Low-energy pion double charge exchange on Ca isotopes

Z. Weinfeld; E. Piasetzky; H. W. Baer; R. L. Burman; M. J. Leitch; C. L. Morris; D. H. Wright; S. H. Rokni; J. R. Comfort

doi:10.1103/PhysRevC.37.902

Low-energy pion double charge exchange on Ca isotopes

Z. Weinfeld, E. Piasetzky, H. W. Baer, R. L. Burman, M. J. Leitch, C. L. Morris, D. H. Wright, S. H. Rokni, J. R. Comfort

Physics

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33 Scopus citations

Abstract

Differential cross sections for the double-isobaric-analog-state transition in the 42,44Ca(+,-) reactions were measured at an incident energy of 35 MeV and 40 degrees. The Ca42 cross section (2.0±0.5 b/sr) is nearly as large as those of the lighter T=1 nuclei and only slightly smaller than that previously measured for Ca48 (2.4±0.7 b/sr). The cross section for Ca44 (1.1±0.3 b/sr) is half of this amount. These results are surprising when compared with simple expectations and point to the importance of the nonanalog route contribution at low energies.

Original language	English (US)
Pages (from-to)	902-905
Number of pages	4
Journal	Physical Review C
Volume	37
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevC.37.902
State	Published - Jan 1 1988

ASJC Scopus subject areas

Nuclear and High Energy Physics

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10.1103/PhysRevC.37.902

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title = "Low-energy pion double charge exchange on Ca isotopes",

abstract = "Differential cross sections for the double-isobaric-analog-state transition in the 42,44Ca(+,-) reactions were measured at an incident energy of 35 MeV and 40 degrees. The Ca42 cross section (2.0±0.5 b/sr) is nearly as large as those of the lighter T=1 nuclei and only slightly smaller than that previously measured for Ca48 (2.4±0.7 b/sr). The cross section for Ca44 (1.1±0.3 b/sr) is half of this amount. These results are surprising when compared with simple expectations and point to the importance of the nonanalog route contribution at low energies.",

author = "Z. Weinfeld and E. Piasetzky and Baer, {H. W.} and Burman, {R. L.} and Leitch, {M. J.} and Morris, {C. L.} and Wright, {D. H.} and Rokni, {S. H.} and Comfort, {J. R.}",

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language = "English (US)",

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T1 - Low-energy pion double charge exchange on Ca isotopes

AU - Weinfeld, Z.

AU - Piasetzky, E.

AU - Baer, H. W.

AU - Burman, R. L.

AU - Leitch, M. J.

AU - Morris, C. L.

AU - Wright, D. H.

AU - Rokni, S. H.

AU - Comfort, J. R.

PY - 1988/1/1

Y1 - 1988/1/1

N2 - Differential cross sections for the double-isobaric-analog-state transition in the 42,44Ca(+,-) reactions were measured at an incident energy of 35 MeV and 40 degrees. The Ca42 cross section (2.0±0.5 b/sr) is nearly as large as those of the lighter T=1 nuclei and only slightly smaller than that previously measured for Ca48 (2.4±0.7 b/sr). The cross section for Ca44 (1.1±0.3 b/sr) is half of this amount. These results are surprising when compared with simple expectations and point to the importance of the nonanalog route contribution at low energies.

AB - Differential cross sections for the double-isobaric-analog-state transition in the 42,44Ca(+,-) reactions were measured at an incident energy of 35 MeV and 40 degrees. The Ca42 cross section (2.0±0.5 b/sr) is nearly as large as those of the lighter T=1 nuclei and only slightly smaller than that previously measured for Ca48 (2.4±0.7 b/sr). The cross section for Ca44 (1.1±0.3 b/sr) is half of this amount. These results are surprising when compared with simple expectations and point to the importance of the nonanalog route contribution at low energies.

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Low-energy pion double charge exchange on Ca isotopes

Abstract

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