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Resumen En un estudio estadistico se considéra un conjunto, llamado poblacion, de elementos, que se denominan individuos, de los cuales se estudia un aspecto determinado, que se denomina caracter y tambien variable estadistica o... more
Resumen En un estudio estadistico se considéra un conjunto, llamado poblacion, de elementos, que se denominan individuos, de los cuales se estudia un aspecto determinado, que se denomina caracter y tambien variable estadistica o simplemente variable. Estas observaciones pueden incluir el total de la poblacion o limitarse por razones de economia, a una parte de los individuos que la constituyen es decir de una muestra. En este ultimo caso , a partir de los datos obtenidos para la muestra elegida, se infieren resultados para toda la poblacion. En esta experiencia se pretende determinar la actividad de una muestra de 60 Co tomando una cantidad especifica de medidas (í µí± = 30) con un tiempo de espera de 1 minuto, utilizando un voltaje de trabajo de 580 (í µí±),con el fin de determinar la desviacion estadistica de los datos obtenidos. Abstract In a statistical study a set is considered, called population, of elements, that are called individuals, of which a determined aspect is studied, that is denominated character and also variable statistical or simply variable. These observations can include the total of the population or be limited for reasons of economy, to a part of the individuals that constitute it, that is, of a sample. In the latter case, based on the data obtained for the chosen sample, results are inferred for the entire population. In this experience, we intend to determine the activity of a 60 Co sample by taking a specific quantity of measurements (í µí± = 30) with a waiting time of 1
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Resumen Los nucleídos son átomos o núcleos atómicos los cuales poseen un número especifico de protones (Z) y un nú-mero de neutrones (N), existen más de 3800 nucleídos descubiertos de los cuales solo el 10 % son estables, debido a la... more
Resumen Los nucleídos son átomos o núcleos atómicos los cuales poseen un número especifico de protones (Z) y un nú-mero de neutrones (N), existen más de 3800 nucleídos descubiertos de los cuales solo el 10 % son estables, debido a la cantidad exorbitante de nucleídos descubiertos, una configuración de orden como el presentado en la tabla periódica (de los elementos químicos) es ineficiente y no permite sintetizar muchas de las propiedades que cada uno de los nucleídos posee, ni permite establecer un patrón que nos permita predecir ciertos comportamientos. La tabla de los radio nucleídos tiene una configuración la cual nos permite saber las propiedades básicas e importantes de cada uno de los nucleídos, tales como el periodo de semidesintegración (es decir, el tiempo que tiene una muestra radiactiva para la cual la actividad es la mitad de la actividad inicial), el número másico (el cual nos dice en total cuantos protones y neutrones tiene el nucleido), el decaimiento de el nucleido (ya sea por emisión de partículas alfa, o por emisión beta positivo o negativo), etc. El presente informe de laboratorio muestra datos de algunos nucleídos de los cuales se identifica sus propiedades y con base en ello se halla el patrón con el cual fue pensada su configuración, haciendo patente de forma explícita su funcionalidad y porque es tan importante, pues la tabla de radio nucleídos es a la física nuclear como la tabla periódica es a la química. Abstract Nucleids are atoms or atomic nuclei which have a specific number of protons (Z) and a number of neutrons (N), there are more than 3800 nucleated discovered of which only 10 % are stable, due to the amount exorbitant discovered nuclei, is possible and does not allow many of the properties that each of the nuclei possesses, allows a pattern that allows us to predict certain behaviors. The table of nucleated radios has a page that allows to know the basic properties and the important aspects of each of the nucleidos, the stories as the half-life period (that is, the time that a radioactive sample has for which the activity is the half of the initial activity), the mass number, the decay of the nuclide (either by emission of alpha particles, or by positive or negative beta emission), etc.. The present laboratory report shows data of some nuclei of which its properties are identified and based on it, it was found the pattern with which it was thought, making the patent in an explicit way its functionality and because it is so important, because the table of radio nuclides is to nuclear physics as the periodic table is to chemistry.
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A detailed review is made on the classical concepts of General Relativity that allow us to heuristically infer a first formulation of the so-called Holographic Principle. With the study of rotating black holes and their properties related... more
A detailed review is made on the classical concepts of General Relativity that allow us to
heuristically infer a first formulation of the so-called Holographic Principle. With the study
of rotating black holes and their properties related to the area of the Event Horizon, the
Hawking Area Theorem is formally stated. We also review of the concept of Entropy to
establish the theoretical framework that justifies the connection between the horizon area
and entropy through Information Theory on what is known as the Bekenstein Entropy.
Including black holes in the laws of thermodynamics imply a generalization of the Second
Law. This postulated generalized law has as a consequence a limit in the entropy of the
Universe. Finally, under a weak interaction and spherical symmetry considerations it is
found a that the entropy of a system is bounded from above by one-fourth of the area (in
natural units) of the minimum sphere containing the system.
heuristically infer a first formulation of the so-called Holographic Principle. With the study
of rotating black holes and their properties related to the area of the Event Horizon, the
Hawking Area Theorem is formally stated. We also review of the concept of Entropy to
establish the theoretical framework that justifies the connection between the horizon area
and entropy through Information Theory on what is known as the Bekenstein Entropy.
Including black holes in the laws of thermodynamics imply a generalization of the Second
Law. This postulated generalized law has as a consequence a limit in the entropy of the
Universe. Finally, under a weak interaction and spherical symmetry considerations it is
found a that the entropy of a system is bounded from above by one-fourth of the area (in
natural units) of the minimum sphere containing the system.
Research Interests:
El día de hoy vamos a deducir la expresión que describe el movimiento de los planetas alrededor del sol, para ello, se hará uso del cálculo, y de una vez por todas demostraremos que la órbita de un planeta es cónica.