Inelastic and elastic collision rates for triplet states of ultracold strontium
A Traverso, R Chakraborty… - Physical Review A …, 2009 - APS
Physical Review A—Atomic, Molecular, and Optical Physics, 2009•APS
We report measurement of the inelastic and elastic collision rates for S 88 r atoms in the (5 s
5 p) P 3 0 state in a crossed-beam optical dipole trap. Since the (5 s 5 p) P 3 0 state is the
lowest level of the triplet manifold, large loss rates indicate the importance of principle-
quantum-number-changing collisions at short range. We also provide an estimate of the
collisional loss rates for the (5 s 5 p) P 3 2 state. Large loss-rate coefficients for both states
indicate that evaporative cooling toward quantum degeneracy in these systems is unlikely to …
5 p) P 3 0 state in a crossed-beam optical dipole trap. Since the (5 s 5 p) P 3 0 state is the
lowest level of the triplet manifold, large loss rates indicate the importance of principle-
quantum-number-changing collisions at short range. We also provide an estimate of the
collisional loss rates for the (5 s 5 p) P 3 2 state. Large loss-rate coefficients for both states
indicate that evaporative cooling toward quantum degeneracy in these systems is unlikely to …
We report measurement of the inelastic and elastic collision rates for atoms in the state in a crossed-beam optical dipole trap. Since the state is the lowest level of the triplet manifold, large loss rates indicate the importance of principle-quantum-number-changing collisions at short range. We also provide an estimate of the collisional loss rates for the state. Large loss-rate coefficients for both states indicate that evaporative cooling toward quantum degeneracy in these systems is unlikely to be successful.
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