The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by <sup>235</sup>U Fission Fragments

Aleksey Iustinovich Mis’kevich; Jin Bo Guo; Yurii Alekseevich Duyzhov; Anton Viktorovich Podkopaev

doi:doi:10.11648/j.ajmp.20190802.11

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The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by ²³⁵U Fission Fragments

Aleksey Iustinovich Mis’kevich, Jin Bo Guo, Yurii Alekseevich Duyzhov, Anton Viktorovich Podkopaev

Published in American Journal of Modern Physics (Volume 8, Issue 2)

Received: 8 April 2019 Accepted: 30 May 2019 Published: 11 July 2019

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Abstract

The work is devoted to the study of spectral, temporal and generation characteristics of plasma generated in dense gas mixtures by the products of neutron nuclear reaction ²³⁵U(n, f). This plasma differs in its properties from the discharge plasma, as has the track structure and low temperature of electrons, and the presence in gas mixtures of electronegative gas can become without electrons. On the basis of such nuclear-excited plasma excimer gas lasers with the nuclear pumping, carrying out direct transformation of nuclear energy to the laser radiation UV range of lengths of waves, can be created. We found out high efficiency of formation of excimer molecules of XeCl* in dense (~ 760 Торр) Ar - Xe - CCl ₄ of gas mixture with low (~ 10¹⁵ mol/cм³) concentration of CCl₄ at the nuclear pumping. Here we report the first clear observation of super-radiance at 352 nm on C-A transition of excimer molecule XeCl^* excited solely by nuclear pumping Ar-Xe-CCl₄ gas mixture at a pressure of 760 Torr with a low concentration of CCl₄ (0.15Torr). The mixture was excited by products of neutron nuclear reaction ²³⁵U(n,f) pumped at a rate of 2kW/cm³. A laser cell with a length of 100cm was placed inside an optical resonator tuned at 352 nm. Super-radiance had a very sharp increase and low neutron threshold (about 2÷4.10¹⁴ neutron/cm^2. s) when we used the tuning resonator at 352 nm wavelength with 10.8% reflection of output and 62.1% reflection of back spherical mirrors, and super-radiance disappeared if the laser output mirror was replaced by a quartz window.

Published in	American Journal of Modern Physics (Volume 8, Issue 2)
DOI	10.11648/j.ajmp.20190802.11
Page(s)	14-17
Creative Commons	This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.
Copyright	Copyright © The Author(s), 2019. Published by Science Publishing Group

Keywords

Excimer, Super-Radiance, Nuclear Pumping, XeCl, Fission Fragments

References

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[18]	Budnik AP, Vakulovskii AS and Sokolov Y, (1995). Second International Conference on “Physics of nuclear-induced plasmas and problems of nuclear-pumped lasers (NPL-94) 26-30 September 1994, Arzamas-16. Arzamas-16, VNIIEF Publ. 1, 90.
[19]	Budnik AP, Dobrovol’skaya IV, (1995). Second International Conference on “Physics of nuclear-induced plasmas and problems of nuclear-pumped lasers (NPL-94) 26-30 September 1994, Arzamas-16 Arzamas-16, VNIIEF Publ. 1, 97.
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Aleksey Iustinovich Mis’kevich, Jin Bo Guo, Yurii Alekseevich Duyzhov, Anton Viktorovich Podkopaev. (2019). The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments. American Journal of Modern Physics, 8(2), 14-17. https://doi.org/10.11648/j.ajmp.20190802.11

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Aleksey Iustinovich Mis’kevich; Jin Bo Guo; Yurii Alekseevich Duyzhov; Anton Viktorovich Podkopaev. The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments. Am. J. Mod. Phys. 2019, 8(2), 14-17. doi: 10.11648/j.ajmp.20190802.11

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AMA Style

Aleksey Iustinovich Mis’kevich, Jin Bo Guo, Yurii Alekseevich Duyzhov, Anton Viktorovich Podkopaev. The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments. Am J Mod Phys. 2019;8(2):14-17. doi: 10.11648/j.ajmp.20190802.11

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@article{10.11648/j.ajmp.20190802.11,
  author = {Aleksey Iustinovich Mis’kevich and Jin Bo Guo and Yurii Alekseevich Duyzhov and Anton Viktorovich Podkopaev},
  title = {The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments},
  journal = {American Journal of Modern Physics},
  volume = {8},
  number = {2},
  pages = {14-17},
  doi = {10.11648/j.ajmp.20190802.11},
  url = {https://doi.org/10.11648/j.ajmp.20190802.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmp.20190802.11},
  abstract = {The work is devoted to the study of spectral, temporal and generation characteristics of plasma generated in dense gas mixtures by the products of neutron nuclear reaction 235U(n, f). This plasma differs in its properties from the discharge plasma, as has the track structure and low temperature of electrons, and the presence in gas mixtures of electronegative gas can become without electrons. On the basis of such nuclear-excited plasma excimer gas lasers with the nuclear pumping, carrying out direct transformation of nuclear energy to the laser radiation UV range of lengths of waves, can be created. We found out high efficiency of formation of excimer molecules of XeCl* in dense (~ 760 Торр) Ar - Xe - CCl 4 of gas mixture with low (~ 1015 mol/cм3) concentration of CCl4 at the nuclear pumping. Here we report the first clear observation of super-radiance at 352 nm on C-A transition of excimer molecule XeCl* excited solely by nuclear pumping Ar-Xe-CCl4 gas mixture at a pressure of 760 Torr with a low concentration of CCl4 (0.15Torr). The mixture was excited by products of neutron nuclear reaction 235U(n,f) pumped at a rate of 2kW/cm3. A laser cell with a length of 100cm was placed inside an optical resonator tuned at 352 nm. Super-radiance had a very sharp increase and low neutron threshold (about 2÷4.1014 neutron/cm2. s) when we used the tuning resonator at 352 nm wavelength with 10.8% reflection of output and 62.1% reflection of back spherical mirrors, and super-radiance disappeared if the laser output mirror was replaced by a quartz window.},
 year = {2019}
}

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TY  - JOUR
T1  - The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments
AU  - Aleksey Iustinovich Mis’kevich
AU  - Jin Bo Guo
AU  - Yurii Alekseevich Duyzhov
AU  - Anton Viktorovich Podkopaev
Y1  - 2019/07/11
PY  - 2019
N1  - https://doi.org/10.11648/j.ajmp.20190802.11
DO  - 10.11648/j.ajmp.20190802.11
T2  - American Journal of Modern Physics
JF  - American Journal of Modern Physics
JO  - American Journal of Modern Physics
SP  - 14
EP  - 17
PB  - Science Publishing Group
SN  - 2326-8891
UR  - https://doi.org/10.11648/j.ajmp.20190802.11
AB  - The work is devoted to the study of spectral, temporal and generation characteristics of plasma generated in dense gas mixtures by the products of neutron nuclear reaction 235U(n, f). This plasma differs in its properties from the discharge plasma, as has the track structure and low temperature of electrons, and the presence in gas mixtures of electronegative gas can become without electrons. On the basis of such nuclear-excited plasma excimer gas lasers with the nuclear pumping, carrying out direct transformation of nuclear energy to the laser radiation UV range of lengths of waves, can be created. We found out high efficiency of formation of excimer molecules of XeCl* in dense (~ 760 Торр) Ar - Xe - CCl 4 of gas mixture with low (~ 1015 mol/cм3) concentration of CCl4 at the nuclear pumping. Here we report the first clear observation of super-radiance at 352 nm on C-A transition of excimer molecule XeCl* excited solely by nuclear pumping Ar-Xe-CCl4 gas mixture at a pressure of 760 Torr with a low concentration of CCl4 (0.15Torr). The mixture was excited by products of neutron nuclear reaction 235U(n,f) pumped at a rate of 2kW/cm3. A laser cell with a length of 100cm was placed inside an optical resonator tuned at 352 nm. Super-radiance had a very sharp increase and low neutron threshold (about 2÷4.1014 neutron/cm2. s) when we used the tuning resonator at 352 nm wavelength with 10.8% reflection of output and 62.1% reflection of back spherical mirrors, and super-radiance disappeared if the laser output mirror was replaced by a quartz window.
VL  - 8
IS  - 2
ER  -

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Author Information

Aleksey Iustinovich Mis’kevich

Department of Laser Physics, National Research Nuclear University MEPHI, Moscow, Russia
Jin Bo Guo

School of Physical Science and Technology, Tianjin Polytechnic University, Tianjin, PR of China
Yurii Alekseevich Duyzhov

Department of Cosmic Energy System, Institute of Physics and Power Engineering, Obninsk, Russia
Anton Viktorovich Podkopaev

Department of Cosmic Energy System, Institute of Physics and Power Engineering, Obninsk, Russia

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APA Style

Aleksey Iustinovich Mis’kevich, Jin Bo Guo, Yurii Alekseevich Duyzhov, Anton Viktorovich Podkopaev. (2019). The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments. American Journal of Modern Physics, 8(2), 14-17. https://doi.org/10.11648/j.ajmp.20190802.11

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ACS Style

Aleksey Iustinovich Mis’kevich; Jin Bo Guo; Yurii Alekseevich Duyzhov; Anton Viktorovich Podkopaev. The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments. Am. J. Mod. Phys. 2019, 8(2), 14-17. doi: 10.11648/j.ajmp.20190802.11

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AMA Style

Aleksey Iustinovich Mis’kevich, Jin Bo Guo, Yurii Alekseevich Duyzhov, Anton Viktorovich Podkopaev. The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments. Am J Mod Phys. 2019;8(2):14-17. doi: 10.11648/j.ajmp.20190802.11

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@article{10.11648/j.ajmp.20190802.11,
  author = {Aleksey Iustinovich Mis’kevich and Jin Bo Guo and Yurii Alekseevich Duyzhov and Anton Viktorovich Podkopaev},
  title = {The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments},
  journal = {American Journal of Modern Physics},
  volume = {8},
  number = {2},
  pages = {14-17},
  doi = {10.11648/j.ajmp.20190802.11},
  url = {https://doi.org/10.11648/j.ajmp.20190802.11},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajmp.20190802.11},
  abstract = {The work is devoted to the study of spectral, temporal and generation characteristics of plasma generated in dense gas mixtures by the products of neutron nuclear reaction 235U(n, f). This plasma differs in its properties from the discharge plasma, as has the track structure and low temperature of electrons, and the presence in gas mixtures of electronegative gas can become without electrons. On the basis of such nuclear-excited plasma excimer gas lasers with the nuclear pumping, carrying out direct transformation of nuclear energy to the laser radiation UV range of lengths of waves, can be created. We found out high efficiency of formation of excimer molecules of XeCl* in dense (~ 760 Торр) Ar - Xe - CCl 4 of gas mixture with low (~ 1015 mol/cм3) concentration of CCl4 at the nuclear pumping. Here we report the first clear observation of super-radiance at 352 nm on C-A transition of excimer molecule XeCl* excited solely by nuclear pumping Ar-Xe-CCl4 gas mixture at a pressure of 760 Torr with a low concentration of CCl4 (0.15Torr). The mixture was excited by products of neutron nuclear reaction 235U(n,f) pumped at a rate of 2kW/cm3. A laser cell with a length of 100cm was placed inside an optical resonator tuned at 352 nm. Super-radiance had a very sharp increase and low neutron threshold (about 2÷4.1014 neutron/cm2. s) when we used the tuning resonator at 352 nm wavelength with 10.8% reflection of output and 62.1% reflection of back spherical mirrors, and super-radiance disappeared if the laser output mirror was replaced by a quartz window.},
 year = {2019}
}

Copy | Download

TY  - JOUR
T1  - The Effect of Super-Radiance on the C-A Transition of the Excimer Molecule XeCl* at 352 nm Excited Only by 235U Fission Fragments
AU  - Aleksey Iustinovich Mis’kevich
AU  - Jin Bo Guo
AU  - Yurii Alekseevich Duyzhov
AU  - Anton Viktorovich Podkopaev
Y1  - 2019/07/11
PY  - 2019
N1  - https://doi.org/10.11648/j.ajmp.20190802.11
DO  - 10.11648/j.ajmp.20190802.11
T2  - American Journal of Modern Physics
JF  - American Journal of Modern Physics
JO  - American Journal of Modern Physics
SP  - 14
EP  - 17
PB  - Science Publishing Group
SN  - 2326-8891
UR  - https://doi.org/10.11648/j.ajmp.20190802.11
AB  - The work is devoted to the study of spectral, temporal and generation characteristics of plasma generated in dense gas mixtures by the products of neutron nuclear reaction 235U(n, f). This plasma differs in its properties from the discharge plasma, as has the track structure and low temperature of electrons, and the presence in gas mixtures of electronegative gas can become without electrons. On the basis of such nuclear-excited plasma excimer gas lasers with the nuclear pumping, carrying out direct transformation of nuclear energy to the laser radiation UV range of lengths of waves, can be created. We found out high efficiency of formation of excimer molecules of XeCl* in dense (~ 760 Торр) Ar - Xe - CCl 4 of gas mixture with low (~ 1015 mol/cм3) concentration of CCl4 at the nuclear pumping. Here we report the first clear observation of super-radiance at 352 nm on C-A transition of excimer molecule XeCl* excited solely by nuclear pumping Ar-Xe-CCl4 gas mixture at a pressure of 760 Torr with a low concentration of CCl4 (0.15Torr). The mixture was excited by products of neutron nuclear reaction 235U(n,f) pumped at a rate of 2kW/cm3. A laser cell with a length of 100cm was placed inside an optical resonator tuned at 352 nm. Super-radiance had a very sharp increase and low neutron threshold (about 2÷4.1014 neutron/cm2. s) when we used the tuning resonator at 352 nm wavelength with 10.8% reflection of output and 62.1% reflection of back spherical mirrors, and super-radiance disappeared if the laser output mirror was replaced by a quartz window.
VL  - 8
IS  - 2
ER  -

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