First observation of PeV-energy neutrinos with IceCube

First observation of PeV-energy neutrinos with IceCube

We report on the observation of two neutrino-induced events which have an estimated deposited energy in the IceCube detector of 1.04±0.16 and 1.14±0.17  PeV, respectively, the highest neutrino energies observed so far. These events are consistent with fully contained particle showers induced by neut...

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Main Authors: Aartsen, M., Abbasi, R., Abdou, Y., Ackermann, M., Adams, J., Aguilar, J., Ahlers, M., Altmann, D., Auffenberg, J., Bai, X., Baker, M., Barwick, S., Baum, V., Bay, R., Beatty, J., Bechet, S., Becker Tjus, J., Becker, K., Bell, M., Benabderrahmane, M., Benzvi, S., Berdermann, J., Berghaus, P., Berley, D., Bernardini, E., Bernhard, A., Bertrand, D., Besson, D., Binder, G., Bindig, D., Bissok, M., Blaufuss, E., Blumenthal, J., Boersma, D., Bohaichuk, S., Bohm, C., Bose, D., Böser, S., Botner, O., Brayeur, L., Bretz, H., Brown, A., Bruijn, R., Brunner, J., Carson, Michael, Casey, J., Casier, M., Chirkin, D., Christov, A., Christy, B., Clark, K., Clevermann, F., Coenders, S., Cohen, S., Cowen, D., Cruz Silva, A., Danninger, M., Daughhetee, J., Davis, J., De Clercq, C., De Ridder, S., Desiati, P., De With, M., Deyoung, T., Díaz-Vélez, J., Dunkman, M., Eagan, R., Eberhardt, B., Eisch, J., Ellsworth, R., Euler, S., Evenson, P., Fadiran, O., Fazely, A., Fedynitch, A., Feintzeig, J., Feusels, T., Filimonov, K., Finley, C., Fischer-Wasels, T., Flis, S., Franckowiak, A., Franke, R., Frantzen, K., Fuchs, T., Gaisser, T., Gallagher, J., Gerhardt, L., Gladstone, L., Glüsenkamp, T., Goldschmidt, A., Golup, G., Gonzalez, J., Goodman, J., Góra, D., Grant, D.
Format: Journal Article
Published: 2013
Online Access:http://hdl.handle.net/20.500.11937/41159
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author Aartsen, M.
Abbasi, R.
Abdou, Y.
Ackermann, M.
Adams, J.
Aguilar, J.
Ahlers, M.
Altmann, D.
Auffenberg, J.
Bai, X.
Baker, M.
Barwick, S.
Baum, V.
Bay, R.
Beatty, J.
Bechet, S.
Becker Tjus, J.
Becker, K.
Bell, M.
Benabderrahmane, M.
Benzvi, S.
Berdermann, J.
Berghaus, P.
Berley, D.
Bernardini, E.
Bernhard, A.
Bertrand, D.
Besson, D.
Binder, G.
Bindig, D.
Bissok, M.
Blaufuss, E.
Blumenthal, J.
Boersma, D.
Bohaichuk, S.
Bohm, C.
Bose, D.
Böser, S.
Botner, O.
Brayeur, L.
Bretz, H.
Brown, A.
Bruijn, R.
Brunner, J.
Carson, Michael
Casey, J.
Casier, M.
Chirkin, D.
Christov, A.
Christy, B.
Clark, K.
Clevermann, F.
Coenders, S.
Cohen, S.
Cowen, D.
Cruz Silva, A.
Danninger, M.
Daughhetee, J.
Davis, J.
De Clercq, C.
De Ridder, S.
Desiati, P.
De With, M.
Deyoung, T.
Díaz-Vélez, J.
Dunkman, M.
Eagan, R.
Eberhardt, B.
Eisch, J.
Ellsworth, R.
Euler, S.
Evenson, P.
Fadiran, O.
Fazely, A.
Fedynitch, A.
Feintzeig, J.
Feusels, T.
Filimonov, K.
Finley, C.
Fischer-Wasels, T.
Flis, S.
Franckowiak, A.
Franke, R.
Frantzen, K.
Fuchs, T.
Gaisser, T.
Gallagher, J.
Gerhardt, L.
Gladstone, L.
Glüsenkamp, T.
Goldschmidt, A.
Golup, G.
Gonzalez, J.
Goodman, J.
Góra, D.
Grant, D.
author_facet Aartsen, M.
Abbasi, R.
Abdou, Y.
Ackermann, M.
Adams, J.
Aguilar, J.
Ahlers, M.
Altmann, D.
Auffenberg, J.
Bai, X.
Baker, M.
Barwick, S.
Baum, V.
Bay, R.
Beatty, J.
Bechet, S.
Becker Tjus, J.
Becker, K.
Bell, M.
Benabderrahmane, M.
Benzvi, S.
Berdermann, J.
Berghaus, P.
Berley, D.
Bernardini, E.
Bernhard, A.
Bertrand, D.
Besson, D.
Binder, G.
Bindig, D.
Bissok, M.
Blaufuss, E.
Blumenthal, J.
Boersma, D.
Bohaichuk, S.
Bohm, C.
Bose, D.
Böser, S.
Botner, O.
Brayeur, L.
Bretz, H.
Brown, A.
Bruijn, R.
Brunner, J.
Carson, Michael
Casey, J.
Casier, M.
Chirkin, D.
Christov, A.
Christy, B.
Clark, K.
Clevermann, F.
Coenders, S.
Cohen, S.
Cowen, D.
Cruz Silva, A.
Danninger, M.
Daughhetee, J.
Davis, J.
De Clercq, C.
De Ridder, S.
Desiati, P.
De With, M.
Deyoung, T.
Díaz-Vélez, J.
Dunkman, M.
Eagan, R.
Eberhardt, B.
Eisch, J.
Ellsworth, R.
Euler, S.
Evenson, P.
Fadiran, O.
Fazely, A.
Fedynitch, A.
Feintzeig, J.
Feusels, T.
Filimonov, K.
Finley, C.
Fischer-Wasels, T.
Flis, S.
Franckowiak, A.
Franke, R.
Frantzen, K.
Fuchs, T.
Gaisser, T.
Gallagher, J.
Gerhardt, L.
Gladstone, L.
Glüsenkamp, T.
Goldschmidt, A.
Golup, G.
Gonzalez, J.
Goodman, J.
Góra, D.
Grant, D.
author_sort Aartsen, M.
building Curtin Institutional Repository
collection Online Access
description We report on the observation of two neutrino-induced events which have an estimated deposited energy in the IceCube detector of 1.04±0.16 and 1.14±0.17  PeV, respectively, the highest neutrino energies observed so far. These events are consistent with fully contained particle showers induced by neutral-current νe,μ,τ (ν¯e,μ,τ) or charged-current νe (ν¯e) interactions within the IceCube detector. The events were discovered in a search for ultrahigh energy neutrinos using data corresponding to 615.9 days effective live time. The expected number of atmospheric background is 0.082±0.004(stat)+0.041−0.057(syst). The probability of observing two or more candidate events under the atmospheric background-only hypothesis is 2.9×10−3 (2.8σ) taking into account the uncertainty on the expected number of background events. These two events could be a first indication of an astrophysical neutrino flux; the moderate significance, however, does not permit a definitive conclusion at this time.
first_indexed 2025-11-14T09:06:18Z
format Journal Article
id curtin-20.500.11937-41159
institution Curtin University Malaysia
institution_category Local University
last_indexed 2025-11-14T09:06:18Z
publishDate 2013
recordtype eprints
repository_type Digital Repository
spelling curtin-20.500.11937-411592018-03-29T09:07:09Z First observation of PeV-energy neutrinos with IceCube Aartsen, M. Abbasi, R. Abdou, Y. Ackermann, M. Adams, J. Aguilar, J. Ahlers, M. Altmann, D. Auffenberg, J. Bai, X. Baker, M. Barwick, S. Baum, V. Bay, R. Beatty, J. Bechet, S. Becker Tjus, J. Becker, K. Bell, M. Benabderrahmane, M. Benzvi, S. Berdermann, J. Berghaus, P. Berley, D. Bernardini, E. Bernhard, A. Bertrand, D. Besson, D. Binder, G. Bindig, D. Bissok, M. Blaufuss, E. Blumenthal, J. Boersma, D. Bohaichuk, S. Bohm, C. Bose, D. Böser, S. Botner, O. Brayeur, L. Bretz, H. Brown, A. Bruijn, R. Brunner, J. Carson, Michael Casey, J. Casier, M. Chirkin, D. Christov, A. Christy, B. Clark, K. Clevermann, F. Coenders, S. Cohen, S. Cowen, D. Cruz Silva, A. Danninger, M. Daughhetee, J. Davis, J. De Clercq, C. De Ridder, S. Desiati, P. De With, M. Deyoung, T. Díaz-Vélez, J. Dunkman, M. Eagan, R. Eberhardt, B. Eisch, J. Ellsworth, R. Euler, S. Evenson, P. Fadiran, O. Fazely, A. Fedynitch, A. Feintzeig, J. Feusels, T. Filimonov, K. Finley, C. Fischer-Wasels, T. Flis, S. Franckowiak, A. Franke, R. Frantzen, K. Fuchs, T. Gaisser, T. Gallagher, J. Gerhardt, L. Gladstone, L. Glüsenkamp, T. Goldschmidt, A. Golup, G. Gonzalez, J. Goodman, J. Góra, D. Grant, D. We report on the observation of two neutrino-induced events which have an estimated deposited energy in the IceCube detector of 1.04±0.16 and 1.14±0.17  PeV, respectively, the highest neutrino energies observed so far. These events are consistent with fully contained particle showers induced by neutral-current νe,μ,τ (ν¯e,μ,τ) or charged-current νe (ν¯e) interactions within the IceCube detector. The events were discovered in a search for ultrahigh energy neutrinos using data corresponding to 615.9 days effective live time. The expected number of atmospheric background is 0.082±0.004(stat)+0.041−0.057(syst). The probability of observing two or more candidate events under the atmospheric background-only hypothesis is 2.9×10−3 (2.8σ) taking into account the uncertainty on the expected number of background events. These two events could be a first indication of an astrophysical neutrino flux; the moderate significance, however, does not permit a definitive conclusion at this time. 2013 Journal Article http://hdl.handle.net/20.500.11937/41159 10.1103/PhysRevLett.111.021103 restricted
spellingShingle Aartsen, M.
Abbasi, R.
Abdou, Y.
Ackermann, M.
Adams, J.
Aguilar, J.
Ahlers, M.
Altmann, D.
Auffenberg, J.
Bai, X.
Baker, M.
Barwick, S.
Baum, V.
Bay, R.
Beatty, J.
Bechet, S.
Becker Tjus, J.
Becker, K.
Bell, M.
Benabderrahmane, M.
Benzvi, S.
Berdermann, J.
Berghaus, P.
Berley, D.
Bernardini, E.
Bernhard, A.
Bertrand, D.
Besson, D.
Binder, G.
Bindig, D.
Bissok, M.
Blaufuss, E.
Blumenthal, J.
Boersma, D.
Bohaichuk, S.
Bohm, C.
Bose, D.
Böser, S.
Botner, O.
Brayeur, L.
Bretz, H.
Brown, A.
Bruijn, R.
Brunner, J.
Carson, Michael
Casey, J.
Casier, M.
Chirkin, D.
Christov, A.
Christy, B.
Clark, K.
Clevermann, F.
Coenders, S.
Cohen, S.
Cowen, D.
Cruz Silva, A.
Danninger, M.
Daughhetee, J.
Davis, J.
De Clercq, C.
De Ridder, S.
Desiati, P.
De With, M.
Deyoung, T.
Díaz-Vélez, J.
Dunkman, M.
Eagan, R.
Eberhardt, B.
Eisch, J.
Ellsworth, R.
Euler, S.
Evenson, P.
Fadiran, O.
Fazely, A.
Fedynitch, A.
Feintzeig, J.
Feusels, T.
Filimonov, K.
Finley, C.
Fischer-Wasels, T.
Flis, S.
Franckowiak, A.
Franke, R.
Frantzen, K.
Fuchs, T.
Gaisser, T.
Gallagher, J.
Gerhardt, L.
Gladstone, L.
Glüsenkamp, T.
Goldschmidt, A.
Golup, G.
Gonzalez, J.
Goodman, J.
Góra, D.
Grant, D.
First observation of PeV-energy neutrinos with IceCube
title First observation of PeV-energy neutrinos with IceCube
title_full First observation of PeV-energy neutrinos with IceCube
title_fullStr First observation of PeV-energy neutrinos with IceCube
title_full_unstemmed First observation of PeV-energy neutrinos with IceCube
title_short First observation of PeV-energy neutrinos with IceCube
title_sort first observation of pev-energy neutrinos with icecube
url http://hdl.handle.net/20.500.11937/41159

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