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  1. Article

    Open Access

    Characterization of meteoric 10Be in certified reference materials for use in internal control standards

    In recent decades, interest in the measurement of 10Be has increased due to its relevance in various fields of science. Trace amounts of 10Be produced from meteoric sources require sensitive accelerator mass spec...

    C. G. Méndez-García, G. Rojas-López in Journal of Radioanalytical and Nuclear Che… (2024)

  2. Article

    Open Access

    The \(^{27}\hbox {Al}(\hbox {p},\alpha )^{24}\hbox {Mg}\) reaction at astrophysical energies studied by means of the Trojan Horse Method applied to the \(^2\hbox {H}(^{27}\hbox {Al},\alpha ^{24}\hbox {Mg})\hbox {n}\) reaction

    The \(^{27}\hbox {Al}(\hbox {p},\alpha )^{24}\hbox {Mg}\) ...

    S. Palmerini, M. La Cognata, F. Hammache, L. Acosta in The European Physical Journal Plus (2021)

  3. No Access

    Article

    AMS cross-section measurement for the \(^{28}\) Si(d, \(\alpha \) ) \(^{26}\) Al reaction near the Coulomb barrier

    Understanding the production of \(^{26}\) 26 Al is important in nuclear physics, astrophysics (stellar nucleosynthesis), earth sciences and other fields. In previous years, we attempted to measure the $$^{...

    G. Reza, A. B. Zunun-Torres, S. Padilla, J. Mas-Ruiz in The European Physical Journal Plus (2020)

  4. No Access

    Article

    Characterization of the new hybrid low-energy accelerator facility in Mexico

    In 2013, a new accelerator mass spectrometry (AMS) facility was inaugurated in Mexico. Since then a substantial number of precise measurements of low concentrations of radioactive isotopes (14C, 10Be, 26Al and Pu...

    G. Reza, E. Andrade, L. Acosta, B. Góngora, A. Huerta in The European Physical Journal Plus (2019)

  5. No Access

    Article

    Meteoric 10Be concentrations in the center of Mexico

    The 1MV AMS system installed at National Accelerator Mass Spectrometry Laboratory (LEMA) has been used to determine the meteoric 10Be concentrations from particulate matter at the center of Mexico during 2012. Th...

    C. G. Méndez-García, S. Padilla, C. Solís in Journal of Radioanalytical and Nuclear Che… (2019)

  6. No Access

    Chapter and Conference Paper

    Preliminary Data of 10Be/9Be Ratios in Aerosol Filters in Mexico City

    The 1 MV AMS system of Laboratorio Nacional de Espectrometría de Masas con Acelerador (LEMA) has been used to measure the meteoric 10Be. The preliminary results of 10Be/9Be ratios in PM10 from Mexico City are pre...

    S. Padilla, C. G. Méndez, C. Solís in Basic Concepts in Nuclear Physics: Theory,… (2019)

  7. No Access

    Chapter and Conference Paper

    Be-10 Measurements in Atmospheric Filters Using the AMS Technique: The Data Analysis

    For measurements with the AMS technique, data set analysis is carry out to determine the measure of central tendency and then to obtain the ...

    K. De Los Ríos, C. Méndez-García, S. Padilla in Basic Concepts in Nuclear Physics: Theory,… (2019)

  8. No Access

    Article

    Elastic scattering of neutrons on natPb at forward angles

    Angular distributions were measured for neutron elastically scattered by natPb at 2.9, 3.0, 3.1, 3.2 and 3.4MeV at very forward angles. The mono-energetic neutron flux was produced at the tandem accelerator facil...

    E. Chávez, P. Rodríguez, A. Huerta, M. E. Ortiz in The European Physical Journal A (2009)

  9. No Access

    Chapter and Conference Paper

    Route Discovery with Constant Memory in Oriented Planar Geometric Networks

    We address the problem of discovering routes in strongly connected planar geometric networks with directed links. We consider two types of directed planar geometric networks: Eulerian (in which every vertex ha...

    E. Chávez, S. Dobrev, E. Kranakis in Algorithmic Aspects of Wireless Sensor Net… (2004)

  10. Article

    Effect of A 24 Months Calcium and Vitamin D Supplementation on Bone Mineralization in Coeliac Patients (CP)

    S Muzzo, L Leiva, M Burgueño, G Rios, C Bergenfreid, E Chávez in Pediatric Research (1999)

  11. Article

    cagA Status of Helicobacter pylori Strains in Chilean Pediatric Patients

    M Gotteland, A Corvalan, E Chávez, F Sarmiento, C Backouse, M Palma in Pediatric Research (1998)

  12. Article

    Growth and Bone Mineralization in Children With Cellac Disease (Cd). Effect of Calcium and Vitamin D Supplementation 10

    R Burrows, L Leiva, M Burgueño, G Rios, C Bergenfreid, E Chávez in Pediatric Research (1998)

  13. Article

    Helicobacter Pylori (Hp) Infection and Gastric Damage in Pediatric Patients of the Low Socioeconomic Status 19

    F Sarmiento, E Chávez, B Pizarro, M T Vial, E Kakarieka, M Gotteland in Pediatric Research (1997)

  14. No Access

    Article

    On the locus of action of Na+ at site I of oxidative phosphorylation

    The effect of octylguanidine on the Na+ stimulated oxygen uptake of rat liver mitochondria and bovine heart submitochondrial particles and on the Na+ induced efflux of K from the mitochondria has been examined. T...

    A. Gómez-Puyou, F. Sandoval, M. Tuena De Gómez-Puyou, E. Chávez in Journal of bioenergetics (1972)