WITHIN THE LAST FIVE YEARS, exploitation of isobaric analog resonances to obtain detailed information concerning the structure of atomic nuclei has become a standard, if somewhat mysterious, technique in the repertoire of experimental nuclear physicists. The precise nature and structure of isobaric analog resonances in nuclei are apparently not well understood by anyone at the present time, because the nuclear configurations involved are exceedingly complicated. Fortunately, however, it is easy to understand many of the properties of analog resonances that make them valuable to experimentalists and a topic of lively interest and sometimes controversy among students of nuclear structure.

1.
W.
Heisenberg
,
Z. Physik
77
,
1
(
1932
).
2.
E. P.
Wigner
,
Phys. Rev.
51
,
106
,
947
(
1937
).
3.
E. P.
Wigner
,
Phys. Rev.
56
,
519
(
1939
).
4.
D. H.
Wilkinson
,
Phil. Mag.
1
,
379
(
1956
).
5.
J. D.
Anderson
,
C.
Wong
,
J. W.
McClure
,
Phys. Rev.
126
,
2170
(
1962
).
6.
A. M.
Lane
,
Nucl. Phys.
35
,
676
(
1962
).
7.
A. M.
Lane
,
J. M.
Soper
,
Nucl. Phys.
37
,
663
(
1962
).
8.
J. D.
Fox
, et al.,
Phys. Rev. Letters
12
,
198
(
1964
).
9.
D.
Robson
,
Phys. Rev.
137
,
B535
(
1965
).
10.
P.
Richard
, et al.,
Phys. Rev. Letters
13
,
343
(
1964
);
G. A.
Keyworth
, et al.,
Phys. Letters
20
,
281
(
1966
).
11.
W.
MacDonald
,
A.
Mekjian
,
Phys. Rev.
160
,
730
(
1967
);
C.
Mahaux
,
H. A.
Weidenmüller
,
Nucl. Phys.
89
,
33
(
1966
)
and
C.
Mahaux
,
H. A.
Weidenmüller
,
A94
,
1
(
1967
); ,
Nucl. Phys.
R. O.
Stephen
,
Nucl. Phys.
A94
,
192
(
1967
);
T. Tamura (to be published);
S. A. A. Zaidi (to be published).
12.
G. A.
Jones
,
A. M.
Lane
,
G. C.
Morrison
,
Phys. Letters
11
,
329
(
1964
).
13.
G.
Hardie
, et al.,
Phys. Rev.
129
,
353
(
1963
),
and see also
G.
Hardie
, et al.,
PHYSICS TODAY
20
, no.
12
,
63
(
1967
).
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