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Low-energy Restrictions for a Flipped $E(6)$ Model

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Publication Date
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DOI: 10.1007/BF01560268
OAI: oai:inspirehep.net:278056
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INSPIRE-HEP
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Abstract

I consider some low energy restrictions for a “flipped” left-right symmetric model containing exotic fermions ofE6 and a right-handedW-boson, all with oddR-parity. The new interactions due toWR-exchange have no significant impact on rare kaon decays, because theWR does not couple tod,s,b quarks. On the other hand,WR exchanges might induce rare processes like\(D - \bar D\) mixing,\(D^0\to \mu \bar \mu ,D^0\to \mu \bar e,\mu\to e\gamma ,\mu\to 3e\), and μN→eN. It turns out that the strongest bound is obtained from\(D - \bar D\) mixing. With reasonable extra assumptions, it is found that the exotic right-handed W-boson is likely to be heavier than 500 to 1500 GeV.

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