In a supersymmetric Twin Higgs model, light scalars can keep electroweak symmetry broken at high temperature, and a special neutrino sector can suppress dark radiation to match CMB limits.
Massive extended streamers feed high-mass young stars
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abstract
Stars are born in a variety of environments that determine how they gather gas to achieve their final masses. It is generally believed that disks are ubiquitous around protostars as a result of angular momentum conservation and are natural places to grow planets. As such, they are proposed to be the last link in the inflow chain from the molecular cloud to the star. However, disks are not the only form that inflows can take. Here we report on high-resolution observations performed with the Atacama Large Millimeter/submillimeter Array that reveal inflows in the form of streamers. These streamers persist well within the expected disk radius, indicating that they play a substitute role channeling material from the envelope directly to an unresolved small disk or even directly to the forming high-mass protostar. These flows are massive enough to feed the central unresolved region at a rate sufficient to quench the feedback effects of the young massive star.
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Electroweak symmetry non-restoration and suppressed dark radiation in Supersymmetric Twin Higgs model
In a supersymmetric Twin Higgs model, light scalars can keep electroweak symmetry broken at high temperature, and a special neutrino sector can suppress dark radiation to match CMB limits.