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Is There a Sign of New Physics in Beryllium Transitions?
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Is There a Sign of New Physics in Beryllium Transitions?
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We discuss the current status of the anomaly in beryllium-8 nuclear transitions recently reported in the angular distribution of internal conversion electron-positron pairs. We present a phenomenological analysis of the signal and review the models proposed to explain it, focusing on those involving a new light protophobic vector gauge boson. We also elaborate on the prospects of verifying the anomaly in present and future experiments.
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Cited by 1 Pith paper
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