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Related papers: Chiral Molecule in the Standard Model

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A highly-efficient method for optical detection and separation of left- and right-handed chiral molecules is presented. The method utilizes a closed-loop three-state system in which the population dynamics depends on the phases of the three…

Quantum Physics · Physics 2019-05-08 Nikolay V. Vitanov , Michael Drewsen

A low energy theorem concerning a matrix element of the QCD axial anomaly between vacuum and two-photons states is tested against different instanton models. In the chiral limit the theorem is fulfilled by the Diakonov&Petrov model, whereas…

High Energy Physics - Phenomenology · Physics 2011-09-13 E. Di Salvo , M. M. Musakhanov

Chirality causes symmetry breaks in a large variety of natural phenomena ranging from particle physics to biochemistry. We investigate one of the simplest conceivable chiral systems, a laser-excited, oriented, effective one-electron Li…

Chiral phonons have been proposed to be involved in various physical phenomena, yet the chirality of molecular normal modes has not been well defined mathematically. Here we examine two approaches for assigning and quantifying the chirality…

Mesoscale and Nanoscale Physics · Physics 2025-01-07 Ethan Abraham , Abraham Nitzan

Adopting the fully quantal triaxial particle rotor model, the candidate chiral doublet bands in odd-$A$ nuclei $^{103}$Rh and $^{105}$Rh with $\pi g_{9/2}^{-1}\otimes\nu h^{2}_{11/2}$ configuration are studied. For the doublet bands in both…

Nuclear Theory · Physics 2011-03-22 B. Qi , S. Q. Zhang , S. Y. Wang , J. Meng , T. Koike

Human biology has a preference for left-handed chiral molecules and an outstanding question is if this is imposed through astrophysical origins. We aim to evaluate the known information about chiral molecules within astrophysical and…

Instrumentation and Methods for Astrophysics · Physics 2024-01-19 Chenoa D. Tremblay , Roger D. Amos , Rika Kobayashi

A possible theoretical scheme is proposed for the unified description of charge excitations with $10^{10}$ orders of magnitude difference in energy [from optical($\sim$eV) down to dielectric anomalies (10KHz$\sim 10^{-10}$eV)] based on a…

Materials Science · Physics 2018-01-17 Hidetoshi Fukuyama , Jun-ichiro Kishine , Masao Ogata

Chirality and chiral molecules are key elements in modern chemical and biochemical industries. Individual addressing, and the eventual separation of chiral enantiomers has been and still is an important elusive task in molecular physics and…

In this paper a scenario with the participation of the exotic scalar S, tensor T and pseudoscalar couplings of the right-handed neutrinos in addition to the standard vector V, axial A couplings of the left-handed neutrinos in the low-energy…

High Energy Physics - Phenomenology · Physics 2019-03-08 S. Ciechanowicz , M. Misiaszek , W. Sobkow

In this paper, we analyze the polarized muon decay at rest (PMDaR) admitting the non-standard V+A interaction in addition to the standard V-A interaction. We show that the angle-energy distribution of Dirac muon neutrinos is sensitive to…

High Energy Physics - Phenomenology · Physics 2016-05-30 W. Sobków

A novel approach for the state-specific enantiomeric enrichment and the spatial separation of enantiomers is presented. Our scheme utilizes techniques from strong-field laser physics, specifically an optical centrifuge in conjunction with a…

Chemical Physics · Physics 2019-12-18 Andrey Yachmenev , Jolijn Onvlee , Emil Zak , Alec Owens , Jochen Küpper

A theory concerning non-zero macroscopic chirality-dependent force between a source mass and homochiral molecules due to the exchange of light particles is presented in this paper. This force is proposed to have opposite sign for molecules…

General Relativity and Quantum Cosmology · Physics 2009-11-13 Yonghong Hu , Zhongzhu Liu , Qing Xu , Jun Luo

Angular distribution of photoelectrons released by the ionization of randomly-oriented molecules with two laser fields of carrier frequencies $\omega$ and $2\omega$, which are linearly polarized in two mutually-orthogonal directions, is…

Quantum Physics · Physics 2019-06-11 Philipp V. Demekhin

The Standard Model of particle interactions is extended to include fermion doublets (n,e)_R transforming under the gauge group SU(2)_R such that n is a scotino (dark-matter fermion), with odd R parity. This dark left-right model (DLRM)…

High Energy Physics - Phenomenology · Physics 2010-02-03 Ernest Ma

The breaking of parity, a fundamental symmetry between left and right is best understood in the framework of left-right symmetric extension of the standard model. We show that the production of a heavy right-handed neutrino at the proposed…

High Energy Physics - Phenomenology · Physics 2016-02-03 Subhadeep Mondal , Santosh Kumar Rai

Chirality is ubiquitous from microscopic to macroscopic phenomena in physics and biology, such as fermionic interactions and DNA duplication. In photonics, chirality has traditionally represented differentiated optical responses for right…

Optics · Physics 2019-09-02 Sunkyu Yu , Xianji Piao , Namkyoo Park

Chirality ubiquitously appears in nature, however, its quantification remains obscure owing to the lack of microscopic description at the quantum-mechanical level. We propose a way of evaluating chirality in terms of electric toroidal…

Materials Science · Physics 2024-05-22 Akane Inda , Rikuto Oiwa , Satoru Hayami , Hiroshi M Yamamoto , Hiroaki Kusunose

We explain the difference between the measured decay widths of $b \to c \tau \nu$ processes and of $B\to K\nu\bar{\nu}$ and their values predicted in the Standard Model by introducing the right-handed interactions both to quarks and to…

High Energy Physics - Phenomenology · Physics 2025-02-12 Damir Bečirević , Svjetlana Fajfer , Nejc Košnik , Lovre Pavičić

A calculation of the deuteron polarization observables $A^d_y$, $A_{yy}$, $A_{xx}$, $A_{xz}$ and the differential cross-section for elastic nucleon-deuteron scattering at incident deuteron energies 270 and 880 MeV in lab is presented. A…

Nuclear Theory · Physics 2009-05-12 M. A. Shikhalev

Recent lattice QCD calculations of direct CP violation in $K_L \to \pi \pi$ decays indicate tension with the experimental results. Assuming this tension to be real, we investigate a possible beyond-the-Standard Model explanation via…

High Energy Physics - Phenomenology · Physics 2017-01-25 V. Cirigliano , W. Dekens , J. de Vries , E. Mereghetti