Volume 142, Number 1, April 2023
|Number of page(s)||5|
|Section||Atomic, molecular and optical physics|
|Published online||05 April 2023|
Theoretical study of attosecond laser interference on radioactive decay of cesium-137
1 Shenyang Polytechnic College - Shenyang 110033, China
2 China Institute of Atomic Energy - Beijing 102413, China
(b) E-mail: email@example.com (corresponding author)
(c) E-mail: firstname.lastname@example.org (corresponding author)
Received: 23 January 2023
Accepted: 24 March 2023
At present, the research on reducing radioactive contamination has special significance. Professor Sugihara found that the fragments in the plasma could reduce cesium-137 radiation activity. In this paper, a well-established method based on direct numerical solution of the three-dimensional Schrödinger equation is applied to study the interaction between the cesium-137 nucleus and the plasma. It is found that the plasma is completely formed in the first three optical periods of 800 nm laser. From the fourth optical period, the electrons that generated from the decay of cesium-137 become the main source of electrons in the plasma. In order to maintain the stability of the plasma, cesium-137 has to accelerate its decay within a certain time. The intrinsic mechanism of the rapid reduction of the radiation activity of cesium-137 was explained by theoretical calculation for the first time.
© 2023 EPLA
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