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hep-ph2026
Scalars at the Cosmological Collider: Full Shapes of Tree Diagrams and Bispectrum Searches using Planck Data
Soubhik Kumar, Qianshu Lu, Zhong-Zhi Xianyu +1
The Cosmological Collider (CC) provides a unique opportunity to probe the particle spectrum and fundamental interactions at extremely high energies. Massive particles, via their de…
hep-ph2026
Cosmological Collider Searches beyond the Hubble Scale with Planck Data
Soubhik Kumar, Qianshu Lu, Zhong-Zhi Xianyu +1
Searches for primordial non-Gaussianity (NG) has the potential to not only reveal the physics of cosmic inflation, but also the structure of fundamental interactions at the highest…