Higgs doublets, split multiplets and heterotic SU(3)(C) x SU(2)(L) x U(1)(Y) spectra

Sep, 2004
11 pages
Published in:
  • Phys.Lett.B 618 (2005) 259-264
e-Print:
Report number:
  • UPR-1087-T

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Abstract:
A methodology for computing the massless spectrum of heterotic vacua with Wilson lines is presented. This is applied to a specific class of vacua with holomorphic SU(5)-bundles over torus-fibered Calabi-Yau threefolds with fundamental group Z_2. These vacua lead to low energy theories with the standard model gauge group SU(3)_C x SU(2)_L x U(1)_Yand three families of quark/leptons. The massless spectrum is computed, including the multiplicity of Higgs doublets.
Note:
  • 11+1 pp Report-no: UPR-1087-T Subj-class: High Energy Physics - Theory: Algebraic Geometry Journal-ref: Phys.Lett. B618 (2005) 259-264
  • gauge field theory: SU(3) x SU(2) x U(1)
  • string model: heterotic
  • vacuum state
  • spectrum: massless
  • Higgs particle: doublet
  • cohomology