jps2019shu - tabletop.icepp.s.u-tokyo.ac.jp · i psih>f< e+ e- ps ps ps ps ps >f
TRANSCRIPT
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Ps
3. Ps
e+
e-
Ps
PsPs
Psφ=6 µm
Ps
108
keV
2.Ps
Φ= 50-100 nmn= ~1018 cm-3
1. 243nm 1S-2P
2300 ns 10 K
P
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iPs
e+e-
Ps
PsPs
Ps
Ps
1 Pd o s
yPe 1 BR C LB B
a B lD D B .4 75 6 48 120 )
1 Dt DrB 3 .99 6 6 48 12 , (
Ø p D d D By B 1 S o s
�
ao V aonc Dao mg I
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V 2 13 %
3
3
0 100 200 300 400 500 600 700Time (ns)
210
310
410
510
610
710
Cou
nts
(/1.6
ns)
/ ndf 2c 400.4 / 366Prob 0.10420_const 2.858e+02± 2.276e+04 1_life 1.1± 129.9 2_flatBG 11.2486916± 0.0003403
s%
l 3 C PDID
l =.D
Ø 7 D5 . =
ao V -0 9D
. ND
�
1-1 s F VdH E V s M
l sl m 0G K MØ s F
de z
s
A : 5B
PA2 5
6B 43. +A s B
43. +A s B
,
se
AfB
43. +
43. ,3
43. ,3 k
50− 40− 30− 20− 10− 0 10 20TIME (ns)
0.05
0.1
0.15
0.2
0.25
SIG
NAL
HEI
GH
T (V
)
MCPPS_gamma_5keV_final_ave_graph_0
16 ns
/10 2
n E WS : 5
l 5×10% e'/s
I 42 0 3 C
/ 0/ 2 1
I 4F
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
A A
B B
C C
D D
E E
F F
名前 日付
2019/06/18kshu
A2
作成者
確認者
承認者
1 / 1
PMT
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e+
Ps ���� (������)
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10 cm
(%��"���
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+
+
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0 200 400Time (ns)
3−10
2−10
1−10
1H
eigh
t (V)
M L 0(2 )1 CL 3D7T P9
L
)/ V3B38
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PMT
Out
put
30 P 3
J B P 25 P
B1 1 P7 M
CA (0 )/ C B13L 7M
0 200 400Time (ns)
3−10
2−10
1−10
1
Hei
ght (
V)
B1 1 3 (
B1 129
0 1000 2000Time (ns)
0
0.5
1
Heig
ht (V
)
LaserOffLaser1OnLaser2OnLaserBothOnLaser1OnAny
0 100 200 300 400Time (ns)
0
0.02
0.04
Heig
ht d
iff (V
)
0.0008V)±MAX at (625.2ns, 0.03850.0003V±OffLevel at MAX = 0.19920.0038±Excess/OffLevel = 0.1932
A
PMT
Out
put
Out
put d
iff
242.5 243 243.5 244 244.5Wavelength (nm)
0
0.01
0.02
0.03
Arb.
243 244Wavelength (nm)
0.5
1Arb.
i m.
0/
29
()
71
6 .
ne V Pa
Py
i 1 m
p 31) 1
i B-5
Wp g -5
B
0 1f l r
t s 1
p . .= P 22 =
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�� ��n
− 6.8 eV
− 1.7 eV
Ps + = 1
Ps + = 2.
− 3.8 eVe0 & e2
0 1t
1=
sØ n
0 1=
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4 6
88
) 8% 8
l a en 44 / d s)
( 56 e 1230 F M % (
( JH ) y M M( F
Ø l m H M M M W 8M M M ) 8
Ps
Ps
1 0 23
. O
/
O
2
O
P
.
( (
Ps
Ps
) 5 0 21P s
1 /
E(eV)
-6.8
−1.72P
1S
2S
)
�������� �
4 6
88
) 8% 8
l a en 44 / d s)
( 56 e 1230 F M % (
( JH ) y M M( F
Ø l m H M M M W 8M M M ) 8
Ø 90) 3 7.
(