Journal
SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY
Volume 66, Issue 3, Pages -Publisher
SCIENCE PRESS
DOI: 10.1007/s11433-022-2046-y
Keywords
supersymmetry; dark matter; W-boson; muon g; 2
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Two experiments from the Fermilab reported anomalies for muon g-2 and W-boson mass that may indicate new physics at the low energy scale. This study examines the possibility of a common origin of these anomalies in the Next-to-Minimal Supersymmetric Standard Model. Results show that lighter electroweakinos and sleptons can contribute to muon g-2 and W-boson mass, while the corresponding neutralino dark matter mass is in the 180-280 GeV range.
Two experiments from the Fermilab, E989 and CDF II, have reported two anomalies for muon g - 2 and W-boson mass that may indicate the new physics at the low energy scale. Here we examine the possibility of a common origin of these two anomalies in the Next-to-Minimal Supersymmetric Standard Model. Considering various experimental and astrophysical constraints such as the Higgs mass, collider data, flavor physics, dark matter relic density, and direct detection experiments, we find that lighter electroweakinos and sleptons can generate sufficient contributions to muon g - 2 and m(W). Moreover, the corresponding bino-like neutralino dark matter mass is in the similar to 180-280 GeV range. Interestingly, the favored dark matter (DM) mass region can soon be entirely probed by ongoing direct detection experiments like PandaX-4T, XENONnT, LUX-ZEPLIN, and DARWIN.
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