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Implications of effective axial-vector coupling of gluon for spin polarizations at the LHC
E. Gabrielli, A. Racioppi, M. Raidal +1
We analyze the impact of effective axial-vector coupling of the gluon on spin polarization observables in pair production at the LHC. Working at leading order in QCD, we…
Search for exotic resonances decaying into WZ/ZZ in pp collisions at sqrt(s) = 7 TeV
CMS Collaboration
A search for new exotic particles decaying to the VZ final state is performed, where V is either a W or a Z boson decaying into two overlapping jets and the Z decays into a pair of…
Scalar Singlet Dark Matter
Geneviève Bélanger, Kristjan Kannike, Alexander Pukhov +1
We consider the minimal scalar singlet dark matter stabilised by a symmetry. Due to the cubic term in the scalar potential, semi-annihilations, besides annihilations, contrib…
Observation of Z decays to four leptons with the CMS detector at the LHC
CMS Collaboration
The first observation of the Z boson decaying to four leptons in proton-proton collisions is presented. The analyzed data set corresponds to an integrated luminosity of 5.02 invers…
Fermi-LAT gamma-ray signal from Earth Limb, systematic detector effects and their implications for the 130 GeV gamma-ray excess
Andi Hektor, Martti Raidal, Elmo Tempel
We look for possible spectral features and systematic effects in Fermi-LAT publicly available high-energy gamma-ray data by studying photons from the Galactic centre, nearby galaxy…
Double gamma-ray lines from unassociated Fermi-LAT sources revisited
Andi Hektor, Martti Raidal, Elmo Tempel
We search for the presence of double gamma-ray line from unassociated Fermi-LAT sources including detailed Monte Carlo simulations to study its global statistical significance. App…