## Front Page (postgrid)

Three Birds with One Particle: The Possibilities of Axions
Title: “Axiogenesis” Author: Raymond T. Co and Keisuke Harigaya Reference: https://arxiv.org/pdf/1910.02080.pdf On the laundry list of problems in particle physics,
LHCb’s Flavor Mystery Deepens
Title: Measurement of CP -averaged observables in the B0→ K∗0µ+µ− decay Authors: LHCb Collaboration Refference: https://arxiv.org/abs/2003.04831 In the Standard Model,
Does antihydrogen really matter?
Article title: Investigation of the fine structure of antihydrogen Authors: The ALPHA Collaboration Reference: https://doi.org/10.1038/s41586-020-2006-5 (Open Access) Physics often doesn’t
Dark Matter Freeze Out: An Origin Story
In the universe, today, there exists some non-zero amount of dark matter. How did it get here? Has this same
Making Smarter Snap Judgments at the LHC
Collisions at the Large Hadron Collider happen fast. 40 million times a second, bunches of 1011 protons are smashed together.
Proton Momentum: Hiding in Plain Sight?
Protons and neutrons at first glance seem like simple objects. They have well defined spin and electric charge, and we
The neutrino from below
Article title: The ANITA Anomalous Events as Signatures of a Beyond Standard Model Particle and Supporting Observations from IceCube Authors: