Calibration of a large water-Cherenkov detector at the Sierra Negra site of LAGO

Galindo, A.; Moreno, E.; Carrasco, E.; Torres, I.; Carramiñana, A.; Bonilla, Maria-Jose Gonzalez; Salazar, H.; Conde, R.; Alvarez, Walter C.; Álvarez, C.; Araújo, Carlos Henrique Coimbra; Areso, O.; Arnaldi, L. H.; Asorey, H.; Audelo, M.; Barros, H.; Bonnett, M.; Calderon, R.; Calderón, Manuel; Campos-Fauth, A.; Carrera, E.; Cazar, D.; Cifuentes, E.; Collogo, D.; Cotzomi, J.; Dasso, S.; Castro, A. De; Torre, J. De La; Leon, R. de; Estupiñan, A.; Garcia, L.; Berisso, M. Gómez; González, M. M.; Guevara, W.; Gulisano, A. M.; Hernández, Hugo; Viviescas, Álvaro; Lopez, J. M.; Mantilla, C.; Martin, R. Gil; Martinez, O.; Martı́nez, O.; Martins, Edyvânia Emily Pereira; Macías-Meza, J.J.; Mayo-García, Rafael; Melo, T.; Mendoza, J.; Miranda, P.; Montes, E.; Morales, Eduardo Sánchez; Morales, I.; Murrugarra, Cecilia; Nina, C.; Núñez, Luis A.; Núñez-Castiñeyra, A.; Otiniano, Luis; Peña-Rodríguez, Jesús; Perenguez, J.; Perez, Hector de la Torre; Pérez, Y.; Pérez, Gabriel; Pinilla-Velandia, S.; Ponce, E.; Quishpe, Raquel Estefania Quishpe; Quispe, F.; Ramelli, M.; Reyes, K.; Rivera, H.; Rodríguez, J. de la Cruz; Rodriguez-Ferreira, Julian; Rodríguez-Pascual, Manuel; Romero, Margarita Sánchez; Montero, A. J. Rubio; Salinas, J.; Sarmiento-Cano, C.; Sidelnik, I.; Haro, Miguel Sofo; Suárez-Durán, Mauricio; Subieta, M.; Tello, J. C.; Ticona, R.; Torres-Niõ, L.; Truyenque, J.; Valencia-Otero, M.; Vargas, S.; Vasquez, N.; Villaseñor, L.; Zamalloa, M.; Zavala, Lauro

doi:10.1016/j.nima.2017.03.055

Cited by 14 publications

(11 citation statements)

References 17 publications

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“…In Figure 2 shows one diagram that illustrates the flow of the information from PMT signal to data acquisition, This diagram is a typical setup for collecting information about photon counting and signal integration [5,6]. Each outrigger has one Hamamatsu R5912 8" PMT at the bottom and is powered by a CAEN V6533 high voltage VME module at an optimal tension (see Table 4).…”

Section: Methodsmentioning

confidence: 99%

Stability and behavior of the outer array of small water Cherenkov detectors, outriggers, in the HAWC observatory

Capistrán¹,

Aguilar²,

Barbosa³

2017

Proceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017)

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The High-Altitude Water Cherenkov (HAWC) Observatory is used for detecting TeV gamma rays. HAWC is operating at 4,100 meters above level sea on the slope of the Sierra Negra Volcano in the State of Puebla, Mexico, and consists of an array of 300 water Cherenkov detectors (WCDs) covering an area of 22,000 m 2 . Each WCD is equipped with four photomultiplier tubes (PMTs) to detect Cherenkov emission in the water from secondary particles of extensive air-shower (EAS) that are produced in the interactions of primary particles (gamma rays or charged cosmic rays) in the atmosphere. HAWC is able to reconstruct the EAS in the 0.5 to 100 TeV energy range. In order to improve the core determination for events with high energy (> 10 TeV) when the events arrive outside of the HAWC array, the Outrigger upgrade project is adding 350 small WCDs around the main array. These outrigger tanks each have one PMT in a 1.5 meter diameter cylindrical polyethylene tank, covering a total area four times larger than that of the HAWC array. In this work we present leak light testing to identify the stability of the detector and an analysis of deposited charges to understand the detector performance.Stability and behavior of the array of outriggers in the HAWC observatory T. Capistrán

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Section: Methodsmentioning

confidence: 99%

Stability and behavior of the outer array of small water Cherenkov detectors, outriggers, in the HAWC observatory

Capistrán¹,

Aguilar²,

Barbosa³

2017

Proceedings of 35th International Cosmic Ray Conference — PoS(ICRC2017)

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“…The results obtained with LAGO-GD are presented according to the calibration process described in [24,25]: converting the signal detected (in this case the number of pe) into physical units of energy deposited (E d ). A single high-energy muon impinging vertically at the center of the WCD, called Vertical Equivalent Muon (VEM) [24,26], is the calibration unit defined as the average charge collected in the PMT.…”

Section: Pos(icrc2019)412mentioning

confidence: 99%

Modeling the LAGO's detectors response to secondary particles at ground level from the Antarctic to Mexico

Sarmiento-Cano¹,

Suárez-Durán²,

Ramírez³

et al. 2019

Proceedings of 36th International Cosmic Ray Conference — PoS(ICRC2019)

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“…The signals were post-processed using a program developed in LabVIEW for the calculation of four characteristic parameters: charge deposited, maximum voltage, and two signals related with the duration or widths of the signal, t50 and t90 they are the time interval in which the integrated charge of the individual signals rise from 10% to 50 % and 90%. These parameters are distributed differently depending on the type and energy of particle that interacts with the scintillator [10][11][12][13]. All data were analyzed using the ROOT program, a data analysis framework [14].…”

Section: Detector Descriptionmentioning

confidence: 99%

Radiolysis of the Glycolaldehyde-Na+Montmor- illonite and Glycolaldehyde-Fe3+Montmorillonite Systems in Aqueous Suspension under Gamma Radiation Fields: Implications in Chemical Evolution

Cruz-Castañeda¹,

Meléndez-López²,

Ramos-Bernal³

et al. 2017

JNP

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The pyramid of Cholula was built at the beginning of 100 B.C. and during of period of 500 years it was finished, had several new constructions, based on the previous constructions. The primarily material of construction is the adobe. Early in 1931 archaeological excavations began with the intention of exploring the interior of the pyramid, excavations were stopped in 1971, and to date no further excavations have been carried out. This work shows the first measurements of muons, particles that are very penetrating, these are generated by primary cosmic rays that was incoming in the atmosphere and these generates a rain of secondary particles, among them the muons. To measure this kind of particles was implemented a detector system, it is formed by a scintillator plastic coupled to a tube photomultiplier; the signals were acquired by mean of an oscilloscope. The detector was collocated near of the center of the pyramid; the location belongs to the maxima concentration in mass over the detector. Graphs of the charge distribution, maximum amplitude and characteristic rise times of the generated pulses in a plastic scintillator are shown, this is scintillator was synthesized in the materials laboratory of the FCFM-BUAP. In addition the optical characterization of the same was realized.

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Calibration of a large water-Cherenkov detector at the Sierra Negra site of LAGO

Cited by 14 publications

References 17 publications

Stability and behavior of the outer array of small water Cherenkov detectors, outriggers, in the HAWC observatory

Stability and behavior of the outer array of small water Cherenkov detectors, outriggers, in the HAWC observatory

Modeling the LAGO's detectors response to secondary particles at ground level from the Antarctic to Mexico

Radiolysis of the Glycolaldehyde-Na+Montmor- illonite and Glycolaldehyde-Fe3+Montmorillonite Systems in Aqueous Suspension under Gamma Radiation Fields: Implications in Chemical Evolution

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