NDLI: Search for the low energy nuclear excitation with a femtosecond plasma: An overview and perspectives

Content Provider	IEEE Xplore Digital Library
Author	Savel'ev, A.
Copyright Year	2013
Description	Author affiliation: Int. Laser Center, Lomonosov Moscow State Univ., Moscow, Russia (Savel'ev, A.)
Abstract	Summary form only given. Low energy nuclear excitation in plasma has been attracting researches for almost 40 years. Despite of numerous attempts and well-established theoretical base even the feasibility of such a process has not been firmly confirmed yet. Femtosecond plasma generates bright flashes of x-rays and electrons and seems the very promising approach, but the data obtained up to now was very noisy and hardly reliable. This paper starts with an overview of the data available, including our recent results on detection of electrons due to Internal Conversion (IC) from the excited by femtosecond plasma emission $^{57}Fe$ target [1]. The excitation cross-section deduced in this experiment exceeds the theoretical values by a few orders. Hence, further experimental checks and/or theory extension and revision are needed. The second part of the paper discusses the prospects and alternative approaches to the low energy nuclear excitation. In particular, we are considering excitation due to the ionized electron motion under femtosecond laser field impact. Being in analogy to the well-known high order harmonics generation process, nuclear excitation could come from the scattering of the ionized electron upon its return to the parent nuclei. Here excitation due to inverse IC, inelastic scattering or even photoexcitation by the recombination emission might happen. Possible nuclei with isomeric levels and experimental schemes will be outlined.
Sponsorship	Eur. Phys. Soc.
Starting Page	1
Ending Page	1
File Size	134661
Page Count	1
File Format	PDF
e-ISBN	9781479905942
DOI	10.1109/CLEOE-IQEC.2013.6801941
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-12
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Integrated circuits Laser theory Scattering Laser excitation Plasmas Ultrafast electronics
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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