Oxford Centre for High Energy Density Science (OxCHEDS)

Research group

Research theme

Sub department

About

Related research groups

Observation of a highly directional γ-ray beam from ultrashort, ultraintense laser pulse interactions with solids

Physics of Plasmas AIP Publishing 6:5 (1999) 2150-2156

Authors:

PA Norreys, M Santala, E Clark, M Zepf, I Watts, FN Beg, K Krushelnick, M Tatarakis, AE Dangor, X Fang, P Graham, T McCanny, RP Singhal, KWD Ledingham, A Creswell, DCW Sanderson, J Magill, A Machacek, JS Wark, R Allott, B Kennedy, D Neely

Abstract:

Novel measurements of electromagnetic radiation above 10 MeV are presented for ultra intense laser pulse interactions with solids. A bright, highly directional source of γ rays was observed directly behind the target. The γ rays were produced by bremsstrahlung radiation from energetic electrons generated during the interaction. They were measured using the photoneutron reaction [63Cu(γ,n)62Cu] in copper. The resulting activity was measured by coincidence counting the positron annihilation γ rays which were produced from the decay of Cu62. New measurements of the bremsstrahlung radiation at 1019 W cm−2 are also presented.
More details from the publisher

Observation of a highly directional γ-ray beam from ultrashort, ultraintense laser pulse interactions with solids

Physics of Plasmas AIP Publishing 6:5 (1999) 2150-2156

Authors:

PA Norreys, M Santala, E Clark, M Zepf, I Watts, FN Beg, K Krushelnick, M Tatarakis, AE Dangor, X Fang, P Graham, T McCanny, RP Singhal, KWD Ledingham, A Creswell, DCW Sanderson, J Magill, A Machacek, JS Wark, R Allott, B Kennedy, D Neely

Abstract:

Novel measurements of electromagnetic radiation above 10 MeV are presented for ultra intense laser pulse interactions with solids. A bright, highly directional source of γ rays was observed directly behind the target. The γ rays were produced by bremsstrahlung radiation from energetic electrons generated during the interaction. They were measured using the photoneutron reaction [63Cu(γ,n)62Cu] in copper. The resulting activity was measured by coincidence counting the positron annihilation γ rays which were produced from the decay of Cu62. New measurements of the bremsstrahlung radiation at 1019 W cm−2 are also presented.
More details from the publisher

Generation of focused intensities of 5 × 1019 Wcm−2

Laser and Particle Beams Cambridge University Press (CUP) 17:2 (1999) 341-347

Authors:

CN DANSON, R ALLOTT, G BOOTH, J COLLIER, CB EDWARDS, PS FLINTOFF, SJ HAWKES, MHR HUTCHINSON, C HERNANDEZ-GOMEZ, J LEACH, D NEELY, P NORREYS, M NOTLEY, DA PEPLER, IN ROSS, JA WALCZAK, TB WINSTONE
More details from the publisher

Table-top picosecond sources

Nature Springer Nature 398:6725 (1999) 284-285
More details from the publisher
More details
More details

Studies of the fast ignition route to inertial confinement fusion at the Rutherford Appleton Laboratory

Fusion Engineering and Design Elsevier 44:1-4 (1999) 239-243

Authors:

PA Norreys, M Bakarezos, L Barringer, M Borghesi, FN Beg, AR Bell, M Castro-Colins, D Chambers, AE Dangor, CN Danson, A Djaoui, AP Fews, R Galliard, P Gibbon, L Gizzi, ME Glinsky, BA Hammel, MH Key, P Lee, P Loukakos, AJ MacKinnon, C Meyer, J Meyer-ter-Vehn, S Moustaizis, SG Preston, A Pukhov, SJ Rose, M Tatarakis, JS Wark, O Willi, M Zepf, J Zhang
More details from the publisher