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We consider the role of high-lying Rydberg states of simple atomic systems such as $^1$H in setting constraints on physics beyond the Standard Model. We obtain highly accurate bound states energies for a hydrogen atom in the presence of an…

High Energy Physics - Phenomenology · Physics 2020-03-06 Matthew P. A. Jones , Robert M. Potvliege , Michael Spannowsky

The excitation of H ($1s-2s$) by electron impact in the presence and in the absence of the laser field is studied in the framework of the first Born approximation. The angular variation of the laser-assisted differential cross section (DCS)…

Atomic Physics · Physics 2012-12-09 S. Taj , B. Manaut , M. El Idrissi , L. Oufni

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…

The precision measurement of the $WW\gamma$ vertex at the future Large Hadron electron Collider (LHeC) at CERN is discussed in this paper. We propose to measure this vertex in the $e^{-} p\to e^{-}W^{\pm}j$ channel as a complement to the…

High Energy Physics - Phenomenology · Physics 2018-05-09 Ruibo Li , Xiao-Min Shen , Kai Wang , Tao Xu , Liangliang Zhang , Guohuai Zhu

We present the atomic parity violation measurements made in Cs vapour using a pump-probe scheme. After pulsed excitation of the 6S-7S forbidden transition in the presence of a longitudinal electric field, a laser beam resonant with one of…

Atomic Physics · Physics 2007-07-25 Michel Lintz , Jocelyne Guéna , Marie-Anne Bouchiat

Light propagation in an atomic medium whose coupled electronic levels form a diamond-configuration exhibits a critical dependence on the input conditions. In particular, the relative phase of the input fields gives rise to interference…

Atomic Physics · Physics 2009-11-11 S. Kajari-Schroeder , G. Morigi , S. Franke-Arnold , G. -L. Oppo

We explore the sensitivity of the parity-violating electron scattering (PVES) asymmetry in both elastic and deep-inelastic scattering to the properties of a dark photon. Given advances in experimental capabilities in recent years, there are…

High Energy Physics - Phenomenology · Physics 2022-07-05 A. W. Thomas , X. G. Wang , A. G. Williams

A classical model of the hydrogen atom in a static electric field is studied, basing upon the work [ Hooker A. et al, {\it Phys. Rev. A}, 55 (1997) 4609 ]. In that work the electrons are supposed to move along Kepler orbits around the…

Atomic Physics · Physics 2007-05-23 Fabio Sattin

This work considers how the properties of hydrogen bonded complexes, D-H....A, are modified by the quantum motion of the shared proton. Using a simple two-diabatic state model Hamiltonian, the analysis of the symmetric case, where the donor…

Chemical Physics · Physics 2014-05-09 Ross H. McKenzie , Christiaan Bekker , Bijyalaxmi Athokpam , Sai G. Ramesh

Background: The Po, Pb, Hg, and Pt region is known for the presence of coexisting structures that correspond to different particle-hole configurations in the Shell Model language or equivalently to nuclear shapes with different deformation.…

Nuclear Theory · Physics 2015-06-18 J. E. Garcia-Ramos , K. Heyde

We present a combination of theoretical calculations and experiments for the low-lying vibrational excitations of H and D atoms adsorbed on the Pt(111) surface. The vibrational band states are calculated based on the full three-dimensional…

Statistical Mechanics · Physics 2009-11-07 S. C. Badescu , P. Salo , T. Ala-Nissila , S. C. Ying , K. Jacobi , Y. Wang , K. Bedurftig , G. Ertl

We show that within the Left-Right symmetric model, lepton number violating decays of the Higgs boson can be discovered at the LHC. The process is due to the mixing of the Higgs with the triplet that breaks parity. As a result, the Higgs…

High Energy Physics - Phenomenology · Physics 2015-09-07 Alessio Maiezza , Miha Nemevsek , Fabrizio Nesti

We investigate pairing and quantum phase transitions in the one-dimensional two-component Fermi atomic gas in an external field. The phase diagram, critical fields, magnetization and local pairing correlation are obtained analytically via…

Strongly Correlated Electrons · Physics 2007-08-17 X W Guan , M T Batchelor , C Lee , M Bortz

After almost five decades of study of parity violation in hadronic systems, the determination of the seven weak meson-nucleon couplings is still incomplete. Whereas parity violation in nuclear systems is complicated by the intricacies of…

Nuclear Experiment · Physics 2009-11-13 Willem T. H. van Oers

Hexagonal lattice systems (e.g. triangular, honeycomb, kagome) possess a multidimensional irreducible representation corresponding to $d_{x^2-y^2}$ and $d_{xy}$ symmetry. Consequently, various unconventional phases that combine these…

Strongly Correlated Electrons · Physics 2013-11-18 Akash V. Maharaj , Ronny Thomale , S. Raghu

P-violation of the nuclear weak force was hitherto believed to manifest itself only in asymmetric $\beta$-emission due to neutron decay. Molecules with space asymmetry (like L and D amino acids) are affected by this parity violation,…

Chemical Physics · Physics 2007-05-23 Avshalom C. Elizur , Meir Shinitzky

We report on the surface modification of polytetrafluoroethylene (PTFE) as an example of soft- and bio-materials that occur under plasma discharge by kinetics analysis of radical formation using in situ real-time electron spin resonance…

We propose a parity-controlled gate within a two-dimensional Rydberg atom array, enabling efficient discrimination between even and odd parities of virtually excited control atoms by monitoring the dynamic evolution of an auxiliary atom.…

Quantum Physics · Physics 2025-01-28 F. Q. Guo , S. L. Su , Weibin Li , X. Q. Shao

The coherent dipole-dipole interactions of atoms in an atomic array are studied. It is found that the excitation probability of an atom in an array parallel to the direction of laser propagation ($\boldsymbol{\hat{k}}$) will either grow or…

Atomic Physics · Physics 2016-09-21 R. T. Sutherland , F. Robicheaux

We study the propagation of electromagnetic waves in the Bose-Einstein condensate of atoms with both intrinsic dipole moments and those induced by the electric field. The modified Gross--Pitaevskii equation is used, which takes into account…

Quantum Gases · Physics 2014-08-08 Yu. M. Poluektov , I. V. Tanatarov