Roland Michael Clarke- An Athermal Phonon Mediated Dark Matter Detector with Surface Event Discrimination

8/3/2019 Roland Michael Clarke- An Athermal Phonon Mediated Dark Matter Detector with Surface Event Discrimination

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0.22

0.23

0.24

0.25

0.26

1E-11

1E-10

1E-09

1E-08

1 10

10

Y

D, 3HeH

3He

D

10101

-410

-510

-910

-1010

7Li

H


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RE

Dsource

Dlens

SourceObserver

Lens

v

u

-

-


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permittedby MACHO

at 95% CL

Mass of the deflectors (Mo)

Halo

mass

frac

tion

(%)

10-7 10-6 10-5 10-4 10-3 10-2 10-1 110-80

20

40

60

80

100

excluded

by EROS 1 LMC+SMC ( )

at 95% CL

and EROS 2 SMC ( )


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Cosmological teaM

-

-

-

-


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-

-

-

-


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ThermometerParticle

Thermometer

Light Detector

Phonon Detector Coating for betterlight absoprtion

Mirror

0 50 100 1500

50

100

150

Pulse Height in Phonon Detector [keV]


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-

-


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101

100

102

100

102

104

106

Frequency [THz]

PhononMeanFreePath[m

m]

Si

Ge

2Al

990414_2318_MFP.eps


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-

-


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-

-

-


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E

Phonon

Absorb

Trap

Diffuse

Cooper pairsE


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0 0.1 0.2 0.3 0.4 0.5

0

0.1

0.2

0.3

0.4

0.5

Collected Energy in WTES 1 [keV]

CollectedEnergyinWTES2[keV]

Al film length: 350 m

-


48/165


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-


50/165

-

-


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0

5

10

15

20

SensorCurrent[A]

0

0.5

1

1.5

2

SensorResistance[]

0 5 10 15 2010

0

101

102

Bias Voltage [V]

SensorPower[pW]

Tc=50mK

Tc=65mK

Tc=80mK

Tc=95mK


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0 5 10 150

100

200

300

400

500

600

700

800

900

1000

Signal/Noisefor60keV

Voltage Bias [V]

Tc

=50mK

Tc=65mK

Tc=80mK

Tc=95mK

-


53/165

-

-


54/165


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-

+

Au

n-type Si

Ev

EF

Vacuum

AlEc


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|| Array of 444

TES Elements

5 mm

D

C B

A

2 m wide

250 m long

TES

3 inches

10% coverage

W Grid


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4 5

7 7 4 5

7 3 6 3

3 8 8 8

4 8 8 8

3 8 8 8

1 8 8 8

2

8

8

8

8

5

6

8

8

5

6

RPad1

LPad2

TRPad3

BRPad4

BLPad5

TLPad6

TBPad7

RLPad8


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Unexposed

Unexposed

Unexposed


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1.1 mm Al Fins

60 m Fin Width2 m W TES

-

-

-


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2m X 250m TES

4m X 40 Traps

5m W diffusion spur

Integrated Bias Rail

-


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Deposition

Al/W

Patterning

QP fins, Connectivity

Deposition

Active W

Patterning

TES

150 nm

35 nm

35 nm

Si

Al

W

Si

Al

W

Si

Al

W

Si

Al

-


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-

-


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Ti/Au Lift off

to form

20%coverage Grid

Patterned

boundary


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-

-


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-


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-


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1.6 m

2.0m

(b)

(c)

(d)

(f)

(a)

(e)


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Icebox

Cold stem

Oxford dilution

refrigerator

Detectorvolume

1.4 m

Electronics stem

not shown


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-


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Alex

14C electron source

241Am source

Au Electrode side

Al Phonon side


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15 10 5 0 5 10 1515

10

5

0

5

10

15

X DELAY [s]

YDELAY[s]

Kel.75 E +2V 983028_1325

0 20 40 60 80 1002

3

4

5

6

7

8

9

10

11

12

Phonon Energy [keV]

PhononRiseTime[s]

Kel.75 E +2V 983028_1325


90/165

15 10 5 0 5 10 153

4

5

6

7

8

9

10

X DELAY [s]

PhononRiseTi

me[s]

Kel.75 E +2V 983028_1325

a

15 10 5 0 5 10 153

4

5

6

7

8

9

10

Y DELAY [s]

PhononRiseTi

me[s]

Kel.75 E +2V 983028_1325

b


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0 20 40 60 80

0

10

20

30

40

50

60

70

80

90

Phonon Energy [keV]

ChargeEnergy[keVee]

Kel.75 +2V 983028_1325

XY cut around collimator hole

0.4 0.6 0.8 1 1.2 1.4 1.64

5

6

7

8

9

10

Charge/Phonons

PhononRiseTime[s]

Kel.75 +2V 983028_1325

121 341

2755

3217 Events


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-4 -2 0 2 40

100

200

300

400

500

600

Voltage Bias [V]

60keVposition(charge)[bins]

Seagull Plot

-4 -2 0 2 40

200

400

600

800

1000

1200

1400

1600

1800

2000

Voltage Bias [V]

60keV

position(phonons)

[bins]

Luke Effect


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0 0.1 0.2 0.3 0.4 0.5 0.66

6.5

7

7.5

8

8.5

9

Phonon Fraction

PhononRiseTime[s]

990512_3743_RTvVplot.eps

2 4 6 8 10Rise Time [s]

990512_3733_RTvVhist.eps


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200 400 600 800 10000

0.002

0.004

0.006

0.008

0.01

0.012

Time [0.1 s]

990513_2005_2phon.eps

200 400 600 800 10000

0.002

0.004

0.006

0.008

0.01

0.012

Time [0.1 s]

990513_2008_2phonfilt.eps


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0 20 40 60 80 10010

0

10

20

30

40

50

60

70

80

90

100FLIP Top Gamma Calibration

Phonon Energy [keV]

ChargeEnergy[keVe

e]

990513_2334_2dTopGam.eps

0 20 40 60 80 10010

0

10

20

30

40

50

60

70

80

90

100FLIP Bottom Gamma Calibration

Phonon Energy [keV]

ChargeEnergy[keVe

e]

990513_2333_2dbotGam.eps


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0 0.5 1 1.53

4

5

6

7

8

9

10FLIP Gamma Calibration [March]

Charge/Phonons

PhononRiseTime

[s]

3050 keV RecoilHigh Source Position

31279 Total Events

980616_0154_RTYHigh.eps

0 0.5 1 1.53

4

5

6

7

8

9

10FLIP Gamma Calibration [June]

Charge/Phonons

PhononRiseTime

[s]

3050 keV RecoilLow Source Position

980615_1821_RTYlow.eps


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0 20 40 60 80 1002

1.5

1

0.5

0

0.5

1

1.5

2

Qi

/PQo

/P

Phonon Energy [keV]

990516_1815_Nypart.eps

0 20 40 60 80 1000.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

FLIP Neutron Calibration

Phonon Energy [keV]

Charge/Phonons

990513_3838_Nyplot.eps990513_3839_Nyplot.eps

-


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0 20 40 60 80 10010

1

102

103

104

105

Recoil Energy [keV]

Neutronrate[events/kg/ke

V/day]

Neutron calibration data

990519_1935_Nrcal.eps

0 20 40 60 80 1000

0.05

0.1

0.15

0.2

0.25

Recoil Energy [keV]

Multiplesfraction

Neutron calibration data

990519_1937_Nfcal.eps


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0 20 40 60 80 1000.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6


Phonon Energy [keV]

Charge/Phonons

990519_2354_F2Np.eps

0 20 40 60 80 1000.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6


Recoil Energy [keV]

Charge/Recoil

990519_2325_B2Np.eps

0 20 40 60 80 1000.2

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6


Recoil Energy [keV]

Charge/Recoil

990519_2042_B1Np.eps


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0 1

BS

990402_1840_FD.eps

Entries

2.3

MT

B

BM2.3T~

QB

MT1.6

~

B~ ( )sys

BM

2.7T~

sys( )

2


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0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

SUF N +2V [all neutron files]

3040 keV

990401_2256_YvsRT.eps

a

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

SUF60

Co +2V [top gamma]

3040 keV

990401_2255_YvsRT.eps

b

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

Kel.75 E +2V 9830281325

3040 keV

990401_2254_YvsRT.eps

c

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

Kel.75 E+N +2V 9830282040

3040 keV

990401_2255_YvsRT.eps

d


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3 4 5 6 7 8 9 10 11 1210

2

101

100

Phonon Rise Time [s]

CriticalParameter

FLIP rise time discrimination

Q

/

3040 keV990522_2142_rtQ30.eps

0 0.2 0.4 0.6 0.8 110

3

102

10

1

100

Charge/Phonons

CriticalParameter

FLIP charge yield discrimination

Q

/3040 keV

990522_2220_yQ30.eps


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3 4 5 6 7 8 9 10 11 1210

2

101

100

Phonon Rise Time [s]

CriticalParameter

FLIP rise time discrimination

Q

/

2030 keV990522_2142_rtQ20.eps

0 0.2 0.4 0.6 0.8 110

3

102

101

100

Charge/Phonons

CriticalParameter

FLIP charge yield discrimination

Q

/2030 keV

990522_2220_yQ20.eps

-


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1 cm old lead

BLIP 1

BLIP 2

FLIP

FET Amplifiercard

4 Kelvin stage

1 K

100 mK

25 mK


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0 20 40 60 80 10010

2

101

100

101

102

103

Recoil Energy [keV]

Photonrate[events/kg/keV/day]

990517_2800_Grate.eps

0 20 40 60 80 10010

2

101

100

101

102

103

Recoil Energy [keV]

Electronrate[events/kg/ke

V/day]

990517_2806_Brate.eps


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0 20 40 60 80 10010

1

100

101

102

103

Recoil Energy [keV]

Neutronrate[events/kg/ke

V/day]

990517_2349_cNrate.eps

0 20 40 60 80 1000

0.05

0.1

0.15

0.2

0.25

Recoil Energy [keV]

Multiplesfraction

Multiples rate in coincident data with 90% limits

990517_2419_cNmult.eps


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-

-


119/165

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

80100 keV

r18_Ntot Neutrons in SUF

990517_2610_nSUF80.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

80100 keV

r18_top_Co60 Gammas in SUF

990517_2609_gSUF80.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

80100 keV

983028_1325 Electrons in BTF

990517_2607_eBTF80.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

80100 keV

r18_fb_S coincident data in SUF

990517_2611_bSUF80.eps


120/165

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

5080 keV


990517_2610_nSUF50.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

5080 keV


990517_2609_gSUF50.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

5080 keV


990517_2607_eBTF50.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

5080 keV


990517_2611_bSUF50.eps


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0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

4050 keV


990517_2610_nSUF40.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

4050 keV


990517_2609_gSUF40.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

4050 keV


990517_2607_eBTF40.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

4050 keV


990517_2611_bSUF40.eps


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0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

3040 keV


990517_2610_nSUF30.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

3040 keV


990517_2609_gSUF30.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

3040 keV


990517_2607_eBTF30.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

3040 keV


990517_2611_bSUF30.eps


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0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

2030 keV


990517_2610_nSUF20.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

2030 keV


990517_2608_gSUF20.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

2030 keV


990517_2607_eBTF20.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

2030 keV


990517_2610_bSUF20.eps


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0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

1520 keV


990517_2610_nSUF15.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

PhononRiseTime[s]

1520 keV


990517_2608_gSUF15.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

1520 keV


990517_2607_eBTF15.eps

0 0.5 1 1.53

4

5

6

7

8

9

10

11

12

Charge/Phonon

Ph

ononRiseTime[s]

1520 keV


990517_2610_bSUF15.eps


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100

101

102

103

104

1044

1043

1042

1041

1040

1039

WIMP Mass [GeV]

WIMPNucleonCrossSection[cm

2]

NaI Rome

Ge Diode

MSS models

990522_1759_SiGelim.eps


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n

Q

P

n

P

P


129/165


130/165

102

101

100

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1

Phonon Frequency [THz]

TransmissionCofficient

2Al

Luke Phonons Intrinsic Phonons

990423_2137_OxTran.eps


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132/165

2 Readout Channels

Rn = 6

Oxide

No Oxide

100 || Elements each


133/165

270 m

TES

150 m

100 m


134/165

Silicon

AluminumAluminum SiOSiO22 [500]

Tungsten TESTungsten TES


135/165

300 400 500 600

0

500

1000

1500NonOxideOxide

0 200 400 600 800 10000

100

200

300

400

500

600

700

800

900

1000

NonOxide Channel

OxideChannel

Oxide Device 0V data


136/165

0 500 1000 15000.2

0.4

0.6

0.8

1

1.2

NonOxide Channel

A/B


137/165

110 120 130 140 1500

5

10

15

Substrate Temperature [mK]

SensorPower@2[

pW]

Oxide Device

n=6

n=5

n=4


138/165

-


139/165


140/165

0 50 100 150 2000

10

20

30

40

50

Ibias

[A]

PhononSensorNoise[pA/rtH

z]

SQUID noise

Rsensor

Rbias

Ibias

SQUID

Array

-


141/165

600mK Ring

SQUID card

4K Stage

FET card


142/165

Rs

Side Coax

Rb

Tower

BiasFB

Array

Ground

- -


143/165

-


144/165

DDCCAA

BB

Filtered

No Filter


145/165


146/165

FET card

Tower

FB

Array

Rs

Sensor

Bias

Rb

SQUID

Bias

Rsb

GND

GND


147/165


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149/165


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-

-

-


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Documents

Roland Michael Clarke- An Athermal Phonon Mediated Dark Matter Detector with Surface Event Discrimination