Energy and flux measurements of ultra-high energy cosmic rays observed during the first ANITA flight

被引：62

作者：

Schoorlemmer, H. ^{[1
,2
]}

Belov, K. ^{[3
,4
]}

Romero-Wolf, A. ^{[4
]}

Garcia-Fernandez, D. ^{[5
,6
]}

Bugaev, V. ^{[7
,8
]}

Wissel, S. A. ^{[3
,9
]}

Allison, P. ^{[10
]}

Alvarez-Muniz, J. ^{[5
,6
]}

Barwick, S. W. ^{[11
]}

Beatty, J. J. ^{[10
]}

Besson, D. Z. ^{[12
,13
]}

Binns, W. R. ^{[7
,8
]}

Carvalho, W. R., Jr. ^{[5
,6
]}

Chen, C. ^{[14
,15
]}

Chen, P. ^{[14
,15
,19
]}

Clem, J. M. ^{[16
]}

Connolly, A. ^{[10
]}

Dowkontt, P. F. ^{[7
,8
]}

DuVernois, M. A. ^{[1
]}

Field, R. C. ^{[19
]}

Goldstein, D. ^{[11
]}

Gorham, P. W. ^{[1
]}

Hast, C. ^{[19
]}

Huegen, T. ^{[17
]}

Heber, C. L. ^{[1
]}

Hoover, S. ^{[3
]}

Israel, M. H. ^{[7
,8
]}

Javaid, A. ^{[16
]}

Kowalski, J. ^{[1
]}

Lam, J. ^{[3
]}

Learned, J. G. ^{[1
]}

Link, J. T. ^{[7
,8
]}

Lusczek, E. ^{[1
]}

Matsuno, S. ^{[1
]}

Mercurio, B. C. ^{[10
]}

Miki, C. ^{[1
]}

Miocinovic, P. ^{[1
]}

Mulrey, K. ^{[16
]}

Nam, J. ^{[1
]}

Naudet, C. J. ^{[4
]}

Ng, J. ^{[19
]}

Nichol, R. J. ^{[18
]}

Palladino, K. ^{[10
]}

Rauch, B. F. ^{[7
,8
]}

Roberts, J. ^{[1
]}

Reil, K. ^{[19
]}

Rotter, B. ^{[1
]}

Rosen, M. ^{[1
]}

Ruckman, L. ^{[1
]}

Saltzberg, D. ^{[3
]}

机构：

[1] Univ Hawaii Manoa, Dept Phys & Astron, Honolulu, HI 96822 USA

[2] Max Planck Inst Kernphys, Saupfercheckweg 1, D-69117 Heidelberg, Germany

[3] Univ Calif Los Angeles, Dept Phys & Astron, Los Angeles, CA 90095 USA

[4] CALTECH, Jet Prop Lab, 4800 Oak Grove Dr, Pasadena, CA 91109 USA

[5] Univ Santiago de Compostela, Dept Fis Particulas, Santiago De Compostela 15782, Spain

[6] Univ Santiago de Compostela, Inst Galego Fis Altas Enerxias, Santiago De Compostela 15782, Spain

[7] Washington Univ, Dept Phys, St Louis, MO 63130 USA

[8] Washington Univ, McDonnell Ctr Space Sci, St Louis, MO 63130 USA

[9] Calif Polytech State Univ San Luis Obispo, Dept Phys, San Luis Obispo, CA 93407 USA

[10] Ohio State Univ, Dept Phys, 174 W 18th Ave, Columbus, OH 43210 USA

[11] Univ Calif Irvine, Dept Phys, Irvine, CA 92697 USA

[12] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA

[13] Natl Res Nucl Univ, Moscow Engn Phys Inst, Moscow 115409, Russia

[14] Natl Taiwan Univ, Grad Inst Astrophys, Dept Phys, Taipei 10617, Taiwan

[15] Natl Taiwan Univ, Leung Ctr Cosmol & Particle Astrophys, Taipei 10617, Taiwan

[16] Univ Delaware, Dept Phys, Newark, DE 19716 USA

[17] Karlsruhe Inst Technol, Inst Kernphys, D-76344 Karlsruhe, Germany

[18] UCL, Dept Phys & Astron, London WC1 EBT, England

[19] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

[20] Univ Minnesota, Sch Phys & Astron, Minneapolis, MN 55455 USA

[21] Univ Chicago, Kavli Inst Cosmol Phys, Dept Phys, Enrico Fermi Inst, Chicago, IL 60637 USA

来源：

ASTROPARTICLE PHYSICS | 2016年 / 77卷

基金：

美国国家科学基金会;

关键词：

Cosmic rays; Air shower; Radio detection; AIR-SHOWERS; RADIO-EMISSION; ATMOSPHERIC SHOWERS; LOPES MEASUREMENTS; REAS; 3.11; SIMULATIONS; PULSES; SURFACE; ARRAY;

D O I：

10.1016/j.astropartphys.2016.01.001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The first flight of the Antarctic Impulsive Transient Antenna (ANITA) experiment recorded 16 radio signals that were emitted by cosmic-ray induced air showers. The dominant contribution to the radiation comes from the deflection of positrons and electrons in the geomagnetic field, which is beamed in the direction of motion of the air shower. For 14 of these events, this radiation is reflected from the ice and subsequently detected by the ANITA experiment at a flight altitude of similar to 36 km. In this paper, we estimate the energy of the 14 individual events and find that the mean energy of the cosmic-ray sample is 2.9 x 10(18) eV, which is significantly lower than the previous estimate. By simulating the ANITA flight, we calculate its exposure for ultra-high energy cosmic rays. We estimate for the first time the cosmic-ray flux derived only from radio observations and find agreement with measurements performed at other observatories. In addition, we find that the ANITA data set is consistent with Monte Carlo simulations for the total number of observed events and with, the properties of those events. (C) 2016 Elsevier B.V. All rights reserved.

引用

页码：32 / 43

页数：12

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