In-Target Proton−Boron Nuclear Fusion Using a PW-Class Laser

Daniele Margarone; Julien Bonvalet; Lorenzo Giuffrida; Alessio Morace; Vasiliki Kantarelou; Marco Tosca; Didier Raffestin; Philippe Nicolai; Antonino Picciotto; Yuki Abe; Yasunobu Arikawa; Shinsuke Fujioka; Yuji Fukuda; Yasuhiro Kuramitsu; Hideaki Habara; Dimitri Batani

doi:10.3390/app12031444

In-Target Proton−Boron Nuclear Fusion Using a PW-Class Laser

Daniele Margarone^*, Julien Bonvalet, Lorenzo Giuffrida, Alessio Morace, Vasiliki Kantarelou, Marco Tosca, Didier Raffestin, Philippe Nicolai, Antonino Picciotto, Yuki Abe, Yasunobu Arikawa, Shinsuke Fujioka, Yuji Fukuda, Yasuhiro Kuramitsu, Hideaki Habara, Dimitri Batani

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

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Abstract

Nuclear reactions between protons and boron-11 nuclei (p−B fusion) that were used to yield energetic α-particles were initiated in a plasma that was generated by the interaction between a PW-class laser operating at relativistic intensities (~3 × 1019 W/cm2) and a 0.2-mm thick boron nitride (BN) target. A high p−B fusion reaction rate and hence, a large α-particle flux was generated and measured, thanks to a proton stream accelerated at the target’s front surface. This was the first proof of principle experiment to demonstrate the efficient generation of α-particles (~1010/sr) through p−B fusion reactions using a PW-class laser in the “in-target” geometry.

Original language	English
Article number	e1444
Number of pages	7
Journal	Applied Sciences
Volume	12
Issue number	3
Early online date	28 Jan 2022
DOIs	https://doi.org/10.3390/app12031444
Publication status	Early online date - 28 Jan 2022

Keywords

proton–boron fusion
laser–plasma acceleration
α-particle beam

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10.3390/app12031444Licence: CC BY

In-Target Proton–Boron Nuclear Fusion Using a PW-Class Laser
© 2022 The Authors. This is an open access article published under a Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.
Final published version, 2.35 MBLicence: CC BY

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Margarone, D., Bonvalet, J., Giuffrida, L., Morace, A., Kantarelou, V., Tosca, M., Raffestin, D., Nicolai, P., Picciotto, A., Abe, Y., Arikawa, Y., Fujioka, S., Fukuda, Y., Kuramitsu, Y., Habara, H., & Batani, D. (2022). In-Target Proton−Boron Nuclear Fusion Using a PW-Class Laser. Applied Sciences, 12(3), Article e1444. Advance online publication. https://doi.org/10.3390/app12031444

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abstract = "Nuclear reactions between protons and boron-11 nuclei (p−B fusion) that were used to yield energetic α-particles were initiated in a plasma that was generated by the interaction between a PW-class laser operating at relativistic intensities (~3 × 1019 W/cm2) and a 0.2-mm thick boron nitride (BN) target. A high p−B fusion reaction rate and hence, a large α-particle flux was generated and measured, thanks to a proton stream accelerated at the target{\textquoteright}s front surface. This was the first proof of principle experiment to demonstrate the efficient generation of α-particles (~1010/sr) through p−B fusion reactions using a PW-class laser in the “in-target” geometry.",

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AU - Margarone, Daniele

AU - Bonvalet, Julien

AU - Giuffrida, Lorenzo

AU - Morace, Alessio

AU - Kantarelou, Vasiliki

AU - Tosca, Marco

AU - Raffestin, Didier

AU - Nicolai, Philippe

AU - Picciotto, Antonino

AU - Abe, Yuki

AU - Arikawa, Yasunobu

AU - Fujioka, Shinsuke

AU - Fukuda, Yuji

AU - Kuramitsu, Yasuhiro

AU - Habara, Hideaki

AU - Batani, Dimitri

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N2 - Nuclear reactions between protons and boron-11 nuclei (p−B fusion) that were used to yield energetic α-particles were initiated in a plasma that was generated by the interaction between a PW-class laser operating at relativistic intensities (~3 × 1019 W/cm2) and a 0.2-mm thick boron nitride (BN) target. A high p−B fusion reaction rate and hence, a large α-particle flux was generated and measured, thanks to a proton stream accelerated at the target’s front surface. This was the first proof of principle experiment to demonstrate the efficient generation of α-particles (~1010/sr) through p−B fusion reactions using a PW-class laser in the “in-target” geometry.

AB - Nuclear reactions between protons and boron-11 nuclei (p−B fusion) that were used to yield energetic α-particles were initiated in a plasma that was generated by the interaction between a PW-class laser operating at relativistic intensities (~3 × 1019 W/cm2) and a 0.2-mm thick boron nitride (BN) target. A high p−B fusion reaction rate and hence, a large α-particle flux was generated and measured, thanks to a proton stream accelerated at the target’s front surface. This was the first proof of principle experiment to demonstrate the efficient generation of α-particles (~1010/sr) through p−B fusion reactions using a PW-class laser in the “in-target” geometry.

KW - proton–boron fusion

KW - laser–plasma acceleration

KW - α-particle beam

U2 - 10.3390/app12031444

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VL - 12

JO - Applied Sciences

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M1 - e1444

ER -

In-Target Proton−Boron Nuclear Fusion Using a PW-Class Laser

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