Manin, J.; Bardi, M.; Pickett, L. M.; Payri Marín, Raúl(Elsevier, 2016-07)
Detailed imaging of n-dodecane and ethanol sprays injected in a constant-flow, high-pressure, high-temperature optically accessible chamber was per-formed. High-speed, diffused back-illuminated long-distance microscopy was ...
Vico Bondía, Felipe; Greengard, Leslie; Gimbutas, Zydrunas(Springer Verlag (Germany), 2014-11)
We present a systematic analysis of the integral operators of potential theory that arise when solving the Helmholtz or Maxwell equations in the exterior (or interior) of a sphere in the frequency domain. After obtaining ...
Lorca, D.; Martín Albo, J.; Laing, A.; Ferrario, P.; Gómez Cadenas, J.J.; Álvarez, V.; Borges, F.I.G.; Camargo, M.; Esteve Bosch, Raul; Fernandes, L.M.P.; Ferreira, A.L.; Marí Romero, Antonio Francisco; Mora Mas, Francisco José; Pérez Aparicio, José Luis; Toledo Alarcón, José Francisco(IOP Publishing, 2014-10)
[EN] The NEXT experiment aims to observe the neutrinoless double beta decay of 136Xe
in a high-pressure xenon gas TPC using electroluminescence (EL) to amplify the signal from ionization.
Understanding the response of ...
[EN] NEXT-MM is a general-purpose high pressure (10 bar, ∼25 l active volume) Xenon- based TPC, read out in charge mode with an 0.8 cm×0.8 cm-segmented 700 cm2 plane (1152 ch) of the latest microbulk-Micromegas ...
Quiel, Spencer E.; Moreyra Garlock, Maria E.; Paya-Zaforteza, I.(American Society of Civil Engineers, 2011)
[EN] During a fire, columns on the perimeter of a building will be subject to moments induced by both a thermal gradient and the restraint of axial expansion by adjacent heated beams, which themselves develop axial load. ...
Gomis Hilario, Oscar; Sans, J. A.; Lacomba-Perales, R.; Errandonea, D.; Meng, Y.; Chervin, J. C.; Polian, A.(American Physical Society, 2012-08-27)
We have studied BaWO 4 under compression at room temperature by means of x-ray diffraction and Raman spectroscopy. When compressed with neon as a pressure-transmitting medium (quasihydrostatic conditions), we found that ...
[EN] We contribute to the optimization of the sparse matrix-vector product by introducing a variant of the coordinate sparse matrix format that balances the workload distribution and compresses both the indexing arrays and ...
[EN] Improved RNA virus understanding is critical to studying animal and plant health, and environmental processes. However, the continuous and rapid RNA virus evolution makes their identification and characterization ...
Amole, C.; Ardid Ramírez, Miguel; Arnquist, I.J.; Asner, D. M.; Baxter, D.; Behnke, E.; Bressler, M.; Broerman, B.; Cao, G.; Chen, C.J.; Chowdhury, U.; Clark, K.; Collar, J. I.; Cooper, P. S.; Coutu, C. B.(American Physical Society, 2019-07-09)
[EN] Final results are reported from operation of the PICO-60 C3F8 dark matter detector, a bubble chamber filled with 52 kg of C3F8 located in the SNOLAB underground laboratory. The chamber was operated at thermodynamic ...
Amole, C.; Ardid Ramírez, Miguel; Asner, D. M.; Baxter, D.; Behnke, E.; Bhattacharjee, P.; Borsodi, H.; Bou Cabo, Manuel; Brice, S. J.; Broemmelsiek, D.; Clark, K.; Collar, J.I.; Cooper, P.S.; Crisler, M.; Dahl, C. E.(American Physical Society, 2015-06)
New data are reported from the operation of a 2 liter C3F8 bubble chamber in the SNOLAB underground laboratory, with a total exposure of 211.5 kg days at four different energy thresholds below 10 keV. These data show that ...
Amole, C.; Ardid Ramírez, Miguel; Asner, D. M.; Baxter, D.; Behnke, E.; Bhattacharjee, P.; Borsodi, H.; Bou Cabo, Manuel; Brice, S. J.; Broemmelsiek, D.; Clark, K.; Collar, J. I.; Cooper, P. S.; Crisler, M.; Felis Enguix, Iván(American Physical Society, 2016-03-28)
New data are reported from the operation of the PICO-60 dark matter detector, a bubble chamber filled with 36.8 kg of CF3I and located in the SNOLAB underground laboratory. PICO-60 is the largest bubble chamber to search ...
[EN] New results are reported from the operation of the PICO-60 dark matter detector, a bubble chamber filled with 52 kg of C3F8 located in the SNOLAB underground laboratory. As in previous PICO bubble chambers, PICO-60 ...
[EN] NEXT collaboration detectors are based on energy measured by an array of photomultipliers (PMT) and topological event filtering based on an array of silicon photomultipliers (SiPMs). The readout of the PMT sensors for ...
Amole, C.; Ardid Ramírez, Miguel; Arnquist, I.J.; Asner, D. M.; Baxter, D.; Behnke, E.; Bressler, M.; Broerman, B.; Cao, G.; Chen, C. J.; Chen, S.; Chowdhury, U.; Clark, K.; Collar, J. I.; Cooper, P. S.(American Physical Society, 2019-10-31)
[EN] The primary advantage of moderately superheated bubble chamber detectors is their simultaneous sensitivity to nuclear recoils from weakly interacting massive particle (WIMP) dark matter and insensitivity to electron ...
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, ...
Alvarez, V.; Aznar, F.; Borges, F. I. G. M.; Calvet, D.; Carcel, S.; Castel, J.; Cebrian, S.; Cervera, A.; Conde, C. A. N.; Dafni, T.; Dias, T. H. V. T.; Diaz, J.; Druillole, F.; Egorov, M.; Esteve Bosch, Raul; Evtoukhovitch, P.; Fernandes, L. M. P.; Ferrario, P.; Ferreira, A. L.; Ferrer-Ribas, E.; Freitas, E. D. C.; Gehman, V. M.; Gil, A.; Giomataris, I.; Goldschmidt, A.; Gomez, H.; Gomez-Cadenas, J. J.; Gonzalez-Diaz, D.; Gutierrez, R. M.; Hauptman, J.; Hernando Morata, J. A.; Herrera, D. C.; Iguaz, F. J.; Irastorza, I. G.; Jinete, M. A.; Labarga, L.; Laing, A.; Le Coguie, A.; Liubarsky, I.; Lopes, J. A. M.; Lorca, D.; Losada, M.; Luzon, G.; Marí Romero, Antonio Francisco; Martin-Albo, J.; Martinez, A.; Martinez-Lema, G.; Miller, T.; Moiseenko, A.; Mols, J. P.; Monrabal, F.; Monteiro, C. M. B.; Mora Mas, Francisco José; Moutinho, L. M.; Munoz Vidal, J.; Natal da Luz, H.; Navarro, G.; Nebot Guinot, M.; Nigren, D.; Oliveira, C.A.B.; Palma, R.; Perez, J.; Pérez Aparicio, José Luis; Renner, J.; Ripoll, L.; Rodriguez, A.; Rodriguez, J.; Santos, F. P.; dos Santos, J. M. F.; Segui, L.; Serra, L.; Shuman, D.; Simon, A.; Sofka, C.; Sorel, M.; Toledo Alarcón, José Francisco; Tomas, A.; Torrent, J.; Tsamalaidze, Z.; Veloso, J. F. C. A.; Villar, J.A.; Webb, R. C.; White, J. T.; Yahlali, N.(IOP Publishing: Hybrid Open Access, 2014-03)
[EN] A technical description of NEXT-MM and its commissioning and first performance is reported. Having an active volume of ∼35 cm drift × 28 cm diameter, it constitutes the largest Micromegas-read TPC operated in ...