Internal-conversion process in superintense ultrashort x-ray pulses
Source: Phys. Rev. A 81, 013421 (2010); doi:10.1103/PhysRevA.81.013421
Published 28 January 2010
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Dániel Kis
Budapest University of Technology and Economics, Institute of Nuclear Technics, Department of Nuclear Energy, M
egyetem rkpt. 9, H-1111 Budapest, Hungary
Péter Kálmán, Tamás Keszthelyi, and János Szívós
Budapest University of Technology and Economics, Institute of Physics, Department of Theoretical Physics, Budafoki út 8. F. I. I. 10, H-1521 Budapest, Hungary
Budapest University of Technology and Economics, Institute of Nuclear Technics, Department of Nuclear Energy, M
egyetem rkpt. 9, H-1111 Budapest, HungaryPéter Kálmán, Tamás Keszthelyi, and János Szívós
Budapest University of Technology and Economics, Institute of Physics, Department of Theoretical Physics, Budafoki út 8. F. I. I. 10, H-1521 Budapest, Hungary
The electron-nucleus interaction in a super-intense few-cycle x-ray pulse is investigated. The super-intense few-cycle x-ray pulse-induced internal conversion (IC) process is discussed in detail. The x-ray laser-pulse induced IC coefficient is calculated, and in particular, it is derived in the case of a pulse of Gaussian shape and for a bound-free electron transition. The IC coefficient of the IC process induced by a super-intense few-cycle soft-x-ray laser pulse in the case of the 99mTc isomer is determined numerically. The results obtained for the IC coefficient show significant carrier angular frequency, carrier-envelope phase, and pulse-length dependencies. The infinite pulse-length limit and experimental aspects are also discussed.
©2010 The American Physical Society
| History: | Received 1 October 2009; published 28 January 2010 |
| Permalink: |
http://link.aps.org/abstract/PRA/v81/e013421 |
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