Nuclear molecular phenomena

Nuclear molecular phenomena

243 Advances in Molecular Rekwation and Interaction Processes, 14 (1979) 243-244 0 Eisevier Scientific Publishing Company, Amsterdam - Printed in The...

67KB Sizes 0 Downloads 75 Views

243

Advances in Molecular Rekwation and Interaction Processes, 14 (1979) 243-244 0 Eisevier Scientific Publishing Company, Amsterdam - Printed in The Netherlands

BOOK REVIEWS NUCLEAR MOLECULAR North Holland,

PHENOMENA,

Edited by Nikola Cindro,

1978.

Pp xvii + 432, price $ 52.25.

One of the earliest accelerators

experiments

carried out with the first generation of tandem 12C _ 12 c by a group at Chalk River.

was the study of the reaction

To their surprise and too correlated

the excitation in different

function channels

showed considerable to be merely

structure,

statistical,

too wide

but too narrow

This, and similar though less dramatic structure in the to be size resonances. 12C _ 160 system they attributed to the formation of "nuclear molecules". The topic lay fallow for some time, but in the early 1970s interest revived increasing

number of careful and detailed

are summarised

in these Conference

on narrow structures 12

which was originally

proceedings,

in the continuum,

and an

The results

studies began to be made.

mooted

but finally ended with its present

as one

title.

The proceedings open with a comprehensive review of the archetypal system 12 cC by D. A. Bromley. This is particularly valuable for the emphasis it

places on the stringent

conditions

section can be identified an entrance

as a molecular

type resonance,

it displays.

by far the richest reaction

experimental

interest.

Greiner and Scheid.

theoretical detailed

the surprisingly

and the application

studies.

overview

high

surface

Also the topic has undoubtedly

The article by Konnecke

of the two-centre

et al mentioned

directed

for measuring

and Scheid), Nonresonating (Davies).

physics,

had an impact on above is a fairly

fragmentation

light systems

a vital but e&siveproperty

a

(Laslig, Ziegerhain,

(Fick) and Total Reaction brief review of techniques

of nuclear reactions.

Conference

but one that is likely to produce

by

by

to the title of the Conference.

The last article is an excellent

All in all this is an interesting

discussed

discussed

shell model while Y. Abe contributes

Many other topics got swept in, such as nuclear

Cross Sections

of more general

transparency

of mixed or para statistics

similar article, but more specifically

Haem, Greiner

but to a

is likely to remain of limited

However. the study has thrown up matters

for example,

R. H. Siemssen

in the wealth of

due to the very large number of open channels.

Thus the topic of the title of this Conference

Konnecke,

which is, of course,

Other systems do show signs of similar behaviour

much more limited degree, probably

interest;

bump in the cross-

channel phenomenon.

The 12C - '*C 1s experimentally phenomena

to be met before a particular

report on a limited area of nuclear

results with much wider ramifications.

J.C.W.