Hidden sector effects on double higgs production near threshold at the LHC
arXiv:1009.4497 · doi:10.1016/j.physletb.2011.06.086
Abstract
In this letter we study a novel effect of a hidden sector coupling to the standard model Higgs boson: an enhancement of the Higgs pair production cross section near threshold due to bound state effects. After summing the ladder contributions of the hidden sector to the effective coupling, we find the amplitude for gluon-gluon scattering via a Higgs loop. We relate this amplitude to the double Higgs production cross section via the optical theorem. We find that enhancements of the order of 100 for the partonic cross section near the threshold region can be obtained for a hidden sector strongly coupled to the Higgs boson. The corresponding cross section at the LHC can be as large as a factor of 10 times the SM result for extreme values of the coupling. The detection of such an effect could in principle lead to important information about the hidden sector.
arXiv comment7 pages, 2 figures. Matches published version
References in corpus (27)
- Particle Dark Matter: Evidence, Candidates and Constraints
- A Theory of Dark Matter
- Dark Matter Candidates from Particle Physics and Methods of Detection
- Global QCD Analysis of Parton Structure of the Nucleon: CTEQ5 Parton Distributions
- Gauge Singlet Scalars as Cold Dark Matter
- The Minimal Model of Nonbaryonic Dark Matter: A Singlet Scalar
- Cosmology and Astrophysics of Minimal Dark Matter
- Non-Perturbative Effect on Dark Matter Annihilation and Gamma Ray Signature from Galactic Center
- Explosive Dark Matter Annihilation
- Pair Production of Neutral Higgs Particles in Gluon--Gluon Collisions
- A Minimal Spontaneously Broken Hidden Sector and its Impact on Higgs Boson Physics at the Large Hadron Collider
- Dark Matter Self-Interactions and Light Force Carriers
- Sommerfeld Enhancements for Thermal Relic Dark Matter
- A Higgs-Higgs bound state due to New Physics at a TeV
- WIMPonium and Boost Factors for Indirect Dark Matter Detection
- Self-interacting Dark Matter and Invisibly Decaying Higgs
- Can the WIMP annihilation boost factor be boosted by the Sommerfeld enhancement?
- Sommerfeld enhancement: general results from field theory diagrams
- Cosmological Constraints on an Invisibly Decaying Higgs Boson
- Top-quark pair production near threshold at LHC
- Bound-state Effects on Top Quark Production at Hadron Colliders
- Nonperturbative study of generalized ladder graphs in a ϕ^2χtheory
- Higgs boson pair production in new physics models at hadron, lepton, and photon colliders
- Double Higgs Production and Quadratic Divergence Cancellation in Little Higgs Models with T Parity
- Annihilation decays of bound states at the LHC
- A Tight Connection Between Direct and Indirect Detection of Dark Matter through Higgs Portal Couplings to a Hidden Sector
- Higgs Pair Production at the LHC in Models with Universal Extra Dimensions
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- Hadron Collider Searches for Diboson Resonances
- New Physics in Double Higgs Production at Future Colliders