Pappalardo Fellows

Pappalardo Fellow in Physics: 2017-2020

Julieta Gruszko

Name: Julieta Gruszko

Tile(s): Pappalardo Fellow in Physics: 2017-2020


PHONE: (617) 253-2285


Massachusetts Institute of Technology
77 Massachusetts Avenue, Bldg. 26-559
Cambridge, MA 02139

Related Links:


Area of Physics:

Experimental Nuclear & Particle Physics

Research Interests

Julieta Gruszko focuses on exploring Beyond-the-Standard-Model (BSM) physics via experimental tests of the properties of neutrinos. She is currently focused on measurements of neutrinoless double-beta decay, a proposed lepton-number-violating decay that would reveal the neutrino to be its own antiparticle. This process, if it exists, could prove key in understanding the origin of neutrino mass and the predominance of matter over anti-matter in our universe.

Julieta is particularly interested in developing new detection techniques to further the reach of experiments working at the intensity frontier. This class of experiments, which includes dark matter searches and searches for rare astrophysical and nuclear processes in addition to experiments in neutrino physics, allows us to probe the physics of the early universe. Julieta’s research focuses on how we can achieve the necessary levels of sensitivity by understanding and leveraging the physics of detectors.

Julieta also has a strong interest in improving outreach and mentoring efforts in STEM fields, particularly with respect to groups that are underrepresented in physics. She has worked with elementary school through graduate school-level students, as well as with the broader public.

Biographical Sketch

Julieta is originally from Buenos Aires, Argentina, and grew up in Poughkeepsie, New York. She completed her PhD as a National Science Foundation Graduate Research Fellow in Jason Detwiler’s group at the University of Washington, where she studied neutrinoless double-beta decay with the MAJORANA DEMONSTRATOR, and received her BS in physics and BA in mathematics from University of Rochester. In her spare time, she enjoys hiking, reading, and both playing and listening to music, in genres ranging from classical and bluegrass to electronic.

Selected Publications

  • N. Abgrall et al., "New limits on bosonic dark matter, solar axions, Pauli Exclusions Principle violation, and electron decay from the low-energy spectrum of the Majorana Demonstrator," Submitted to Phys. Rev. Letters, arXiv:1612.00886 [nucl-ex].
  • N. Abgrall et al., "Muon Flux Measurements at the Davis Campus of the Sanford Underground Research Facility with the Majorana Demonstrator Veto System," Accepted for publication in Astropart. Phys., arXiv:1602.07742 [nucl-ex].
  • N. Abgrall et al., "The Majorana Demonstrator Zero-Neutrino Double-Beta Decay Experiment," Adv. High Energy Phys., 365432 (2014).
  • J. Gruszko on behalf of the Majorana Collaboration, "Delayed charge recovery discrimination of passivated surface alpha events in P-type point-contact detectors," Proceedings of the XXVII International Conference on Neutrino Physics and Astrophysics, London, England, J. Phys: Conf. CNUM: C16-07-04.2 (2016).

Last updated on September 7, 2017 2:45 PM