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Phys. Rev. Lett. 84, 14–17 (2000)

Cosmic Rays Observed by the Resonant Gravitational Wave Detector NAUTILUS

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P. Astone1, M. Bassan2, P. Bonifazi3, P. Carelli4, E. Coccia2, V. Fafone6, S. D'Antonio6, S. Frasca5, A. Marini6, E. Mauceli6, G. Mazzitelli6, Y. Minenkov2, I. Modena2, G. Modestino6,*, A. Moleti2, G. V. Pallottino5, M. A. Papa6, G. Pizzella7, F. Ronga6, R. Terenzi3, M. Visco3, and L. Votano6
1Istituto Nazionale di Fisica Nucleare INFN, Rome, Italy
2University of Rome “Tor Vergata” and INFN, Rome, Italy
3IFSI-CNR and INFN, Rome, Italy
4University of L'Aquila and INFN, Rome, Italy
5University of Rome “La Sapienza” and INFN, Rome, Italy
6Istituto Nazionale di Fisica Nucleare INFN, Frascati, Italy
7University of Rome “Tor Vergata” and INFN, Frascati, Italy

Received 12 May 1999; published in the issue dated 3 January 2000

The passage of cosmic rays has been observed to excite mechanical vibrations in the resonant gravitational wave detector NAUTILUS operating at temperature of 100 mK. A very significant correlation (more than 10 standard deviations) is found.

© 2000 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevLett.84.14
DOI:
10.1103/PhysRevLett.84.14
PACS:
04.80.Nn, 95.55.Ym

*Permanent address: Istituto Nazionale Fisica Nucleare-LNF, via E.Fermi 40, 00044 Frascati (Roma), Italy. Electronic address: modestino@lnf.infn.it