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SUMMARY:Dual gamma-neutron imaging device GN-Vision:  development of the f
 irst demonstrator and first field tests in BNCT
DTSTART;VALUE=DATE-TIME:20251120T091500Z
DTEND;VALUE=DATE-TIME:20251120T093000Z
DTSTAMP;VALUE=DATE-TIME:20260421T074709Z
UID:indico-contribution-29023@indico.ific.uv.es
DESCRIPTION:Speakers: Andrea Sanchis-Moltó (Instituto de Física Corpuscu
 lar)\nCompton imaging is a promising technique for Prompt Gamma (PG) imagi
 ng in range verification during hadron therapy (HT). In neutron monitoring
 \, however\, most existing systems register only integral off-field neutro
 n fluence values\, without providing information on the spatial origin. Du
 al neutron–gamma imaging is also of significant interest for application
 s in nuclear safety and security. To address these challenges\, we have de
 signed and patented an innovative dual neutron and γ-ray imaging system\,
  so-called GN-Vision\, which aims to overcome the current limitations in t
 hese fields. The device is compact\, portable\, and capable of simultaneou
 sly measuring and imaging γ-rays and slow neutrons\, from thermal energie
 s up to 100 eV.\nGN-Vision builds on the design of the previously develope
 d i-TED detector [1]\, an array of Compton cameras based on large monolith
 ic position-sensitive LaCl₃(Ce) crystals originally conceived for neutro
 n-capture experiments at CERN [2]. The applicability of i-TED has already 
 been demonstrated for range verification in ion-beam therapy [3\,4\,5] and
  for imaging-based dosimetry in Boron Neutron Capture Therapy (BNCT) [6\,7
 ]. In addition to these features\, GN-Vision incorporates a neutron–gamm
 a discriminating detector and a passive collimator to enable neutron imagi
 ng while preserving Compton γ-ray imaging capabilities.\nThe dual imaging
  functionality of GN-Vision was first conceptually demonstrated through Mo
 nte Carlo simulations [8]. More recently\, we have concentrated our resear
 ch on developing and validating the neutron imaging capability with a CLYC
 -based neutron-gamma discrimination detector [9]\, and on evaluating and o
 ptimizing the performance of the full prototype through detailed simulatio
 ns [10]. This contribution will summarize the latest experimental advances
  in this project\, with particular emphasis on the development and charact
 erization of the first demonstrator integrating both neutron and γ-ray im
 aging in a single device with compact electronics. Moreover\, this contrib
 ution will present the results of the first field tests performed in the c
 ontext of BNCT\, carried out at ILL [11] and at the research reactor in Pa
 via. Finally\, we will outline future plans for pilot experiments to valid
 ate the system in clinically and technologically relevant scenarios.\nRefe
 rences\n[1] C. Domingo-Pardo et al.\, Nucl. Phys. A 851\, 78-86 (2016)\n[2
 ] V. Babiano-Suárez et al.\, Eur. Phys. J. A 57\, 197 (2021) \n[3] J. Ler
 endegui-Marco et al.\, Sci Rep 12\, 2735 (2022)\n[4] J. Balibrea-Correa et
  al.\, Eur. Phys. J. Plus 137\, 1258 (2022)\n[5] J. Balibrea-Correa et al.
 \, Eur. Phys. J. Plus 140\, 870 (2025)\n[6] J. Lerendegui-Marco et al.\, A
 pp. Rad. Isot. 225\, 112009  (2025)\n[7] P. Torres-Sánchez et al.\,  App.
  Rad. Isot. 217\, 111649  (2025)\n[7] J. Lerendegui-Marco et al.\, EPJ Tec
 hn Instrum 11\, 2 (2024)\n[9] J. Lerendegui-Marco et al.\, Nucl. Inst. Met
 hods A 1079\, 170594  (2025)\n[10] J. Lerendegui-Marco et al.\, App. Rad. 
 Isot. 224\, 111826  (2025)\n[11] A. Sanchis-Moltó et al.\,  EPJ Web of Co
 nferences\, Proceedings ANIMMA (submitted) (2025)\n\nhttps://indico.ific.u
 v.es/event/8035/contributions/29023/
LOCATION:
URL:https://indico.ific.uv.es/event/8035/contributions/29023/
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