8.92 MeV doublet and 8.98 MeV level in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">O</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>15</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>

D. Drain; B. Chambon; M. Lambert; C. Pastor; N. Persehaye; J. L. Vidal; P. Midy

doi:10.1103/PhysRevC.15.551

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8.92 MeV doublet and 8.98 MeV level in ${}^{15}O$

D. Drain, B. Chambon, M. Lambert, C. Pastor, N. Persehaye, and J. L. Vidal

P. Midy

Institut de Physique Nucléaire, Université Claude Bernard, Lyon-I, France and IN2P3, 43 Bd du 11 novembre, 69621 Villeurbanne, France

Laboratoire de Physique Théorique et Hautes Energies, Université Paris XI, 91405 Orsay, France

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Phys. Rev. C 15, 551 – Published 1 February, 1977

DOI: https://doi.org/10.1103/PhysRevC.15.551

Abstract

The analysis of excitation curves and angular correlations of the $γ$ rays from the ${}^{14}N (p, γ) {}^{15}O$ reaction confirms the existence of a doublet at 8.92 MeV in ${}^{15}O$ . $J^{π} = {\frac{1}{2}}^{+}$ and $J^{π} = {\frac{1}{2}}^{-}$ assignments are determined for the spins and parities of the two members of this doublet. The 8.98 MeV level is found to have $J^{π} = {\frac{3}{2}}^{-}$ . This study was performed using a differentially pumped gas target of natural nitrogen. A comparison with ${}^{15}N$ levels and with theoretical results is discussed.

NUCLEAR REACTIONS ${}^{14}N (p, γ)$ , $E = 1.742, 1806$ MeV. Measured $σ (E)$ , $γ γ (θ)$ . ${}^{15}O$ levels deduced $J$ , $π$ . Natural gas target.

References (31)

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M. Lambert, O. Bersillon, B. Chambon, D. Drain, and J. L. Vidal, Nuovo Cimento Lett. 2, 1193 (1971)
M. P. Etten and G. H. Lenz, Nucl. Phys. A179, 448 (1972)
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[c1] F. Ajzenberg-Selove, Nucl. Phys. A152, 1 (1970)

[c2] M. Lambert, O. Bersillon, B. Chambon, D. Drain, and J. L. Vidal, Nuovo Cimento Lett. 2, 1193 (1971)

[c3] M. P. Etten and G. H. Lenz, Nucl. Phys. A179, 448 (1972)

[c4] H. F. Hinderlitter and W. A. Lochstet, Nucl. Phys. A163, 661 (1971)

[c5] J. L. Honsaker, W. J. McDonald, G. C. Neilson, and T. H. Hsu, in Contributions to the International Conference on Properties of Nuclear States, Montreal, Canada, August 25-30, 1969 (Univ. of Montreal Press, Quebec, 1969), p. 299

[c6] R. W. Krone and S. Fiarman, Phys. Rev. C 6, 95 (1972)

[c7] A. Amokrane, M. Allab, H. Beaumevielle, B. Faid, O. Bersillon, B. Chambon, D. Drain, and J. L. Vidal, Phys. Rev. C 6, 1934 (1972)

[c8] S. Lie, T. Engeland, and G. Dahll, Nucl. Phys. A156, 449 (1970) S. Lie and T. Engeland, ibid. A169, 617 (1971)

[c9] H. M. Kuan, M. Hasinoff, W. J. O'Connell, and S. S. Hanna, Nucl. Phys. A151, 129 (1970)

[c10] S. Bashkin and R. R. Carlson, Phys. Rev. 106, 261 (1957)

[c11] A. J. Ferguson, Angular correlation Methods in Gamma-Ray Spectroscopy (North-Holland, Amsterdam, 1965)

[c12] A. E. Evans, B. Brown, and J. B. Marion, Phys. Rev. 149, 863 (1966)

[c13] J. B. Marion, Nuclear Data Tables (National Academy of Science, Washington, D. C., 1960), Part 3

[c14] J. M. Blatt and L. C. Biedenharn, Rev. Mod. Phys. 24, 258 (1952)

[c15] B. Pohv and D. F. Hebbard, Phys. Rev. 115, 608 (1959)

[c16] S. Gorodetzky, R. M. Freeman, A. Gallmann, and F. Haas, Phys. Rev. 149, 801 (1966)

[c17] A. Gallmann, F. Haas, and N. Balaux, Phys. Rev. 151, 735 (1966)

[c18] J. S. Lopes, O. Häusser, H. J. Rose, A. R. Poletti, and M. F. Thomas, Nucl. Phys. 76, 223 (1966)

[c19] R. D. Gill, J. S. Lopes, B. C. Robertson, R. A. I. Bell, and H. J. Rose, Nucl. Phys. A106, 678 (1968)

[c20] R. Avida, M. B. Goldberg, Y. Horowitz, K. H. Speidel, and Y. Wolfson, Nucl. Phys. A172, 113 (1971)

[c21] D. C. Kean and M. R. Wormald, Can. J. Phys. 52, 265 (1974)

[c22] N. Anyas-Weiss, J. C. Cornell, P. S. Fisher, P. N. Hudson, A. Menchaca-Rocha, D. J. Millener, A. D. Panagiotou, D. K. Scott, D. Strotman, D. M. Brink, B. Buck, P. J. Ellis, and T. Engeland, Phys. Reports 12C, 203 (1974)

[c23] R. Saayman and P. R. de Kock, Z. Phys. 266, 83 (1974)

[c24] S. G. Nilsson, K. Dan. Vidensk. Selsk. Mat.-Fys. Medd. 29, No. 16 (1955)

[c25] J. Bommer, M. Ekpo, H. Fuchs, K. Grabisch, and H. Kluge, Nucl. Phys. A251, 246 (1975)

[c26] I. Tserruya, B. Rosner, and K. Bethge, Nucl. Phys. A213, 22 (1973)

[c27] H. E. Siefken, P. M. Cockburn, and R. W. Krone, Nucl. Phys. A128, 162 (1969)

[c28] C. E. Steerman and F. C. Young, Nucl. Phys. A192, 353 (1972)

[c29] J. C. Kim, H. S. Caplan, and I-O. Auer, Phys. Lett. 56B, 442 (1975)

[c30] K. Bethge, J. Phys. (Paris) 32, C6-87 (1971)

[c31] El Bedewi, M. Shalaby, and S. Embaby, J. Phys. G 1, 534 (1975)

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8.92 MeV doublet and 8.98 MeV level in ${}^{15}O$

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8.92 MeV doublet and 8.98 MeV level in O15

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References (31)

8.92 MeV doublet and 8.98 MeV level in ${}^{15}O$