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NEXT Collaboration (Alvarez, V. et al); Agramunt, J.; Ball, M.; Bayarri, J.; Carcel, S.; Cervera-Villanueva, A.; Diaz, J.; Ferrario, P.; Gil, A.; Gomez-Cadenas, J.J.; Gonzalez, K.; Liubarsky, I.; Lorca, D.; Martin-Albo, J.; Monrabal, F.; Muñoz Vidal, J.; Nebot-Guinot, M.; Perez, J.; Rodriguez, J.; Serra, L.; Sorel, M.; Yahlali, N. |
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Title |
SiPMs coated with TPB: coating protocol and characterization for NEXT |
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Journal Article |
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Year |
2012 |
Publication |
Journal of Instrumentation |
Abbreviated Journal |
J. Instrum. |
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Volume |
7 |
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Pages |
P02010 |
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Abstract |
Silicon photomultipliers (SiPM) are the photon detectors chosen for the tracking read-out in NEXT, a neutrinoless beta beta decay experiment which uses a high pressure gaseous xenon time projection chamber (TPC). The reconstruction of event track and topology in this gaseous detector is a key handle for background rejection. Among the commercially available sensors that can be used for tracking, SiPMs offer important advantages, mainly high gain, ruggedness, cost-effectiveness and radio-purity. Their main drawback, however, is their non sensitivity in the emission spectrum of the xenon scintillation (peak at 175 nm). This is overcome by coating these sensors with the organic wavelength shifter tetraphenyl butadiene (TPB). In this paper we describe the protocol developed for coating the SiPMs with TPB and the measurements performed for characterizing the coatings as well as the performance of the coated sensors in the UV-VUV range. |
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1748-0221 |
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WOS:000303940900076 |
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no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1028 |
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Author |
NEXT Collaboration (Adams, C. et al); Carcel, S.; Carrion, J.V.; Diaz, J.; Felkai, R.; Lopez-March, N.; Martin-Albo, J.; Martinez, A.; Martinez-Vara, M.; Muñoz Vidal, J.; Novella, P.; Palmeiro, B.; Romo-Luque, C.; Sorel, M.; Uson, A.; Yahlali, N. |
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Title |
Sensitivity of a tonne-scale NEXT detector for neutrinoless double-beta decay searches |
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Journal Article |
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Year |
2021 |
Publication |
Journal of High Energy Physics |
Abbreviated Journal |
J. High Energy Phys. |
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Volume |
08 |
Issue |
8 |
Pages |
164 - 24pp |
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Keywords |
Dark Matter and Double Beta Decay (experiments) |
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Abstract |
The Neutrino Experiment with a Xenon TPC (NEXT) searches for the neutrinoless double-beta (0 nu beta beta) decay of Xe-136 using high-pressure xenon gas TPCs with electroluminescent amplification. A scaled-up version of this technology with about 1 tonne of enriched xenon could reach in less than 5 years of operation a sensitivity to the half-life of 0 nu beta beta decay better than 10(27) years, improving the current limits by at least one order of magnitude. This prediction is based on a well-understood background model dominated by radiogenic sources. The detector concept presented here represents a first step on a compelling path towards sensitivity to the parameter space defined by the inverted ordering of neutrino masses, and beyond. |
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[Hauptman, J.] Iowa State Univ, Dept Phys & Astron, Ames, IA USA |
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Springer |
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English |
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1029-8479 |
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WOS:000694208600001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
4967 |
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NEMO-3 Collaboration (Argyriades, J. et al); Diaz, J.; Martin-Albo, J.; Monrabal, F.; Novella, P.; Serra, L.; Yahlali, N. |
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Title |
Spectral modeling of scintillator for the NEMO-3 and SuperNEMO detectors |
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Journal Article |
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Year |
2011 |
Publication |
Nuclear Instruments & Methods in Physics Research A |
Abbreviated Journal |
Nucl. Instrum. Methods Phys. Res. A |
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625 |
Issue |
1 |
Pages |
20-28 |
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Keywords |
Scintillation; Photomultiplier; Plastic scintillators; Optical photon transport; GEANT 4; Double beta decay |
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We have constructed a GEANT4-based detailed software model of photon transport in plastic sontillator blocks and have used it to study the NEMO-3 and SuperNEMO calorimeters employed in experiments designed to search for neutnnoless double beta decay We compare our simulations to measurements using conversion electrons from a calibration source of (BI)-B-207 and show that the agreement is improved if wavelength-dependent properties of the calorimeter are taken into account In this article we briefly describe our modeling approach and results of our studies. |
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[Lang, K.; Pahlka, R. B.] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA |
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Elsevier Science Bv |
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English |
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ISSN |
0168-9002 |
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Notes |
ISI:000285432400004 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
587 |
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Author |
HADES Collaboration (Lapidus, K. et al); Diaz, J.; Gil, A. |
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Title |
The HADES-at-FAIR project |
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Journal Article |
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Year |
2012 |
Publication |
Physics of Atomic Nuclei |
Abbreviated Journal |
Phys. Atom. Nuclei |
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Volume |
75 |
Issue |
5 |
Pages |
589-593 |
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After the completion of the experimental program at SIS18 the HADES setup will migrate to FAIR, where it will deliver high-quality data for heavy-ion collisions in an unexplored energy range of up to 8 A GeV. In this contribution, we briefly present the physics case, relevant detector characteristics and discuss the recently completed upgrade of HADES. |
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[Lapidus, K.; Chen, J. C.; Epple, E.; Fabbietti, L.; Lalik, R.; Muenzer, R.; Schmah, A.; Siebenson, J.] Excellence Cluster Origin & Struct Universe, Garching, Germany, Email: kirill.lapidus@ph.tum.de |
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Maik Nauka/Interperiodica/Springer |
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English |
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Edition |
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ISSN |
1063-7788 |
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Notes |
WOS:000304621800011 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
1046 |
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Author |
HADES Collaboration (Agakishiev, G. et al); Diaz, J.; Gil, A. |
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Title |
Lambda-p femtoscopy in collisions of Ar + KCl at 1.76AGeV |
Type |
Journal Article |
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Year |
2010 |
Publication |
Physical Review C |
Abbreviated Journal |
Phys. Rev. C |
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Volume |
82 |
Issue |
2 |
Pages |
021901 - 5pp |
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Abstract |
Results on Lambda p femtoscopy are reported at the lowest energy so far. At a beam energy of 1.76AGeV, the reaction Ar + KCl was studied with the High Acceptance Di-Electron Spectrometer ( HADES) at SIS18/GSI. A high-statistics and high-purity Lambda sample was collected, allowing for the investigation of Lambda p correlations at low relative momenta. The experimental correlation function is compared to corresponding model calculations allowing the determination of the space-time extent of the Lambda p emission source. The Lambda p source radius is found to be slightly smaller than the pp correlation radius for a similar collision system. The present Lambda p radius is significantly smaller than that found for Au + Au/Pb + Pb collisions in the AGS, SPS, and RHIC energy domains but larger than that observed for electroproduction from He. Taking into account all available data, we find the Lambda p source radius to increase almost linearly with the number of participants to the power of one-third. |
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Address |
[Finocchiaro, P.] Ist Nazl Fis Nucl, Lab Nazl Sud, I-95125 Catania, Italy, Email: kotte@fzd.de |
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Amer Physical Soc |
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English |
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ISSN |
0556-2813 |
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Notes |
ISI:000281017300001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ elepoucu @ |
Serial |
393 |
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