Extreme brightness laser-based neutron pulses as a pathway for investigating nucleosynthesis in the laboratory

Chen S. N.; Negoita F.; Spohr K.; d’Humières E.; Pomerantz I.; Fuchs J.

doi:10.1063/1.5081666

Volume 4 Issue 5

Sep. 2019

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Chen S. N., Negoita F., Spohr K., d’Humières E., Pomerantz I., Fuchs J.. Extreme brightness laser-based neutron pulses as a pathway for investigating nucleosynthesis in the laboratory[J]. Matter and Radiation at Extremes, 2019, 4(5): 054402. doi: 10.1063/1.5081666

Citation:

Chen S. N., Negoita F., Spohr K., d’Humières E., Pomerantz I., Fuchs J.. Extreme brightness laser-based neutron pulses as a pathway for investigating nucleosynthesis in the laboratory[J]. Matter and Radiation at Extremes, 2019, 4(5): 054402. doi: 10.1063/1.5081666

Citation:

Chen S. N., Negoita F., Spohr K., d’Humières E., Pomerantz I., Fuchs J.. Extreme brightness laser-based neutron pulses as a pathway for investigating nucleosynthesis in the laboratory[J]. Matter and Radiation at Extremes, 2019, 4(5): 054402. doi: 10.1063/1.5081666

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Extreme brightness laser-based neutron pulses as a pathway for investigating nucleosynthesis in the laboratory

doi: 10.1063/1.5081666

1.
ELI-NP, “Horia Hulubei” National Institute for Physics and Nuclear Engineering, 30 Reactorului Street, RO-077125 Bucharest-Magurele, Romania
2.
Institute of Applied Physics, 46 Ulyanov Street, 603950 Nizhny Novgorod, Russia
3.
Université Bordeaux, CNRS, CEA, CELIA, UMR 5107, F-33405 Talence, France
4.
School of Physics and Astronomy, Tel-Aviv University, Tel-Aviv 69978, Israel
5.
LULI–CNRS, Ecole Polytechnique, CEA; Université Paris-Saclay; UPMC Université Paris 06; Sorbonne Université, F-91128 Palaiseau cedex, France

Received Date: 2018-11-15
Accepted Date: 2019-06-10
Publish Date: 2019-09-15

Abstract

Abstract

With the much-anticipated multi-petawatt (PW) laser facilities that are coming online, neutron sources with extreme fluxes could soon be in reach. Such sources would rely on spallation by protons accelerated by the high-intensity lasers. These high neutron fluxes would make possible not only direct measurements of neutron capture and β-decay rates related to the r-process of nucleosynthesis of heavy elements, but also such nuclear measurements in a hot plasma environment, which would be beneficial for s-process investigations in astrophysically relevant conditions. This could, in turn, finally allow possible reconciliation of the observed element abundances in stars and those derived from simulations, which at present show large discrepancies. Here, we review a possible pathway to reach unprecedented neutron fluxes using multi-PW lasers, as well as strategies to perform measurements to investigate the r- and s-processes of nucleosynthesis of heavy elements in cold matter, as well as in a hot plasma environment.

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References(107)

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