Abstract
The effect of the nucleon recoil for antikaon-deuteron scattering is studied in the framework of effective field theory. In particular, we performed a calculation of the nucleon recoil effect for the double scattering process. It is shown that the leading correction to the static term that emerges at order ξ 1/2, where ξ = m K /M N , vanishes due to a complete cancellation of individually large terms. The resulting recoil effect for the double scattering process is found to be of order of 10–15% compared to the static term. We also developed a method to include the nucleon recoil effect in the calculation of the multiple scattering diagrams.
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Baru, V., Epelbaum, E. & Rusetsky, A. Nucleon recoil for low-energy antikaon-deuteron scattering. Hyperfine Interact 193, 53–59 (2009). https://doi.org/10.1007/s10751-009-0065-y
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DOI: https://doi.org/10.1007/s10751-009-0065-y