TY - JOUR AU - Ensher, J AU - Jin, Deborah AU - Matthews, M AU - Wieman, C AU - Cornell, Eric C2 - Physical Review Letters DA - 2021-10-12 15:10:24 LA - en PB - Physical Review Letters PY - 2021 TI - Bose-Einstine condensation in a dilute gas: Measurement of energy and ground state occupation ER -