ISOBARIC ANALOG STATES IN PION SINGLE CHARGE EXCHANGE REACTIONS ON AND ABOVE THE (3,3) RESONANCE ENERGY - INSPIRE

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ISOBARIC ANALOG STATES IN PION SINGLE CHARGE EXCHANGE REACTIONS ON AND ABOVE THE (3,3) RESONANCE ENERGY

1983

4 pages

Published in:

Phys.Rev.Lett. 51 (1983) 1324-1327

DOI:

10.1103/PhysRevLett.51.1324

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Abstract: (APS)

The 0° differential cross sections of (π+, π0) reactions on a series of nuclei to isobaric analog states were determined at 165, 230, and 295 MeV. For each energy, the A dependence is well described by a power law of the form σ=g(E)(N−Z)A−α(E), where α(E) is a decreasing function of energy. The 0° excitation functions peak around the (3,3) resonance energy for all nuclei except Zr90. A possible explanation in terms of neutron and proton densities is discussed.

pi+ nucleus: nuclear reaction
zirconium
tin
lead
pi+ nucleus: charge exchange
charge exchange: pi+ nucleus
energy spectrum: (pi0)
(pi0): energy spectrum
dependence: mass number
mass number: dependence

References(11)

Figures(0)

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