{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,18]],"date-time":"2026-01-18T23:19:31Z","timestamp":1768778371628,"version":"3.49.0"},"reference-count":30,"publisher":"AIP Publishing","issue":"6","content-domain":{"domain":["pubs.aip.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2009,6,1]]},"abstract":"<jats:p>Fast electron energy spectra have been measured for a range of intensities between 1018 and 1021Wcm\u22122 and for different target materials using electron spectrometers. Several experimental campaigns were conducted on petawatt laser facilities at the Rutherford Appleton Laboratory and Osaka University, where the pulse duration was varied from 0.5to5ps relevant to upcoming fast ignition integral experiments. The incident angle was also changed from normal incidence to 40\u00b0 in p-polarized. The results confirm a reduction from the ponderomotive potential energy on fast electrons at the higher intensities under the wide range of different irradiation conditions.<\/jats:p>","DOI":"10.1063\/1.3155086","type":"journal-article","created":{"date-parts":[[2009,6,18]],"date-time":"2009-06-18T22:23:46Z","timestamp":1245363826000},"update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":41,"title":["Measurements of fast electron scaling generated by petawatt laser systems"],"prefix":"10.1063","volume":"16","author":[{"given":"Tsuyoshi","family":"Tanimoto","sequence":"first","affiliation":[{"name":"Osaka University 1 Graduate School of Engineering and Institute of Laser Engineering, , 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan"}]},{"given":"H.","family":"Habara","sequence":"additional","affiliation":[{"name":"Osaka University 1 Graduate School of Engineering and Institute of Laser Engineering, , 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan"}]},{"given":"R.","family":"Kodama","sequence":"additional","affiliation":[{"name":"Osaka University 1 Graduate School of Engineering and Institute of Laser Engineering, , 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan"}]},{"given":"M.","family":"Nakatsutsumi","sequence":"additional","affiliation":[{"name":"Osaka University 1 Graduate School of Engineering and Institute of Laser Engineering, , 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan"}]},{"given":"Kazuo A.","family":"Tanaka","sequence":"additional","affiliation":[{"name":"Osaka University 1 Graduate School of Engineering and Institute of Laser Engineering, , 2-1 Yamada-oka, Suita, Osaka 565-0871, Japan"}]},{"given":"K. L.","family":"Lancaster","sequence":"additional","affiliation":[{"name":"STFC Rutherford Appleton Laboratory 2 , Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0QX, United Kingdom"}]},{"given":"J. S.","family":"Green","sequence":"additional","affiliation":[{"name":"STFC Rutherford Appleton Laboratory 2 , Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0QX, United Kingdom"}]},{"given":"R. H. H.","family":"Scott","sequence":"additional","affiliation":[{"name":"STFC Rutherford Appleton Laboratory 2 , Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0QX, United Kingdom"},{"name":"Imperial College London 3 Department of Physics, Blackett Laboratory, , Prince Consort Road, London SW7 2BZ, United Kingdom"}]},{"given":"M.","family":"Sherlock","sequence":"additional","affiliation":[{"name":"STFC Rutherford Appleton Laboratory 2 , Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0QX, United Kingdom"},{"name":"Imperial College London 3 Department of Physics, Blackett Laboratory, , Prince Consort Road, London SW7 2BZ, United Kingdom"}]},{"given":"Peter A.","family":"Norreys","sequence":"additional","affiliation":[{"name":"STFC Rutherford Appleton Laboratory 2 , Harwell Science and Innovation Campus, Didcot, Oxfordshire OX11 0QX, United Kingdom"},{"name":"Imperial College London 3 Department of Physics, Blackett Laboratory, , Prince Consort Road, London SW7 2BZ, United Kingdom"}]},{"given":"R. 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