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Neutron disappearance and the LZ nuclear recoil event
Mohammad Aghaie, Alessandro Strumia
The LZ experiment reported a nuclear recoil with anomalous energy keV, around the typical neutron motion in xenon. This motivates interpreting the event as the disappeara…
Boosted dark particles and the LZ nuclear recoil event
Kristjan Kannike, Martti Raidal, Alessandro Strumia
The LZ experiment reported one anomalous event with nuclear recoil energy of 248 keV. Galactic halo dark matter (DM) cannot produce such a large energy unless heavier than 74 GeV,…
The Too Visible QCD Axion
Luca Di Luzio, Michele Redi, Alessandro Strumia +2
Murayama proposed a GeV-scale axion theory where the up-quark mass term is generated dynamically by the QCD chiral condensate, spontaneously breaking a Peccei-Quinn symmetry. It pr…