Dijet resonance from leptophobic Z' and light baryonic cold dark matter
P. Ko, Y. Omura, Chaehyun Yu (KIAS)
TL;DR
This paper explores a leptophobic Z' gauge boson as an explanation for the CDF Wjj excess, linking it to light baryonic cold dark matter with specific detection prospects.
Contribution
It proposes a non-supersymmetric U(1)_B x U(1)_L model that connects the dijet resonance to baryonic dark matter, offering testable predictions.
Findings
Dijet peak can be explained by a leptophobic U(1)_B gauge boson.
Light baryonic dark matter with a few GeV mass is implied.
Direct detection cross section is predicted at a few x 10^{-2} pb.
Abstract
In light of the recent CDF report on the excess in the Wjj channel, we analyze (non)supersymmetric U(1)_B x U(1)_L model, interpreting the dijet peak as a leptophobic U(1)_B gauge boson. If this excess is confirmed, it has an interesting implication for the baryonic cold dark matter (CDM) in the model: there should be light CDM with a few GeV mass, and direct detection cross section at the level of a few x 10^{-2} pb.
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