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Title: Search for {alpha}-states in {sup 13}C via elastic resonant scattering of {alpha} particles on {sup 9}Be

We will discuss new experimental data concerning the elastic resonant scattering of {alpha}-particles on {sup 9}Be nuclei at bombarding energies from 3.5 MeV up to 9.9 MeV. Several excitation functions have been obtained at different polar angles, mainly in the backward hemisphere in the centre of mass frame. Excitation functions show various anomalies that can be linked to the presence of various excited states in the {sup 13}C compound nucleus. In the literature, some of these states have been proposed to belong to rotational bands built on deformed a-cluster excited state. Unfortunately, up to date the spin-parity assignment of many of these states is doubtful. The set of excitation functions we obtained from the present experiment can contribute to improve spectroscopy of highling excited states of {sup 13}C.
Authors:
; ; ; ;  [1]
  1. Dipartimento di Scienze Fisiche dell'Universita di Napoli Federico II INFN - Sezione di Napoli, Napoli (Italy)
Publication Date:
OSTI Identifier:
22121658
Resource Type:
Journal Article
Resource Relation:
Journal Name: AIP Conference Proceedings; Journal Volume: 1530; Journal Issue: 1; Conference: ION BEAMS '12: International conference on multidisciplinary applications of nuclear physics with ion beams, Legnaro, Padova (Italy), 6-8 Jun 2012; Other Information: (c) 2013 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ALPHA PARTICLES; BERYLLIUM 9; CARBON 13; COMPOUND NUCLEI; EXCITATION FUNCTIONS; EXPERIMENTAL DATA; MEV RANGE 01-10; RESONANCE SCATTERING; ROTATIONAL STATES; SPECTROSCOPIC FACTORS; SPECTROSCOPY