Universal Torsion-Induced Interaction from Large Extra Dimensions

Abstract

We consider the Kaluza-Klein (KK) scenario in which only gravity exists in the bulk. Without the assumption of symmetric connection, the presence of brane fermions induces torsion. The result is a universal axial contact interaction that dominates those induced by KK gravitons. This enhancement arises from a large spin density on the brane. Using a global fit to Z-pole observables, we find the 3 sigma bound on the scale of quantum gravity to be 28 TeV for n=2. If Dirac or light sterile neutrinos are present, the data from SN1987A increase the bound to \sqrt{n}M_S >= 210 TeV.

9 pages REVTeX, 1 postscript figure, uses axodraw.sty

References in corpus (6)

• SN1987A Constraints on Large Compact Dimensions
• Brane fluctuations and suppression of Kaluza-Klein mode couplings
• Collider Tests of Compact Space Dimensions Using Weak Gauge Bosons
• Constraints on R-parity violating couplings from LEP/SLD hadronic observables
• Constraints on R-parity violating couplings from lepton universality
• Constraints on Two-Higgs Doublet Models at Large tan{beta} from W and Z decays

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• Constraints on extra-dimensional theories from virtual-graviton exchange
• Torsion Phenomenology at the LHC
• Bulk Kalb-Ramond field in Randall Sundrum scenario
• The NuTeV Anomaly, Neutrino Mixing, and a Heavy Higgs Boson
• Affleck-Dine baryogensis in large extra dimensions
• Nonminimal couplings, gravitational waves, and torsion in Horndeski's theory
• Constraints on Gauged B-3L_tau and Related Theories
• Torsion Constraints in the Randall--Sundrum Scenario
• A Mini-Review of Constraints on Extra Dimensions
• Fermion Masses Through Condensation in Spacetimes with Torsion
• Bulk torsion fields in theories with large extra dimensions
• Torsion as a Dark Matter Candidate from the Higgs Portal
• Antisymmetric tensor fields in a generalized Randall-Sundrum scenario
• Updated limits on extra dimensions through torsion and LHC data
• Direct Signals for Large Extra Dimensions in the Production of Fermion Pairs at Linear Colliders
• Supersymmetry and Electroweak Leptonic Observables
• Corrections to Higgs width decay into a fermion pair from gravitational torsion
• Corrections to (pseudo)scalars decay into a fermion pair from gravitational torsion