• Emanation Study of Gas Radon on the Ancient Cuexcomate Geyser in Puebla City, Mexico 

  Monarca Serrano, J. A.; Jesus Cirilo, M. De; Vazquez-Lopez, C.; Zendejas-Leal, B. E.; Golzarri, J. I.; Espinosa, G. (2016-08-08)

  Radon measurements were collected over a period of nine months in the area of the ancient Cuexcomate geyser, in Puebla City. For measuring radon, the passive method of nuclear tracks in solids was used, using polycarbonate ...
• Correlation Between Underground Radon Gas and Dormant Geological Faults 

  Lopez, J. A.; Ornelas, O. Dena; Sajo-Bohus, L.; Rodriguez, G.; Chavarria, I. (2016-08-08)

  This work studies the concentration of radon in soil around a fault in the East Franklin Mountains in the El Paso area in West Texas. It is found that the in-soil production of radon is correlated to the existence of a ...
• Investigation of the Saturation of Elemental Concentration in the Depth Profile of Low Energy Silver Ion Implants in Silicon 

  Dhoubhadel, Mangal S. (2016-08-08)

  For the efficient absorption of light in a broad wavelength band, Si photovoltaic devices require a high concentration of metal atoms at a shallow depth up to a few 10s of nm in the Si substrates. Low energy (< 50 keV) ...
• Nuclear Tracks Morphology Study Using Raman Methodology 

  Cerda Z., Mariana; Azamar-Barrios, J. A.; Vazquez-Lopez, C.; Fragoso-Soriano, R.; Zendejas-Leal, B. E.; Rurik-Farias, J.; Golzarri, J. I.; Espinosa, G. (2016-08-08)

  In this work, a new methodology for rendering profiles of etched nuclear tracks is presented, using confocal micro-Raman spectrometry instrumentation. The precise profile of etched nuclear tracks with normal and/or angular ...
• Higgs Sector with Spontaneous CP Violation in S(3) Standard Model 

  Barradas-Guevara, J. E.; Felix-Beltran, O.; Rodriguez-Jauregui, E. (2016-08-08)

  Conditions for spontaneous Charge-Parity (CP) violation in the scalar potential sector of general S(3) Higgs-doublet model (3HDM) are analyzed. An analysis of the Higgs sector of the minimal S(3)-invariant extension of the ...
• Analysis of the Lepton Mixing Matrix in the Two Higgs Doublet Model 

  Barradas-Guevara, E.; Felix Beltran, O.; Gonzalez Canales, F.; Gonzalez Hernandez, E.; Rodriguez Jauregui, E.; Zeleny Mora, M. (2016-08-08)

  In the theoretical framework of Two Higgs Doublet Model (2HDM) plus three right-handed neutrinos we consider a universal treatment for the mass matrices, aside from that the active neutrinos acquire their small mass through ...
• Stability of Aspartic Acid at 77°K under Gamma Radiation in a Comet Cores Simulation: Implications for Chemical Evolution Studies 

  Melendez-Lopez, A. L.; Ramos-Bernal, S.; Negron-Mendoza, A. (2016-08-08)

  The synthesis of organic matter in a simulated primitive environment (terrestrial or extraterrestrial) has been widely studied. The stability of organic matter of biological significance, exposed to energy fields in primitive ...
• Radiolysis and Thermolysis of Cytosine: Importance in Chemical Evolution 

  Cruz-Castaneda, J.; Negron-Mendoza, A. (2016-08-08)

  An important aspect of chemical evolution is the study of the stability of organic molecules with biological significance in primitive conditions, especially in the presence of constant energy sources. An example of sets ...
• Proposal of a Novel Setup for Linac Monitoring Using a Specifically Designed Plastic Scintillator and a Spectrophotometer 

  Palomino-Merino, R.; Palomino-Merino, R.; Moreno-Barbosa, E.; Miguel-Chumacero, E.; Martinez-Bravo, O.; Celis-Alonso, B.D.E. (2016-08-08)

  In this work we report the design, implementation and results of an alternative monitoring system for a linear accelerator (LINAC) used in medical therapy. The system proposed consist in aslab of scintillator plastic with ...
• Radiolysis of Serine in High Radiation Field 

  Aguilar-Ovando, Ellen Y.; Negrón-Mendoza, Alicia (2016-08-08)

  The formation of amino acids under simulated condition suggests that this type of compounds were readily formed on the primitive Earth. Nevertheless, there is no conclusive explanation to the origin of their specific ...
• Radionuclide Determination In Surface Water Samples By Inductively Coupled Plasma With Sector Field Mass Spectrometry (ICP-SFMS) 

  Romero-Guzman, E.T.; Hernandez-Mendoza, H.; Reyes-Gutierrez, L. R.; Rios-Lugo, M. J.; Hernandez-Santana, J. (2016-08-08)

  The determination of naturally occurring radionuclides in the environment by inductively coupled plasma mass spectrometry of high resolution (ICP-SFMS) has gained recognition over the last fifteen years, relative to the ...
• Agent-based Model of Oxidation Reactions of Ferrous Ions 

  Rivera, A. L.; Ramos-Bernal, S.; Negron-Mendoza, A. (2016-08-08)

  Molecules in comets are formed through chemical oxidation reactions induced by radiation. Thesereactions can be simulated in laboratory experiments applying gamma radiation to samples at low temperatures. The kinetics of ...
• Radiochemical Separation and Measurement by Mass Spectrometry with Magnetic Sector with Inductively Coupled Plasma source (ICP-SFMS) of Plutonium Isotopes in Soil Samples 

  Torres-Cortes, C. O.; Hernandez-Mendoza, H.; Vega-Carrillo, H. R; Romero-Guzman, E. T. (2016-08-08)

  The aim of this work is twofold: to optimize the radiochemical separation of Plutonium (Pu) from soil samples, and to measure the Pu concentration. Soil samples were prepared using acid digestion assisted by microwaves; ...
• NaI(Tl) Scintillator's Response Functions for Point-like and Distributed Gamma-ray Sources 

  Vega-Carrillo, H. R.; Benites-Rengifo, J. L.; Hernandez-Davila, V. M.; Ortiz-Rotriguez, J. M.; De Leon-Martinez, H. A. (2016-08-08)

  The response functions of a NaI(Tl) detectors have been estimated using Monte Carlo methods. Response functions were calculated for monoenergetic photon sources (0.05 to 3 MeV). Responses were calculated for point-like ...
• Thermal Effect on TL Response of Single Doped LiF+NaF:RE Polycrystalline Phosphors 

  Gomez-Chayres, E.; Cruz-Zaragoza, E.; Gil Tolano, M.I.; Perez Cruz, L.; Gonzalez, P. R.; Salcedo Luna, M. C. (2016-08-08)

  In this work, the sintering and annealing effects on the thermoluminescent (TL) behavior of undoped and rare earth (RE)-doped LiF+NaF powder samples (RE = Ce3+, Eu3+, Lu3+ or Tl+, at 0.5 mol%) was analyzed by evaluating ...
• ZnS (Mn) Nanoparticles as Luminescent Centers for Siloxane Based Scintillators 

  Carturan, S.; Maggioni, G.; Cinausero, M.; Marchy, T.; Gramegna, F.; Pino, F.; Fabris, D.; Quaranta, A.; Sajo-Bohus, L. (2016-08-08)

  Synthesis of oleic acid stabilized ZnS nanocrystals activated with Mn is pursued. A hydrothermal method where high pressure and temperature are applied to control the nanocrystals growth is adopted. Capping the nanoparticle ...
• Characterization of LR-115 Type 2 Detectors for Monitoring Indoor Radon 222: Determination of the Calibration Factor 

  Pereyra, P.; Lopez, M. E.; Perez, B.; Rojas, J.; Martinez, J.; Leon, K. (2016-08-08)

  The city of Lima, capital of Peru, has about 11 million inhabitants. Lima has no records about the indoor Radon 222 concentration levels in dwellings. Hereby, we are planning to register the indoor radon concentrations in ...
• Study of Neutron From a Dense Plasma Focus Paco Instrument by Means of Nuclear Tracks Detectors 

  Milanese, M.; Castillo, F.; Moroso, M.; Barbaglia, M.; Golzarri, J. I.; Martínez, H.; Espinosa, G. (2016-08-08)

  A most interesting feature of dense plasma foci is the acceleration of charge particle at energy in the range of MeV per nucleon. Using deuterium gas, this devices produce fusion D-D reactions, generation fast neutron ...
• The Indoor Radon Concentration within the Tunnels of the Cholula Pyramid Through a Nuclear Tracks Methodology 

  Lima-Flores, A.; Palomino-Merino, R.; Espinosa, E.; Castano, V. M.; Merlo-Juarez, E.; Cruz-Sanchez, M.; Espinosa, G. (2016-08-08)

  Global organizations, including the World Health Organization (WHO), the Environmental Protection Agency of the United States (US-EPA) and the European Atomic Energy Community (EURATOM) recognize that radon gas as one of ...
• A Scaling Law for L-Shell X-Ray Production Cross Sections Induced by Impact of 4He+, 9Be2+, and 14N2+ Ions 

  Miranda, Javier (2016-08-08)

  Experimental results of L-subshell X-ray production cross sections induced by the impact of several ions heavier than protons were compiled in order to propose possible scaling laws. The ions of interest in this work are ...

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