[ital s]-wave elastic collisions between cold ground-state [sup 87]Rb atoms

Journal Article · Sat Apr 01 04:00:00 EST 1995 · Physical Review A; (United States)

DOI:https://doi.org/10.1103/PhysRevA.51.R2680· OSTI ID:6401926

Newbury, N R; Myatt, C J; Wieman, C E ^[1]

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1. Joint Institute for Laboratory Astrophysics, National Institute of Standards and Technology and University of Colorado and Physics Department, University of Colorado, Boulder, Colorado 80309-0440 (United States)

We have measured the elastic-scattering cross section of [sup 87]Rb atoms in the [vert bar][ital F]=1,[ital m][sub [ital F]]=[minus]1[r angle] ground state at 25 [mu]K. The cross section is almost purely [ital s] wave at these temperatures and has a value of (5.4[plus minus]1.3)[times]10[sup [minus]12] cm[sup 2]. We have searched for the predicted Feshbach-type resonances in the elastic cross section [Tiesinga [ital et] [ital al]., Phys. Rev. A [bold 46], 1167 (1992)] as a function of magnetic field. There are no resonances with a magnetic-field width [ge]2 G over a magnetic-field range of 15--540 G.

• OSTI ID: 6401926
• Journal Information: Physical Review A; (United States), Journal Name: Physical Review A; (United States) Vol. 50:4; ISSN 1050-2947; ISSN PLRAAN
• Country of Publication: United States
• Language: English

Related Subjects

664300* -- Atomic & Molecular Physics-- Collision Phenomena-- (1992-)
74 ATOMIC AND MOLECULAR PHYSICS
ALKALI METAL ISOTOPES
ATOM COLLISIONS
ATOM-ATOM COLLISIONS
BEAM COOLING
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
COLLISIONS
ELASTIC SCATTERING
INTERMEDIATE MASS NUCLEI
ISOTOPES
MAGNETIC FIELDS
MOMENTUM COOLING
NUCLEI
ODD-EVEN NUCLEI
PARTIAL WAVES
RADIOISOTOPES
RUBIDIUM 87
RUBIDIUM ISOTOPES
S WAVES
SCATTERING
SENSITIVITY
STOCHASTIC COOLING
TRAPPING
YEARS LIVING RADIOISOTOPES