R&D. IKEDA(Daisuke( ICRR,(University(of(Tokyo(
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1 R&D IKEDA(Daisuke( ICRR,(University(of(Tokyo(
2 Fresnel lens 30 o x 30 o fov 1 m 2 UHECR $=$ ρ s &=&10 k4 &Mpc k3 Sources&within&GZK&sphere E= ev9 R GZK ~92009Mpc9 N s 9~ GZK $ E= ev9 R GZK ~9609Mpc9 N s 9~91009 ( ( ( Duty(~10%( Filter 8-10 PMT+ electronics E= ev9 R GZK ~9309Mpc9 N s 9~9109 FD ( ( 24 ( MC ( TAOSD SD TAO2 10,0009SDs9 Spacing9=92.0km ,2009km 29 9 TA9x Auger9x913.19
3 ( Duty(100%( ( ( Askaryan$effect$ D ( D ( Molecular$Brems.$ D (<10eV) ( D 1D10(GHz( D (=( ( Bi2sta6c$radar$ ( ( D ~50MHz( Geo2synchrotron$radia6on$ ( D 10D100(MHz( D Beaming(
4 ( Duty(100%( ( ( Askaryan$effect$ D ( D ( Molecular$Brems.$ D (<10eV) ( D 1D10(GHz( D (=( ( Bi2sta6c$radar$ ( ( D ~50MHz( Geo2synchrotron$radia6on$ ( D 10D100(MHz( D Beaming(
5 ( ( ( LOPES( LOFAR( CODALEMA( AERA( EASIER( RASTA GeoDSyncrotron 2005 (LOPES LOPES,(Nature(435,(313D((2005) ( ( ( ( (LOPES( (KASCADE) AMvdB: Results from the Auger Engineering Radio Array CODALEMA(D(AUGER
6 ( Duty(100%( ( ( Askaryan$effect$ D ( D ( Molecular$Brems.$ D (<10eV) ( D 1D10(GHz( D (=( ( Bi2sta6c$radar$ ( ( D ~50MHz( Geo2synchrotron$radia6on$ ( D 10D100(MHz( D Beaming(
7 20µs AMBER( MIDAS( CROME( OCU( MAYBE ( Molecular(Brems. KASCADE (CROME) ev, 3.8, 126 m -5 μs st. dev. 10 σ 14 db above mean Δt 10 ns trigger ( ( -100 ns SD (?)((OCU) R. Šmída Microwave emission from EAS as seen by CROME 7/11 amplitude [V] Trigger OnDAxis ( (?) OffDAxis
8 ( Duty(100%( ( ( Askaryan$effect$ D ( D ( Molecular$Brems.$ D (<10eV) ( D 1D10(GHz( D (=( ( Bi2sta6c$radar$ ( ( D ~50MHz( Geo2synchrotron$radia6on$ ( D 10D100(MHz( D Beaming(
9 BiDsta_c(Radar ( $(2011/07/28) 50MHz ( ~100km,(~70km/s,(~ μg ( ~ J $ (2009) EAS ~ km,(,( (p~fe)
10 The TARA Project People: M. Abu Bakr Othman, C. Allen, J. Belz, D. Besson, B. Farhang-Boroujeny, D. Ikeda, S. Kunwar, J.P. Lundquist, I. Kravchenko, S. Larson, I. Myers, T. Nakamura, J. S. Rankin, H. Sagawa, P. Sokolsky, H. Takai, T. Terasawa, G.B. Thomson (BNL, Kansas, Nebraska, NIPR, ICRR, Utah, Utah State) and the Telescope Array Collaboration Telescope(Array(RAdar Support: US NSF-PHY, NSF-MRI Utah VP for Research, Dean College of Science Japan Grants-in-Aid for Exploratory Research Salt Lake City TV stations KUTV, ABC4 2
11 Receivers( ((LogDperiodic(antenna(x4)( TARA Transmiger((6m(Yagi)( SD( FD( DAQ:( (USRP2( 12.5MHz(sampling(rate( FPGA ( Trigger:(Self(/(FD( TA SD/FD $ TV(2ch( 54.1MHz,(2kW(
12 ( ν(=((ne(e 2 (/(PI(Me) 0.5 (( (((=(8.98*10 3 ((Ne) 0.5 (Hz( 3.8*10 7 cm D3 (D>(55MHz( Chirp Underdence ( (<( ( ( t=4 d 1 d 2 TX RX ( ( (~100ns@10km )( Predic_on((10 19 ev,(30deg)( Overdence ( (>( ( ( (~1cm( ( Chirp:(~MHz/us
13 8 ( SD (<(100us( ((((((SD (>(1EeV( ( FD
14 ELS(Electron(Light(Source) Longitudinal C ) Shot:(Sep.(5,(2010,(4:30UTC( Energy:(41.1(MeV Lateral
15 ELS ( ( BR ( Radio(path:(CRC(D(ELS( (BR( CRCDBR ELSDBR 90 ( Expected(S/N:(~30(/1000shots((30min)( MD TA$overview CRC CLF 21km LR SDs BR ELS 90deg. CRC BR2CRC BR 10m BR CRC
16 TARA( ( 2kW 40kW ( ( ( (((((((((((((((D>(~100 ( ( ( 250MHz ( ( ( ( NI PXIe / FlexRIO 250 MHz ADC complete control of FPGA large FPGA 256 MB DRAM (data buffering) computer and FPGA in same chassis 400 MHz clock 18
17 " UHECR ( " ( " 100%(duty( " 3 ( " TARA ( " ELS
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