TY - JOUR AU - K. Gibble AU - John Cooper BT - Physical Review Letters DA - Jan-09-1991 DO - 10.1103/PhysRevLett.67.1936 PY - 1991 SP - 1936 EP - 1936 T2 - Physical Review Letters TI - Scattering angle resolution in measurements of velocity-changing collision kernels VL - 67 SN - 0031-9007 ER -