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Article
Report number arXiv:1504.03678
Title Accurate gamma and MeV-electron track reconstruction with an ultra-low diffusion Xenon/TMA TPC at 10 atmospheres
Author(s)

González-Díaz, Diego (Zaragoza U. ; LSC, Canfranc ; CERN) ; Álvarez, V. (Valencia U., IFIC) ; Borges, F.I.G. (Coimbra U.) ; Camargo, M. (Antonio Narino U.) ; Cárcel, S. (Valencia U., IFIC) ; Cebrián, S. (Zaragoza U. ; LSC, Canfranc) ; Cervera, A. (Valencia U., IFIC) ; Conde, C.A.N. (Coimbra U.) ; Dafni, T. (Zaragoza U. ; LSC, Canfranc) ; Díaz, J. (Valencia U., IFIC) ; Esteve, R. (Valencia, Polytechnic U.) ; Fernandes, L.M.P. (Coimbra U.) ; Ferrario, P. (Valencia U., IFIC) ; Ferreira, A.L. (Aveiro U.) ; Freitas, E.D.C. (Coimbra U.) ; Gehman, V.M. (LBNL, Berkeley) ; Goldschmidt, A. (LBNL, Berkeley) ; Gómez-Cadenas, J.J. (Valencia U., IFIC) ; Gutiérrez, R.M. (Antonio Narino U.) ; Hauptman, J. (Iowa State U.) ; Hernando Morata, J.A. (Santiago de Compostela U., IGFAE) ; Herrera, D.C. (Zaragoza U. ; LSC, Canfranc) ; Irastorza, I.G. (Zaragoza U. ; LSC, Canfranc) ; Labarga, L. (Madrid, Autonoma U.) ; Laing, A. (Valencia U., IFIC) ; Liubarsky, I. (Valencia U., IFIC) ; Lopez-March, N. (Valencia U., IFIC) ; Lorca, D. (Valencia U., IFIC) ; Losada, M. (Antonio Narino U.) ; Luzón, G. (Zaragoza U. ; LSC, Canfranc) ; Marí, A. (Valencia, Polytechnic U.) ; Martín-Albo, J. (Valencia U., IFIC) ; Martínez-Lema, G. (Santiago de Compostela U., IGFAE) ; Martínez, A. (Valencia U., IFIC) ; Miller, T. (LBNL, Berkeley) ; Monrabal, F. (Valencia U., IFIC) ; Monserrate, M. (Valencia U., IFIC) ; Monteiro, C.M.B. (Coimbra U.) ; Mora, F.J. (Valencia, Polytechnic U.) ; Moutinho, L.M. (Aveiro U.) ; Muñoz Vidal, J. (Valencia U., IFIC) ; Nebot-Guinot, M. (Valencia U., IFIC) ; Nygren, D. (LBNL, Berkeley) ; Oliveira, C.A.B. (LBNL, Berkeley) ; Pérez, J. (Madrid, IFT) ; Pérez Aparicio, J.L. (Valencia, Polytechnic U.) ; Querol, M. (LBNL, Berkeley) ; Renner, J. (LBNL, Berkeley) ; Ripoll, L. (Girona U.) ; Rodríguez, J. (Valencia U., IFIC) ; Santos, F.P. (Coimbra U.) ; dos Santos, J.M.F. (Coimbra U.) ; Serra, L. (Valencia U., IFIC) ; Shuman, D. (LBNL, Berkeley) ; Simón, A. (Valencia U., IFIC) ; Sofka, C. (Texas A-M) ; Sorel, M. (Valencia U., IFIC) ; Toledo, J.F. (Valencia, Polytechnic U.) ; Torrent, J. (Girona U.) ; Tsamalaidze, Z. (Dubna, JINR) ; Veloso, J.F.C.A. (Aveiro U.) ; Villar, J.A. (Zaragoza U. ; LSC, Canfranc) ; Webb, R. (Texas A-M) ; White, J.T. (Texas A-M) ; Yahlali, N. (Valencia U., IFIC) ; Azevedo, C. (Aveiro U.) ; Aznar, F. (Zaragoza U. ; LSC, Canfranc) ; Calvet, D. (IRFU, Saclay) ; Castel, J. (Zaragoza U. ; LSC, Canfranc) ; Ferrer-Ribas, E. (IRFU, Saclay) ; García, J.A. (Zaragoza U. ; LSC, Canfranc) ; Giomataris, I. (IRFU, Saclay) ; Gómez, H. (Zaragoza U. ; LSC, Canfranc) ; Iguaz, F.J. (Zaragoza U. ; LSC, Canfranc) ; Lagraba, A. (Zaragoza U.) ; Le Coguie, A. (IRFU, Saclay) ; Mols, J.P. (IRFU, Saclay) ; Şahin, Ö. (Uludag U.) ; Rodríguez, A. (Zaragoza U. ; LSC, Canfranc) ; Ruiz-Choliz, E. (Zaragoza U. ; LSC, Canfranc) ; Segui, L. (Zaragoza U. ; LSC, Canfranc) ; Tomás, A. (Zaragoza U. ; LSC, Canfranc) ; Veenhof, R. (Uludag U. ; CERN)

Publication 2015-12-21
Imprint 14 Apr 2015
Number of pages 17
In: Nucl. Instrum. Methods Phys. Res., A 804 (2015) 8-24
DOI 10.1016/j.nima.2015.08.033
Subject category Detectors and Experimental Techniques
Abstract We report the performance of a 10 atm Xenon/trimethylamine time projection chamber (TPC) for the detection of X-rays (30 keV) and gamma-rays (0.511-1.275 MeV) in conjunction with the accurate tracking of the associated electrons. When operated at such a high pressure and in 1%-admixtures, trimethylamine (TMA) endows Xenon with an extremely low electron diffusion (1.3 +-0.13 mm-sigma (longitudinal), 0.8 +-0.15 mm-sigma (transverse) along 1 m drift) besides forming a convenient Penning-Fluorescent mixture. The TPC, that houses 1.1 kg of gas in its active volume, operated continuously for 100 live-days in charge amplification mode. The readout was performed through the recently introduced microbulk Micromegas technology and the AFTER chip, providing a 3D voxelization of 8mm x 8mm x 1.2mm for approximately 10 cm/MeV-long electron tracks. This work was developed as part of the R&D program of the NEXT collaboration for future detector upgrades in the search of the 0bbnu decay in 136Xe, specifically those based on novel gas mixtures. Therefore we ultimately focus on the calorimetric and topological properties of the reconstructed MeV-electron tracks.
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