publication . Preprint . Article . Other literature type . 2013

Extra U(1), effective operators, anomalies and dark matter

Dudas, Emilian; Heurtier, Lucien; Mambrini, Y.; Zaldivar, Bryan;
Open Access English
  • Published: 01 Nov 2013
  • Publisher: HAL CCSD
  • Country: France
Abstract
Comment: 40 pages, 11 figures
Subjects
arXiv: High Energy Physics::LatticeHigh Energy Physics::Phenomenology
free text keywords: Particle Physics - Phenomenology, [PHYS.HPHE]Physics [physics]/High Energy Physics - Phenomenology [hep-ph], Nuclear and High Energy Physics, [PHYS]Physics [physics], High Energy Physics - Phenomenology, High Energy Physics - Theory, Operator (computer programming), CMB cold spot, Fermion, Physics, Standard Model, Particle physics, U-1, Gluon, Quantum electrodynamics, Planck, symbols.namesake, symbols, Dark matter
Funded by
EC| INVISIBLES
Project
INVISIBLES
INVISIBLES
  • Funder: European Commission (EC)
  • Project Code: 289442
  • Funding stream: FP7 | SP3 | PEOPLE
,
EC| UNILHC
Project
UNILHC
UNIFICATION IN THE LHC ERA
  • Funder: European Commission (EC)
  • Project Code: 237920
  • Funding stream: FP7 | SP3 | PEOPLE
,
EC| MASSTEV
Project
MASSTEV
Mass hierarchy and particle physics at the TeV scale
  • Funder: European Commission (EC)
  • Project Code: 226371
  • Funding stream: FP7 | SP2 | ERC
,
EC| HIGGS@LHC
Project
HIGGS@LHC
Search and study of the Higgs bosons at the LHC
  • Funder: European Commission (EC)
  • Project Code: 321133
  • Funding stream: FP7 | SP2 | ERC
38 references, page 1 of 3

2 Z0, heavy fermion mediators and e ective operators 5 2.1 E ective action from heavy fermion loops: coupling to gluons . . . . . . . . . . . . . . 9 2.2 \Anomalous" Z0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

3 Dark Matter Annihilation to gluons 12 3.1 The s-channel dark matter-gluons cross-section . . . . . . . . . . . . . . . . . . . . . . 13 3.1.1 Vector-coupling case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.1.2 Axial-vector couplings case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.2 The t-channel dark-matter decay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4 Experimental constraints 15 4.1 Relic abundance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 4.2 Indirect detection of dark matter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.3 Direct Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 4.4 LHC analysis through mono-jets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 4.5 Constraints on the kinetic mixing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 4.6 Summary of the various constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 = 100 GeV, the bound for MZ0 = 100

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