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michael879
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^bump?
Conservation of weak hypercharge and isospin
- Thread starter michael879
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- Conservation Isospin Weak
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The discussion centers on the conservation of weak hypercharge and isospin in electroweak theory, particularly when incorporating mass terms for weak bosons without a Higgs mechanism. It is noted that adding these mass terms breaks the gauge symmetry of U(1) and SU(2) fields, leading to questions about the conservation of associated currents. Participants debate whether the conservation of weak hypercharge and isospin is a theoretical necessity or merely a postulate supported by experimental results, with some claiming that these currents should remain conserved. The conversation also touches on the implications of gauge invariance and spontaneous symmetry breaking, suggesting that if gauge invariance is preserved, charge conservation could still hold. Ultimately, the need for a deeper understanding of the electroweak Lagrangian and its implications for conservation laws is emphasized.
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