Journal article
Helium–Xenon mixtures to improve the topological signature in high pressure gas xenon TPCs
Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, Vol.905(C), pp.82-90
10/11/2018
DOI: 10.1016/j.nima.2018.07.013
Abstract
Within the framework of xenon-based double beta decay experiments, we propose the possibility to improve the background rejection of an electroluminescent Time Projection Chamber (EL TPC) by reducing the diffusion of the drifting electrons while keeping nearly intact the energy resolution of a pure xenon EL TPC. Based on state-of-the-art microscopic simulations, a substantial addition of helium, around 10 or 15 %, may reduce drastically the transverse diffusion down to 2.5 mm/m from the 10.5 mm/m of pure xenon. The longitudinal diffusion remains around 4 mm/m. Light production studies have been performed as well. They show that the relative variation in energy resolution introduced by such a change does not exceed a few percent, which leaves the energy resolution practically unchanged. The technical caveats of using photomultipliers close to an helium atmosphere are also discussed in detail.
Details
- Title: Subtitle
- Helium–Xenon mixtures to improve the topological signature in high pressure gas xenon TPCs
- Creators
- R. Felkai - Instituto de Física CorpuscularF. Monrabal - Donostia International Physics CenterD. González-Díaz - Instituto Gallego de Física de Altas Energías, Univ. de Santiago de Compostela Campus sur, Rúa Xosé María Suárez Núñez, s/n, 15782 Santiago de Compostela, SpainM. Sorel - Instituto de Física CorpuscularN. López-March - Instituto de Física CorpuscularJ.J. Gómez-Cadenas - Donostia International Physics CenterC. Adams - Harvard UniversityV. Álvarez - Instituto de Física CorpuscularL. Arazi - Ben-Gurion University of the NegevC.D.R. Azevedo - University of AveiroJ.M. Benlloch-Rodríguez - Instituto de Física CorpuscularF.I.G.M. Borges - University of CoimbraA. Botas - Instituto de Física CorpuscularS. Cárcel - Instituto de Física CorpuscularJ.V. Carrión - Instituto de Física CorpuscularS. Cebrián - Universidad de ZaragozaC.A.N. Conde - University of CoimbraJ. Díaz - Instituto de Física CorpuscularM. Diesburg - Fermi National Accelerator LaboratoryJ. Escada - University of CoimbraR. Esteve - Fermi National Accelerator LaboratoryL.M.P. Fernandes - University of CoimbraP. Ferrario - Instituto de Física CorpuscularA.L. Ferreira - Instituto de Física CorpuscularE.D.C. Freitas - University of CoimbraA. Goldschmidt - Lawrence Berkeley National LaboratoryR. Guenette - Fermi National Accelerator LaboratoryR.M. Gutiérrez - Universidad Antonio NariñoK. Hafidi - Instituto de Física CorpuscularJ. Hauptman - University of CoimbraC.A.O. Henriques - University of CoimbraA.I. Hernandez - Instituto de Física CorpuscularJ.A. Hernando Morata - Instituto Gallego de Física de Altas Energías, Univ. de Santiago de Compostela Campus sur, Rúa Xosé María Suárez Núñez, s/n, 15782 Santiago de Compostela, SpainV. Herrero - Instituto de Física CorpuscularS. Johnston - University of CoimbraB.J.P. Jones - The University of Texas at ArlingtonL. Labarga - Instituto de Física CorpuscularA. Laing - Instituto de Física CorpuscularP. Lebrun - The University of Texas at ArlingtonM. Losada - Fermi National Accelerator LaboratoryJ. Martín-Albo - University of CoimbraG. Martínez-Lema - Fermi National Accelerator LaboratoryA. Martínez - Instituto de Física CorpuscularA.D. McDonald - University of CoimbraC.M.B. Monteiro - University of CoimbraF.J. Mora - Instituto de Instrumentación para Imagen MolecularL.M. Moutinho - Institute of Nanostructures, Nanomodelling and Nanofabrication (i3N), Universidade de Aveiro Campus de Santiago, 3810193 Aveiro, PortugalJ. Muñoz Vidal - Instituto de Física CorpuscularM. Musti - Fermi National Accelerator LaboratoryM. Nebot-Guinot - Fermi National Accelerator LaboratoryP. Novella - The University of Texas at ArlingtonD.R. Nygren - Instituto de Física CorpuscularB. Palmeiro - Fermi National Accelerator LaboratoryA. Para - Fermi National Accelerator LaboratoryJ. Pérez - University of CoimbraM. Querol - Fermi National Accelerator LaboratoryJ. Renner - University of CoimbraJ. Repond - University of CoimbraS. Riordan - University of CoimbraL. Ripoll - Instituto de Física CorpuscularC. Romo-Luque - University of CoimbraJ. Rodríguez - Instituto de Física CorpuscularL. Rogers - Instituto de Física CorpuscularF.P. Santos - University of CoimbraJ.M.F. dos Santos - University of CoimbraA. Simón - Instituto de Física CorpuscularC. Sofka - University of CoimbraT. Stiegler - Instituto de Física CorpuscularJ.F. Toledo - Instituto de Instrumentación para Imagen MolecularJ. Torrent - University of CoimbraZ. Tsamalaidze - Instituto de Física CorpuscularJ.F.C.A. Veloso - Institute of Nanostructures, Nanomodelling and Nanofabrication (i3N), Universidade de Aveiro Campus de Santiago, 3810193 Aveiro, PortugalR. Webb - Fermi National Accelerator LaboratoryJ.T. White - Department of Physics and Astronomy, Texas A&M University, College Station, TX 77843-4242, USAN. Yahlali - University of Coimbra
- Resource Type
- Journal article
- Publication Details
- Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, Vol.905(C), pp.82-90
- DOI
- 10.1016/j.nima.2018.07.013
- ISSN
- 0168-9002
- eISSN
- 1872-9576
- Publisher
- Elsevier B.V
- Language
- English
- Date published
- 10/11/2018
- Academic Unit
- Physics and Astronomy
- Record Identifier
- 9984627283302771
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