Summary of my PhD thesis and link to the full text

I am happy to report that I finished my Ph.D. a few days ago! My defense is done and the thesis submitted. 

So now I have a final draft of the thesis and share the short version/conclusions as well as a link to the full text in this post. 

Picture of Ob Hill in McMurdo, Antarctica. Taken during hikes in Antarctica where I was working on the experiment for my PhD.
I climbed Ob Hill (Antarctica) a few times during my Ph.D. so here is a glimpse of that


Link to the pdf of my thesis!


Abbreviations you see a lot


ANITA: ANtarctic Impulsive Transient Antenna

EAS: Extensive air shower

UHE: ultra-high-energy

GRB: Gamma Ray Burst 


Short version/conclusions 


It is an exciting time for particle astrophysics (says me). 

There have been major developments in the radio detection of UHE neutrinos and extensive air showers. 

ANITA has made two observations of potential UHE tau neutrino candidates for the first time. 

It has been found that ANITA also has the potential to be sensitive to exotic physics involving supersymmetric particles (cute theory paper below). 

The search for a diffuse flux of UHE neutrinos in data from the third flight of ANITA has been completed. 
A new limit has been placed on the diffuse flux of UHE neutrinos (analysis paper below).

Around 25 EAS candidates were also discovered in the ANITA-3 data, two of which were only discovered in the new binned analysis presented in this thesis. 

This thesis is also the first document to describe the (gory) details of the binned analysis results published for the first time in the analysis paper below. 


This is an important figure from my thesis analysis. It came to represent the new analysis that I helped to develop in my thesis.

The plot in my thesis that has gained emoji status in the collaboration ;)

The binned analysis has also been successfully extended to perform a search for neutrinos from GRBs with progress made in the development of the first search constrained in time as well as direction.

Lastly, the total instrument livetime of ANITA has been tripled in ANITA-4 by the TUFF notch filters. Details on these filters and associated results along with the first descriptions of the ANITA-3 and -4 instruments are also part of this thesis and an associated publication (instrument paper below). 

This has paved the way for a much more (about 4 times more) sensitive instrument and the potential for further confirmation of ground-breaking observations as well as for new discoveries in particle astrophysics.

This work is organized into seven chapters in the thesis. 

The main publications associated with this thesis are:






Hope you enjoy and please leave any comments or questions in the box below!

P.S. There are four appendices that are written especially keeping in mind the new graduate students who will continue this work. 

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