Neutron deformation parameter from comparative study of + and - Inelastic scattering

S. Iversen; A. Obst; Kamal K. Seth; H. A. Thiessen; C. L. Morris; N. Tanaka; E. Smith; J. F. Amann; R. Boudrie; G. Burleson; M. Devereux; L. W. Swenson; P. Varghese; K. Boyer; W. J. Braithwaite; W. Cottingame; C. Fred Moore

doi:10.1103/PhysRevLett.40.17

Neutron deformation parameter from comparative study of + and - Inelastic scattering

S. Iversen^*, A. Obst, Kamal K. Seth, H. A. Thiessen, C. L. Morris, N. Tanaka, E. Smith, J. F. Amann, R. Boudrie, G. Burleson, M. Devereux, L. W. Swenson, P. Varghese, K. Boyer, W. J. Braithwaite, W. Cottingame, C. Fred Moore

^*Corresponding author for this work

Physics and Astronomy

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Abstract

Differential cross sections for the excitation of the 2+ state in O18 by 230-MeV pions are found to be about 70% larger for - than for +. Since the -nucleon interaction at this energy is dominated by the (3,3) resonance, it is concluded that the results imply that Rn1.3Rp, or alternatively, that (R)n (valence neutrons) 3(R)c(core), where is the deformation parameter and R the equilibrium radius of the deformed potential. We believe that these results constitute the first example of measurement of the neutron deformation parameter.

Original language	English (US)
Pages (from-to)	17-20
Number of pages	4
Journal	Physical review letters
Volume	40
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.40.17
State	Published - 1978

ASJC Scopus subject areas

Physics and Astronomy(all)

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Iversen, S., Obst, A., Seth, K. K., Thiessen, H. A., Morris, C. L., Tanaka, N., Smith, E., Amann, J. F., Boudrie, R., Burleson, G., Devereux, M., Swenson, L. W., Varghese, P., Boyer, K., Braithwaite, W. J., Cottingame, W., & Moore, C. F. (1978). Neutron deformation parameter from comparative study of + and - Inelastic scattering. Physical review letters, 40(1), 17-20. https://doi.org/10.1103/PhysRevLett.40.17

@article{7116475881e749f8bd9e12abe9584044,

title = "Neutron deformation parameter from comparative study of + and - Inelastic scattering",

abstract = "Differential cross sections for the excitation of the 2+ state in O18 by 230-MeV pions are found to be about 70% larger for - than for +. Since the -nucleon interaction at this energy is dominated by the (3,3) resonance, it is concluded that the results imply that Rn1.3Rp, or alternatively, that (R)n (valence neutrons) 3(R)c(core), where is the deformation parameter and R the equilibrium radius of the deformed potential. We believe that these results constitute the first example of measurement of the neutron deformation parameter.",

author = "S. Iversen and A. Obst and Seth, {Kamal K.} and Thiessen, {H. A.} and Morris, {C. L.} and N. Tanaka and E. Smith and Amann, {J. F.} and R. Boudrie and G. Burleson and M. Devereux and Swenson, {L. W.} and P. Varghese and K. Boyer and Braithwaite, {W. J.} and W. Cottingame and Moore, {C. Fred}",

year = "1978",

doi = "10.1103/PhysRevLett.40.17",

language = "English (US)",

volume = "40",

pages = "17--20",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

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Iversen, S, Obst, A, Seth, KK, Thiessen, HA, Morris, CL, Tanaka, N, Smith, E, Amann, JF, Boudrie, R, Burleson, G, Devereux, M, Swenson, LW, Varghese, P, Boyer, K, Braithwaite, WJ, Cottingame, W & Moore, CF 1978, 'Neutron deformation parameter from comparative study of + and - Inelastic scattering', Physical review letters, vol. 40, no. 1, pp. 17-20. https://doi.org/10.1103/PhysRevLett.40.17

TY - JOUR

T1 - Neutron deformation parameter from comparative study of + and - Inelastic scattering

AU - Iversen, S.

AU - Obst, A.

AU - Seth, Kamal K.

AU - Thiessen, H. A.

AU - Morris, C. L.

AU - Tanaka, N.

AU - Smith, E.

AU - Amann, J. F.

AU - Boudrie, R.

AU - Burleson, G.

AU - Devereux, M.

AU - Swenson, L. W.

AU - Varghese, P.

AU - Boyer, K.

AU - Braithwaite, W. J.

AU - Cottingame, W.

AU - Moore, C. Fred

PY - 1978

Y1 - 1978

N2 - Differential cross sections for the excitation of the 2+ state in O18 by 230-MeV pions are found to be about 70% larger for - than for +. Since the -nucleon interaction at this energy is dominated by the (3,3) resonance, it is concluded that the results imply that Rn1.3Rp, or alternatively, that (R)n (valence neutrons) 3(R)c(core), where is the deformation parameter and R the equilibrium radius of the deformed potential. We believe that these results constitute the first example of measurement of the neutron deformation parameter.

AB - Differential cross sections for the excitation of the 2+ state in O18 by 230-MeV pions are found to be about 70% larger for - than for +. Since the -nucleon interaction at this energy is dominated by the (3,3) resonance, it is concluded that the results imply that Rn1.3Rp, or alternatively, that (R)n (valence neutrons) 3(R)c(core), where is the deformation parameter and R the equilibrium radius of the deformed potential. We believe that these results constitute the first example of measurement of the neutron deformation parameter.

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DO - 10.1103/PhysRevLett.40.17

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JO - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 1

ER -

Neutron deformation parameter from comparative study of + and - Inelastic scattering

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