409 citations · 6.8k across the 105 of their papers we have counts for
20 papers · 1 filter
Trigger and Aperture of the Surface Detector Array of the Pierre Auger Observatory
J. Abraham, P. Abreu, M. Aglietta +469
The surface detector array of the Pierre Auger Observatory consists of 1600 water-Cherenkov detectors, for the study of extensive air showers (EAS) generated by ultra-high-energy c…
Search for signatures of magnetically-induced alignment in the arrival directions measured by the Pierre Auger Observatory
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +496
We present the results of an analysis of data recorded at the Pierre Auger Observatory in which we search for groups of directionally-aligned events (or `multiplets') which exhibit…
Zgamma production and limits on anomalous ZZgamma and Zgammagamma couplings in ppbar collisions at sqrt(s)=1.96 TeV
D0 Collaboration
We present a measurement of ppbar->Zgamma->ll+gamma (l = e, mu) production with a data sample corresponding to an integrated luminosity of 6.2 fb^{-1} collected by the D0 detector…
Measurement of the relative branching ratio of B^0_s to J/psi f_{0}(980) to B_{s}{0} to J/psi phi
D0 collaboration, V. Abazov
We present a measurement of the relative branching fraction, R_{f_{0}/phi}, of B_{s}^{0} to J/ψf_{0}(980), with f_{0}(980) to pi^+ pi^-, to the process B_{s}^{0} to J/psi phi, with…
Evidence for spin correlation in ttbar production
V. M. Abazov
We present a measurement of the ratio of events with correlated t and tbar spins to the total number of ttbar events. This ratio f is evaluated using a matrix-element-based approac…
Measurement of the anomalous like-sign dimuon charge asymmetry with 9 fb of collisions
B. Hoeneisen
The DØ Collaboration has performed a new measurement of the anomalous like-sign dimuon charge asymmetry with 9 fb of collisions. In these proceedings I present a…
Search for first generation leptoquark pair production in the electron + missing energy + jets final state
D0 Collaboration, V. Abazov
We present a search for the pair production of first generation scalar leptoquarks (LQ) in data corresponding to an integrated luminosity of 5.4 fb collected with the D0 det…
Anisotropy and chemical composition of ultra-high energy cosmic rays using arrival directions measured by the Pierre Auger Observatory
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +490
The Pierre Auger Collaboration has reported evidence for anisotropy in the distribution of arrival directions of the cosmic rays with energies eV. Thes…
Measurement of the anomalous like-sign dimuon charge asymmetry with 9 fb^-1 of p pbar collisions
D0 Collaboration, V. Abazov
We present an updated measurement of the anomalous like-sign dimuon charge asymmetry Aslb for semi-leptonic -hadron decays in 9.0 fb^-1 of p pbar collisions recorded with the D0…
Precision measurement of the ratio B(t -> Wb)/B(t -> Wq)
D0 Collaboration, V. Abazov
We present a measurement of the ratio of top quark branching fractions R = B(t -> Wb)/B(t -> Wq), where q can be a d, s or b quark, in the lepton+jets and dilepton ttbar final stat…
Search for doubly-charged Higgs boson pair production in ppbar collisions at sqrt{s} = 1.96 TeV
D0 Collaboration
We present a search for pair production of doubly-charged Higgs bosons in the processes qqbar to H++H-- decaying through H++/-- to tau tau, muon tau, muon muon. The search is perfo…
Precise measurement of the top-quark mass from lepton+jets events at D0
The D0 Collaboration, V. Abazov
We report a measurement of the mass of the top quark in lepton+jets final states of ppbar->ttbar data corresponding to 2.6 fb^{-1} of integrated luminosity collected by the D0 expe…
Precise measurement of the top quark mass in the dilepton channel at D0
D0 Collaboration, V. M. Abazov, B. Abbott +419
We measure the top quark mass (mt) in ppbar collisions at a center of mass energy of 1.96 TeV using dilepton ttbar->W+bW-bbar->l+nubl-nubarbbar events, where l denotes an electron,…
Search for a fourth generation t' quark in ppbar collisions at sqrt{s}=1.96 TeV
D0 Collaboration, V. Abazov
We present a search for pair production of a fourth generation t' quark and its antiparticle, followed by their decays to a W boson and a jet, based on an integrated luminosity of…
Measurement of three-jet differential cross sections d sigma-3jet / d M-3jet in p anti-p collisions at sqrt(s)=1.96 TeV
D0 Collaboration, V. Abazov
We present the first measurement of the inclusive three-jet differential cross section as a function of the invariant mass of the three jets with the largest transverse momenta in…
Search for First Harmonic Modulation in the Right Ascension Distribution of Cosmic Rays Detected at the Pierre Auger Observatory
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +466
We present the results of searches for dipolar-type anisotropies in different energy ranges above eV with the surface detector array of the Pierre Auger Observa…
Search for W'->tb resonances with left- and right-handed couplings to fermions
D0 Collaboration, V. Abazov
We present a search for the production of a heavy gauge boson, W', that decays to third-generation quarks, by the D0 Collaboration in ppbar collisions at sqrt(s)= 1.96 TeV. We set…
Azimuthal decorrelations and multiple parton interactions in photon+2 jet and photon+3 jet events in ppbar collisions at sqrt{s}=1.96 TeV
D0 Collaboration, V. Abazov
Samples of inclusive photon+2 jet and photon+3 jet events collected by the D0 experiment with an integrated luminosity of about 1fb^-1 in ppbar collisions at sqrt{s}=1.96 TeV are u…
Advanced functionality for radio analysis in the Offline software framework of the Pierre Auger Observatory
The Pierre Auger Collaboration, P. Abreu, M. Aglietta +468
The advent of the Auger Engineering Radio Array (AERA) necessitates the development of a powerful framework for the analysis of radio measurements of cosmic ray air showers. As AER…
Search for the Standard Model Higgs Boson in the H -> WW -> lepton+neutrino+q'qbar Decay Channel
The D0 Collaboration, V. M. Abazov
We present a search for the standard model Higgs boson (H) in ppbar collisions at sqrt{s}=1.96 TeV in events containing a charged lepton (ell), missing transverse energy, and at le…