title: Collective deceleration of relativistic electrons precisely in the core of an inertial-fusion target.
abstract: The energy deposition of a relativistic electron beam in a plasma can be managed through turning on or off fast beam-plasma instabilities in desirable regions. This management may enable new ways of realizing the fast-igniter scenario of inertial fusion. Collisional effects alone can decelerate electrons of at most a few MeV within the core of an inertial-fusion target. Beam-excited Langmuir turbulence, however, can decelerate even ultrarelativistic electrons in the core.
authors.affiliation: Department of Astrophysical Sciences, Princeton University, Princeton, New Jersey 08544, USA.
authors.forename: V M
authors.initials: VM
authors.lastname: Malkin
authors.forename: N J
authors.initials: NJ
authors.lastname: Fisch