Design and Modeling of Dark Matter Axion Detectors

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Design and Modeling of Dark Matter Axion Detectors Gabe Rizzo QuarkNet Summer Program 28 July, 2016

Transcript of Design and Modeling of Dark Matter Axion Detectors

Design and Modeling of Dark Matter

Axion Detectors

Gabe Rizzo

QuarkNet Summer Program

28 July, 2016

Outline

• Background on me

• Dark matter axions

• The ADMX experiment

• My contributions to experiment

• Acknowledgments

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Who am I?

• High school senior

• Oak Park and River Forest High School

• Interested in aerospace engineering

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Dark Matter

• Makes up 24% of observable

mass/energy

• Does not interact or emit

electromagnetic radiation

• Likely made of particles

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Principle of Axion Detection

• Low temperature microwave cavities in strong magnetic field

• Axion microwave photon coupling

• Microwave photon detection

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Existing Axion Search Experiments

• ADMX (Axion Dark Matter eXperiment)

• Sidecar experiment

• Fermilab high frequency R&D

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How Does ADMX Work?

• Microwave cavities

• Inductor/capacitor circuit

• “Listening” for signal

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Low Noise High Power Amplification

• Power signature at Yoctowatt scale (10-24 watts)

• HFETs

• SQUIDs

HFET Amplifier Squid Amplifier

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ADMX Results

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High Frequency Detector Design

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Parameter Based Models

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Connection to Existing ADMX Equipment

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Connection to Existing ADMX Equipment

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Railgun test courtesy of US Navy

Connection to Existing ADMX Equipment

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Tuning on ADMX

• Two tuning rods to tune cavity

• Linear tuning system for antennas

• What's the difference?

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Tuning Rod Assembly

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Tuning Rod Assembly

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Attocube ANR101 Actuator

Linear Adjustment Assembly

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Cold Fingers

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New Old

Future Plans

• Fine tune design

• Build prototype

• Collect data

• Implement multiple cavity design

• Find axions!

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Acknowledgments

Thank you to:

• Quarknet (Chris Stoughton, Laura Thorpe, George Dzuricsko)

• Fermilab

• Andrew Sonnenschein

• Aaron Chou

• Daniel Bowring

• Benjamin Cain

• Chris Cameron

• Chiara Salemi

• Juan Takase

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Acknowledgments

Big Thanks To: Drake

For design inspiration

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