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SUMMARY:First spectroscopic study of 51Ar by the (p\,2p) reaction
DTSTART;VALUE=DATE-TIME:20240528T173000Z
DTEND;VALUE=DATE-TIME:20240528T190000Z
DTSTAMP;VALUE=DATE-TIME:20261012T154832Z
UID:indico-contribution-23150@indico.ific.uv.es
DESCRIPTION:Speakers: Marcell Juhász (HUN-REN Institute for Nuclear Resea
 rch)\nThe nuclear structure of 51Ar\, an uncharted territory so far\, was 
 studied by the (p\,2p) reaction using γ-ray spectroscopy for the bound st
 ates and the invariant mass method for the unbound states. Two peaks were 
 detected in the γ-ray spectrum and six peaks were observed in the 50Ar + 
 n relative energy spectrum. Comparing the results to our shell-model calcu
 lations\, two bound and six unbound states were established. Three of the 
 unbound states could only be placed tentatively due to the low number of c
 ounts in the relative energy spectrum of events associated with the decay 
 through the first excited state of 50Ar. The low cross sections populatin
 g the two bound states of 51Ar could be interpreted as a clear signature f
 or the presence of significant subshell closures at neutron numbers 32 an
 d 34 in argon isotopes. It was also revealed that due to the two valence h
 oles\, unbound collective states coexist with individual-particle states i
 n 51Ar.\n\nhttps://indico.ific.uv.es/event/7332/contributions/23150/
LOCATION:ADEIT - Valencia
URL:https://indico.ific.uv.es/event/7332/contributions/23150/
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