Results 11 to 20 of about 394,194 (163)
A portable graphite calorimeter for onsite reference dosimetry and beam quality correction factor determination. [PDF]
Abstract Purpose To present a portable, reliable, and fast setup graphite calorimeter for onsite absolute dose measurements at hospitals. Methods We have designed and built a portable graphite calorimeter optimized for fast setup and accurate measurements at clinical centers. Our system has minimum readout and auxiliary electronics and is inserted in a
Gómez-Fernández N +4 more
europepmc +2 more sources
En el último libro del autor de la teoría de los agujeros negros, se intenta dar una respuesta al origen del universo desde la física cuántica, a partir precisamente de las interacciones de espacio, el tiempo y la energía de la materia. Hasta el momento,
William Guillermo Jimenez
doaj +1 more source
Are there Einsteinian gravities involving covariant derivatives of the Riemann tensor?
We study the particle content of higher derivative theories of gravity built with contractions of the Riemann tensor and its covariant derivatives. In the absence of the latter, there is a family of theories exhibiting an Einsteinian spectrum known as ...
José D. Edelstein +2 more
doaj +1 more source
TOFtracker: combination of time-of-flight and high-accuracy bidimensional tracking in a single gaseous detector [PDF]
A 5-gap timing RPC equipped with patterned electrodes coupled to both charge-sensitive and timing circuits yields a time accuracy of 77 ps along with a position accuracy of 38 μm.
Blanco, Alberto +9 more
core +1 more source
APROXIMACIÓN A LA TERMINOLOGÍA DE LAS PARTÍCULAS EN LA GRAMATICOGRAFÍA ESPAÑOLA: SIGLOS XVI-XVIII [PDF]
El objetivo de esta contribución es analizar el tratamiento de la terminología asociada a las partículas ―entendidas como clases de palabras invariables; a saber: adverbio, preposición, conjunción e interjección― en una selección de textos gramaticales ...
CAROLINA MARTÍN GALLEGO
doaj
Los relatos coloquiales: partÃculas discursivas y polifonÃa
Les particules discursives assument la fonction de marque de citation quand elles apparaissent dans le discours rapporté typique de la conversation familière: ce qui est dénommé le discours direct cité. Une analyse exhaustive de deux corpus conversationnels de l’espagnol de la Péninsule nous a permis d’identifier les particules discursives les plus ...
openaire +4 more sources
Resumo A gestão do uso da água no ambiente agrícola é fator decisivo para a construção de métodos produtivos ambientalmente sustentáveis. A fotocatálise é um método promissor para a descontaminação de águas.
T. R. Giraldi +5 more
doaj +1 more source
FUNDAMENTOS CONCEPTUALES DE UNA TEORÍA DE INTERFERENCIA UNIFICADA PARA ONDAS Y PARTÍCULAS
La interferencia de la luz y de la materia se aborda de manera muy distinta, a pesar de que sea producida por arreglos experimentales con la misma configuración a escala diferente, que entregan resultados de morfología similar, llamados patrones de ...
Román Castañeda
doaj +1 more source
Universal renormalization procedure for higher curvature gravities in D ≤ 5
We implement a universal method for renormalizing AdS gravity actions applicable to arbitrary higher curvature theories in up to five dimensions. The renormalization procedure considers the extrinsic counterterm for Einstein-AdS gravity given by the ...
Ignacio J. Araya +4 more
doaj +1 more source
Multiparticle production in proton–nucleus collisions beyond eikonal accuracy
We study the effects on multigluon production at mid-rapidity in the Color Glass Condensate of the non-eikonal corrections that stem from relaxing the shockwave approximation and giving the target a finite size.
Pedro Agostini +4 more
doaj +1 more source

