Springer : Preliminary results on the long-term operation of RPCs with eco-friendly gas mixtures under irradiation at the CERN Gamma Irradiation Facility

Quaglia, L.; Ferretti, A.; Bordon, F.; Ramirez, D. Lucero; Pastori, E.; Camarri, P.; Saviano, G.; Romano, M.; Manen, S.P.; Simone, S.; Piccolo, D.; Busato, M.; Eysermans, J.; Massa, L.; Salvini, P.; Di Ciacco, A.; Bruni, A.; Tytgat, M.; Pugliese, G.; Joly, B.; Proto, G.; Buontempo, S.; Ramos, D.; Garetti, S.; Polini, A.; Aly, R.; Juks, S.A.; Dupieux, P.; Galati, G.; Samalan, A.; Sessa, M.; Rigoletti, G.; Pastore, A.; Cardarelli, R.; Santonico, R.; Di Stante, L.; Abbrescia, M.; Iaselli, G.; Benussi, L.; Verzeroli, M.; Mandelli, B.; Lee, K.S.; Liberti, B.; Congedo, L.; Barroso, M.; Bianco, S.; Vercellin, E.; De Serio, M.; Pizzimento, L.; Aielli, G.; Arena, M.C.; Zaganidis, N.; Gagliardi, M.; Rocchi, A.; Boscherini, D.; De Jesus Damiao, D.; Guida, R.; Terlizzi, L.

doi:10.1140/epjp/s13360-024-05773-0

Article
Report number	arXiv:2311.17574
Title	Preliminary results on the long-term operation of RPCs with eco-friendly gas mixtures under irradiation at the CERN Gamma Irradiation Facility
Author(s)	Quaglia, L. (INFN, Turin) ; Ramos, D. (Bari U. ; Bari Polytechnic ; INFN, Bari) ; Abbrescia, M. (Bari U. ; INFN, Bari) ; Aielli, G. (Rome U., Tor Vergata) ; Aly, R. (INFN, Bari ; Cairo U.) ; Arena, M.C. (INFN, Pavia) ; Barroso, M. (Rio de Janeiro State U.) ; Benussi, L. (Frascati) ; Bianco, S. (Frascati) ; Boscherini, D. (INFN, Bologna) ; Bordon, F. (CERN) ; Bruni, A. (INFN, Bologna) ; Buontempo, S. (INFN, Naples ; Naples U.) ; Busato, M. (CERN) ; Camarri, P. (Rome U., Tor Vergata) ; Cardarelli, R. (INFN, Rome2) ; Congedo, L. (INFN, Bari) ; De Jesus Damiao, D. (Rio de Janeiro State U.) ; De Serio, M. (Bari U. ; INFN, Bari) ; Di Ciacco, A. (Rome U., Tor Vergata) ; Di Stante, L. (Rome U., Tor Vergata) ; Dupieux, P. (LPC, Clermont-Ferrand) ; Eysermans, J. (MIT) ; Ferretti, A. (Turin U. ; INFN, Turin) ; Galati, G. (Bari U. ; INFN, Bari) ; Gagliardi, M. (Turin U. ; INFN, Turin) ; Garetti, S. (Turin U. ; INFN, Turin) ; Guida, R. (CERN) ; Iaselli, G. (Bari U. ; Bari Polytechnic ; INFN, Bari) ; Joly, B. (LPC, Clermont-Ferrand) ; Juks, S.A. (U. Paris-Saclay) ; Lee, K.S. (Korea U.) ; Liberti, B. (INFN, Rome2) ; Ramirez, D. Lucero (UNAM, Morelia, Inst. Math.) ; Mandelli, B. (CERN) ; Manen, S.P. (LPC, Clermont-Ferrand) ; Massa, L. (INFN, Bologna) ; Pastore, A. (INFN, Bari) ; Pastori, E. (INFN, Rome2) ; Piccolo, D. (Frascati) ; Pizzimento, L. (INFN, Rome2) ; Polini, A. (INFN, Bologna) ; Proto, G. (INFN, Rome2) ; Pugliese, G. (Bari U. ; Bari Polytechnic ; INFN, Bari) ; Rigoletti, G. (CERN) ; Rocchi, A. (INFN, Rome2) ; Romano, M. (INFN, Bologna) ; Samalan, A. (Gent U.) ; Salvini, P. (INFN, Pavia) ; Santonico, R. (Rome U., Tor Vergata) ; Saviano, G. (INFN, Rome) ; Sessa, M. (INFN, Rome2) ; Simone, S. (Bari U. ; INFN, Bari) ; Terlizzi, L. (Turin U. ; INFN, Turin) ; Tytgat, M. (Gent U. ; Brussels U., IIHE) ; Vercellin, E. (Turin U. ; INFN, Turin) ; Verzeroli, M. (IP2I, Lyon) ; Zaganidis, N. (UNAM, Morelia, Inst. Math.) RPC ECOgas@GIF++ Collaboration 显示全部 58 名作者
Publication	2025-01-15
Imprint	2023-11-29
Number of pages	16
In:	Eur. Phys. J. Plus 140 (2025) 40
DOI	10.1140/epjp/s13360-024-05773-0
Subject category	hep-ex ; Particle Physics - Experiment ; physics.ins-det ; Detectors and Experimental Techniques
Abstract	Since 2019 a collaboration between researchers from various institutes and experiments (i.e. ATLAS, CMS, ALICE, LHCb/SHiP and the CERN EP-DT group), has been operating several RPCs with diverse electronics, gas gap thicknesses and detector layouts at the CERN Gamma Irradiation Facility (GIF++). The studies aim at assessing the performance of RPCs when filled with new eco-friendly gas mixtures in avalanche mode and in view of evaluating possible ageing effects after long high background irradiation periods, e.g. High-Luminosity LHC phase. This challenging research is also part of a task of the European AidaInnova project. A promising eco-friendly gas identified for RPC operation is the tetrafluoruropropene (C $_{3}$ H $_{2}$ F $_{4}$ , commercially known as HFO-1234ze) that has been studied at the CERN GIF++ in combination with different percentages of CO $_2$ . Between the end of 2021 and 2022 several beam tests have been carried out to establish the performance of RPCs operated with such mixtures before starting the irradiation campaign for the ageing study. Results of these tests for different RPCs layouts and different gas mixtures, under increasing background rates are presented here, together with the preliminary outcome of the detector ageing tests.
Copyright/License	publication: © 2024-2025 The Author(s) (License: CC-BY-4.0) preprint: (License: CC BY 4.0)

$Sketch of the GIF++ bunker with the two mechanical supports highlighted in black, internal scintillators in blue and external ones in red. The black arrow represents the direction of the muon beam. The $^{\text{137}}$Cs source is also circled in green. The red lines show the aperture of the irradiation field$ $Hit time profile obtained with the CMS RE11 RPC when flushed with the STD gas mixture at 90\% efficiency. Left panel: source-off condition. Right panel: highest possible (irradiator fully opened) $\gamma$ background condition$ $: \empty$ Show more plots

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记录创建於2023-12-05，最後更新在2025-02-13

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