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Chiral corrections to the S-wave pion-nucleon scattering lengths

✍ Scribed by Véronique Bernard; Norbert Kaiser; Ulf-G. Meißner


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
332 KB
Volume
309
Category
Article
ISSN
0370-2693

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Determination of the s-wave pion–nucleon
✍ G.C. Oades; G. Rasche; W.S. Woolcock; E. Matsinos; A. Gashi 📂 Article 📅 2007 🏛 Elsevier Science 🌐 English ⚖ 166 KB

We give the conversion equations which lead from experimental values of the 3p → 1s transition energy in pionic hydrogen and the total width of the 1s level to values of the s-wave threshold scattering parameters for the processes π -p → π -p and π -p → π 0 n respectively. Using a three-channel pote