Lifetime of the 1.042-MeV State in <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">F</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>18</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>

A. E. Blaugrund; D. H. Youngblood; G. C. Morrison; R. E. Segel

doi:10.1103/PhysRev.158.893

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Lifetime of the 1.042-MeV State in ${}^{18}F$

A. E. Blaugrund^*, D. H. Youngblood, G. C. Morrison, and R. E. Segel^†

Argonne National Laboratory, Argonne, Illinois

^*On leave of absence from the Weizmann Institute of Science, Rehovoth, Israel.
^†Presently also at Northwestern University, Evanston, Illinois.

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Phys. Rev. 158, 893 – Published 20 June, 1967

DOI: https://doi.org/10.1103/PhysRev.158.893

Abstract

The lifetime of the 1.042-MeV $T = 1$ state in ${}^{18}F$ was measured by use of the attenuated-Doppler-shift method. Analysis of the measurements by use of the universal stopping cross section given by Lindhard, Scharff, and Schiott give a mean life $τ = ({0.4}_{- 0.2}^{+ 0.3}) \times 10^{- 14}$ sec. The experimental lifetime agrees with the value calculated from the corresponding Gamow-Teller $β$ transition according to a relation given by Kurath. The accuracy of the universal stopping cross section is discussed.

References (13)

Dieter Kurath, Argonne National Laboratory Report No. ANL-7108, 1965, p. 61 (unpublished)
T. R. Fisher, S. S. Hanna, and P. Paul, Phys. Rev. Letters 16, 850 (1966)
A. E. Litherland, M. J. L. Yates, B. M. Hinds, and D. Eccle-shall, Nucl. Phys. 44, 220 (1963)
E. K. Warburton, D. E. Alburger, and D. H. Wilkinson, Phys. Rev. 129, 2180 (1963)
R. L. Robinson, P. H. Stelson, F. K. McGowan, J. L. C. Ford, Jr., and W. T. Milner, Nucl. Phys. 74, 281 (1964)
W. C. Davidon, Argonne National Laboratory Report No. ANL-5990, 1959 (unpublished) W. J. Snow, Argonne National Laboratory Report No. ANL-6908, 1964 (unpublished)
A. E. Blaugrund, Nucl. Phys. 88, 501 (1966)
J. Lindhard, M. Scharff, and J. E. Schiott, Kgl. Danske Videnskab. Selskab, Mat. Fys. Medd. 33, No. 14 (1963)
L. C. Northcliff, Ann. Rev. Nucl. Sci. 13, 67 (1963) W. Booth and I. S. Grant, Nucl. Phys. 63, 481 (1965)
J. H. Ormrod and H. E. Duckworth, Can. J. Phys. 41, 1424 (1963) J. R. Macdonald, J. H. Ormrod, and H. E. Duckworth, Z. Naturforsch. 21a, 130 (1966) J. H. Ormrod, J. R. Macdonald, and H. E. Duckworth, Can. J. Phys. 43, 275 (1965)
L. Young, Anodic Oxide Films (Academic Press Inc., New York, 1961)
F. Ajzenberg-Selove and T. Lauritsen, Nucl. Phys. 11, 1 (1959)
A. Arima, S. Cohen, R. D. Lawson, and M. H. Macfarlane (to be published)

[c1] Dieter Kurath, Argonne National Laboratory Report No. ANL-7108, 1965, p. 61 (unpublished)

[c2] T. R. Fisher, S. S. Hanna, and P. Paul, Phys. Rev. Letters 16, 850 (1966)

[c3] A. E. Litherland, M. J. L. Yates, B. M. Hinds, and D. Eccle-shall, Nucl. Phys. 44, 220 (1963)

[c4] E. K. Warburton, D. E. Alburger, and D. H. Wilkinson, Phys. Rev. 129, 2180 (1963)

[c5] R. L. Robinson, P. H. Stelson, F. K. McGowan, J. L. C. Ford, Jr., and W. T. Milner, Nucl. Phys. 74, 281 (1964)

[c6] W. C. Davidon, Argonne National Laboratory Report No. ANL-5990, 1959 (unpublished) W. J. Snow, Argonne National Laboratory Report No. ANL-6908, 1964 (unpublished)

[c7] A. E. Blaugrund, Nucl. Phys. 88, 501 (1966)

[c8] J. Lindhard, M. Scharff, and J. E. Schiott, Kgl. Danske Videnskab. Selskab, Mat. Fys. Medd. 33, No. 14 (1963)

[c9] L. C. Northcliff, Ann. Rev. Nucl. Sci. 13, 67 (1963) W. Booth and I. S. Grant, Nucl. Phys. 63, 481 (1965)

[c10] J. H. Ormrod and H. E. Duckworth, Can. J. Phys. 41, 1424 (1963) J. R. Macdonald, J. H. Ormrod, and H. E. Duckworth, Z. Naturforsch. 21a, 130 (1966) J. H. Ormrod, J. R. Macdonald, and H. E. Duckworth, Can. J. Phys. 43, 275 (1965)

[c11] L. Young, Anodic Oxide Films (Academic Press Inc., New York, 1961)

[c12] F. Ajzenberg-Selove and T. Lauritsen, Nucl. Phys. 11, 1 (1959)

[c13] A. Arima, S. Cohen, R. D. Lawson, and M. H. Macfarlane (to be published)

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Lifetime of the 1.042-MeV State in F18

Abstract

References (13)

Lifetime of the 1.042-MeV State in ${}^{18}F$