title: High-current, relativistic electron-beam transport in metals and the role of magnetic collimation.
abstract: High-resolution coherent transition radiation (CTR) imaging diagnoses electrons accelerated in laser-solid interactions with intensities of approximately 10;{19} W/cm;{2}. The CTR images indicate electron-beam filamentation and annular propagation. The beam temperature and half-angle divergence are inferred to be approximately 1.4 MeV and approximately 16 degrees , respectively. Three-dimensional hybrid-particle-in-cell code simulations reproduce the details of the CTR images assuming an initial half-angle divergence of approximately 56 degrees . Self-generated resistive magnetic fields are responsible for the difference between the initial and measured divergence.
authors: University of Rochester, Rochester, NY 14623-1299, USA.
authors: M
authors: M
authors: Storm
authors: A A
authors: AA
authors: Solodov
authors: J F
authors: JF
authors: Myatt
authors: D D
authors: DD
authors: Meyerhofer
authors: C
authors: C
authors: Stoeckl
authors: C
authors: C
authors: Mileham
authors: R
authors: R
authors: Betti
authors: P M
authors: PM
authors: Nilson
authors: T C
authors: TC
authors: Sangster
authors: W
authors: W
authors: Theobald
authors: Chunlei
authors: C
authors: Guo