᣻щඬཋྸ‫ܖ‬ᄂᆮ˟ᵐᵎᵎᵑᵍᵏᵍᵑᵎᾏʮ‫ؕٻ‬ᄂ

TAMA300ỉྵཞ‫׎‬ᇌ‫ټ‬૨Өૼʟ‫ܨ‬ʚ(TAMA project)Overview of this talkz IntroductionἾὊἈὊ࠮ฏᚘ‫׹‬᣻щඬ౨Ј֥
TAMA300౨Ј֥ỉಒᙲ‫׎‬ᨥႎễ࠮ฏᚘ᧏ႆỉཞඞz TAMA300 detector
Activity1:50ଐ᧓ỉᚇย

(2001/8-9)ἙὊἑᚐௌỉኰʼ
Activity2:ἼἇỶἁἼὅἂ᬴ܱ

(2001/12~)

Forthcoming DT8

z IntroductionἾὊἈὊ࠮ฏᚘ‫׹‬᣻щඬ౨Ј֥
TAMA300౨Ј֥ỉಒᙲ

Gravitational wave detection (1)z ᣻щඬ↝Ⴚ੗౨Јɶࣱ‫܇‬଩ᡲ଩↝ᩓඬ↚↷↺ᚇย䌾 ㊀ജᵄ䈱ሽ࿷䈱㑆ធ⊛⸽᣿᣻щඬ↝Ⴚ੗ᚇย䌾 ᒝ㊀ജ႐䈮䈍䈔䉎৻⥸⋧ኻ⺰䈱⋥ធᬌ⸽䌾 ㊀ജᵄᵄᒻ䈮䉋䉍ᓧ䉌䉏䉎ᄤ૕䈱᭽ሶ㔚⏛ᵄ䈮䉋䉎᷹ⷰ䈫䈲⾰䈱⇣䈭䉎ᖱႎ

Gravitational wave detection (2)z‒σਰ‫׹‬౨Ј֥
GW᣿‫↝ج↝ޓ‬4᣻ಊ∈∞⇯↝ѕឪ> ାภᏪၞ䋺 ⁜䈇~ ౒ᝄ๟ᵄᢙઃㄭ䈪䈱䉂௛䈒ᬌ಴ེ

vibration
sensormetallic barz‒−∞⇜∞࠮ฏᚘ‫׹‬౨Ј֥
Suspended
mirror

GW࠮ฏᚘᏹ↝‫׍‬ஊុᩉ↝ࠀѣ‫٭‬ѣ> ାภᏪၞ䋺 ᐢ䈇~ ㊀ജᵄᵄᒻ䈏଻ሽ䈘䉏䉎

Beamsplitter

Suspended
mirrorLaser
Photodetector

TAMA300 detectorz ؕዴᧈ300mỉἾὊἈὊ࠮ฏᚘ‫׹‬᣻щඬ౨Ј֥ἇỶἚ: ‫׎‬ᇌ‫ټ‬૨ӨɤᰛỿἵὅἣἋ(ிʮ)

z ἩἿἊỹἁἚỉႸႎᡈͯ᤼ඕỂႆဃẴỦ᣻щඬỶἫὅἚử౨ЈӧᏡễܱᚰ‫׹‬౨Ј֥ử᧏ႆẴỦẮể‫ݩ‬ஹỉkmኢ࠮ฏᚘử࡫ᚨẴỦẺỜỆ࣏ᙲễ২ᘐử᧏ႆẴỦẮểz ྸᛯज़ࡇᨂမ~ hRMS = 3 x 10-21 @300Hz (BW300Hz)TAMA300 detector ~ overview

Fabry-Perotశ౒ᝄེ

GravitationalWave

㐳䈘300mFabry-Perotశ౒ᝄེ㐳䈘300m䊥䉰䉟䉪䊥䊮䉫䊚䊤䊷⌀ⓨᮏ䊶 ⌀ⓨ䉻䉪䊃㏜ ᨞䉲䉴䊁䊛䊝䊷䊄䉪䊥䊷䊅䊷㐳䈘10m㒐ᝄⵝ⟎䊧䊷䉱䊷శḮ಴ജ㪈㪇㪮㏜శᬌ಴ེ

䊂䊷䉺ขᓧ䊶 ⸥㍳䉲䉴䊁䊛䊂䊷䉺⸃ᨆ䉲䉴䊁䊛Center room

300m vacuum tube

Vibration Isolation Systemz 3െನ঺ỉ᧸ਰᘺፗỴἁἘỵἨСࣂỺỴἋἩἼὅἂ
+᧸ਰἋἑἕἁί ἋἘὅἾἋᴾἨἿἕἁể᧸ਰἆἲỉὸἇὅἛỶἕἓὸ
+2െਰụ‫ᦟ܇‬ভ௚ᘺፗࢽỤủẺ᧸ਰࣱᏡᵘ150HzỂ
10-8ˌᑣỉถᘛൔMirrorzᴾ༉ᗡჽᒍ (SiO2)ᙌ φ 100mm x 60mm
ೞ఺ႎỆ˯੷‫ڂ‬ᚇย࠘؏Ểỉ༏ᩃ᪦ử˯ถẴỦẺỜ(ೞ఺ႎ૝᡹‫ٻ‬ᾌ༏ੵѣ‫)ٻ‬ή‫ܖ‬ႎỆ˯੷‫ڂ‬ឬ˯Ӓ‫~( ڂ੷ݧ‬30ppm)

Сࣂኒ
ήែᧈСࣂ
ỴἻỶὅἳὅἚСࣂࢍࡇ‫҄ܭܤ‬ἛἼἧἚСࣂQPD

EM2

To End Mirror

QPD

Mixer

BS
orientation
control

MC alignment
control(digital)

Mixer

FM2

δLyMixer

Differential motion
control (δL-)

QPDMixer

PO2YAG

FI

EOM

IM

EOM

BS

MMT

QPD

300 m arm cavity(WE arm)

PD

PD

Fiber LD

FM1PO1OM

VCM

15.235MHz

LD pumped
10 W laser

Mixer

PD

EOM

12 MHz

Mixer

PD

From
alignment
controller

EOM

WE arm cavity
alignment control

10 m
ring
cavity20 MHz

NPRO
700 mW

Interference fringe
control (δl-)

Mixer

Mixer

EM

SUM

Laser frequency
stabilization

To inputorientation
control

10 m Mode cleaner

20 MHzInjection locking
control

Lengthdrift
control(digital)

NS armcavityalignment
control

300 m
arm cavity(NS arm)

Inputorientation
control(digital)

Injection-locked10 W laser

Fabry-Perot-Michelson interferometerwith an arm length of 300 m

To MCalignment

50 kHz

QPD

MixerPDPD

MixerδLx

Gravitational wave signal (δL-)

MC mass loop
SUM

Feed around loop

QPD

Common motion
control (δL+)

EM1

Control electronicsྵ‫נ‬ᆙѣɶᵆᆙѣ᧓ᡈᵇỉ࠮ฏᚘ‫׹‬᣻щඬ౨Ј֥ᚘဒỂ 6Өỉ౨Ј֥z4

VIRGO(Italy & France)

GEO
Germany & Great Britain

TAMAJapan

LIGO
U.S.A.

Site: Pisa
L=3km

Site: Hannover
L=600mSite: Tokyo
L=300mSite:
Hanford 1
L=2km
Hanford 2
L=4km
Louisiana
L=4km

LIGO ί U.S.A.) L=4km+2km & 4km

ʴ᣺ᩉủẺ᩺ẦễἇỶἚẺẻẲ᫘ầԉẪểൔ᠋ႎੵủỦLouisianaỊங஬ỉ˝੔ểข‫ٸ‬ỉᝣཋЗ៻ầपỚ
LIGO HanfordẦỤᆙѣử᧏‫ڼ‬ḷბܱỆज़ࡇể‫ࡇܭܤ‬ửોծẲếếẝỦẮủộỂỆ9‫ׅ‬ỉengineering runScientificἙὊἑỉẺỜỉᚇยử2002࠰ٰ᧏‫ڼ‬2003࠰ᵐஉ῍ᵒஉỆᵐὈஉ᧓ỉᚇยửʖ‫ܭ‬
1999

LIGO LouisianaGEO (German-British alliance) L=600m‫ٻ‬ỉᠾ‫ئ‬ᣃࠊẦỤễầỤଷ‫ٸ‬ểờỆਰѣỉ‫ݲ‬ễẟᑣἇỶἚ᫘ỆỊࢊẟ
Hannover20km

ẦỤஜ఍ᆙѣẲẆengineering runểscientific runửኺ᬴ή‫ܖ‬ನ঺ử‫୼٭‬ẲSignal RecyclingểẟỪủỦ২ᘐử‫ݰ‬λɶ2003࠰2உ῍4உỆ2Ὀஉ᧓ỉᚇยửʖ‫ܭ‬
2002

VIRGO (French-Italian alliance) L=3km

ᡈᢸCassinaỉဋ‫࠘עט‬Ệ࡫ᚨḷؕஜႎỆ᩺Ầ᭗Ằ7mỆӏố߾‫᧸ٻ‬ਰᘺፗửͳảẆ10Hz˄ᡈỉ˯ԗඬẦỤ᣻щඬ౨ЈửཀྵảỦPisa‫׹ٻ‬౨Ј֥ểẲềỊசᆙ΁Ј2002࠰ବᏹỉ࡫ᚨầኳʕЈẮủộỂỊẆờẾỌỤɶ‫ځ‬ỉᢿ‫ދ‬Ểỉ᬴ܱỆኳ‫ڼ‬4‫ׅ‬ỉengneering runs
2003࠰ẦỤᏹửԃỜẺ᬴ܱỆᆆᘍTAMA (Japanese) L=300mzᴾἇỶἚᾉ ‫׎‬ᇌ‫ټ‬૨ӨɤᰛỿἵὅἣἋ(ிʮ)(E139.32.21 N35.40.25)

WestEndRoomCenterRoomSouthEndRoomࠊᘑ‫ע‬ỉჇẾӢɶỆˮፗὉ ʩᡫ᣽‫ٶ‬ẲHistory of TAMA development
1995
1996

Recombine I
98/5 - 99/1

1997

Mode Cleaner
97/4 - 97/12

300m
FP cavity

10W Laser

Mode Cleaner+ 10W Laser
98/1 - 99/1

300m
FP cavity

Project started
Facility construction
completed
Vacuum systemcompleted

1999/8
Data Taking 111h
1999/9
Data Taking 231h
2000/4
Data Taking 313h
2000/89 Data Taking 4 167h
2001/3
Data Taking 5 111h
2001/8,9 Data Taking 6 1038h
2001/10- Recycling experiment

Recycling I
01/10 - Present

One Arm
2002/8-9 Data Taking 7
97/8 - 98/410m
Mode Cleaner

Recombine II
Recombine III

99/2 - 00/6
00/9 - 01/925h

z Status of TAMA300 (I)DT6: 50ଐ᧓ỉᚇย (2001/8-9)
DT6ἙὊἑᚐௌỉኰʼẮủộỂỉTAMAỆợỦᚇย (DT: Data taking)ἣὁὊἼἇỶἁἼὅἂễẲDT1 1999 Aug. 6-7

1ᄛ

11 hours

DT2 1999 Sep. 17~203ᄛ

31 hours

DT3 2000 Apr. 20~233ᄛ

13 hours

13 ᄛ167 hours

DT5 2001 Mar. 2~86ᣣ

111 hours

DT6 2001 Aug. 1~Sep. 2050ᣣ

1038 hours

DT4 2000 Aug. 21~Sep. 4䈖䉏䉌䈱᷹ⷰ䈲ઁ䈱䊒䊨䉳䉢䉪䊃䈱science run䈮వ㚟䈔䈩ⴕ䉒䉏䈢ἣὁὊἼἇỶἁἼὅἂẝụDT7 2002 Aug, 31~Sep. 2

1ᣣ

25 hours

DT6ỉ঺ௐ
zᴾ᤼ඕኒϋỉỶἫὅἚỆ‫ݣ‬ẲềҗЎễज़ࡇỂỉᚇยപỚज़ࡇ:

h = 5 x 10-21 /Hz1/2

NSӳ˳ửSNR10ỂᚇยӧᏡễុᩉ:

33kpc

zᴾ࠮ฏᚘỉ‫ܭܤ‬ễᢃ᠃ ~ ᭗ẟᆙ΁ྙዮᚇยἙὊἑ᣽:1038ᤨ㑆 (86.5%)㩿ᐓᷤ⸘䈏േ૞䈚䈩䈇䈩䉅⺞ᢛ䉕䈚䈩䈇䈢ᤨ㑆䈲㒰ᄖ䈚䈩䈇䉎㪀zᴾᅕ‫ޢ‬20mἩἿἚἑỶἩ࠮ฏᚘểỉӷ଺ᚇยӷ଺ᆙ΁:㹢㜞ᯅᒄᲞ᳁䈱talk709ᤨ㑆 (59.1%)

Achieved sensitivity (DT6଺ໜ)z ᄌ૏㔀㖸࡟ࡌ࡞ dx = 1.5 x 10-18 m/Hz1/2(@700Hz)ᱡߺᗵᐲh = dx/300= 5x10-21 /Hz1/2-11

10-12

10-131/2

Strain sensitivity [1/Hz ]10-1410-15

10June. 2, 2001-1610-17

10-18

10-1910-20

10-2110-2210110102

310

Frequency [Hz]410510DT6: SNR to compact binariesz ἅὅἣἁἚᡲ଩ispiralỆ‫ݣ‬ẴỦmatched filterᚐௌỂỄỉុᩉộỂễỤSNR=10ỂᚇยỂẨỦẦᵝ60

2001/8/3
DT6

Observable Distance [kpc]50

Steller BH binary
10Mo ~34kpc

40

NS binary
1.4Mo ~33kpc

3020

Macho BH binary
0.5Mo ~17kpc

100
10-1

2

345 6 7 802

345 6 7 8

10mass of a member star [Msolar]

1012

Observation calendar
Date in JST
Mon

TueWedThuFriSat

Sun

Aug. 01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

1718

1920

21

2223

24

25

26

27

28

29

30

31

Sep. 01

02

03

04

05

06

07

08

09

10

11

12

13

14

15

16

17

18

19

20

Operated (over 10min)

High–freq. data taking

Causes of obs. time loss

32LL

L

LL

Laser

L

Human error

LLaserL

Tape exchange

Typhoon + Laser

4L

Human error + Laser

5LLaserTyphoon + Human error + Laser

Obs. time in each shift [hours]

6L

Human error
Human error

7LPreparation
HDAQ + Prep.
Measurement

8Construction
Measurement
Fire detector check

Total obs. time: 1038:07:35, Duty cycle: 86.5105%

10010203040506070809101112131415161718192021222324252627282930310102030405060708091011121314151617181920
AugSepObservation date

SNR trend during DT6SNRSNR

SNR

SNR

z About 80% is adequate to analyses
40
35
30
25
20
15
10
50
08/01

08/02

08/03

08/04

08/05

08/06

08/07

08/08

08/09

08/10

08/11

08/12

08/13

08/14

08/15

40
35
30
25
20
15
10
50
08/15

08/16

08/17

08/18

08/19

08/20

08/21

08/22

08/23

08/24

08/25

08/26

08/27

08/28

08/29

40
35
30252015
10
50
08/29

08/30

08/31

09/01

09/02

09/03

09/04

09/05

09/06

09/07

09/08

09/09

09/10

09/11

09/12

09/24

09/25

09/26

40
35
30
25
20
15
105
0
09/12

10-10 Msolar
1.4-1.4 Msolar
0.5-0.5 Msolar
09/13

09/14

09/15

09/16

09/17

09/18

09/19

=> To data analysis

09/20

09/21

09/22

09/23

DT6ἙὊἑỉᚐௌz Matched Filteringᚐௌ
1~2Mo䈱䉮䊮䊌䉪䊃ㅪᤊว૕
TAMA-LISM coincidence⸃ᨆ
~0.5Mo䈱Macho BHㅪᤊว૕
BH ringdown⸃ᨆ(↰⿧ et al.)(㜞ᯅ(ᒄ), ↰⿧ et al.)(ㄖᏈ et al.)(Ᏹቯ, ਛ㊁, ␹↰ et al.)z Burst analysis
㔀㖸䈫䊋䊷䉴䊃㊀ജᵄ䈱ᤨቯᢙ䈱㆑䈇䉕೑↪䈚䈢ᬌ಴ᴺ(቟᧲ et al.)z Periodic source
SN1987a䈱remnant䈎䉌䈱possibleㅪ⛯ᵄ⸃ᨆ(೽↰ et al.)z WaveletᚐௌChirpାภ䈱Wavelet⸃ᨆ(␹↰ et al.)Gravitational wave search:
Compact binary Inspiral
Matched filtering analysis䇭䋨Tagoshi, et al.)
We analyzed 1000 hours data of DT6 by matched filtering to searchfor compact binary inspirals
Upper limit to the event rate:•DT2: 0.59/hours (0.3-10Msolar) (Phys.Rev.D63,062001(2001))•DT4: 0.027/hours (0.3-4.7Msolar)•DT6: Upper limit to Galactic event rate:
0.0095/hours (1-2Msolar)

TAMA-LISM coincidence analysis (Takahashi’s talk)is also doneMatched filter• Detector outputs: s ( t ) = A h ( t ) + n ( t )h(t ) 䋺䇭 known gravitational waveform (template)Post-Newtoniann(t ) 䋺 noise.
approximation• Outputs of matched filter:z~*~s ( f )h ( f )ρ ( m 1 , m 2 , tc , . . . ) = 2
df
Sn ( f )•Sn ( f ) noise spectrum density• signal to noise ratio SNR = ρ / 2• Matched filtering is the process to find optimal
parameters which realize

FH max ρ(m , m , t ,...)IK
m1 , m2 ,tc ,...

12cLog10[Number of events]ρ / χ 2 = 162ρ/ χUpper limit to the Galactic event rate
threshold=16 (䌾S/N=11) (fake event rate=0.8/year)
Efficiency for Galactic events ε = 0.23 (from simulation)•We also obtain upper limit to the average number ofevents over threshold by standard poisson statistics analysis
N=2.3䇭(C.L.=90%)•Data length used : T䋽1039 hours
Upper limit to the Galactic event rate

N==0.0095 [1/ hour] (C.L. = 90%)Tεc.f.䇭䇭 Caltech 40m : 0.5/hour䇭䇭 (C.L.=90%)䇭䇭䇭䇭䇭䇭䇭Allen et al. Phys. Rev. Lett. 83, 1498 (1999).

Burst wave analysis (4)--- DT6 data analysis --Data Taking 6 (Summer 2001)
Analyze last 1-week data
Bandwidth : 500Hz
Rejected data : 20%(False dismissal rate : 1ppm)

Event rate for 10msec GWs
hrms䌾 1x10-17 : 1 events/hourhrms䌾 3x10-17 : 10-2 events/hour

Event Rate [Ratio]

Still worse than stable hours
in DT4, and Gaussian noise level031010–12

Original data

1010–2101–3

1010010–4

10–5

101/1000
DT4 stable(10hours)–1

After noise rejection 10–2

10Gaussian noise

10–20

10–19

10–18

1/2

Noise level [1/Hz ]4Event Rate [events/hour]

Improvement offalse event rate : 1/1000

Continuous wave from SN1987A
z Continuous GW wave searchat around 935Hz from SN1987a remnant(Soida, et al.)
Expected Waveform: Sinusoidal(f=934.908Hz +/- 0.05Hz)+ time dependence of the sensitivity+ doppler correction(the earth's daily/yearly round)+ spindown correction(assume spindown rate: 2.5x10-10 [Hz/s])

Search: DT6 50days data

Search result

h=3.8x10-23(False alarm rate 1.8%)
Theoretical upper limit from spindown rate: h=9.4x10-27

z Status of TAMA300 (II)ἼἇỶἁἼὅἂ᬴ܱ

(2001/12~)

Forthcoming DT8ἣὁὊἼἇỶἁἼὅἂzᴾ࠮ฏᚘϋỉή᣽ử‫ࢍف‬ẴỦ২ᘐ

300m arm

300m armLaserἣὁὊἼἇỶἁἼὅἂzᴾ࠮ฏᚘϋỉή᣽ử‫ࢍف‬ẴỦ২ᘐᢿЎᡢᢅᦟ(ἣὁὊἼἇỶἁἼὅἂἱἻὊ)300m arm

300m armLaser࠮ฏᚘᏹϋᢿỉή᣽ỉ‫ف‬ь n̿ḷ᣻щඬ̮ӭn̿ḷή‫܇‬ỉ૝‫ݧ‬ᩃ᪦Ṁn̿ኽௐểẲề̮ӭᩃ᪦ൔṀn̿ἣὁὊἼἇỶἁἼὅἂỉҾྸzᴾễặἼἇỶἁἼὅἂἱἻὊử਴λẴỦểẆ࠮ฏᚘϋᢿỉή᣽ầ‫ف‬ьẴỦᵝᵝᵝ̊ểẲềҥኝễἰỶἃἽἏὅ࠮ฏᚘ᭗Ӓ‫ᦟྙݧ‬(ήỊ৷ẬềẮễẟ)Ẑ ἨἻỶἚẑ ἧἼὅἊ(ଢ࠮ฏᾉẅỖểỮỄỉήầẅᡉẾềẪỦ)᭗Ӓ‫ᦟྙݧ‬(ήỊ৷ẬềẮễẟ)Ẑ ἒὊἁẑ ἧἼὅἊ(ଢ଼࠮ฏᾉ ήỊЈềẮễẟ)ἣὁὊἼἇỶἁἼὅἂỉҾྸzᴾễặἼἇỶἁἼὅἂἱἻὊử਴λẴỦểẆ࠮ฏᚘϋᢿỉή᣽ầ‫ف‬ьẴỦᵝᵝᵝ᭗Ӓ‫ᦟྙݧ‬(ήỊ৷ẬềẮễẟ)(ଢ଼࠮ฏᾉήỊЈềẮễẟ)Ẑ ἒὊἁẑἧἼὅἊἼἇỶἁἼὅἂἱἻὊẐ ἨἻỶἚẑἧἼὅἊήỊЈềẮễẟ᭗Ӓ‫ᦟྙݧ‬(ήỊ৷ẬềẮễẟ)բ᫆ᾉ ࠮ฏᚘỆλ‫ݧ‬ẲẺήầЈềᘍẪ‫ئ‬৑ầễẟẇẟẾẺẟήỊỄẮồᘍẾềẲộạỉẦᵝἣὁὊἼἇỶἁἼὅἂỉҾྸz ἾὊἈὊήỊ࠮ฏᚘϋᢿỆ᧍ẳᡂỜỤủềẲộạẮỉಮễཞ७ửẐ ήἼἇỶἁἼὅἂẲềẟỦẑ ểẟạ૝᡹ἣὁὊỉӳᚘᵛᴾλ‫ݧ‬ἣὁὊ

Pinc = εloss Pinternal

Pinc
Pinternal =εloss

g Pincϋᢿ૝᡹ểλ‫ݧ‬ἣὁὊầếụẝạộỂϋᢿή᣽ầ‫ف‬ьϋᢿỉ૝᡹ầ‫ݱ‬ẰẟỖỄ‫ف‬ьྙỊ᭗ẪễỦDisplacement noise level of TAMA300(August, 31 2002)-710-810-9

1/2

Displacement noise [m/Hz ]10

2001/06/02 (Recombine3)
2002/08/31 (Recycling1 HP)
Phase2 limit

-10

10-11

10-12

10-13

10-14

10-15

10-16

10-17

10-18

10-19

10-20

10010

1102

103

10

Frequency [Hz]

4105

10

-11

10

Feb. 14, 1999
Sept. 3, 1999
Oct. 15, 1999
March. 16, 2000
Sept. 4, 2000
June. 2, 2001
Aug. 31, 2002
Phase2 Limit

-12

10-13

1/2

Strain sensitivity [1/Hz ]

10-14

10-15

10-16

10-17

10-18

10-19

10-20

10-21

10-22

10

110102310Frequency [Hz]410510‫˴ڦ‬ỆẲềᩃ᪦ỉ݃ɨửᙸᆢờỦẦzᴾ̮ӭදλỆợỦᩃ᪦ἾἫἽỉᙸᆢờụᄌ૏㔀㖸dxʴ߻ႎỆദࢅඬửදλdx̊ᾉἾὊἈὊ
ԗඬૠᩃ᪦dxf๟ᵄᢙfdxdxf࠮ฏᚘЈщ̮ӭff

Displacement noise level of TAMA300-7(September, 29 2002)

Preliminary

10-8

10-9102002/9/29 Displacement sensitivity
Alignment noise (2001/06/03)
Detector noise
Shot+Detector noise
Modulation noise
Recycled Michelson noise
Intensity noise
Frequency noise
Filter noise (feedback)
Seismic noisedl- feedback noisedl+ feedback noise-10

1/2

Displacement noise [m/Hz ]10-11

10-1210-1310-1410-1510-1610-1710-1810-1910-20

100

10110231010
Frequency [Hz]410510Stabilityz ἼἇỶἁἼὅἂỆợẾềज़ࡇờ᭗ộỦầẆᴾή‫ܖ‬ನ঺ầᙐᩃỆễỦẺỜẆ‫ࡇܭܤ‬ầ੷ễỪủỦᐓᷤ⸘ౝㇱశ㊂߇㏜ߩᆫ൓ߩᄌേߦᢅᗵߦߥࠆ
Transmitted
light level [a.u.]

3.0
2.5
2.0
1.5

8h 38mminavg
max

1.0
0.5
0.0

21:00 22:00 23:00
2002/08/31

0:00

1:00
Time

2:00 3:00 4:00
2002/09/01

5:00

ྵ‫נ‬ộỂỆ8଺᧓40Ўỉᡲዓѣ˺ầࢽỤủềẟỦ
(ἼἇỶἁἼὅἂễẲỂỉᚡ᥵Ị24଺᧓50Ў)‫׎‬ᨥӷ଺ᚇยzᙐૠỉ‫׹ٻ‬౨Ј֥ỆợỦӷ଺ᚇย S1 (Scientific run 1)
2002/8/22-2002/9/9
LIGO䈫GEO䈮䉋䉎หᤨ᷹ⷰ
TAMA䉅ㇱಽ⊛䈮ෳട S2 (Scientific run 2)
2003/2/14-2002/4/14
LIGO+GEO+TAMA䈮䉋䉎หᤨ᷹ⷰS1 & DT7
Common Lock of 5 interferometers: 9hrs 50min
Longest Common Lock stretch:2hrs 24min
Coincidence Run (TAMA300, LIGO, and GEO600)

T1

G1

L1

H2

H1

12:00 14:00 16:00 18:00 20:00 22:00

0:00

2:00

4:00

6:00

8:00

10:00 12:00 14:00 16:00 18:00 20:00 22:00

Time [hour] (from 31 Aug. 12:00 UTC)z Summary

Summaryzᴾ࠮ฏᚘ‫׹‬᣻щඬ౨Ј֥ TAMA300
ẮủộỂỆ7‫ׅ‬ỉᚇย ḷ DT6: 50ᣣ, 1000ᤨ㑆એ਄䈱䊂䊷䉺ἼἇỶἁἼὅἂ᬴ܱḷ ᗵᐲ䈱ะ਄лh = 3.3 x 10-21 / Hz @1.5kHzz Data Analysis using DT6 data
Binary inspirals
Burst searchContinuous wave search, etc...
zᴾờạộờễẪᵌᵌᵌLIGOὉ GEOểỉᧈ஖ӷ଺ᚇยData Taking 8 ἉἧἚἳὅἢὊѪᨼ

R. Takahashiz Data Taking 8TAMA300ỉᚇยἙὊἑỉӕࢽLIGOấợỎGEOểỉσӷᚇยz ܱ଀஖᧓2/14(Fri) 23:00(JST) ~ 4/15(Tue) 7:00 (JST)z ἉἧἚ˳С1ଐ3ʩˊСᤨ㑆ഀ (23:00~7:00, 7:00~15:00, 15:00~23:00)
ἅỴἳὅἢὊấợỎἇἨἳὅἢὊỉ2ʴỂਃ࢘䉮䉝䊜䊮䊋䊷(20ฬ)ᐓᷤ⸘䈱⺞ᢛ䊶 ᠲ૞䉰䊑䊜䊮䊋䊷(䈱䈼178ฬ) ᐓᷤ⸘䈱⋙ⷞ䊶 ⸥㍳ἇἨἳὅἢὊửѪᨼẲộẴ(଄ᝲỉ৖࢘ềẝụộẴ)z 3/16ộỂ: ᆰẨầẝỦ଺᧓࠘ỉἉἧἚz 3/16ˌᨀ: ࠎஓଐ଺ửᛦ௹(2/16ዸỜЏụ)ᡲዂέửᚡӸẲềờỤảủịẆᛇኬửᡲዂẰẲẝậộẴ