51 citations · 97 across the 6 of their papers we have counts for
6 papers
Constraining Inflationary Particle Production with CMB Polarization
Luca H. Abu El-Haj, Oliver H. E. Philcox, J. Colin Hill
Following Philcox et al. (2025), we investigate a scenario with a massive partner to the inflaton ( times the inflationary Hubble scale), in which particles are produced du…
The ISW-Lensing Bispectrum & Trispectrum
Oliver H. E. Philcox, J. Colin Hill
Due to the integrated Sachs-Wolfe (ISW) effect, cosmic microwave background (CMB) temperature and polarization fluctuations are correlated with the gravitational lensing potential.…
Massive-ish Particles from Small-ish Scales: Non-Perturbative Techniques for Cosmological Collider Physics from Large-Scale Structure Surveys
Samuel Goldstein, Oliver H. E. Philcox, J. Colin Hill +1
Massive particles produced during inflation impact soft limits of primordial correlators. Searching for these signatures presents an exciting opportunity to uncover the particle sp…
Too Hot to Handle: Searching for Inflationary Particle Production in Planck Data
Oliver H. E. Philcox, Soubhik Kumar, J. Colin Hill
Non-adiabatic production of massive particles is a generic feature of many inflationary mechanisms. If sufficiently massive, these particles can leave features in the cosmic microw…
On the effect of non-Gaussian lensing deflections on CMB lensing measurements
Vanessa Böhm, Blake D. Sherwin, Jia Liu +3
We investigate the impact of non-Gaussian lensing deflections on measurements of the CMB lensing power spectrum. We find that the false assumption of their Gaussianity significantl…
Multitracer CMB delensing maps from Planck and WISE data
Byeonghee Yu, J. Colin Hill, Blake D. Sherwin
Delensing, the removal of the limiting lensing B-mode background, is crucial for the success of future cosmic microwave background (CMB) surveys in constraining inflationary gravit…