Pion reaction cross sections and nuclear sizes

B. W. Allardyce; C. J. Batty; D. J. Baugh; E. Friedman; G. Heymann; M. E. Cage; G. J. Pyle; G. T.A. Squier; A. S. Clough; D. F. Jackson; S. Murugesu; V. Rajaratnam

doi:10.1016/0375-9474(73)90049-3

Pion reaction cross sections and nuclear sizes

B. W. Allardyce^*, C. J. Batty, D. J. Baugh, E. Friedman, G. Heymann, M. E. Cage, G. J. Pyle, G. T.A. Squier, A. S. Clough, D. F. Jackson, S. Murugesu, V. Rajaratnam

^*Corresponding author for this work

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

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Abstract

Measurements have been made of the reaction cross sections of π^- and π⁺ mesons for the nuclei C, Ca, Ni, Sn and Pb at beam momenta of 0.71, 0.84, 1.00, 1.36, 1.58 and 2.00 GeV/c. Additionally measurements have been made for Al, ¹²⁰Sn, Ho and ²⁰⁸Pb at momenta of 0.84, 1.00, 1.36 and 1.58 GeV/c. The ratio of π^- to π⁺ reaction cross sections has been analysed in terms of neutron density distributions using the Watson multiple-scattering theory. The effects of second-order contributions and of the various choices of wave equation have been considered. It is found that the distributions of neutrons and protons in heavy nuclei must have very similar radial parameters. Good agreement is obtained between the measured and calculated values for the reaction cross sections, without any adjustment of parameters.

Original language	English
Pages (from-to)	1-51
Number of pages	51
Journal	Nuclear Physics A
Volume	209
Issue number	1
DOIs	https://doi.org/10.1016/0375-9474(73)90049-3
State	Published - 16 Jul 1973
Externally published	Yes

Keywords

NUCLEAR REACTIONS

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10.1016/0375-9474(73)90049-3

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title = "Pion reaction cross sections and nuclear sizes",

abstract = "Measurements have been made of the reaction cross sections of π- and π+ mesons for the nuclei C, Ca, Ni, Sn and Pb at beam momenta of 0.71, 0.84, 1.00, 1.36, 1.58 and 2.00 GeV/c. Additionally measurements have been made for Al, 120Sn, Ho and 208Pb at momenta of 0.84, 1.00, 1.36 and 1.58 GeV/c. The ratio of π- to π+ reaction cross sections has been analysed in terms of neutron density distributions using the Watson multiple-scattering theory. The effects of second-order contributions and of the various choices of wave equation have been considered. It is found that the distributions of neutrons and protons in heavy nuclei must have very similar radial parameters. Good agreement is obtained between the measured and calculated values for the reaction cross sections, without any adjustment of parameters.",

keywords = "NUCLEAR REACTIONS",

author = "Allardyce, {B. W.} and Batty, {C. J.} and Baugh, {D. J.} and E. Friedman and G. Heymann and Cage, {M. E.} and Pyle, {G. J.} and Squier, {G. T.A.} and Clough, {A. S.} and Jackson, {D. F.} and S. Murugesu and V. Rajaratnam",

year = "1973",

month = jul,

day = "16",

doi = "10.1016/0375-9474(73)90049-3",

language = "אנגלית",

volume = "209",

pages = "1--51",

journal = "Nuclear Physics A",

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T1 - Pion reaction cross sections and nuclear sizes

AU - Allardyce, B. W.

AU - Batty, C. J.

AU - Baugh, D. J.

AU - Friedman, E.

AU - Heymann, G.

AU - Cage, M. E.

AU - Pyle, G. J.

AU - Squier, G. T.A.

AU - Clough, A. S.

AU - Jackson, D. F.

AU - Murugesu, S.

AU - Rajaratnam, V.

PY - 1973/7/16

Y1 - 1973/7/16

N2 - Measurements have been made of the reaction cross sections of π- and π+ mesons for the nuclei C, Ca, Ni, Sn and Pb at beam momenta of 0.71, 0.84, 1.00, 1.36, 1.58 and 2.00 GeV/c. Additionally measurements have been made for Al, 120Sn, Ho and 208Pb at momenta of 0.84, 1.00, 1.36 and 1.58 GeV/c. The ratio of π- to π+ reaction cross sections has been analysed in terms of neutron density distributions using the Watson multiple-scattering theory. The effects of second-order contributions and of the various choices of wave equation have been considered. It is found that the distributions of neutrons and protons in heavy nuclei must have very similar radial parameters. Good agreement is obtained between the measured and calculated values for the reaction cross sections, without any adjustment of parameters.

AB - Measurements have been made of the reaction cross sections of π- and π+ mesons for the nuclei C, Ca, Ni, Sn and Pb at beam momenta of 0.71, 0.84, 1.00, 1.36, 1.58 and 2.00 GeV/c. Additionally measurements have been made for Al, 120Sn, Ho and 208Pb at momenta of 0.84, 1.00, 1.36 and 1.58 GeV/c. The ratio of π- to π+ reaction cross sections has been analysed in terms of neutron density distributions using the Watson multiple-scattering theory. The effects of second-order contributions and of the various choices of wave equation have been considered. It is found that the distributions of neutrons and protons in heavy nuclei must have very similar radial parameters. Good agreement is obtained between the measured and calculated values for the reaction cross sections, without any adjustment of parameters.

KW - NUCLEAR REACTIONS

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VL - 209

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JO - Nuclear Physics A

JF - Nuclear Physics A

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Pion reaction cross sections and nuclear sizes

Abstract

Keywords

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