pdf(~5.8MB) - 東京大学宇宙線研究所

CTA計画 (Cherenkov Telescope Array)
#
!
"!
1!
7=
9,
<
Cherenkov Telescope Array
<
GPN.MRJK
%AIEFPJ
• .C6"
• <,@,C>FLOHR
C()
• 5Q0/SCTC()
• ?$4 #BDCGPN.C-
• '3S;:&3TC>+2
.C6"
>FLOHR
3Q
*C8
?$4C-
"" (+*+,"")
チェレコフ望遠鏡
+-*5+**
!#$"%/*+*
511%14
*%+
!#$"%,*4
+*/,
+4!
(+*'+-&,)
"
MAGIC
+0!,
VERITAS
+,!.
#
HESS
+,!.
!
<2+8904)8*=
$%
,37/;
(&-95 :#!'&"
!'&
1.69<=
!
$!
%# ""!
!
!$##%
!
!
!*"
$' '
' '$
'$ '$$
#%)%$')
#%)%$(&
!%$
'$$
"
&$%%
"
"
$$
'$
""
"
(&*'-)
!,+ ()
" %-+,,
"0
'#)*"
$+.&1"2
%/-,1(*!
$%!"$ '0,(
/-, 0+,
,-.//
,,404
-,00
HESS
32
,,/-1
Extragalactic Background Light
blazar
IACT
γVHE
γEBL
e+
e-
&+) #
",
!$#%(*'-&+)
$!%
%# #' ! '+
+
(-0///*
(402-1/*
,
(43-02*(!
(41*&
(4/* !" "*& !"#& #! 845),6588)
845/*<4-470! &#
5=4-69(545;
6588/*<4-5590! &#
5=4-:6(545;
684.944
944.5644
=5644
",'&154!# !%#
"!"& #
)(%$$)"
!!!
'& -,,#
-...(03.-'1/)(%4,'0/.)
5-,
/,
!#% '.,-,
*2#!$#
$ $
'
" !$+*()
##
( &( &(&
" "(0&1
)
%0&4
"#%-&48
#%'/&3
&
*/&2#.-05'.
*.-1-'.
&)' !,& !
&)'
%%-1&&$&(+$*0
%'+1+$$-%$-0
$%
!#$%
$!%!
%
!'
((),
$
"%
(
*+
(#
(
%#%)
"*
One observatory with two sitesoperated by one consortium
%
$ "
$ (+3."
('02..
$( 06..
" (+/.."
(/6..
(02..
(04..
("15..
/",-&,0
/2 #.)-0
4$*.1(
4$'%1+!-"-1"*
3
!
$ "# #"
#"
%-.
#!-++
-1&2
/&0 !
+&,"
/++-
,&0!
()
3-+&
'
!
#
()
(''$('
(*
+#,
'"(,
('')
(")
! &,'-
""#*)+
!'
!$&
!'#$
'
''
$!"#!'"
!
!!
E>A-DBFKGHTL
>! ! !$"!
>HOSJV0-@
"! *!
?%3+
CA
$E&
,E
>/0-#
"
!
HOSJV<
"" =)# #! %"+!
>65
" !& ># +''''*
>;0-! !! .#
85
9":!
2
,E4$
RMQ
(U
ITR,PVLN *E 7
'2E1
$
56]gXTJ[hM
Mej]AFG.8(i.1&
 C*"B9:
  CA56A1&
 ,)ACB" (B1&HE>@
 56L`c
 2;4WjT0D?3
 ;+6
 
560D?3
 S\Xm%'=P_afjPbh=WjT/!<
;/-L`c
=;=Ih]=Q
gj=0D?3
%!2;4#0D?3
"#56
!$OJR
;+6
QZVTdhMUKhYj
))")"AFG
^eUNjXk7=l
"
$#$
%""!
%""
!
%!"!
,-++
''!!
.+!!
-&2
,1,-0(
%,1+++)
%-+(&
0+)
"#.0+3/6
-3
(!)
#!
#'&$)+!
$&"'&*
% *+"(
% ##!
! ,-
$+')(*&%
""
-
#.
XD-)&
•  $V,)
–  Xloie_l^U W6M
–  ckgemp`W[\5aqi^(#*b_dXBW6MPV^,IIH+J
C
–  ?;GW[\ckgemp`5XaqiX^<%
–  Xloie_lZDQJ!VXD-0W]
–  %
&'W[]B7F(84%( s1&^j_h
!
VXU9Q3.W:4R]
•  !
–  )'()r('#J('#XA2QS9@^K
–  WEQTYWNLTcepfqjVQTLOK
–  )'()$)'(*"/.>W[\(X%)''#&^9QJ"`nql
X=*VQSL
$'%&.)
14 cm
(.
#(,#
+GH z
!#*.,
+" +.
) ,
PMT 7
#!-(
,
Ver.2
20113
FPGA:
(Virtex-4 to Spartan-6)
689(4.6)
8%
6?<59
(–12cm)
Ver.3
2
0'/)&)1*.+$3?=
,>7;?4@:2($"2
201111
~31cm
100000
10000
!
1000
100
10
1
0.1
0.1
1 p.e.
1 ~ 1.4mV 10
100
1000
10000
input [mV]
"  PMT5x104
 LED
ch1
~ 40 p.e.
ch3
100ns
ch2
ch0
ch4
ch5
ch6
!
!
!
"
#
$
%
&
!
"
#
$
%
&
!
"
#
$
%
&
!
"
#
$
%
&
!
"
#
$
%
"
!
"
#
$
%
&
"
!
"
#
$
%
"
!
"
#
$
%
"
Depth: 4096 cells/ch
ROI: 60 cells
8ch
serial output
Multiplexed differential
output at 25 MHz
(up to 33 MHz)
• 40ns/DRS4 cell
in parallel
'
PMT4~6
&
Signal from
FPGA
Ethernet
PHY
10 kHz trigger : 7.7%
5 kHz trigger : 3.9%
-3.,
&.21%-411!
',$-)
0$0)6.(
524
-$//!.2160,,
61,,
!63,
# 6-,,
6-1,
6-,,
6.,,
6-,,
6.,,
6-4.,
6.
#("/
*.#),0$
1)!0'#$
1,'#'!'0/$
'!-+))'
1*+),#$
"1-.'"
"u;@=8XK<T>-*'
•  !Q,*
–  "wA( mijcf5I$)Cehc
cskiu_`rit@HYUfsvI$)4
–  ;@=8XK<wBdrvlSY[>-ICH
YUPCVW$)QRZNNE[
–  cpfgQ;@=8XK<]2X\LMaoplsig
^lT
7]CdrvlI
PS3G
•  –  w6TcpfgSY[njaop]5KCcpfg
?iqbvT>-]3GD&SY[aop%#T/1D
–  HYUPC
SHFO$)QKOFJ
–  0.:SYZ]5KCdrvl
T9+QKMF
67:<P+*#! $/.,
YUVu\P
C=zx,
(QNQ>Q
@4'IC=P
%(x*v;67$y
ZmoswZpu
C=zDx*y
*Q3
Q*0Q
lcw[nu_
#!
PPP%x*y
#!"*
P8xKy
#!$#BxKy
#!2x>y
mqwOP
C=z%x*y
*QG5Q3
>Q9?$Q
+ )JLy$"%"%'#!
$"%""$!%"$
%x*yO
*Q>QQ3
Q
1QNQ/+j_bX\Q
TugQ\tw!
*Q"QQ>Q
F.&$$"$ C=z2xy
)JL`qUf
\iUudr]ta
,
)
C=z&#x"y
ASRMEP
C=z8xKy
QQQ
)JL-H
`U^mouhu
WnqYkw_-H
equ\TcZw
72:635;><+
• 
• 
• 
842=6781> ( $ • 
• 
'
9< 3116.3121?@
3121.3124?&"@
3125;3131
842=6781>-
3126.
3131;3141
-
******))))*%&(
• 
!
/#
31210*271
%311
–  • 
31
%
-%)-31:0,/410
–  A
!
- "%
-' !./
$*,,'''+!- &!(+,
!
•  c1bAOp€ˆsŒr‹„8#b"lYiaMC4aTZ[
[hk
– 
– 
– 
– 
– 
O!!*)&*)%*-$+$'
O=>:+*
Op€ˆsŒ>:*)4*
Sp€ˆsŒL&+)%*))'
S(
K6,+'
•  2^b<*{o‰‹u‚r‹„8%EGm‰n
–  JN#2Ui*.)b57+I0))b579V
–  $&Uic,*b57+I/.b579V
–  $&cQ %EGq…†Qp‰t}ŠtxQGbƒŠ}ynƒQ
a@0Z]Sk
•  %b/57db@0
–  AOD?g
ZBP"
^ef)/xy‹zŒ~Ž_`j\\Rk
–  (
H3P**1+)%*))V)/QQ )
/;
–  #,|wn‹V)/_`j\\Rk
–  # %EGb)/_`j\\Rk
–  vnp‹xr‹„8Œx}Q.F-'b57lTTWX‡Œ~Z]Sk
(
&$%%
)
  ) &$%%!"%& &$%%!"
  !"&&
  &$%'