JPS2019shu - tabletop.icepp.s.u-tokyo.ac.jp · i Psih>F< e+ e- Ps Ps Ps Ps Ps >F

21
#12G7'2G<WUE}R $8)3%9 Mf :v ; 2/ _f z kn Y aI [^ F] \ fg v 1r 80 GL dg KI 4)6 "E21G yT GS +i CQ >e o | - i~ { uj Ys w@ X4 f A KqAP hd hdb hdH NcB =d B DO6J lxt53 2019mV7d3 M?d5Zp`5CG!

Transcript of JPS2019shu - tabletop.icepp.s.u-tokyo.ac.jp · i Psih>F< e+ e- Ps Ps Ps Ps Ps >F

12G7 2G8 3

� ��I K4 6 E21G

20195CG

����������

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

����������

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

����������

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

) P . .4

E(eV)

-6.8

−1.72P

1S

2s

S

243 nm3 ns

) P . .

94 / 71Ø (

3 1

2 (0 1

Ø 2

.

*+,→./ 3.2 ns

(),

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

���!���LaBr3(Ce) �����

e+

Ps ���� (������)

������

10 cm

(%��"���

�#��)

��� $!&'�

+

+

0 AO N . Hm

����������

Y PYJ 521A z 21

11z 23

G 4

OPO, 243nm 10Hz

n 4

: G n

. d GsG 6

6�

��������� �����������������

0 200 400Time (ns)

3−10

2−10

1−10

1H

eigh

t (V)

M L 0(2 )1 CL 3D7T P9

L

)/ V3B38

��� �������

PMT

Out

put

0 200 400Time (ns)

3−10

2−10

1−10

1H

eigh

t (V)

M CA (0 )/ C B13 7L

B1 1 3 (

B1 129

2

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

4 1 4 11

����������

����P-m4

4/

��

E(eV)

−1.7 2P

1S

2S

−6.8

l S 0n

l S3 -V-

4

ØØ 2

p . .= P 22 =

���������� ��

�� ��n

− 6.8 eV

− 1.7 eV

Ps + = 1

Ps + = 2.

− 3.8 eVe0 & e2

0 1t

1=

sØ n

0 1=

1 n

����������

2

e+Ps

Ps4

n

n P 5 n 35n

l n 0l 42 m 2

��

4

e+Ps

Ps2

P

l 5 .

%

.

Ps

Ps

1 0 2.

/1

1

Ps

Ps

0 / 1

3 . 02

�������� �

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.

(

B

����������

l 2 B Ps 1

l s - B P

l P s 1 - E nmB

l 2 C

��