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Title: Cross section of a resonant-mass detector for scalar gravitational waves
Other Titles: Detectors
Author: Bianchi, M.
Brunetti, M.
Coccia, E. (Eugenio)
Fucito, F.
Lobo Gutiérrez, José Alberto, 1953-
Keywords: Ones gravitacionals
Relativitat general (Física)
Gravitational waves
General relativity (Physics)
Issue Date: 1998
Publisher: The American Physical Society
Abstract: Gravitationally coupled scalar fields, originally introduced by Jordan, Brans and Dicke to account for a non-constant gravitational coupling, are a prediction of many non-Einsteinian theories of gravity not excluding perturbative formulations of string theory. In this paper, we compute the cross sections for scattering and absorption of scalar and tensor gravitational waves by a resonant-mass detector in the framework of the Jordan-Brans-Dicke theory. The results are then specialized to the case of a detector of spherical shape and shown to reproduce those obtained in general relativity in a certain limit. Eventually we discuss the potential detectability of scalar waves emitted in a spherically symmetric gravitational collapse.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i
It is part of: Physical Review D, 1998, vol. 57, núm. 8, p. 4525-4534
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ISSN: 0556-2821
Appears in Collections:Articles publicats en revistes (Física de la Matèria Condensada)

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