TY - JOUR PB - American Physical Society ID - 10.1103/Physics.1.9 TI - An abrupt slowdown for particles on the fast track JF - Physics JA - Physics J1 - PHYSICS VL - 1 IS - SP - 9 EP - PY - 2008/08/04/ UR - http://link.aps.org/doi/10.1103/Physics.1.9 A1 - Cherry, Michael L. ER -