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Roger de Belsunce

Roger de Belsunce
Room K14
Kavli Institute for Cosmology, Cambridge
Institute of Astronomy
University of Cambridge
Madingley Road Cambridge CB3 0HA
United Kingdom

Biography:

2019 - present: PhD student in cosmology (University of Cambridge, UK)

2017-2018: Master's thesis in theoretical cosmology (Stanford University, USA)

2016-2018: MSc in Physics (ETH Zurich, CH)

2016: Bachelor's thesis in particle physics (CERN, CH)

2012-2016: BSc in Physics (ETH Zurich, CH)

Research Interests

I am interested in constraining cosmological parameters by using large-scale structure data from galaxy surveys such as BOSS and DESI (of which I am an active member). Therefore, I use information obtained from galaxy clustering, the Lyman-alpha forest and quasars. In this context, I analyse the baryon acoustic oscillations, compute likelihoods to constrain cosmological parameters and perform tomographic redshift bin analyses of the data. 

In addition to large-scale structure data analysis, I am interested in developing and testing the novel likelihood-free approach on CMB data from the Planck survey. 

Keywords

Cosmology

Key Publications

  • R. de Belsunce and L. Senatore, Tree-Level Bispectrum in the Effective Field Theory of Large-Scale Structure extended to Massive Neutrinos, JCAP 1902 (2019) 038 arXiv:1804.06849

KICC Annual Report 2018

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Roberto Maiolino appointed Honorary Professor of University College London

Dec 02, 2019

Roberto Maiolino, Director of the Kavli Institute, has been appointed Honorary Professor of University College London in the Department of Physics and Astronomy.

Gas content and quenching of local galaxies

Nov 21, 2019

During galactic transition towards quiescence 'it is not only the gas reservoir of a galaxy which decreases but also the efficiency with which the gas is turned into stars' - suggests a new study led by KICC researchers.

Detecting galaxy halo heating from accreting black holes

Oct 25, 2019

Scientists at the Kavli Institute have identified hot gas around the most luminous quasar at an epoch when the universe was less than 4 billion years old.

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