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,
Read more.
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,
Read more.
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
Read more.
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
Read more.
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.
Read more.
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
Read more.
The neutrino from below
Article title: The ANITA Anomalous Events as Signatures of a Beyond Standard Model Particle and Supporting Observations from IceCube Authors:
Read more.
Neutrinos: What Do They Know? Do They Know Things?
Title: “Upper Bound of Neutrino Masses from Combined Cosmological Observations and Particle Physics Experiments” Author: Loureiro et al.  Reference: https://journals.aps.org/prl/pdf/10.1103/PhysRevLett.123.081301
Read more.
Gamma Rays from Andromeda: Evidence of Dark Matter?
In a recent paper , Chris Karwin et al. report an excess in gamma rays that seem to be originating
Read more.
Hullabaloo Over The Hubble Constant
Title: The Expansion of the Universe is Faster than Expected Author: Adam Riess Reference: Nature   Arxiv There is a current
Read more.

 

Supported by AAS.