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SUMMARY:Characterization of B003 AGATA detector in the SALSA setup
DTSTART;VALUE=DATE-TIME:20251120T083000Z
DTEND;VALUE=DATE-TIME:20251120T084500Z
DTSTAMP;VALUE=DATE-TIME:20260421T163301Z
UID:indico-contribution-29020@indico.ific.uv.es
DESCRIPTION:Speakers: Gala González Briz (University of Salamanca (USAL))
 \nAGATA (Advanced GAmma Tracking Array) is an European collaboration devot
 ed to developing a next-generation γ-ray spectrometer for nuclear structu
 re research at facilities employing both radioactive and stable ion beams.
  Once completed\, AGATA will consist of 180 high-purity germanium (HPGe) d
 etectors\, arranged in triple cluster structures (ATCs)\, providing an ove
 rall solid-angle coverage of approximately 82% of 4π. A distinctive featu
 re of AGATA detectors is their electrical segmentation design: each detect
 or comprises 36 isolated segments plus a central contact (core). This segm
 entation enables γ-ray tracking\, i.e.\, the reconstruction of the γ-ray
  interaction sequence within the crystal. Tracking significantly reduces b
 ackground without the need for antiCompton shielding and improves Doppler 
 correction\, enhancing\, as a result\, both system efficiency and energy r
 esolution. The interaction positions and the energies deposited by the pho
 tons within the crystal must be determined through pulse shape analysis (P
 SA) before tracking can be performed. Currently\, PSA involves comparing t
 he detector’s experimental pulse shapes with simulated responses. Within
  the collaboration\, four research groups are dedicated to the experimenta
 l characterization of AGATA detectors\, including the LRI-D laboratory at 
 the University of Salamanca (USAL). At USAL\, the characterization system 
 under development is based on the SALSA method (SAlamanca Lyso-Based Scann
 ing Array)\, which enables 3D scanning of AGATA detectors. This R&D techni
 que employs a position-sensitive γ-camera with 256 pixels and an actively
  collimated γ-ray beam. After performing scans in two different measureme
 nt configurations and comparing the resulting electrical pulse shapes (PSC
 )\, an experimental database is generated which correlates interaction pos
 itions within the crystal to the corresponding electrical responses of the
  AGATA detector. Nowadays\, the University of Salamanca is characterizing 
 the AGATA detector B003. The experimental setup and the measurements perfo
 rmed from two different configurations have been completed\, and ongoing e
 fforts focus on developing data-processing algorithms and software. Comple
 ted stages include matching between AGATA and the γ-camera events\, core 
 pulse-shape comparisons\, and filtering and signal treatment of the trigge
 red and neighbouring segments\, according to various criteria. Upcoming st
 ages involve analysing transient signals induced in neighbouring segments 
 and reconstructing the γ-ray trajectories to accurately determine the int
 eraction positions within the detector.\n\nhttps://indico.ific.uv.es/event
 /8035/contributions/29020/
LOCATION:
URL:https://indico.ific.uv.es/event/8035/contributions/29020/
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