Facultad de Ciencias Físicas y Matemáticas: Recent submissions

Now showing items 4081-4100 of 22292

    • Subduction zone fluids and arc magmas conducted by lithospheric deformed regions beneath the central Andes 
      Contreras Reyes, Eduardo Eliseo; Díaz, D.; Bello González, Juan Pablo; Slezak, Katarzyna Anna; Potin, Bertrand Jean-Maurice; Comte Selman, Diana Patricia; Maksymowicz Silva, Ana Maria; Ruiz, J. A.; Osses Alvarado, Axel Esteban; Ruiz, S. (Nature, 2021)
      Dehydration of the oceanic subducting slab promotes the formation of magmatic arcs, intra-slab intermediate-depth seismicity, and hydration of the overlying mantle wedge. However, the complex permeability structure of the ...
    • Avances en la estimación de la probabilidad de falla de sistemas de drenaje de presas de relaves 
      Albornoz Sanzana, Sebastián Ignacio (Universidad de Chile, 2022)
      Los relaves son desechos de procesos mineros que deben ser almacenados en depósitos que sean estables física y químicamente. Para esto, los diseños de presas de relaves se hacen en función de numerosos criterios que permitan ...
    • Final targeting strategy for the SDSS-IV APOGEE-2S survey 
      Santana, Felipe; Beaton, Rachael L.; Covey, Kevin R.; O'Connell, Julia E.; Longa Pena, Penélope; Cohen, Roger; Fernández Trincado, José G.; Hayes, Christian R.; Zasowski, Gail; Sobeck, Jennifer S.; Majewski, Steven R.; Chojnowski, S. D.; De Lee, Nathan; Oelkers, Ryan J.; Stringfellow, Guy S.; Almeida, Andrés; Anguiano, Borja; Donor, John; Frinchaboy, Peter M.; Hasselquist, Sten; Johnson, Jennifer A.; Kollmeier, Juna A.; Nidever, David L.; Price Whelan, Adrián M.; Rojas Arriagada, Álvaro; Schultheis, Mathias; Shetrone, Matthew; Simón, Joshua D.; Aerts, Conny; Borissova, Jura; Drout, María R.; Geisler, Doug; Law, C. Y.; Medina, Nicolás; Minniti, Dante; Monachesi, Antonela; Muñoz Vidal, Ricardo; Poleski, Radoslaw; Román Lopes, Alexandre; Schlaufman, Kevin C.; Stutz, Amelia M.; Teske, Johanna; Tkachenko, Andrew; Van Saders, Jennifer L.; Weinberger, Alycia J.; Zoccali, Manuela (IOP, 2021)
      APOGEE is a high-resolution (R similar to 22,000), near-infrared, multi-epoch, spectroscopic survey of the Milky Way. The second generation of the APOGEE project, APOGEE-2, includes an expansion of the survey to the Southern ...
    • The HASHTAG Project: the first submillimeter images of the Andromeda Galaxy from the Ground 
      Smith, Matthew W. L.; Eales, Stephen A.; Williams, Thomas G.; Lee, Bumhyun; Li, Zongnan; Barmby, Pauline; Bureau, Martin; Chapman, Scott; Cho, Brian S.; Chung, Aeree; Chung, Eun Jung; Chung, Hui-Hsuan; Clark, Christopher J. R.; Clements, David L.; Davis, Timothy A.; De Looze, Ilse; Edén, David J.; Athikkat Eknath, Gayathri; Ford, George P.; Gao, Yu; Gear, Walter; Gómez, Haley L.; de Grijs, Richard; He, Jinhua; Ho, Luis C.; Hughes, Thomas M.; Jiao, Sihan; Kemper, Francisca; Kirchschlager, Florian; Koch, Eric W.; Kong, Albert K. H.; Lee, Chien Hsiu; Lin, En-Tzu; Mairs, Steve; Michalowski, Michal J.; Pattle, Kate; Peng, Yingjie; Ragan, Sarah E.; Rawlings, Mark G.; Rigopoulou, Dimitra; Saintonge, Amelie; Schruba, Andreas; Tang, Xindi; Wang, Junfeng; Whitworth, Anthony P.; Wilson, Christine D.; Yim, Kijeong; Zhu, Ming (IOP, 2021)
      Observing nearby galaxies with submillimeter telescopes on the ground has two major challenges. First, the brightness is significantly reduced at long submillimeter wavelengths compared to the brightness at the peak of the ...
    • A pair of warm giant planets near the 2:1 mean motion resonance around the K-dwarf star TOI-2202 
      Trifonov, Trifon; Brahm, Rafael; Espinoza, Néstor; Henning, Thomas; Jordán, Andrés; Nesvorny, David; Dawson, Rebekah I.; Lissauer, Jack J.; Lee, Man Hoi; Kossakowski, Diana; Rojas, Felipe I.; Hobson, Melissa J.; Sarkis, Paula; Schlecker, Martin; Bitsch, Bertram; Bakos, Gaspar A.; Barbieri, Mauro; Bhatti, W.; Butler, R. Paul; Crane, Jeffrey D.; Nandakumar, Sangeetha; Díaz, Matías R.; Shectman, Stephe; Teske, Johanna; Torres, Pascal; Suc, Vincent; Vinés Lopez, José; Wang, Sharon X.; Ricker, George R.; Shporer, Avi; Vanderburg, Andrew; Dragomir, Diana; Vanderspek, Roland; Burke, Christopher J.; Daylan, Tansu; Shiao, Bernie; Jenkins, Jon M.; Wohler, Bill; Seager, Sara; Winn, Joshua N. (IOP, 2021)
      TOI-2202 b is a transiting warm Jovian-mass planet with an orbital period of P = 11.91 days identified from the Full Frame Images data of five different sectors of the TESS mission. Ten TESS transits of TOI-2202 b combined ...
    • Two year Cosmology Large Angular Scale Surveyor (CLASS) observations: long timescale stability achieved ... 
      Harrington, Kathleen; Datta, Rahul; Osumi, Keisuke; Ali, Aamir; Appel, John W.; Bennett, Charles L.; Brewer, Michael K.; Bustos, Ricardo; Chan, Manwei; Chuss, David T.; Cleary, Joseph; Couto, Jullianna Denes; Dahal, Sumit; Dunner, Rolando; Eimer, Joseph R.; Essinger Hileman, Thomas; Hubmayr, Johannes; Espinoza Inostroza, Francisco Raúl; Iuliano, Jeffrey; Karakla, John; Li, Yunyang; Marriage, Tobías A.; Miller, Nathan J.; Núñez, Carolina; Padilla, Ivan L.; Parker, Lucas; Petroff, Matthew A.; Pradenas Márquez, Bastián Felipe; Reeves, Rodrigo; Fluxa Rojas, Pedro; Rostem, Karwan; Valle, Deniz Augusto Nunes; Watts, Duncan J.; Weiland, Janet L.; Wollack, Edward J.; Xu, Zhilei (IOP, 2021)
      The Cosmology Large Angular Scale Surveyor (CLASS) is a four-telescope array observing the largest angular scales (2 ℓ  200) of the cosmic microwave background (CMB) polarization. These scales encode information ...
    • Inspecting the Cepheid parallax of pulsation using Gaia EDR3 parallaxes Projection factor and period-luminosity ... 
      Trahin, B.; Breuval, L.; Kervella, P.; Merand, A.; Nardetto, N.; Gallenne, Alexandre; Hocde, V.; Gieren, W. (EDP, 2021)
      Context. As primary anchors of the distance scale, Cepheid stars play a crucial role in our understanding of the distance scale of the Universe because of their period-luminosity relation. Determining precise and consistent ...
    • Desafíos para dar cumplimiento a la Ley de Transparencia: caso Superintendencia de Pensiones entre los años ... 
      Acuña Gálvez, Nicolás Antonio (Universidad de Chile, 2022)
      La presente tesis tiene por objeto analizar la ejecución de la Ley de Acceso a la Información Pública (LT) entre los años 2015 y 2020 por la Superintendencia de Pensiones (SP). Para abordar dicho objetivo se aplicó una ...
    • Rediseño del proceso de gestión de precios de lubricantes en el canal industrial de una compañía del sector ... 
      Zenteno Guardia, Nicolás Emilio (Universidad de Chile, 2022)
    • Explorando los factores que determinan la efectividad de las Unidades de Auditoría Interna Gubernamental en Chile 
      Pacheco Parra, Walter Javier (Universidad de Chile, 2021)
      El presente estudio tiene por objeto, por un lado, identificar buenas prácticas de otros países que puedan ser útiles para el perfeccionamiento de la Política de Auditoría Interna Gubernamental de Chile y, por otro lado, ...
    • Needs for a Curricular Change in Primary and Secondary Education From the One Health Perspective: A Pilot ... 
      Marchant, Francisca; Sánchez, María Pilar; Duprat, Ximena G.; Mena, Alejandro; Sjoberg Herrera, Marcela; Cabal, Soledad; Figueroa, Daniela P. (Frontiers Media, 2021)
      This is the first pilot study on alternative conceptions and obstacles pertaining to pneumonia in adolescents of different school vulnerability indexes. Countries with low socioeconomic levels are disproportionately affected, ...
    • Direct-to-satellite IoT slotted aloha systems with multiple satellites and unequal erasure probabilities 
      Tondo, Felipe Augusto; Montejo Sánchez, Samuel; Pellenz, Marcelo Eduardo; Céspedes Umaña, Sandra Lorena; Souza, Richard Demo (MDPI, 2021)
      Direct-to-satellite Internet of Things (IoT) solutions have attracted a lot of attention from industry and academia recently, as promising alternatives for large scale coverage of a massive number of IoT devices. In this ...
    • The PHANGS-HST survey: Physics at high angular resolution in nearby galaxies with the hubble space telescope 
      Lee, Janice C.; Whitmore, Bradley C.; Thilker, David A.; Deger, Sinan; Larson, Kirsten L.; Ubeda, Leonardo; Anand, Gagandeep S.; Boquien, Médéric; Chandar, Rupali; Dale, Daniel A.; Emsellem, Eric; Leroy, Adam K.; Rosolowsky, Erik; Schinnerer, Eva; Schmidt, Judy; Lilly, James; Turner, Jordan; Van Dyk, Schuyler; White, Richard L.; Barnes, Ashley T.; Belfiore, Francesco; Bigiel, Frank; Blanc Mendiberri, Guillermo Alberto Neville; Cao, Yixian; Chevance, Melanie; Congiu, Enrico; Egorov, Oleg V.; Glover, Simon C. O.; Grasha, Kathryn; Groves, Brent; Henshaw, Jonathan D.; Hughes, Annie; Klessen, Ralf S.; Koch, Eric; Kreckel, Kathryn; Diederik Kruijssen, J. M.; Liu, Daizhong; López, Laura A.; Mayker, Ness; Meidt, Sharon E; Murphy, Eric J.; Pan, Hsi-An; Pety, Jérôme; Querejeta, Miguel; Razza, Alessandro; Saito, Toshiki; Sánchez Blázquez, Patricia; Santoro, Francesco; Sardone, Amy; Scheuermann, Fabian; Schruba, Andreas; Sun, Jiayi; Usero, Antonio; Watkins, E.; Williams, Thomas G. (IOP Publishing, 2022)
      The PHANGS program is building the first data set to enable the multiphase, multiscale study of star formation across the nearby spiral galaxy population. This effort is enabled by large survey programs with the Atacama ...
    • The KPZ fixed point 
      Matetski, Konstantin; Quastel, Jeremy; Remenik Zisis, Daniel Ilan (Int Press Boston, 2021)
    • Stochastic electron acceleration by temperature anisotropy instabilities under solar flare plasma conditions 
      Riquelme Hernández, Mario Alejandro; Osorio, Alvaro; Verscharen, Daniel; Sironi, Lorenzo (IOP Publishing, 2022)
      Using 2D particle-in-cell plasma simulations, we study electron acceleration by temperature anisotropy instabilities, assuming conditions typical of above-the-loop-top sources in solar flares. We focus on the long-term ...
    • Systematic fuzz testing techniques on a nanosatellite flight software for agile mission development 
      Gutiérrez Rojo, Tamara (Universidad de Chile, 2022)
      El éxito de las misiones de CubeSats depende de su rendimiento en un ambiente extremo. El software de vuelo es un componente crítico que maneja todas estas operaciones. La literatura muestra que las misiones de CubeSats ...
    • Estimación de la orientación y frecuencia de fracturas en sondajes a partir de análisis de imágenes y Machine ... 
      Hormazábal Godoy, Franco Giovanni (Universidad de Chile, 2022)
      Este trabajo presenta, evalúa y analiza métodos para estimar los ángulos alfa y beta de fracturas, y la frecuencia de fracturas equivalente en tramos de roca muy fracturada en testigos de sondajes diamantinos, mediante ...
    • Black hole fuelling in galaxy mergers: a high-resolution analysis 
      Prieto, Joaquín; Escala Astorquiza, Andrés Felipe; Privon, George C.; D'Etigny, Juan (Oxford, 2021)
      Using parsec scale resolution hydrodynamical adaptive mesh refinement simulations, we have studied the mass transport process throughout a Galactic merger. The aim of such study is to connect both the peaks of mass accretion ...
    • Modelo de dispersión de compuestos orgánicos volátiles primarios en tiempo real mediante sensores de bajo costo 
      Valenzuela Contreras, Kevin Bhayron (Universidad de Chile, 2022)
      La contaminación es una problemática a nivel mundial, solo en Chile 12.000 decesos son producto de este problema. Esta situación se agudiza en ambientes con múltiples fuentes de emisión, ya que los sistemas de monitoreo ...
    • Holocene history of río tranquilo glacier, monte San Lorenzo (47°S), Central Patagonia 
      Sagredo, Esteban A.; Reynhout, Scott Andrew; Kaplan, Michael R.; Aravena, Juan C.; Araya, Paola S.; Luckman, Brian H.; Schwartz, Roseanne; Schaefer, Joerg M. (Frontiers Media, 2021)
      The causes underlying Holocene glacier fluctuations remain elusive, despite decades of research efforts. Cosmogenic nuclide dating has allowed systematic study and thus improved knowledge of glacier-climate dynamics ...