that one could measure partonic charge symmetry violation (CSV) by comparing neutrino or antineutrino production through charged-current reactions induced by electrons or positrons at a possible electron collider…

High Energy Physics - Phenomenology · Physics 2015-03-17 T. J. Hobbs , J. T. Londergan , D. P. Murdock , A. W. Thomas

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

Chirality is ubiquitous in nature and of fundamental importance in science. The present work focuses on understanding the conditions required to modify the chirality during ultrafast electronic motion by bringing enantiomers…

Chemical Physics · Physics 2021-01-04 Sucharita Giri , Alexandra Maxi Dudzinski , Jean Christophe Tremblay , Gopal Dixit

Nuclear-spin-dependent (NSD) parity violating (PV) effects can be strongly enhanced in diatomic molecules containing heavy atoms. Future measurements are anticipated to provide nuclear anapole moments and strength constants for PV nuclear…

Atomic Physics · Physics 2012-11-20 A. Borschevsky , M. Iliaš , V. A. Dzuba , K. Beloy , V. V. Flambaum , P. A. Schwerdtfeger

Encircling an exceptional point (EP) in a parity-time (PT) symmetric system has shown great potential for chiral optical devices, such as chiral mode switching for symmetric and anti-symmetric modes. However, the chiral switching for…

In minimal supersymmetric standard model the R-parity violating interactions can induce anomalous top pair productions at the LHC through the t-channel process d_R \bar d_R -> t_L \bar t_L by exchanging a slepton or u-channel process d_R…

High Energy Physics - Phenomenology · Physics 2008-11-26 Peiying Li , Gongru Lu , Jin Min Yang , Huanjun Zhang