[Vo]:Re: [Vo]:​Nuclear Excitation by Two-Photon Electron Transition

2017-02-24 Thread H LV
> ​​
> Nuclear Excitation by Two-Photon Electron Transition
>
> A. V. Volotka, A. Surzhykov, S. Trotsenko, G. Plunien, Th. Stöhlker, and
> S. Fritzsche
>
> Phys. Rev. Lett. 117, 243001 – Published 5 December 2016
>
>

​Full paper

https://arxiv.org/pdf/1612.02570.pdf​



> ​
> ABSTRACT
> ​ ( Note: go to site for proper text format)​
>
>
> A new mechanism of nuclear excitation via two-photon electron transitions
> (NETP) is proposed and studied theoretically. As a generic example,
> detailed calculations are performed for the E1E1 1s2s1S0→1s21S0 two-photon
> decay of a He-like 225Ac87+ ion with a resonant excitation of the 3/2+
> nuclear state with an energy of 40.09(5) keV. The probability for such a
> two-photon decay via the nuclear excitation is found to be PNETP=3.5×10−9
> ​
> and, thus, is comparable with other mechanisms, such as nuclear excitation
> by electron transition and by electron capture. The possibility for the
> experimental observation of the proposed mechanism is thoroughly discussed.
>
> ​http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.117.243001​
>
> Harry
>
>


[Vo]:​Nuclear Excitation by Two-Photon Electron Transition

2017-02-24 Thread H LV
​​
Nuclear Excitation by Two-Photon Electron Transition

A. V. Volotka, A. Surzhykov, S. Trotsenko, G. Plunien, Th. Stöhlker, and S.
Fritzsche

Phys. Rev. Lett. 117, 243001 – Published 5 December 2016

​
ABSTRACT
​ ( Note: go to site for proper text format)​


A new mechanism of nuclear excitation via two-photon electron transitions
(NETP) is proposed and studied theoretically. As a generic example,
detailed calculations are performed for the E1E1 1s2s1S0→1s21S0 two-photon
decay of a He-like 225Ac87+ ion with a resonant excitation of the 3/2+
nuclear state with an energy of 40.09(5) keV. The probability for such a
two-photon decay via the nuclear excitation is found to be PNETP=3.5×10−9
​
and, thus, is comparable with other mechanisms, such as nuclear excitation
by electron transition and by electron capture. The possibility for the
experimental observation of the proposed mechanism is thoroughly discussed.

​http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.117.243001​

Harry