Observation of an Unusual Upward-Going Cosmic-Ray-like Event in the Third Flight of ANITA

P. W. Gorham; B. Rotter; P. Allison; O. Banerjee; L. Batten; J. J. Beatty; K. Bechtol; K. Belov; D. Z. Besson; W. R. Binns; V. Bugaev; P. Cao; C. C. Chen; C. H. Chen; P. Chen; J. M. Clem; A. Connolly; L. Cremonesi; B. Dailey; C. Deaconu; P. F. Dowkontt; B. D. Fox; J. W.H. Gordon; C. Hast; B. Hill; K. Hughes; J. J. Huang; R. Hupe; M. H. Israel; A. Javaid; J. Lam; K. M. Liewer; S. Y. Lin; T. C. Liu; A. Ludwig; L. Macchiarulo; S. Matsuno; C. Miki; K. Mulrey; J. Nam; C. J. Naudet; R. J. Nichol; A. Novikov; E. Oberla; M. Olmedo; R. Prechelt; S. Prohira; B. F. Rauch; J. M. Roberts; A. Romero-Wolf; J. W. Russell; D. Saltzberg; D. Seckel; H. Schoorlemmer; J. Shiao; S. Stafford; J. Stockham; M. Stockham; B. Strutt; G. S. Varner; A. G. Vieregg; S. H. Wang; S. A. Wissel

doi:10.1103/PhysRevLett.121.161102

Observation of an Unusual Upward-Going Cosmic-Ray-like Event in the Third Flight of ANITA

P. W. Gorham, B. Rotter, P. Allison, O. Banerjee, L. Batten, J. J. Beatty, K. Bechtol, K. Belov, D. Z. Besson, W. R. Binns, V. Bugaev, P. Cao, C. C. Chen, C. H. Chen, P. Chen, J. M. Clem, A. Connolly, L. Cremonesi, B. Dailey, C. DeaconuP. F. Dowkontt, B. D. Fox, J. W.H. Gordon, C. Hast, B. Hill, K. Hughes, J. J. Huang, R. Hupe, M. H. Israel, A. Javaid, J. Lam, K. M. Liewer, S. Y. Lin, T. C. Liu, A. Ludwig, L. Macchiarulo, S. Matsuno, C. Miki, K. Mulrey, J. Nam, C. J. Naudet, R. J. Nichol, A. Novikov, E. Oberla, M. Olmedo, R. Prechelt, S. Prohira, B. F. Rauch, J. M. Roberts, A. Romero-Wolf, J. W. Russell, D. Saltzberg, D. Seckel, H. Schoorlemmer, J. Shiao, S. Stafford, J. Stockham, M. Stockham, B. Strutt, G. S. Varner, A. G. Vieregg, S. H. Wang, S. A. Wissel

Physics

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Abstract

We report on an upward traveling, radio-detected cosmic-ray-like impulsive event with characteristics closely matching an extensive air shower. This event, observed in the third flight of the Antarctic Impulsive Transient Antenna (ANITA), a NASA-sponsored long-duration balloon payload, is consistent with a similar event reported in a previous flight. These events could be produced by the atmospheric decay of an upward-propagating τ lepton produced by a ντ interaction, although their relatively steep arrival angles create tension with the standard model neutrino cross section. Each of the two events have a posteriori background estimates of 10-2 events. If these are generated by τ-lepton decay, then either the charged-current ντ cross section is suppressed at EeV energies, or the events arise at moments when the peak flux of a transient neutrino source was much larger than the typical expected cosmogenic background neutrinos.

Original language	English (US)
Article number	161102
Journal	Physical review letters
Volume	121
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevLett.121.161102
State	Published - Oct 18 2018

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.121.161102

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Gorham, P. W., Rotter, B., Allison, P., Banerjee, O., Batten, L., Beatty, J. J., Bechtol, K., Belov, K., Besson, D. Z., Binns, W. R., Bugaev, V., Cao, P., Chen, C. C., Chen, C. H., Chen, P., Clem, J. M., Connolly, A., Cremonesi, L., Dailey, B., ... Wissel, S. A. (2018). Observation of an Unusual Upward-Going Cosmic-Ray-like Event in the Third Flight of ANITA. Physical review letters, 121(16), Article 161102. https://doi.org/10.1103/PhysRevLett.121.161102

@article{3fa3a30f85dd4043887e7788bb229641,

title = "Observation of an Unusual Upward-Going Cosmic-Ray-like Event in the Third Flight of ANITA",

abstract = "We report on an upward traveling, radio-detected cosmic-ray-like impulsive event with characteristics closely matching an extensive air shower. This event, observed in the third flight of the Antarctic Impulsive Transient Antenna (ANITA), a NASA-sponsored long-duration balloon payload, is consistent with a similar event reported in a previous flight. These events could be produced by the atmospheric decay of an upward-propagating τ lepton produced by a ντ interaction, although their relatively steep arrival angles create tension with the standard model neutrino cross section. Each of the two events have a posteriori background estimates of 10-2 events. If these are generated by τ-lepton decay, then either the charged-current ντ cross section is suppressed at EeV energies, or the events arise at moments when the peak flux of a transient neutrino source was much larger than the typical expected cosmogenic background neutrinos.",

author = "Gorham, {P. W.} and B. Rotter and P. Allison and O. Banerjee and L. Batten and Beatty, {J. J.} and K. Bechtol and K. Belov and Besson, {D. Z.} and Binns, {W. R.} and V. Bugaev and P. Cao and Chen, {C. C.} and Chen, {C. H.} and P. Chen and Clem, {J. M.} and A. Connolly and L. Cremonesi and B. Dailey and C. Deaconu and Dowkontt, {P. F.} and Fox, {B. D.} and Gordon, {J. W.H.} and C. Hast and B. Hill and K. Hughes and Huang, {J. J.} and R. Hupe and Israel, {M. H.} and A. Javaid and J. Lam and Liewer, {K. M.} and Lin, {S. Y.} and Liu, {T. C.} and A. Ludwig and L. Macchiarulo and S. Matsuno and C. Miki and K. Mulrey and J. Nam and Naudet, {C. J.} and Nichol, {R. J.} and A. Novikov and E. Oberla and M. Olmedo and R. Prechelt and S. Prohira and Rauch, {B. F.} and Roberts, {J. M.} and A. Romero-Wolf and Russell, {J. W.} and D. Saltzberg and D. Seckel and H. Schoorlemmer and J. Shiao and S. Stafford and J. Stockham and M. Stockham and B. Strutt and Varner, {G. S.} and Vieregg, {A. G.} and Wang, {S. H.} and Wissel, {S. A.}",

note = "Publisher Copyright: {\textcopyright} 2018 American Physical Society.",

year = "2018",

month = oct,

day = "18",

doi = "10.1103/PhysRevLett.121.161102",

language = "English (US)",

volume = "121",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "16",

}

Gorham, PW, Rotter, B, Allison, P, Banerjee, O, Batten, L, Beatty, JJ, Bechtol, K, Belov, K, Besson, DZ, Binns, WR, Bugaev, V, Cao, P, Chen, CC, Chen, CH, Chen, P, Clem, JM, Connolly, A, Cremonesi, L, Dailey, B, Deaconu, C, Dowkontt, PF, Fox, BD, Gordon, JWH, Hast, C, Hill, B, Hughes, K, Huang, JJ, Hupe, R, Israel, MH, Javaid, A, Lam, J, Liewer, KM, Lin, SY, Liu, TC, Ludwig, A, Macchiarulo, L, Matsuno, S, Miki, C, Mulrey, K, Nam, J, Naudet, CJ, Nichol, RJ, Novikov, A, Oberla, E, Olmedo, M, Prechelt, R, Prohira, S, Rauch, BF, Roberts, JM, Romero-Wolf, A, Russell, JW, Saltzberg, D, Seckel, D, Schoorlemmer, H, Shiao, J, Stafford, S, Stockham, J, Stockham, M, Strutt, B, Varner, GS, Vieregg, AG, Wang, SH & Wissel, SA 2018, 'Observation of an Unusual Upward-Going Cosmic-Ray-like Event in the Third Flight of ANITA', Physical review letters, vol. 121, no. 16, 161102. https://doi.org/10.1103/PhysRevLett.121.161102

TY - JOUR

T1 - Observation of an Unusual Upward-Going Cosmic-Ray-like Event in the Third Flight of ANITA

AU - Gorham, P. W.

AU - Rotter, B.

AU - Allison, P.

AU - Banerjee, O.

AU - Batten, L.

AU - Beatty, J. J.

AU - Bechtol, K.

AU - Belov, K.

AU - Besson, D. Z.

AU - Binns, W. R.

AU - Bugaev, V.

AU - Cao, P.

AU - Chen, C. C.

AU - Chen, C. H.

AU - Chen, P.

AU - Clem, J. M.

AU - Connolly, A.

AU - Cremonesi, L.

AU - Dailey, B.

AU - Deaconu, C.

AU - Dowkontt, P. F.

AU - Fox, B. D.

AU - Gordon, J. W.H.

AU - Hast, C.

AU - Hill, B.

AU - Hughes, K.

AU - Huang, J. J.

AU - Hupe, R.

AU - Israel, M. H.

AU - Javaid, A.

AU - Lam, J.

AU - Liewer, K. M.

AU - Lin, S. Y.

AU - Liu, T. C.

AU - Ludwig, A.

AU - Macchiarulo, L.

AU - Matsuno, S.

AU - Miki, C.

AU - Mulrey, K.

AU - Nam, J.

AU - Naudet, C. J.

AU - Nichol, R. J.

AU - Novikov, A.

AU - Oberla, E.

AU - Olmedo, M.

AU - Prechelt, R.

AU - Prohira, S.

AU - Rauch, B. F.

AU - Roberts, J. M.

AU - Romero-Wolf, A.

AU - Russell, J. W.

AU - Saltzberg, D.

AU - Seckel, D.

AU - Schoorlemmer, H.

AU - Shiao, J.

AU - Stafford, S.

AU - Stockham, J.

AU - Stockham, M.

AU - Strutt, B.

AU - Varner, G. S.

AU - Vieregg, A. G.

AU - Wang, S. H.

AU - Wissel, S. A.

PY - 2018/10/18

Y1 - 2018/10/18

N2 - We report on an upward traveling, radio-detected cosmic-ray-like impulsive event with characteristics closely matching an extensive air shower. This event, observed in the third flight of the Antarctic Impulsive Transient Antenna (ANITA), a NASA-sponsored long-duration balloon payload, is consistent with a similar event reported in a previous flight. These events could be produced by the atmospheric decay of an upward-propagating τ lepton produced by a ντ interaction, although their relatively steep arrival angles create tension with the standard model neutrino cross section. Each of the two events have a posteriori background estimates of 10-2 events. If these are generated by τ-lepton decay, then either the charged-current ντ cross section is suppressed at EeV energies, or the events arise at moments when the peak flux of a transient neutrino source was much larger than the typical expected cosmogenic background neutrinos.

AB - We report on an upward traveling, radio-detected cosmic-ray-like impulsive event with characteristics closely matching an extensive air shower. This event, observed in the third flight of the Antarctic Impulsive Transient Antenna (ANITA), a NASA-sponsored long-duration balloon payload, is consistent with a similar event reported in a previous flight. These events could be produced by the atmospheric decay of an upward-propagating τ lepton produced by a ντ interaction, although their relatively steep arrival angles create tension with the standard model neutrino cross section. Each of the two events have a posteriori background estimates of 10-2 events. If these are generated by τ-lepton decay, then either the charged-current ντ cross section is suppressed at EeV energies, or the events arise at moments when the peak flux of a transient neutrino source was much larger than the typical expected cosmogenic background neutrinos.

UR - http://www.scopus.com/inward/record.url?scp=85055133297&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=85055133297&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.121.161102

DO - 10.1103/PhysRevLett.121.161102

M3 - Article

C2 - 30387639

AN - SCOPUS:85055133297

SN - 0031-9007

VL - 121

JO - Physical review letters

JF - Physical review letters

IS - 16

M1 - 161102

ER -

Observation of an Unusual Upward-Going Cosmic-Ray-like Event in the Third Flight of ANITA

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