Physics – Atomic Physics
Scientific paper
2008-09-27
Physics
Atomic Physics
20 pages, 4 pages
Scientific paper
10.1103/PhysRevA.78.062711
The time-dependent Dirac equation was solved for zero-impact-parameter bare U-U collisions in the monopole approximation using a mapped Fourier grid matrix representation. A total of 2048 states including bound, as well as positive- and negative-energy states for an N=1024 spatial grid were propagated to generate occupation amplitudes as a function of internuclear separation. From these amplitudes spectra were calculated for total inclusive positron and electron production, and also the correlated spectra for ($e^+,e^-$) pair production. These were analyzed as a function of nuclear sticking time in order to establish signatures of spontaneous pair creation, i.e., QED vacuum decay. Subcritical Fr-Fr and highly supercritical Db-Db collisions both at the Coulomb barrier were also studied and contrasted with the U-U results.
Ackad Edward
Horbatsch Marko
No associations
LandOfFree
Calculation of electron-positron production in supercritical uranium-uranium collisions near the Coulomb barrier does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Calculation of electron-positron production in supercritical uranium-uranium collisions near the Coulomb barrier, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Calculation of electron-positron production in supercritical uranium-uranium collisions near the Coulomb barrier will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-653528