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Pionic Fusion Study of the 6He Halo
Stockholm University, Faculty of Science, Department of Physics.
2006 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

The structure of the halo nucleus 6He has been investigated in a pionic fusion experiment at the CELSIUS storage ring facility in Uppsala. The 4He(d, 6He)π+ reaction was studied 0.6 - 5.0 MeV above threshold in the centre-of-mass frame with a deuteron beam incident on a 4He gas target. The 6He ions were detected in a ΔE - E solid-state detector telescope inserted into the CELSIUS ring. The results for the total and differential cross section are presented and compared to results for the analogue reaction producing the 3.56 MeV analogue state in 6Li. A simple model of the reaction gives results consistent with earlier findings of 6He as having a spatial extent considerably exceeding that of the alpha particle. It is also shown that information about the high momentum part of the halo wave function can be extracted from the results of this pionic fusion measurement.

Place, publisher, year, edition, pages
Stockholm: Fysikum , 2006. , 60 p.
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-1356ISBN: 91-7155-342-8 (print)OAI: oai:DiVA.org:su-1356DiVA: diva2:189942
Public defence
2006-12-15, sal FA32, AlbaNova universitetscentrum, Roslagstullsbacken 21, Stockholm, 10:00
Opponent
Supervisors
Available from: 2006-11-14 Created: 2006-11-14Bibliographically approved
List of papers
1. Pionic Fusion Study of the 6He Halo
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2006 In: Nuclear Physics A, Vol. 779, 47-62 p.Article in journal (Refereed) Published
Identifiers
urn:nbn:se:su:diva-23029 (URN)
Note
Part of urn:nbn:se:su:diva-1356Available from: 2006-11-14 Created: 2006-11-14Bibliographically approved
2. Study of the Pionic Fusion Reaction 3He + 3He → 6Li* + π+ at CELSIUS
Open this publication in new window or tab >>Study of the Pionic Fusion Reaction 3He + 3He → 6Li* + π+ at CELSIUS
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2003 In: Physica Scripta, Vol. T104, 105-106 p.Article in journal (Refereed) Published
Identifiers
urn:nbn:se:su:diva-23030 (URN)
Note
Part of urn:nbn:se:su:diva-1356Available from: 2006-11-14 Created: 2006-11-14Bibliographically approved

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Citation style
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