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SUMMARY:Preparing for commissioning of the gamma beams at ELI-NP: Results 
 of recent studies
DTSTART:20260923T023000Z
DTEND:20260923T040000Z
DTSTAMP:20261003T000700Z
UID:indico-event-5300@indico-tdli.sjtu.edu.cn
DESCRIPTION:Speakers: Dimiter L. Balabanski (Institute for Nuclear Physics
  "Horia Hulubei")\n\nAbstract:\nFirst gamma beams at ELI-NP are expected t
 o be delivered in early 2027. While waiting for this event\, the experimen
 tal setup have been constructed and a large number of physics studies\, wh
 ich complement the ELI-NP gamma-beam physics program\, were performed. For
  example\, in the period 2022-2025 four experimental campaigns were carrie
 d out at the 9 MW tandem accelerator of IFIN-HH using the largevolume LaBr
 3:Ce and CeBr3 detectors of the ELIGANT-GN array which were placed in the 
 anti-Compton shields of the ROSPHERE array [1]. As a result\, a high-effic
 ient spectrometer\, nick-named ELIFANT\, was assembled for detection of hi
 gh-energy gamma rays. ELIFANT was coupled to a Si DSSD placed at either fo
 rward\, or backward angles. In the experiments\, nuclear level densities a
 nd γ-strength functions\, were studied\, as well as weak γ-ray transitio
 ns in light nuclei. In addition\, (d\,p) reactions were explored for popul
 ation of PDR excitations in 54Cr and 62Ni. In the talk the performance of 
 the spectrometer will be described\, the goals of the campaigns will be su
 mmarized and first results will be presented\, the γ-ray spectroscopy in 
 10B [2]\, the γ-strength functions in 112\,114Sn [3] and first results fr
 om the (d\,p) experiments. The ELIGANT-GN array was also used to study neu
 tron and γ-ray angular and energy correlations in spontaneous fission of 
 252Cf [4]. In the talk\, measured double or triple neutron correlations wi
 ll be reported. Finally\, the 4π Si DSSD array\, ELISSA\, was used for cr
 oss-section measurements of chargedparticle reactions of astrophysics inte
 rest. Results from such experiments at ELI-NP\, the INFN LNS\, and HIγS\,
  Duke University will be presented.\nBiography:\n1993 Doctor degree in Nuc
 lear Physics\, St. Kliment Ohridski University of Sofia\, Bulgaria\;\nsinc
 e 2013: ELI-NP\, IFIN-HH\, Romania\, Senior Researcher CS I\n2007 – 2013
 : INRNE\, Bulgarian Academy of Sciences\, Senior Researcher\n2004 – 2007
 : INRNE\, Bulgarian Academy of Sciences\, Researcher\n2004 – 2006: Unive
 rsity of Camerino\, Italy\, Professor\n1980 – 2003: Faculty of Physics\,
  St. Kliment Ohridsky University of Sofia\, Bulgaria: 1996 – Associate P
 rofessor\; 1985 – Assistant Professor\; 1980 – Researcher\nPrizes and 
 awards: The Horia Hulubei Prize of the Romanian Academy of Sciences (2020)
 \, the Pythagoras Prize of the Bulgarian Ministry of Education\, Youth and
  Science for an Established Scientist in the field of Natural Sciences and
  Mathematics (2009)\, NATO Research Fellow (1997)\, IAEA Research Fellow (
 1987).\nHost: Prof. Yifei Niu\nAlternative online link: https://meeting.te
 ncent.com/dm/V2IWwXlASlrw\nID: 848121248   Password: 123456\n\nhttps://i
 ndico-tdli.sjtu.edu.cn/event/5300/
LOCATION:5#/6th-603 - Meeting Room 603 (Science Building)
URL:https://indico-tdli.sjtu.edu.cn/event/5300/
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