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Prediction of $\sin^2\theta_W$ in a Conformal Approach to Coupling Unification
High Energy Physics - Phenomenology · Submitted 23 Apr 2001
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim We present an example of a resulting $SU(4)_c\times SU(2)_L\times SU(2)_R$ with three generations, which leads to coupling unification and a prediction for $sin^2\theta_W\simeq .227$ and other phenomenology generally consistent with observations.
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The possibility that non-supersymmetric conformal field theories softly broken below 100 TeV may provide an alternative to conventional grand unification is explored. We consider a low energy theory presumed to be of this type arising from the Type IIB superstring compactified on a $AdS_5 \times S_5/\Gamma$ space whose gauge group and the particle content are severely restricted by the compactification process. We present an example of a resulting $SU(4)_c\times SU(2)_L\times SU(2)_R$ with three generations, which leads to coupling unification and a prediction for $sin^2\theta_W\simeq .227$ and other phenomenology generally consistent with observations.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | The possibility that non-supersymmetric conformal field theories softly broken below 100 TeV may provide an alternative to conventional grand unification is explored. | background 0.69 | 0.62 | 0.08 | hedged possibility 0.98 |
| s1 | We consider a low energy theory presumed to be of this type arising from the Type IIB superstring compactified on a $AdS_5 \times S_5/\Gamma$ space whose gauge group and the particle content are severely restricted by the compactification process. | method 0.65 | 0.37 | 0.03 | asserted 0.50 |
| s2 | We present an example of a resulting $SU(4)_c\times SU(2)_L\times SU(2)_R$ with three generations, which leads to coupling unification and a prediction for $sin^2\theta_W\simeq .227$ and other phenomenology generally consistent with observations. | result 0.89 | 0.92 | 0.88 | asserted 0.81 |
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Original abstract
The possibility that non-supersymmetric conformal field theories softly broken below 100 TeV may provide an alternative to conventional grand unification is explored. We consider a low energy theory presumed to be of this type arising from the Type IIB superstring compactified on a $AdS_5 \times S_5/\Gamma$ space whose gauge group and the particle content are severely restricted by the compactification process. We present an example of a resulting $SU(4)_c\times SU(2)_L\times SU(2)_R$ with three generations, which leads to coupling unification and a prediction for $sin^2\theta_W\simeq .227$ and other phenomenology generally consistent with observations.
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