| Zugriffsnummer | 37778 |
| Dokumenttyp | Zeitschriftenartikel |
| Sprache | Englisch |
| Titel | Nuclear Excitation by Two-Photon Electron Transition |
| Autor(in); Institution |
Volotka, Andrey; Helmholtz-Institut, Jena, GERMANY
Surzhykov, Andrey; FPM, Fundamentale Physik für Metrologie, PTB-Braunschweig
Trotsenko, Sergey; Helmholtz-Institut, Jena, GERMANY
Plunien, Guenter; Technische Universität Dresden, Institut für Theoretische Physik, Dresden, GERMANY
Stöhlker, Thomas; Helmholtz-Institut, Jena, GERMANY
Fritzsche, Stephan; Helmholtz-Institut, Jena, GERMANY
|
| Quelle/Jahr | Physical Review Letters: 117 (2016), 24, 243001 - 243005 |
| ISSN | 0031-9007 (PRINT) ; 1079-7114 (ONLINE) |
| DOI | |
| Verlag | Melville, NY: AIP |
| Freie Schlagworte | nuclear excitation ; two-photon decay ; nuclear clocks |
| Zusammenfassung | 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 225 Ac87+ 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 ΡNETP =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. |
