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A novel liquid argon purity monitor based on $^{207}$Bi
/ Baibussinov, B. (INFN, Padua) ; Bettini, M. (INFN, Padua) ; Fabris, F. (INFN, Padua) ; Gan, R. ; Guglielmi, A. (INFN, Padua) ; Gurung, G. (CERN ; Texas U., Arlington) ; Marchini, S. (INFN, Padua) ; Meng, G. (INFN, Padua) ; Nicoletto, M. (INFN, Padua) ; Pietropaolo, F. (CERN) et al.
A novel liquid argon purity monitor based on a 207 Bi radioactive source, emitting monochromatic internal-conversion electrons, is presented. [...]
arXiv:2411.10796.
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Study of charging-up of PCB planes for neutrino experiment readout
/ Baibussinov, B. (INFN, Padua) ; Bettini, M. (INFN, Padua) ; Fabris, F. (INFN, Padua) ; Guglielmi, A. (INFN, Padua) ; Marchini, S. (INFN, Padua) ; Meng, G. (INFN, Padua) ; Nicoletto, M. (INFN, Padua) ; Pietropaolo, F. (INFN, Padua ; CERN) ; Rampazzo, G. (INFN, Padua) ; Triozzi, R. (INFN, Padua) et al.
The use of double-faced, metallized, perforated PCB planes, segmented into strips for the anodic read-out of ionization signals in liquid argon TPCs, is emerging as a promising technology for charge readout in liquid argon TPCs used in large volume detectors.As a proof of concept, a prototype liquid Argon TPC hosting this new anode configuration based on single side perforated PCB planes has been constructed and exposed to cosmic rays at LNL in Italy. Tests were performed with both the metallized and insulating sides of the anode facing the drift volume, providing the first evidence of the focusing effect on drift electron trajectories through the PCB holes due to charge accumulation on the insulator surface..
arXiv:2407.19105.-
2024-11-14 - 12 p.
- Published in : JINST 19 (2024) P11012
Fulltext: 2407.19105 - PDF; document - PDF;
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Supersensitive multipurpose/multifunctional avalanche gaseous detectors for environmental, hazard, intrusion systems (SMART)
/ Abbrescia, Marcello (Bari U. ; INFN, Bari) ; De Cataldo, Giacinto (INFN, Bari ; CERN) ; di Mauro, Antonio (CERN) ; Martinengo, Paolo (CERN) ; Pastore, Cosimo (INFN, Bari) ; Peskov, Vladimir (CERN ; Moscow, Inst. Chem. Phys.) ; Pietropaolo, Francesco (CERN ; INFN, Padua) ; Volpe, Giacomo (INFN, Bari ; Bari U.) ; Rodionov, Alexey (Moscow, Inst. Chem. Phys. ; Unlisted, RU)
The aim of this work is to develop a prototype of integrated detector system to monitor environmental hazard: appearance of flames, smoke, sparks or dangerous gases (flammable, toxic, radioactive). [...]
arXiv:2011.07297.
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5 p.
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Demonstration of the light collection stability of a PEN-based wavelength shifting reflector in a tonne scale liquid argon detector
/ Gupta, V. (Amsterdam U. ; NIKHEF, Amsterdam) ; Araujo, G.R. (Zurich U.) ; Babicz, M. (Zurich U.) ; Baudis, L. (Zurich U.) ; Chiu, P.-J. (Zurich U.) ; Choudhary, S. (Warsaw, Copernicus Astron. Ctr.) ; Goldbrunner, M. (Munich, Tech. U.) ; Hamer, A. (Edinburgh U.) ; Kuźniak, M. (Warsaw, Copernicus Astron. Ctr.) ; Kuźwa, M. (Warsaw, Copernicus Astron. Ctr.) et al.
Liquid argon detectors rely on wavelength shifters for efficient detection of scintillation light. [...]
arXiv:2411.17934.
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Light Propagation in Liquid Argon
/ Babicz, M. (CERN ; Cracow, INP) ; Bordoni, S. (CERN) ; Fava, A. (Fermilab) ; Kose, U. (CERN) ; Nessi, M. (CERN) ; Pietropaolo, F. (CERN ; INFN, Padua) ; Raselli, G.L. (INFN, Pavia) ; Resnati, F. (CERN) ; Rossella, M. (INFN, Pavia) ; Sala, P. (CERN ; INFN, Milan) et al.
The propagation velocity of scintillation light in liquid argon $v_{g}$ at $\lambda \sim 128$~nm wavelength, has been measured for the first time in a dedicated experimental setup at CERN.\\ The obtained result $\frac{1}{v_{g}} = 7.46 \pm 0.08$~ns/m , is then used to derive the value of the refractive index (n) and the Rayleigh scattering length ($\mathcal{L}$) for liquid argon in the VUV region. For $\lambda = 128$~nm we found $n= 1.358 \pm 0.003$ and $\mathcal{L}= 99.1 \pm 2.3$~cm. [...]
arXiv:2002.09346; FERMILAB-PUB-20-397-ND.-
2020-09-08 - 21 p.
- Published in : JINST 15 (2020) P09009
Fulltext: 2002.09346 - PDF; fermilab-pub-20-397-nd - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server (fulltext available)
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New read-out electronics for ICARUS-T600 liquid Argon TPC. Description, simulation and tests of the new front-end and ADC system
/ ICARUS/NP01 Collaboration
The ICARUS T600, a liquid argon time projection chamber (LAr-TPC) detector mainly devoted to neutrino physics, underwent a major overhauling at CERN in 2016-2017, which included also a new design of the read-out electronics, in view of its operation in Fermilab on the Short Baseline Neutrino (SBN) beam from 2019. The new more compact electronics showed capability of handling more efficiently the signals also in the intermediate Induction 2 wire plane with a significant increase of signal to noise (S/N), allowing for charge measurement also in this view. [...]
arXiv:1805.03931; FERMILAB-PUB-18-211-ND.-
2018-12-04 - 16 p.
- Published in : JINST 13 (2018) P12007
Fulltext: fulltext1672528 - PDF; fulltext1697671 - PDF; Fulltext from Publisher: PDF;
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Evaluation of high sensitivity flat-panel gaseous detectors of flames, sparks and smoke
/ Abbrescia, M (Bari U. ; INFN, Bari) ; Cataldo, G De (INFN, Bari) ; Mauro, A Di (CERN) ; Martinengo, P (CERN) ; Pastore, C (INFN, Bari) ; Peskov, V (CERN ; Moscow, Inst. Chem. Phys.) ; Pietropaolo, F (CERN ; INFN, Padua) ; Volpe, G (Bari U. ; INFN, Bari) ; Rodionov, A (Moscow, Inst. Chem. Phys.)
The early detection of dangerous events, such as large-scale fires, is critical to prevent the subsequent loss in term of human lives and damage to infrastructure. Here we report about the latest evaluation of the performance of solar blind flat-panel sensors developed by us, for the detection of flames, sparks and smoke. [...]
2020 - 25 p.
- Published in : JINST 15 (2020) T12001
Fulltext: PDF;
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