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In-Target Proton–Boron Nuclear Fusion Using a PW-Class Laser
| Content Provider | MDPI |
|---|---|
| Author | Margarone, Daniele Bonvalet, Julien Giuffrida, Lorenzo Morace, Alessio Kantarelou, Vasiliki Tosca, Marco Raffestin, Didier Nicolai, Philippe Picciotto, Antonino Abe, Yuki Arikawa, Yasunobu Fujioka, Shinsuke Fukuda, Yuji Kuramitsu, Yasuhiro Habara, Hideaki Batani, Dimitri |
| Copyright Year | 2022 |
| Description | 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 × $10^{19}$ $W/cm^{2}$) 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 $(~10^{10}$/sr) through p–B fusion reactions using a PW-class laser in the “in-target” geometry. |
| Starting Page | 1444 |
| e-ISSN | 20763417 |
| DOI | 10.3390/app12031444 |
| Journal | Applied Sciences |
| Issue Number | 3 |
| Volume Number | 12 |
| Language | English |
| Publisher | MDPI |
| Publisher Date | 2022-01-28 |
| Access Restriction | Open |
| Subject Keyword | Applied Sciences Proton–boron Fusion Laser–plasma Acceleration Α-particle Beam |
| Content Type | Text |
| Resource Type | Article |
