Orbital Angular Momentum and Shear Flow in Non-Central Heavy Ion Collisions Wei-Tian Deng
Geometry
Total Orbital Angular Momentum ? Low energy (nuclear binding energy) High energy ( RHIC ) Rotating compound nucleus Shear of the longitudinal flow Local vorticity density Quark global polarization
Total Orbital Angular Momentum The transverse distributions of participant nucleons
Total Orbital Angular Momentum Woods-Saxon nuclear distribution Hard spheres
Total Orbital Angular Momentum
Longitudinal shear flow Landau fireball model Bjorken scaling model Total angular momentum longitudinal shear flow Local relative orbital angular momentum
Landau fireball model the produced partons thermalize quickly have a common longitudinal flow velocity at a given transverse position
Landau fireball model
Bjorken scaling model x y z
HIJING Woods-Saxon nuclear density Parton level 3-dimensional expanding x z
Bjorken scaling model
Comoving frame
Bjorken scaling model