Kekic, M.; Adams, C.; Woodruff, K.; Renner, J.; Church, E.; Del Tutto, M.; Hernando Morata, J. A.; Gomez-Cadenas, J. J.; Álvarez-Puerta, Vicente; Arazi, L.; Arnquist, I.J.; Azevedo, C. D. R.; Bailey, K.; Ballester Merelo, Francisco José; Benlloch-Rodriguez, J. M.; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Rodriguez-Samaniego, Javier; Toledo Alarcón, José Francisco(Springer-Verlag, 2021-01-28)
[EN] Convolutional neural networks (CNNs) are widely used state-of-the-art computer vision tools that are becoming increasingly popular in high-energy physics. In this paper, we attempt to understand the potential of CNNs ...
Novella, P.; Sorel, M.; Usón, A.; Adams, C.; Almazán, H.; Álvarez-Puerta, Vicente; Aparicio, B.; Aranburu, A. I.; Arazi, L.; Arnquist, I.J.; Auria-Luna, F; Ayet, S.; C.D.R. Azevedo; Bailey, K.; Ballester Merelo, Francisco José; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Rodriguez-Samaniego, Javier; Toledo Alarcón, José Francisco(Springer-Verlag, 2023-09-27)
[EN] The NEXT experiment aims at the sensitive search of the neutrinoless double beta decay in Xe-136, using high-pressure gas electroluminescent time projection chambers. The NEXT-White detector is the first radiopure ...
[EN] A new method to tag the barium daughter in the double-beta decay of Xe-136 is reported. Using the technique of single molecule fluorescent imaging (SMFI), individual barium dication (Ba++) resolution at a transparent ...
[EN] In experiments searching for neutrinoless double-beta decay, the possibility of identifying the two emitted electrons is a powerful tool in rejecting background events and therefore improving the overall sensitivity ...
[EN] Polytetrafluoroethylene (PTFE) is an excellent diffuse reflector widely used in light collection systems for particle physics experiments. However, the reflectance of PTFE is a function of its thickness. In this work, ...
Simon, A.; Felkai, R.; Martinez-Lema, G.; Monrabal, F.; Gonzalez-Diaz, D.; Sorel, M.; Hernando Morata, J. A.; Gomez-Cadenas, J. J.; Adams, C.; Álvarez-Puerta, Vicente; Ballester Merelo, Francisco José; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Toledo Alarcón, José Francisco(IOP Publishing, 2018-07)
[EN] Gaseous time projection chambers (TPC) are a very attractive detector technology for particle tracking. Characterization of both drift velocity and di¿usion is of great importance to correctly assess their tracking ...
[EN] High pressure xenon Time Projection Chambers (TPC) based on secondary scintillation (electroluminescence) signal amplification are being proposed for rare event detection such as directional dark matter, double electron ...
Novella, P.; Sorel, M.; Usón, A.; Adams, C.; Almazán, H.; Álvarez-Puerta, Vicente; Aparicio, B.; Aranburu, A. I.; Arazi, L.; Arnquist, I.J.; Ayet, S.; Azevedo, D.C.R.; Bailey, K.; Ballester Merelo, Francisco José; Benlloch-Rodriguez, J. M.; Lopez-March, N.; Rodríguez, J.; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Toledo Alarcón, José Francisco(American Physical Society, 2022-05-10)
[EN] We report a measurement of the half-life of the 136Xe two-neutrino double-ß decay performed with a novel
direct-background-subtraction technique. The analysis relies on the data collected with the NEXT-White ...
Rogers, L.; Jones, B. J. P.; Laing, A.; Pingulkar, S.; Smithers, B.; Woodruff, K.; Adams, C.; Álvarez-Puerta, Vicente; Arazi, L.; Arnquist, I. J.; Azevedo, C. D. R.; Bailey, K.; Ballester Merelo, Francisco José; Benlloch-Rodríguez, J. M.; Borges, F. I. G. M.; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Rodriguez-Samaniego, Javier; Toledo Alarcón, José Francisco(IOP Publishing, 2020-07)
[EN] Xe-136 is used as the target medium for many experiments searching for 0 nu beta beta. Despite underground operation, cosmic muons that reach the laboratory can produce spallation neutrons causing activation of detector ...
Abbot, B. P.; Abbot, R.; Abbot, T. D.; Acernnese, F.; Ackley, K.; Adams, C.; Adams, T.; Addeso, P.; Adhikari, R. X.; Adya, V. B.; Affeldt, C.; Afrough, M.; Agarwal, B.; Agathos, M.; Agatsuma, K.; Ardid Ramírez, Miguel; Felis-Enguix, Iván; Martínez Mora, Juan Antonio; Saldaña-Coscollar, María(American Astronomical Society, 2017)
[EN] On 2017 August 17 a binary neutron star coalescence candidate (later designated GW170817) with merger time 12:41:04 UTC was observed through gravitational waves by the Advanced LIGO and Advanced Virgo detectors. The ...
Henriques, C.A.O.; Amedo, P.; Teixeira, J. M. R.; González-Díaz, D.; Azevedo, C.D.R.; Para, A.; Martín-Albo,J.; Saa Hernandez, A.; Gómez-Cadenas, J. J.; Nygren, D. R.; Monteiro, C.M.B.; Adams, C.; Álvarez, V.; Arazi, L.; Arnquist, I.J.; Lopez-March, N.; Ballester Merelo, Francisco José; Rodríguez, J.; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Toledo Alarcón, José Francisco(American Physical Society, 2022-04-07)
[EN] We present evidence of non-excimer-based secondary scintillation in gaseous xenon, obtained using both the NEXT-White time projection chamber (TPC) and a dedicated setup. Detailed comparison with first-principle ...
Woodruff, K.; Baeza-Rubio, J.; Huerta, D.; Jones, B. J. P.; McDonald, A. D.; Norman, L.; Nygren, D. R.; Adams, C.; Álvarez-Puerta, Vicente; Arazi, L.; Arnquist, I. J.; Azevedo, C. D. R.; Bailey, K.; Ballester Merelo, Francisco José; Benlloch-Rodriguez, J. M.; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Rodriguez-Samaniego, Javier; Toledo Alarcón, José Francisco(IOP Publishing, 2020-04)
[EN] Motivated by the possibility of guiding daughter ions from double beta decay events to single-ion sensors for barium tagging, the NEXT collaboration is developing a program of R&D to test radio frequency (RF) carpets ...
Novella, P.; Palmeiro, B.; Sorel, M.; Usón, A.; Ferrario, P.; Gómez-Cadenas, J. J.; Adams, C.; Álvarez-Puerta, Vicente; Arazi, L.; Arnquist, I.J.; Azevedo, C.D.R.; Bailey, K.; Ballester Merelo, Francisco José; Benlloch-Rodríguez, J. M.; Borges, F. I. G. M.; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Rodriguez-Samaniego, Javier; Toledo Alarcón, José Francisco(Springer-Verlag, 2019-10-04)
[EN] Natural radioactivity represents one of the main backgrounds in the search for neutrinoless double beta decay. Within the NEXT physics program, the radioactivity- induced backgrounds are measured with the NEXT-White ...
Adams, C.; Alvarez, V.; Arazi, L.; Arnquist, I.J.; Azevedo, C.D.R.; Bailey, K.; Ballester Merelo, Francisco José; Benlloch-Rodriguez, J. M.; Borges, F. I. G. M.; Byrnes, N.; Carcel, S.; Carrión, J.V.; Cebrian, S.; Church, E.; Conde, C. A. N.; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Toledo Alarcón, José Francisco(Springer-Verlag, 2021-08-30)
[EN] 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 ...
Martinez-Lema, G.; Martinez-Vara, M.; Sorel, M.; Adams, C.; Álvarez-Puerta, Vicente; Arazi, L.; Arnquist, I.J.; Azevedo, C. D. R.; Bailey, K.; Ballester Merelo, Francisco José; Benlloch-Rodriguez, J. M.; Borges, F. I. G. M.; Byrnes, N.; Carcel, S.; Carrión, J. V.; Esteve Bosch, Raul; Herrero Bosch, Vicente; Mora Mas, Francisco José; Rodriguez-Samaniego, Javier; Toledo Alarcón, José Francisco(Springer-Verlag, 2021-02-24)
[EN] Double electron capture by proton-rich nuclei is a second-order nuclear process analogous to double beta decay. Despite their similarities, the decay signature is quite di erent, potentially providing a new channel ...