Scattering of low energy pions by 12C, 40Ca, 58,60,64Ni and the anomaly in pionic atoms

E. Friedman

doi:10.1016/0370-2693(88)90668-5

Scattering of low energy pions by ¹²C, ⁴⁰Ca, ^58,60,64Ni and the anomaly in pionic atoms

E. Friedman^*

^*Corresponding author for this work

Racah Institute of Physics

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

Several cases of anomalously small level shifts and widths are known in pionic atoms. These lead to pion-nucleus potentials which are different from those describing all other "normal" pionic atoms. Data on the elastic scattering of 19.5 MeV π^± by ¹²C and ⁴⁰Ca and 30 MeV π^± by ^58,60,64Ni is in very good agreement with predictions made with normal potentials and clearly rule-out potentials obtained from the "anomalous" cases.

Original language	English
Pages (from-to)	381-384
Number of pages	4
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	207
Issue number	4
DOIs	https://doi.org/10.1016/0370-2693(88)90668-5
State	Published - 30 Jun 1988

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title = "Scattering of low energy pions by 12C, 40Ca, 58,60,64Ni and the anomaly in pionic atoms",

abstract = "Several cases of anomalously small level shifts and widths are known in pionic atoms. These lead to pion-nucleus potentials which are different from those describing all other {"}normal{"} pionic atoms. Data on the elastic scattering of 19.5 MeV π± by 12C and 40Ca and 30 MeV π± by 58,60,64Ni is in very good agreement with predictions made with normal potentials and clearly rule-out potentials obtained from the {"}anomalous{"} cases.",

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N2 - Several cases of anomalously small level shifts and widths are known in pionic atoms. These lead to pion-nucleus potentials which are different from those describing all other "normal" pionic atoms. Data on the elastic scattering of 19.5 MeV π± by 12C and 40Ca and 30 MeV π± by 58,60,64Ni is in very good agreement with predictions made with normal potentials and clearly rule-out potentials obtained from the "anomalous" cases.

AB - Several cases of anomalously small level shifts and widths are known in pionic atoms. These lead to pion-nucleus potentials which are different from those describing all other "normal" pionic atoms. Data on the elastic scattering of 19.5 MeV π± by 12C and 40Ca and 30 MeV π± by 58,60,64Ni is in very good agreement with predictions made with normal potentials and clearly rule-out potentials obtained from the "anomalous" cases.

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Scattering of low energy pions by ¹²C, ⁴⁰Ca, ^58,60,64Ni and the anomaly in pionic atoms

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