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Related papers: Parity nonconservation in dielectronic recombinati…

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We discuss a parity nonconserving asymmetry in the cross section of KLL dielectronic recombination of polarized electrons on the hydrogen-like ions with $Z \lesssim 60$. This effect is strongly enhanced because of the near-degeneracy of…

Atomic Physics · Physics 2009-09-01 G. F. Gribakin , F. J. Currell , M. G. Kozlov , A. I. Mikhailov

We investigate the parity nonconservation (PNC) effect in the dielectronic recombination (DR) of a polarized electron with a heavy He-like ion into doubly-excited $((1s 2p_{1/2})_{0} n{\kappa})_{1/2}$ and $\left(\left(1s 2s\right)_{0}…

Parity nonconservation (PNC) effect in recombination of a polarized electron with a heavy H-like ion in case of resonance with a doubly excited state of the corresponding He-like ion is studied. It is assumed that photons of the energy…

Atomic Physics · Physics 2011-11-28 A. V. Maiorova , V. M. Shabaev , A. V. Volotka , V. A. Zaytsev , G. Plunien , T. Stoehlker

We investigate the parity nonconservation effect in the elastic scattering of polarized electrons on heavy He-like ions, being initially in the ground state. The enhancement of the parity violation is achieved by tuning the energy of the…

Atomic Physics · Physics 2016-01-12 V. A. Zaytsev , A. V. Maiorova , V. M. Shabaev , S. Tashenov , Th. Stoehlker

The parity nonconservation effect on the radiative recombination of electrons with heavy hydrogenlike ions is studied. Calculations are performed for the recombination into the $2^1S_0$ state of helium-like thorium and gadolinium, where,…

Atomic Physics · Physics 2009-09-25 A. V. Maiorova , O. I. Pavlova , V. M. Shabaev , C. Kozhuharov , G. Plunien , T. Stoehlker

We show that the asymmetries in the nuclear resonance fluorescence processes with a circular polarized photon beam may be used as a tool for studying the parity non-conservation (PNC) in nuclei. The PNC asymmetry measurements both in…

Nuclear Theory · Physics 2009-11-11 A. I. Titov , M. Fujiwara , K. Kawase

We consider parity nonconservation (PNC) in singly ionized ytterbium (Yb+) arising from the neutral current weak interaction. We calculate the PNC electric dipole transition amplitude (E1_PNC) and the properties associated with it using the…

Atomic Physics · Physics 2015-05-28 B. K. Sahoo , B. P. Das

We discuss the prospects for parity non-conservation experiments with highly charged heavy ions. Energy levels and parity mixing for heavy ions with two to five electrons are calculated. We investigate two-photon-transitions and the…

atom-ph · Physics 2016-08-15 M. Maul , A. Schäfer , W. Greiner , P. Indelicato

We analyze the energy dependence for two types of parity-non-conserving (PNC) asymmetries in the reaction $\gamma D\to np$ in the near-threshold region. The first one is the asymmetry in reaction with circularly polarized photon beam and…

Nuclear Theory · Physics 2016-09-08 M. Fujiwara , A. I. Titov

The parity-non-conserving (pnc) asymmetry in \vec{n} + p \to d+\gamma at thermal energies has recently been calculated using effective field-theory methods. A comparison of this calculation with much more elaborate calculations performed in…

Nuclear Theory · Physics 2011-07-19 B. Desplanques

As known, electron vacuum polarization by nuclear Coulomb field produces Uehling potential with the range $\hbar/2m_e c$. Similarly, neutrino vacuum polarization by $Z$ boson field produces long range potential $\sim G^2/r^5$ with the large…

High Energy Physics - Phenomenology · Physics 2022-08-31 V. A. Dzuba , V. V. Flambaum , P. Munro-Laylim

The history and phenomenology of hadronic parity nonconservation (PNC) is reviewed. We discuss the current status of the experimental tests and theory. We describe a re-analysis of the asymmetry for polarized proton-proton scattering that,…

Nuclear Theory · Physics 2015-06-15 W. C. Haxton , B. R. Holstein

The parity nonconservation (PNC) effect on the laser-induced 2^3S_1 - 2^1S_0 transition in heavy heliumlike ions is considered. A simple analytical formula for the PNC correction to the cross section is derived for the case, when the…

Atomic Physics · Physics 2014-11-20 V. M. Shabaev , A. V. Volotka , C. Kozhuharov , G. Plunien , Th. Stöhlker

We present a theoretical study of photoexcitation of highly charged ions from their ground states, a process which can be realized at the Gamma Factory at CERN. Special attention is paid to the question of how the excitation rates are…

Atomic Physics · Physics 2022-02-04 Jan Richter , Anna V. Maiorova , Anna V. Viatkina , Dmitry Budker , Andrey Surzhykov

The recombination of a free electron into a bound state of bare, heavy nucleus under simultaneous production of bound-electron--free-positron pair is studied within the framework of relativistic first--order perturbation theory. This…

Atomic Physics · Physics 2009-11-13 A. N. Artemyev , V. M. Shabaev , Th. Stöhlker , A. S. Surzhykov

We use configuration interaction technique to calculate parity non-conservation (PNC) in metastable Xe and Hg [proposal of the experiment in L. Bougas et al, Phys. Rev. Lett. 108, 210801 (2012)]. Both, nuclear spin-independent and nuclear…

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

The atomic parity non-conservation(PNC) experiments has reached accuracies which have important implications for physics beyond the standard model. An optical rotation experiment to measure the atomic PNC of the 3P1(6s6p)--1P1(6s6p) in Yb…

Atomic Physics · Physics 2007-05-23 Angom Dilip Singh , Bhanu Pratap Das

For decades the primary experimental goal in studies of hadronic parity nonconservation (PNC) has been the isolation of the isovector weak nucleon-nucleon interaction, expected to be dominated by long-range pion exchange and enhanced by the…

Nuclear Theory · Physics 2017-10-11 Susan Gardner , W. C. Haxton , Barry R. Holstein

By looking at the parity-nonconserving (PNC) asymmetries at different energies in $\vec{p} p$ scattering, it is in principle possible to determine the PNC $\rho NN$ and $\omega NN$ couplings of a single-meson-exchange model of the PNC $NN$…

Nuclear Theory · Physics 2009-11-11 C. -P. Liu , C. H. Hyun , B. Desplanques

The recombination of an electron with an (initially) hydrogen-like ion is investigated. The effect of the electron-electron interaction is treated rigorously to the first order in the parameter 1/Z and within the screening-potential…

Atomic Physics · Physics 2015-05-19 Vladimir A. Yerokhin , Andrey Surzhykov
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