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  • Beyond the standard model  (2)
  • Biomasa  (2)
  • E41
  • 1
    Publication Date: 2018-08-22
    Description: Author(s): L. J. Flores, E. A. Garcés, and O. G. Miranda One of the main purposes of long-baseline neutrino experiments is to unambiguously measure the C P violating phase in the neutrino sector within the three neutrino oscillation picture. In the presence of physics beyond the Standard Model, the determination of the C P phase will be more difficult, due ... [Phys. Rev. D 98, 035030] Published Tue Aug 21, 2018
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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  • 2
    Publication Date: 2018-08-22
    Description: Author(s): R. Martinez, R. Gaitán, J. H. Montes de Oca, and E. A. Garcés We compute the contributions to rare top decays t → c Z and t → c h 1 from the scalar sector in the two Higgs doublet model type III with C P violation, where h 1 is the Standard Model Higgs boson. The branching ratios for BR ( t → c Z ) and BR ( t → c h 1 ) are obtained as a function of the model parameters. In particul... [Phys. Rev. D 98, 035031] Published Tue Aug 21, 2018
    Keywords: Beyond the standard model
    Print ISSN: 0556-2821
    Electronic ISSN: 1089-4918
    Topics: Physics
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  • 3
    Publication Date: 2021-05-19
    Description: Se determinó la biomasa del camarón rosado Farfantepenaeus notialis presente en el golfo de Ana María durante el periodo 1997-2010 mediante análisis estadístico de captura por edades (SCA). Esta se incrementó a partir del año 2008 como respuesta al aumento del reclutamiento, cuyo promedio anual presenta sus mayores valores durante el segundo semestre del año. La entrada de reclutas (pre-adultos) al área de pesca ocurre por dos zonas principales, frente a los cayos de Ana María, y en Sta. Cruz Abajo, al norte de la porción sur de los cayos de las Doce Leguas. Una pesquería a finales del año puede provocar una sobrepesca del crecimiento y afectar la biomasa disponible para el siguiente año.
    Description: It was determined the biomass of pink shrimp Farfantepenaeus notialis present in the Gulf of Ana Maria during the period 1997-2010, by means of statistical analysis of catch per ages (SCA). The biomass increased from 2008 as a response to the increment in the recruitment, which showed its highest average annual values during the second semester of that year. The input of recruits (pre-adults) to the fishing area occurs by two main zones, in front of Ana Maria keys and in Santa Cruz Abajo, North of the southern portion of Doce Leguas keys. Fishing at the end of the year may cause an overfishing of the growth, thus affecting the available biomass for the following year.
    Description: Published
    Keywords: Biomasa ; Reclutamiento ; Pre-adultos ; Camarón rosado ; Cuba ; Biomass ; Recruitment ; Pre-adults ; Pink shrimp
    Repository Name: AquaDocs
    Type: Journal Contribution , Refereed
    Format: pp.77-89
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  • 4
    Publication Date: 2021-11-22
    Description: Con el propósito de conocer el nivel de biomasa del camarón rosado (Farfantepenaeus notialis) y la variación espacio temporal de la población en la zona de pesca de la Empresa Pesquera de Granma, se analizó la información de los cruceros de prospección mensuales realizados durante los años 2009, 2010 y enero del 2011. La composición por talla muestra medias de 8.7 y 8.5 cm (largo cubano) con tallas máximas de 14.7 y 15.2 cm. En el golfo de Guacanayabo el desove de la especie ocurre durante los meses de marzo a julio. El reclutamiento muestra dos etapas, la primera en enero-febrero y la segunda en agostoseptiembre pudiendo ocurrir adelanto en los meses como se apreció en julio del año 2009. El reclutamiento se manifiesta en la zona oriental del golfo de Guacanayabo desde la Boca del Cauto hasta la ensenada de Gua, incluyendo los cayos de Manzanillo, pudiendo desplazarse al W de la ensenada de Gua. El golfo de Guacanayabo muestra una biomasa del orden de 600 t y los máximos de biomasa durante 2009, 2010 y 2011 se presentan en la Zona III en febrero, abril y enero respectivamente. La biomasa disminuye en la medida en que actúa fundamentalmente la mortalidad natural.
    Description: Aimed to know the biomass level of pink shrimp (Farfantepenaeus notialis) and the space-time variation of the population in the fishing area of EPIGRAN enterprise, the information of monthly research cruises was analyzed during years 2009, 2010 and 2011 (January). Size composition shows a mean size of 8.7 and 8.5 cm (Cuban length) with maximum sizes of 14.7 and 15.2 in 2009 and 2010 respectively. Taking into account the maxima values of gonadal maturation for areas, the Guacanayabo gulf shows that spawning takes place during the months of March to July. The recruitment confirm two stages during the year, the first one during January-February and the second during August-September, being noted that a recruitment advance may occur as observed in July, 2009. During the studied years, recruitment is mainly observed in the eastern area of Guacanayabo gulf, from the Boca del Cauto until Gua bay, including the Manzanillo keys, and may move to the west of Gua bay. Gulf of Guacanayabo shows a biomass in the order of 600 t, with maxima values during 2009, 2010 and 2011 occurring in the Zone III in February, April and January respectively. A biomass decrease is observed later due mainly as natural mortality takes place.
    Description: Published
    Description: Refereed
    Keywords: Farfantepanaeus notialis ; Maduración gonadal ; Reclutamiento ; Biomasa ; Gonadal maturation ; Recruitment ; Biomass
    Repository Name: AquaDocs
    Type: Journal Contribution
    Format: pp.33-46
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