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Measurement of the radiation energy in the radio signal of extensive air showers as a universal sstimator of cosmic-ray energy

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dc.contributor.authorAab, A.
dc.contributor.authorAbreu, P.
dc.contributor.authorAglietta, M.
dc.contributor.authorAhn, E.
dc.contributor.authorAl Samarai, I.
dc.contributor.authorAlbuquerque, I.
dc.contributor.authorAllekotte, I.
dc.contributor.authorAllison, P.
dc.contributor.authorAlmela, A.
dc.contributor.authorAlvarez Castillo, J.
dc.contributor.authorAlvarez-Muñiz, J.
dc.contributor.authorAlves Batista, R.
dc.contributor.authorAmbrosio, M.
dc.contributor.authorAminaei, A.
dc.contributor.authorAnastasi, G.
dc.contributor.authorAnchordoqui, L.
dc.contributor.authorAndringa, S.
dc.contributor.authorAramo, C.
dc.contributor.authorArqueros, F.
dc.contributor.authorArsene, N.
dc.contributor.authoret al.
dc.date.issued2016
dc.description.abstractWe measure the energy emitted by extensive air showers in the form of radio emission in the frequency range from 30 to 80 MHz. Exploiting the accurate energy scale of the Pierre Auger Observatory, we obtain a radiation energy of 15.8±0.7(stat)±6.7(syst)  MeV for cosmic rays with an energy of 1 EeV arriving perpendicularly to a geomagnetic field of 0.24 G, scaling quadratically with the cosmic-ray energy. A comparison with predictions from state-of-the-art first-principles calculations shows agreement with our measurement. The radiation energy provides direct access to the calorimetric energy in the electromagnetic cascade of extensive air showers. Comparison with our result thus allows the direct calibration of any cosmic-ray radio detector against the well-established energy scale of the Pierre Auger Observatory.
dc.description.statementofresponsibilityA. Aab … S. G. Blaess … R.W. Clay … B. R. Dawson … T. D. Grubb … G. C. Hill … M. Malacari … S. J. Saffi … P. van Bodegom … et at. (for the Pierre Auger Collaboration)
dc.identifier.citationPhysical Review Letters, 2016; 116(24):241101-1-241101-9
dc.identifier.doi10.1103/PhysRevLett.116.241101
dc.identifier.issn0031-9007
dc.identifier.issn1079-7114
dc.identifier.orcidBellido, J. [0000-0002-0833-9194]
dc.identifier.orcidClay, R. [0000-0002-9040-9648]
dc.identifier.orcidDawson, B. [0000-0002-4271-3055]
dc.identifier.urihttp://hdl.handle.net/2440/102425
dc.language.isoen
dc.publisherAmerican Physical Society
dc.relation.granthttp://purl.org/au-research/grants/arc/DP150101622
dc.rights© 2016 American Physical Society
dc.source.urihttp://journals.aps.org/prl/abstract/10.1103/PhysRevLett.116.241101
dc.subjectPierre Auger Collaboration
dc.titleMeasurement of the radiation energy in the radio signal of extensive air showers as a universal sstimator of cosmic-ray energy
dc.typeJournal article
pubs.publication-statusPublished

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