Professor G. S. Anagnostatos, Professor Dr. W. von Oertzen's Atomic and Nuclear Clusters: Proceedings of the Second PDF

By Professor G. S. Anagnostatos, Professor Dr. W. von Oertzen (eds.)

ISBN-10: 3642796966

ISBN-13: 9783642796968

ISBN-10: 3642796982

ISBN-13: 9783642796982

The topic of clusters - small aggregates of debris - is a subject of basic curiosity in either atomic and nuclear physics, and in addition in different fields equivalent to the quark-structures of baryons and cosmology. The interaction among atomic and nuclear physics is a very interesting one simply because many suggestions are universal to either fields (quantal results, shells, geometric buildings, collective modes, fission, etc.). those complaints include a wealth of papers illustrating the interdisciplinary function of cluster physics. a few of them are reprinted from Zeitschrift für Physik A and D.

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Additional info for Atomic and Nuclear Clusters: Proceedings of the Second International Conference at Santorini, Greece, June 28 – July 2, 1993

Sample text

A particularly remarkable phenomenon is the formation of alpha-chain states in light nuclei, and these are described in Sect. 6. Over the years there have been many theoretical and experimental studies of alpha-clustering in nuclei, and several reviews have been published (Wildermuth and Tang [1]; Hodgson [2], [3]). In addition, there is a series of international conferences on clustering aspects in nuclear and 6 subnuclear systems, and the proceedings of these conferences contain much information on alpha-clustering.

Calculations of alpha-chain states in 12C and 16 0 have been made by Zamick and Zheng [45]. In 1986, Marsh and Rae [46] made calculations of the states of 24Mg using a cranked version of the Bloch-Brink cluster model and predicted a band of states around 45 MeV corresponding to a linear chain of six alpha-particles. Experimental evidence for this band has been found' by Wuosmaa et al. [47] at 48 MeV, approximately the energy predicted by Marsh and Rae. This state breaks up into two 12C alpha-chain states.

In atomic physics, the following approximation was introduced by Slater: -s d 3 r' e2 f'" cf> J(r')cf>;(r')cf> Ir-r'l ~c (r)cf> i(r) j (r) (5) , where the coefficient c (r) is calculated assuming the occupied wavefunction can be represented by an infinite Fermi gas in the vicinity of the point r. 984e 2 [n(r)p/3. (6) Once the Slater approximation is made to simplify the Hartree-Fock equation, it is tempting to make further changes in the interaction in order that the final energies converge better to the actual solution of the many-particle Schrodinger equation.

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Atomic and Nuclear Clusters: Proceedings of the Second International Conference at Santorini, Greece, June 28 – July 2, 1993 by Professor G. S. Anagnostatos, Professor Dr. W. von Oertzen (eds.)


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