Analysis of the High-Energy Photonucleon Emission from <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">O</mi></mrow><mrow><mn>16</mn></mrow></msup></mrow></math></span> and <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi mathvariant="normal">C</mi></mrow><mrow><mn>12</mn></mrow></msup></mrow></math></span> in a Direct Reaction Model

M. G. Mustafa; F. B. Malik

doi:10.1103/PhysRevC.1.753

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Analysis of the High-Energy Photonucleon Emission from $O^{16}$ and $C^{12}$ in a Direct Reaction Model

M. G. Mustafa^*

F. B. Malik^†

Electron Accelerator Laboratory, Physics Department, Yale University, New Haven, Connecticut 06520

Physics Department, Indiana University, Bloomington, Indiana 47401

^*Work supported in part by a U.S. Atomic Energy Commission grant No. AT(30-1) 2726 and on leave of absence from P.A.E.C.
^†Work supported in part by a National Science Foundation grant. Part of the work performed as a Ford Foundation consultant to the University of Islamabad, Pakistan.

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Phys. Rev. C 1, 753 – Published 1 March, 1970

DOI: https://doi.org/10.1103/PhysRevC.1.753

Abstract

High-energy photonucleon emission probabilities in $O^{16}$ and $C^{12}$ have been studied by (a) the standard direct-emission model and (b) the standard direct-emission model modified to incorporate the ground-state correlation. The calculation has been made for the 90° differential cross section, integrated cross section, angular distributions at a few energies, and 45° polarization. Inclusion of the ground-state correlation improves the agreement between the theoretical results and the observations. This, along with the sensitivity of the absolute magnitude of the photonucleon cross section to the extent of the correlation, may be exploited to study the composition of the wave functions of the target and the residual nucleus.

References (24)

C.-P. Wu, F. W. K. Firk, and T. W. Phillips, Phys. Rev. Letters 10, 1182 (1968)
E. D. Courant, Phys. Rev. 82, 703 (1951)
G. E. Brown and J. S. Levinger, Proc. Phys. Soc. (London) A71, 733 (1958)
N. C. Francis, D. T. Goldman, and E. Guth, Phys. Rev. 120, 2175 (1960)
C. B. Duke and F. B. Malik, in Proceedings of the International Conference on Nuclear Physics, Gatlinberg, Tenn., 1966, edited by R. L. Becker (Academic Press Inc., New York, 1967) C. B. Duke, F. B. Malik, and F. W. K. Rirk, Phys. Rev. 157, 879 (1967)
D. H. Wilkinson, Physica 22, 1039 (1956)
M. G. Mustafa and F. B. Malik, Bull. Am. Phys. Soc. 14, 607 (1969)
G. M. Shklyarevskii, Zh. Eksperim. i Teor. Fiz. 36, 1492 (1959) ibid.41, 451 (1962) [English Transls.: Soviet Phys.—JETP 9, 1057 (1959) Soviet Phys.—JETP 14, 324 (1962)]
J. S. Levinger, Nuclear Photodisintegration (Oxford University Press, London, 1960)
B. Buck and A. D. Hill, Nucl. Phys. A95, 271 (1967)
E. H. Auerbach, N. C. Francis, D. T. Goldman, and C. R. Lubitz Knolls Atomic Power Laboratory Report No. KAPL-3020, Schenectady, N.Y., 1964 (unpublished)
W. Czyz and J. Sawicki, Nuovo Cimento 3, 864 (1956)
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R. C. Morrison, J. R. Stewart, and J. S. O'Connell, Phys. Rev. Letters 15, 509 (1965) R. C. Morrison, thesis, Yale University, 1965 (unpublished)
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G. W. Cole, F. W. K. Firk, and T. W. Phillips, Phys. Letters 30B, 91 (1969)
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[c1] C.-P. Wu, F. W. K. Firk, and T. W. Phillips, Phys. Rev. Letters 10, 1182 (1968)

[c2] E. D. Courant, Phys. Rev. 82, 703 (1951)

[c3] G. E. Brown and J. S. Levinger, Proc. Phys. Soc. (London) A71, 733 (1958)

[c4] N. C. Francis, D. T. Goldman, and E. Guth, Phys. Rev. 120, 2175 (1960)

[c5] C. B. Duke and F. B. Malik, in Proceedings of the International Conference on Nuclear Physics, Gatlinberg, Tenn., 1966, edited by R. L. Becker (Academic Press Inc., New York, 1967) C. B. Duke, F. B. Malik, and F. W. K. Rirk, Phys. Rev. 157, 879 (1967)

[c6] D. H. Wilkinson, Physica 22, 1039 (1956)

[c7] M. G. Mustafa and F. B. Malik, Bull. Am. Phys. Soc. 14, 607 (1969)

[c8] G. M. Shklyarevskii, Zh. Eksperim. i Teor. Fiz. 36, 1492 (1959) ibid.41, 451 (1962) [English Transls.: Soviet Phys.—JETP 9, 1057 (1959) Soviet Phys.—JETP 14, 324 (1962)]

[c9] J. S. Levinger, Nuclear Photodisintegration (Oxford University Press, London, 1960)

[c10] B. Buck and A. D. Hill, Nucl. Phys. A95, 271 (1967)

[c11] E. H. Auerbach, N. C. Francis, D. T. Goldman, and C. R. Lubitz Knolls Atomic Power Laboratory Report No. KAPL-3020, Schenectady, N.Y., 1964 (unpublished)

[c12] W. Czyz and J. Sawicki, Nuovo Cimento 3, 864 (1956)

[c13] H. F. Lutz, J. B. Mason, and M. D. Karvelis, Nucl. Phys. 47, 521 (1963)

[c14] R. C. Morrison, J. R. Stewart, and J. S. O'Connell, Phys. Rev. Letters 15, 509 (1965) R. C. Morrison, thesis, Yale University, 1965 (unpublished)

[c15] D. E. Frederick and A. Daniel Sherick, Phys. Rev. 176, 1177 (1968)

[c16] W. Bertozzi, P. Demos, F. Hanser, S. Kowalski, C. Sargent, W. Turchinetz, R. Fullwood, and J. Russell, Comptes Rendus du Congrès International de Physique de Nucleaire, edited by P. Gaugenberger (Centre National de la Recherche Scientifique, Paris, 1964), Vol. II, p. 1026

[c17] G. W. Cole, F. W. K. Firk, and T. W. Phillips, Phys. Letters 30B, 91 (1969)

[c18] A. P. Zuker, B. Buck, and J. B. McGrory, Phys. Rev. Letters 21, 39 (1968)

[c19] C. Brassard, W. Scholz, and D. A. Bromley, J. Phys. Soc. Japan Suppl. 24, 139 (1968)

[c20] J. A. Rowlins, C. Glavina, S. H. Ku, and Y. M. Shin, Nucl. Phys. A122, 128 (1968)

[c21] C. Brassard, H. D. Shay, J. P. Coffin, W. Scholz, and D. A. Bromley (private communications)

[c22] S. Penner and J. E. Leiss, Phys. Rev. 114, 1101 (1959)

[c23] D. Amit and A. Katz, Nucl. Phys. 58, 388 (1964)

[c24] N. N. Kaushal, E. J. Winhold, P. F. Yergin, H. A. Medicus, and R. H. Augustson, Phys. Rev. 175, 1330 (1968)

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Analysis of the High-Energy Photonucleon Emission from $O^{16}$ and $C^{12}$ in a Direct Reaction Model

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Analysis of the High-Energy Photonucleon Emission from O16 and C12 in a Direct Reaction Model

Abstract

References (24)

Analysis of the High-Energy Photonucleon Emission from $O^{16}$ and $C^{12}$ in a Direct Reaction Model