Ongoing Research



GNO

The Greenland Neutrino Observatory is a next-generation radio detector for ultra-high energy neutrinos. We tested a prototype detector at Summit Station Greenland in June 2015, and are leading the development effort.

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ANITA

The ANITA experiment is a NASA long-duration balloon experiment that detects the radio signals generated via the Askaryan effect from ultra-high energy neutrinos interacting in the Antarctic ice sheet. The third flight of ANITA flew in December 2014 for 22 days in Antarctica, with world-leading sensitivity to the highest energy neutrinos. The fourth flight of ANITA is scheduled for December 2016.

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BICEP3

BICEP3 is an experiment that observes the microwave sky on degree angular scales to make precision measurements of the polarization of the Cosmic Microwave Background. BICEP3 follows up on the detection of B-mode polarization by BICEP2, looking for the pattern imprinted on the CMB by gravitational waves created during Inflation. After a successful integration and installation at South Pole, BICEP3’s first light was on January 18, 2015, and it has been observing ever since.

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The Keck Array

The Keck Array is an array of five polarimeters of similar design to BICEP2. It has the same science goals as the BICEP series of instruments, but with a factor of five increase in the number of detectors compared to BICEP2, leading to increased sensitivity. The Keck Array has been observing since 2012, and has now observed at four frequencies (95, 150, 220, and 250 GHz).

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Recent Publications and News


SELECTED LATEST JOURNAL PUBLICATIONS

"Characteristics of Four Upward-pointing Cosmic-ray-like Events Observed with ANITA", arXiv:1603.05218 (2016)

"Keck Array VI: Improved Constraints on Cosmology and Foregrounds when Adding 95 GHz Data from the Keck Array", PRL 116, 031302 (2016)

"Accelerator Measurements of Magnetically-induced Radio Emission from Particle Cascades with Applications to Cosmic-ray Air Showers", PRL, In Press (2016)

"Energy and Flux Measurements of Ultra-High Energy Cosmic Rays Observed During the First ANITA Flight", Astroparticle Physics, In Press (2016)

"A New Technique for Detection of PeV Neutrinos Using a Phased Radio Array", JCAP 2016:02 (2016)

"BICEP2 / Keck Array V: Measurements of B-mode Polarization at Degree Angular Scales and 150 GHz by the Keck Array", ApJ 811:126 (2015)

"A Joint Analysis of BICEP2/Keck Array and Planck Data", PRL 114, 101301 (2015)

"BICEP2 III: Instrumental Systematics", ApJ 814:2 (2015)

"BICEP2/KECK Array IV. Optical Characterization and Performance of the BICEP2 and Keck Array Experiments" , ApJ 806:206 (2015)

"An in situ measurement of the radio-frequency attenuation in ice at Summit Station, Greenland", Journal of Glaciology 61:229 (2014)

"BICEP2 2014 I: Detection of B-mode Polarization at Degree Angular Scales by BICEP2 ", PRL 112, 241101, (2014)


Our Team


Abigail Vieregg

Assistant Professor, Physics, Enrico Fermi Institute, KICP. Ph.D., UCLA, 2010.

CV . Publications . Polar Blog



Cosmin Deaconu

Postdoctoral Scholar, ANITA/GNO, Ph.D. MIT 2015.

Christopher Sheehy

KICP Fellow, BICEP2/Keck Array, Ph.D. Chicago 2013.


Eric Oberla

Postdoctoral Scholar, ARA/GNO, Ph.D. Chicago 2015.

Nicole Larsen

KICP Fellow, Keck Array/BICEP3, Ph.D. Yale 2015.


Andrew Ludwig

Physics Graduate Student, ANITA/GNO


Jonathan Kyl

Physics AB, UChicago '16.

Isaac Malsky

Physics AB, UChicago '18.

John Bowen

Physics AB, UChicago '18.


Alumni




Keith Bechtol

Now a John Bahcall Fellow at WIPAC at Wisconsin-Madison.

Jessica Avva

Now a Graduate Student at UC Berkeley.

Christopher Hughes

Former Undergraduate Student

Sophia Kim

Former Undergraduate Student


Outreach



Abby volunteers for Astronomy Conversations at the Adler Planetarium, an opportunity for museum guests to ask science questions to working scientists.

Cosmin works with the Space Explorers Program, directly working with urban youth.

Chris recently put on "The Evolving Universe", a short course for Museum and Planetarium Staff.


In The News



Our lab's work has been featured....

 

On The Kavli Foundation's webpage.

In Symmetry Magazine.

In Scientific American.

Again in Symmetry Magazine.

On PBS.

In a podcast from McGill.


Contact Us



Our lab is part of the Kavli Insitute of Cosmological Physics in the new Eckhardt Research Center at the University of Chicago.

We can be reached at 773-834-2988 or things can be shipped to Abigail Vieregg, University of Chicago, 5640 S. Ellis Ave - ERC 429, Chicago, IL 60637.

We are always looking for new group members. Contact Abby (avieregg@kicp.uchicago.edu) if you're interested in working with us.