Triplet s-wave resonance inLi6collisions and scattering lengths ofLi6andLi7
نویسندگان
چکیده
منابع مشابه
The ππ S - wave scattering lengths July 24 , 2000
We match the known chiral perturbation theory representation of the ππ scattering amplitude to two loops with a phenomenological description that relies on the Roy equations. On this basis, the corrections to Wein-berg's low energy theorems for the S-wave scattering lengths are worked out to second order in the expansion in powers of the quark masses. The resulting predictions, a 0 0 = 0.220 ± ...
متن کاملThe ππ S - wave scattering lengths July 11 , 2000
We match the known chiral perturbation theory representation of the ππ scattering amplitude to two loops with a phenomenological description that relies on the Roy equations. On this basis, the corrections to Wein-berg's low energy theorems for the S-wave scattering lengths are worked out to second order in the expansion in powers of the quark masses. The resulting predictions, a 0 0 = 0.220 ± ...
متن کاملs - wave scattering lengths of the strongly dipolar bosons
Yijun Tang,1,2 Andrew Sykes,3 Nathaniel Q. Burdick,2,4 John L. Bohn,3 and Benjamin L. Lev1,2,4 1Department of Physics, Stanford University, Stanford, California 94305, USA 2E. L. Ginzton Laboratory, Stanford University, Stanford, California 94305, USA 3JILA, University of Colorado and National Institute of Standards and Technology, Boulder, Colorado 80309, USA 4Department of Applied Physics, St...
متن کاملSpectroscopic determination of the s-wave scattering lengths of 86Sr and 88Sr.
We report the use of photoassociative spectroscopy to determine the ground-state s-wave scattering lengths for the main bosonic isotopes of strontium, 86Sr and 88Sr. Photoassociative transitions are driven with a laser red detuned by up to 1400 GHz from the 1S0-1P1 atomic resonance at 461 nm. A minimum in the transition amplitude for 86Sr at -494 +/- 5 GHz allows us to determine the scattering ...
متن کاملThe S-Wave Pion-Nucleon Scattering Lengths from Pionic Atoms using Effective Field Theory
The pion-deuteron scattering length is computed to next-to-next-to-leading order in baryon chiral perturbation theory. A modified power-counting is then formulated which properly accounts for infrared enhancements engendered by the large size of the deuteron, as compared to the pion Compton wavelength. We use the precise experimental value of the real part of the pion-deuteron scattering length...
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ژورنال
عنوان ژورنال: Physical Review A
سال: 1997
ISSN: 1050-2947,1094-1622
DOI: 10.1103/physreva.55.r3299