{"id":41361,"date":"2025-05-05T05:37:13","date_gmt":"2025-05-05T05:37:13","guid":{"rendered":"https:\/\/www.clpu.es\/?post_type=publications&#038;p=41361"},"modified":"2025-05-05T05:37:13","modified_gmt":"2025-05-05T05:37:13","slug":"laser-initiated-p-11b-fusion-reactions-in-petawatt-high-repetition-rate-laser-facilities","status":"publish","type":"publications","link":"https:\/\/www.clpu.es\/en\/publications\/laser-initiated-p-11b-fusion-reactions-in-petawatt-high-repetition-rate-laser-facilities\/","title":{"rendered":"Laser-initiated p\u201311B fusion reactions in petawatt high-repetition-rate laser facilities"},"content":{"rendered":"<p>Driving of the nuclear fusion reaction\u00a0<em>p<\/em>\u00a0+\u00a0<sup>11<\/sup>B \u2192 3<em>\u03b1<\/em>\u00a0+ 8.7\u00a0MeV under laboratory conditions by interaction between high-power laser pulses and matter has become a popular field of research, owing to its numerous potential applications: as an alternative to deuterium\u2013tritium for fusion energy production, astrophysics studies, and alpha-particle generation for medical treatment. One possible scheme for laser-driven\u00a0<em>p<\/em>\u2013<sup>11<\/sup>B reactions is to direct a beam of laser-accelerated protons onto a boron (B) sample (the so-called \u201cpitcher-catcher\u201d scheme). This technique has been successfully implemented on large high-energy lasers, yielding hundreds of joules per shot at low repetition. We present here a complementary approach, exploiting the high repetition rate of the VEGA III petawatt laser at CLPU (Spain), aiming at accumulating results from many interactions at much lower energy, to provide better control of the parameters and the statistics of the measurements. Despite a moderate energy per pulse, our experiment allowed exploration of the laser-driven fusion process with tens (up to hundreds) of laser shots. The experiment provided a clear signature of the reactions involved and of the fusion products, accumulated over many shots, leading to an improved optimization of the diagnostics for experimental campaigns of this type. In this paper, we discuss the effectiveness of laser-driven\u00a0<em>p<\/em>\u2013<sup>11<\/sup>B fusion in the pitcher\u2013catcher scheme, at a high repetition rate, addressing the challenges of this experimental scheme and highlighting its critical aspects. Our proposed methodology allows evaluation of the performance of this scheme for laser-driven alpha particle production and can be adapted to high-repetition-rate laser facilities with higher energy and intensity.<\/p>\n","protected":false},"author":1,"featured_media":0,"template":"","meta":{"_acf_changed":false,"inline_featured_image":false},"a_os":[160],"class_list":["post-41361","publications","type-publications","status-publish","hentry","a_os-160","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Laser-initiated p\u201311B fusion reactions in petawatt high-repetition-rate laser facilities - CLPU<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.clpu.es\/publications\/laser-initiated-p-11b-fusion-reactions-in-petawatt-high-repetition-rate-laser-facilities\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Laser-initiated p\u201311B fusion reactions in petawatt high-repetition-rate laser facilities - CLPU\" \/>\n<meta property=\"og:description\" content=\"Driving of the nuclear fusion reaction\u00a0p\u00a0+\u00a011B \u2192 3\u03b1\u00a0+ 8.7\u00a0MeV under laboratory conditions by interaction between high-power laser pulses and matter has become a popular field of research, owing to its numerous potential applications: as an alternative to deuterium\u2013tritium for fusion energy production, astrophysics studies, and alpha-particle generation for medical treatment. 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