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HK: Fachverband Physik der Hadronen und Kerne

HK 18: Kernphysik / Spektroskopie

HK 18.1: Vortrag

Dienstag, 13. März 2007, 17:00–17:15, D

Studies of the (³He,t) reaction on ³²S and ⁴⁸Ca. — •J. H. Thies, H. Dohmann, E.-W. Grewe, and D. Frekers — Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, 48149 Münster

We have performed a ³²S(³He,t) experiment to probe the GT⁻ distribution in ³²Cl. The measurement was performed at RCNP in Osaka (Japan) using the 420 MeV ³He-beam and the high resolution WS Course beam line. An energy resolution of 70 keV was achieved. The character of the transition was identified by means of its angular distribution up to θ_lab=2.5^o. The (³He,t) reaction is an alternative to the (p,n) reaction and therefore should give identical results. The ⁴⁸Ca(³He,t)⁴⁸Sc was earlier performed at RCNP in 2005.

The extracted GT⁻ distribution in ³²Cl and ⁴⁸Ti were then compared to (p,n) measurements, performed by Anderson et al. at IUCF in 1985. The extracted GT⁻ strength shows, that both reactions give identical results near q = 0.