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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2026-06-11 23:58 |
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Conference: Bucharest University Faculty of Physics 2026 Meeting
Section: Nuclear and Elementary Particles Physics
Title:
Development of a new detection system dedicated to measuring the inelastic scattering cross section at n_TOF
Authors:
A. CRISTESCU (1), M. BACAK (2), M. BIRCH (3), M. BOROMIZA (1), L. COJOCARU (1), M. DIETZ (4), A. GANDHI (1), E. LASISCH (2), G. LORUSSO (5), C. NEACSU (1), A. NEGRET (1), K. Odegard DALBY (6), O. ABERLE (6), C. PETRONE (1), T. WRIGHT (3)
Affiliation:
(1) Horia Hulubei National Institute for Physics and Nuclear Engineering (IFIN-HH)
(2) Technische Universität Wien (TU Wien), Atominstitut
(3) Department of Physics and Astronomy, The University of Manchester
(4) Physikalisch-Technische Bundesanstalt (PTB)
(5) National Physical Laboratory (NPL)
(6) European Organization for Nuclear Research (CERN)
E-mail
andrei.cristescu@nipne.ro
Keywords:
nuclear physics, neutron inelastic scattering, gamma spectroscopy, time of flight, detection system, 28Si, n_TOF, CERN
Abstract:
This presentation describes the development and commissioning of a new experimental setup based on LaBr3(Ce) detectors for measuring inelastic neutron scattering cross sections at the n_TOF facility at CERN.
I will start by presenting the n_TOF facility at CERN, the time-of-flight technique, and the gamma flash issue.
Two tests were conducted at IFIN-HH before sending the LaBr3(Ce) detectors to CERN: one dedicated to studying the gamma flash effect on the detectors, and one focused on the gain drift induced by very high count rates.
The final part of the presentation is devoted to an experiment performed at the n_TOF facility, which aims to validate the newly commissioned setup by measuring the inelastic neutron scattering cross section on 28Si. A brief overview of the experimental setup, efficiency studies, and a very preliminary data analysis are presented. The results will extend the neutron inelastic cross section of 28Si to higher energies relevant for space applications.
Acknowledgement:
This project has received funding from the European Union’s Horizon Europe research and innovation programme under grant agreement No 101057511.
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