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Title

Cross section of a resonant-mass detector for scalar gravitational waves

Authors
Bianchi, M.
Coccia, E.
Fucito, F.
Lobo, J. A.
Published in Physical Review. D. 1998, vol. 57, no. 8, p. 4525-4534
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.
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BIANCHI, M. et al. Cross section of a resonant-mass detector for scalar gravitational waves. In: Physical Review. D, 1998, vol. 57, n° 8, p. 4525-4534. https://archive-ouverte.unige.ch/unige:86442

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Deposited on : 2016-08-29

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