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Queen's Particle Astrophysics - Postdocs

Bei Cai

Bei Cai (contact)

I have done work for both NEWS and DEAP. I have a Bachelor's degree from the University of Science and Technology of China and a PhD from the University of Minnesota--Twin Cities. I joined the group in 2006 as a fresh PhD graduate. After a short stay in Caltech in 2009, I decided to move back to Canada and have been with the Queen's Physics department since.

Guillaume Giroux

(contact) Guillaume Giroux

I'm a postdoctoral fellow working with Dr. Tony Noble on the PICASSO and PICO dark matter search experiments at Snolab. I work both on and off-site on a range of activities including detector operation, data analysis, and the development of a small-size test bubble chamber at Queen's University. I earned my doctoral degree in 2012 from Bern University, Switzerland, working with Dr. Jean-Luc Vuilleumier. My dissertation research focused on the search for neutrinoless double beta decay of xenon-136 within the EXO collaboration. After graduating, I continued working as a postdoctoral fellow with Dr. Vuilleumier on the development of a novel light detection scheme for use in medium-pressure gas TPCs. I hold a master's degree from Université de Montréal where I worked with Dr. Viktor Zacek on the detector fabrication, installation, and data analysis of the PICASSO experiment.

Quentin Arnaud

Quentin Arnaud

I joined the NEWS-SNO experiment at Queen's in early 2016 as a postdoctoral fellow after I completed my PhD in Fance within the EDELWEISS collaboration (Direct dark matter searches using HP-Ge crystals). I've been mainly focusing on the analysis of WIMP search data taken with a prototype for NEWS-SNO : a 60 cm diameter sphere installed at the LSM (Underground Laboratory in France). In parallel, I split my time between lab activities and simulations for electron drift times Studies.

Marcin Kuzniak

(contact) Marcin Kuzniak

I started my work at Queen's in January 2009 and I'm focused on DEAP dark matter experiment. Before, during my grad studies at the Jagiellonian University in Krakow and at the Paul Scherrer Institute, I had been involved in slightly different physics (physics of cold and ultracold neutrons, neutron electric dipole moment). Currently, I am working mainly on Monte Carlo simulations of the detector and reduction of radioactive backgrounds (using ultra pure polymer coatings), plus some unrelated R&D and mining, occasionally.

Szymon Manecki

Szymon Manecki (contact)

Hi! After I completed my PhD at Virginia-Tech, I joined SNO+ with the Queen's group to continue research in ultra-low background neutrino physics as a post-doctoral fellow. I am currently focusing on purification of a major component of our liquid scintillator that will be used in the neutrinoless double beta decay phase of SNO+. In spare time, I try to help with detector calibrations, various small-scale hardware projects, and software development or analysis whenever possible. Personally, my humble goal at Queen's is to help improve precision measurement of the solar neutrino spectrum and get a glimpse into the (hopefully dual) nature of a neutrino particle itself.

Alvine Kamaha

(contact) Alvine Kamaha

I recently joined the NEWS-SNO experiment which aims to probe the light Dark Matter sector using a new concept of spherical gaseous detector. My main effort up to now has been two-fold. First, I have been analyzing prototype data collected in France (LSM) to extract limits on a possible WIMP signal. Secondly, I have been designing the NEWS-SNO calibration system while helping with other R&D projects to facilitate a smooth setting up of the experiment at SNOLAB. Prior to joining NEWS-SNO, I did a short term post-doc on PICO. With this experiment I focused on background reduction using a wavelet approach for bubble technologies I developed during my PhD program.

Xiaohe Zhang

(contact) Xiaohe Zhang

I joined the SuperCDMS collaboration in July 2015 as a postdoctoral fellow at Queen's. My main focus is working with Dr. Philippe Camus to build a cryogenic underground test facility (CUTE) at SNOLAB. It will provide the opportunity to test the discrimination power and energy resolution of the SuperCDMS detectors underground. This facility will also help with incorporating the EURECA detector towers into the SuperCDMS cryostat, bringing additional payload of detectors into the experiment. Before moving to Canada, I finished my Ph.D. studies at University of Oxford, working with Dr. Hans Kraus on developing and producing a radio-pure cryogenic cabling system for the EDELWEISS experiment, as well as constructing a novel phonon-scintillation cryogenic detector module based on scintillating crystal, NTD-Ge sensor and PMT for next-generation dark matter direct detection and other future rare event searches.


Current Status of Past Postdocs

Berta Beltran

PostDoc at University of Alberta.

Xiongxin Dai

Research scientist at Chalk River.

Anna Davour

Research scientist at Uppsala University, Sweden.

Marie DiMarco

PostDoc at University of Geneva.

Fraser Duncan

SNOLAB associate director in Sudbury.

Kevin Graham

Faculty position at Carleton.

Laura Kormos

Lecturer at University of Lancaster, UK.

Carsten Krauss

Faculty position at University of Alberta.

Jose Maneira

Staff physicist at LIP, Lisbon, Portugal.

Sabine Roth

Patent Examiner (Civil Engineering, Thermodynamics) with the European Patent Office.

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