{"corpus_id":119833078,"paper_sha":"0892c724e6dcd8769f017d5d482d9e6b38105f55","doi":"10.1088/1367-2630/16/2/023008","arxiv_id":null,"pmid":null,"pmcid":null,"mag_id":1982213180,"dblp_id":null,"acl_id":null,"title":"Experimental observation of transverse modulations in laser-driven proton beams","year":2014,"publication_date":"2014-02-05","venue":"","journal":{"name":"New Journal of Physics","pages":null,"volume":"16"},"journal_issn":null,"journal_title":null,"publication_types":[],"pubmed_pub_types":null,"s2_fields_of_study":["Physics"],"reference_count":52,"citation_count":37,"influential_citation_count":1,"is_open_access":true,"arxiv_categories":null,"arxiv_license":null,"arxiv_journal_ref":null,"mesh_headings":null,"chemicals":null,"comments_corrections":null,"source_flags":1,"s2_open_access_pdf_url":"https://iopscience.iop.org/article/10.1088/1367-2630/16/2/023008/pdf","s2_open_access_landing_url":"https://www.semanticscholar.org/paper/0892c724e6dcd8769f017d5d482d9e6b38105f55","s2_open_access_license":"CCBY","s2_open_access_status":"GOLD","pmc_open_access_pdf_url":null,"pmc_open_access_landing_url":null,"pmc_open_access_license":null,"pmc_open_access_status":null,"unpaywall_open_access_pdf_url":null,"unpaywall_open_access_landing_url":null,"unpaywall_open_access_license":null,"unpaywall_open_access_status":null,"abstract":"We report on the experimental observation of transverse modulations in proton beams accelerated from micrometer thick targets which were irradiated with ultra-short (30 fs) laser pulses of a peak intensity of 5 × 1020 W cm−2. The net-like proton beam modulations were recorded using radiochromic film and the data suggest a dependence on laser energy and target thickness for their onset and strength. Numerical simulations suggest that intensity-dependent instabilities in the laser-produced plasma at the target front side lead to electron beam break-up or filamentation, then serving as the source of the observed proton beam modulations.","claims":[{"public_id":"cl_00a1000a0543490dcbf2ba956e90b4ce","status":"active","text":"Numerical simulations indicate that intensity-dependent instabilities in the laser-produced plasma at the target front side lead to electron beam break-up or filamentation, which serve as the source of the observed proton beam modulations.","confidence":0.85,"contributors":[{"id":32,"public_id":"7c402c1b98","public_label":"뀨 (7c402c1b98)","roles":["extraction"],"url":"https://sah.borca.ai/u/7c402c1b98"},{"id":1,"public_id":"12632b8b5f","public_label":"Anonymous 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