Calibration of the NEXT-White detector using 83mKr decays

Martínez-Lema, G.; Morata, J. A.  Hernando; Palmeiro, B.; Botas, A.; Ferrario, P.; Monrabal, F.; Laing, A.; Renner, J.; Simón, A.; Para, A.; Gómez-Cadenas, J. J.; Adams, C.; Álvarez, V.; Arazi, L.; Azevedo, C. D. R.; Bailey, K.; Ballester, F.; Benlloch-Rodríguez, J. M.; Borges, F. I. G. M.; Cárcel, S.; Carrión, J. V.; Cebrián, S.; Conde, C. A. N.; Díaz, J.; Diesburg, M.; Escada, J.; Esteve, R.; Felkai, R.; Fernandes, A. F. M.; Fernandes, L. M. P.; Ferreira, A. L.; Freitas, E. D. C.; Generowicz, J.; Goldschmidt, A.; González-Díaz, D.; Guenette, R.; Gutiérrez, R. M.; Hafidi, K.; Hauptman, J.; Henriques, C. A. O.; Hernandez, A. I.; Herrero, V.; Johnston, S.; Jones, B. J. P.; Kekic, M.; Labarga, L.; Lebrun, P.; López-March, N.; Losada, M.; Mano, R. D. P.; Martín-Albo, J.; Martínez, A.; McDonald, A.; Monteiro, C. M. B.; Mora, F. J.; Vidal, J. Muñoz; Musti, M.; Nebot-Guinot, M.; Novella, P.; Nygren, D. R.; Pérez, J.; Querol, M.; Repond, J.; Riordan, S.; Ripoll, L.; Rodríguez, J.; Rogers, L.; Romo-Luque, C.; Santos, F. P.; Santos, J. M. F.  dos; Sofka, C.; Sorel, M.; Stiegler, T.; Toledo, J. F.; Torrent, J.; Veloso, J. F. C. A.; Webb, R.; White, J. T.; Yahlali, N.

doi:10.1088/1748-0221/13/10/P10014

Calibration of the NEXT-White detector using ^83mKr decays

Journal Article · Wed Oct 10 00:00:00 EDT 2018 · Journal of Instrumentation

DOI:https://doi.org/10.1088/1748-0221/13/10/P10014· OSTI ID:1484233

Martínez-Lema, G.; Morata, J. A. Hernando; Palmeiro, B.; Botas, A.; Ferrario, P.; Monrabal, F.; Laing, A.; Renner, J.; Simón, A.; Para, A.; Gómez-Cadenas, J. J.; Adams, C.; Álvarez, V.; Arazi, L.; Azevedo, C. D. R.; Bailey, K.; Ballester, F.; Benlloch-Rodríguez, J. M.; Borges, F. I. G. M.; Cárcel, S. more »

We report the NEXT-White (NEW) detector is currently the largest radio-pure high-pressure xenon gas time projection chamber with electroluminescent readout in the world. It has been operating at Laboratorio Subterraneo de Canfranc (LSC) since October 2016. This paper describes the calibrations performed using ^83mKr decays during a long run taken from March to November 2017 (Run II). Krypton calibrations are used to correct for the finite drift-electron lifetime as well as for the dependence of the measured energy on the event transverse position which is caused by variations in solid angle coverage both for direct and reflected light and edge effects. After producing calibration maps to correct for both effects we measure an excellent energy resolution for 41.5 keV point-like deposits of (4.553 +/- 0.010 (stat.) ± 0.324 (sys.)) % FWHM in the full chamber and (3.804 ± 0.013 (stat.) ± 0.112 (sys.)) % FWHM in a restricted fiducial volume. Laslty, using naive 1/$$ \sqrt{E} $$ scaling, these values translate into resolutions of (0.5916 ± 0.0014 (stat.) ± 0.0421 (sys.)) % FWHM and (0.4943 ± 0.0017 (stat.) +/- 0.0146 (sys.)) % FWHM at the Qᵦᵦ energy of xenon double beta decay (2458 keV), well within range of our target value of 1%.

View Accepted Manuscript (DOE)

Research Organization:: Argonne National Laboratory (ANL), Argonne, IL (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26); European Research Council (ERC)

Contributing Organization:: The NEXT Collaboration

Grant/Contract Number:: AC02-06CH11357; AC02-07CH11359; SC0017721; SC0010813

OSTI ID:: 1484233

Alternate ID(s):: OSTI ID: 1550825
OSTI ID: 1436704
OSTI ID: 22888577

Journal Information:: Journal of Instrumentation, Journal Name: Journal of Instrumentation Journal Issue: 10 Vol. 13; ISSN 1748-0221

Publisher:: Institute of Physics (IOP)Copyright Statement

Country of Publication:: United States

Language:: English

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High Pressure Gas Xenon TPCs for Double Beta Decay Searches Gomez-Cadenas, Juan J.; Monrabal Capilla, Francesc; Ferrario, Paola Frontiers in Physics, Vol. 7 https://doi.org/10.3389/fphy.2019.00051	journal	April 2019
High Pressure Gas Xenon TPCs for Double Beta Decay Searches Gomez-Cadenas, J. J.; Monrabal, F.; Ferrario, P. arXiv https://doi.org/10.48550/arxiv.1903.02435	preprint	January 2019