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Kinematic identification of the t branch in the decay of 11Li

M. Madurga ; M. Borge ; M. Alcorta ; L. Fraile ; H. Fynbo ; Björn Jonson (Institutionen för fundamental fysik, Subatomär fysik) ; O. Kirsebom ; Thomas Nilsson (Institutionen för fundamental fysik, Subatomär fysik) ; Göran Nyman (Institutionen för fundamental fysik, Subatomär fysik) ; A. Perea ; K. Riisager ; Olof Tengblad ; Elisabeth Tengborn (Institutionen för fundamental fysik, Subatomär fysik) ; J. Van der Walle
The European Physical Journal A - Hadrons and Nuclei (1434-6001). Vol. 42 (2009), 3, p. 415-419.
[Artikel, refereegranskad vetenskaplig]

The -delayed 8 Li + t branch of the 11Li decay was identified via kinematical analysis of the charged particles observed in coincidence. The back-to-back events observed in a narrow angular acceptance were compared to a Monte Carlo simulation. The 8 Li + t sum energy spectrum was fitted assuming that the decay occurs through an intermediate state in 11Be . The resulting energy centroid and full-width half maximum for the intermediate state are 18.35(30)MeV and 1.5(4)MeV, respectively. The -delayed 8 Li + t branching ratio obtained from the coincidence spectrum, BR t = 0.93(8)×10-4 , is in agreement with previous measurements but more precise.

Denna post skapades 2010-02-08. Senast ändrad 2014-09-02.
CPL Pubid: 111676


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Institutioner (Chalmers)

Institutionen för fundamental fysik, Subatomär fysik (2005-2013)



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