Mr Andre Scaffidi

Higher Degree by Research Candidate

Postgraduate Student

School of Physical Sciences

Faculty of Sciences

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I am a PhD student at the University of Adelaide. My primary research focus is dark matter phenomenology, specialising on constraints that the modern state of the art experiments give us on the dark matter properties.

Previous studies I have worked on include developing an analysis package that provides the necessary likelihood calculators needed fore the analyst to constrain any general WIMP model using the results of the Large Underground Xenon experiment (LUX). I have also worked on including the O(1%) of radiative muon decays that would arise from DM-DM annihilation and showed that indirect detection constraints from the Fermi-Dwarf galaxies as well as the galactic center are significantly dependent on these corrections for DM models which annihilate to final state muons.

My current work is aimed at how direct detection signals are modified in the presence of several stable weakly-interacting-massive particles. Assuming a positive signal in a future direct detection experiment, stemming from two dark matter components, we study the region in parameter space where it is possible to distinguish a one from a two-component dark matter scenario.

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Education

Date	Institution name	Country	Title
2016	University of Adelaide, Adelaide	Australia	Doctor of Philosophy (Theoretical physics) Dark matter phenomenology
2013 - 2016	University of Adelaide	Australia	Masters of Philosophy (Theoretical physics)
2011 - 2013	University of Adelaide	Australia	Bachelor of Science (Adv.) Majoring in Theoretical and Experimental Physics

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Journals

Year	Citation
2019	Herrero-Garcia, J., Scaffidi, A., White, M., & Williams, A. G. (2019). On the direct detection of multi-component dark matter: implications of the relic abundance. Journal of Cosmology and Astroparticle Physics, 2019(1), 1-21. DOI
2018	Herrero-Garcia, J., Scaffidi, A., White, M., & Williams, A. (2018). Time-dependent rate of multicomponent dark matter: reproducing the DAMA/LIBRA phase-2 results. Physical Review D, 98(12), 123007-1-123007-8. DOI Scopus1 WoS1
2017	Herrero-Garcia, J., Scaffidi, A., White, M., & Williams, A. (2017). On the direct detection of multi-component dark matter: sensitivity studies and parameter estimation. Journal of Cosmology and Astroparticle Physics, 2017(11), 021-1-021-36. DOI Scopus6 WoS5
2016	Scaffidi, A., Freese, K., Li, J., Savage, C., White, M., & Williams, A. (2016). Gamma rays from muons from WIMPs: implementation of radiative muon decays for dark matter analyses. Physical Review D, 93(11), 115024-1-115024-10. DOI Scopus7 WoS7
2015	Savage, C., Scaffidi, A., White, M., & Williams, A. (2015). LUX likelihood and limits on spin-independent and spin-dependent WIMP couplings with LUXCalc. Physical Review D - Particles, Fields, Gravitation, and Cosmology, 92(10), 103519-1-103519-16. DOI Scopus25 WoS26

ARC Center of Excellence for Particle Physics at the Terrascale (CoEPP).

Australian Postgraduate Award (APA)

I have been actively involved in teaching the second year PHYSICS IIB solid state physics component for the past two years as a tutor. I have also supervised first year laboratories.

Position: Postgraduate Student
Phone: 83133993
Email: andre.scaffidi@adelaide.edu.au
Fax: 8313 4380
Campus: North Terrace
Building: Physics, floor 1
Room: 1 19
Org Unit: Physics

Mr Andre Scaffidi

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