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Invariant Jet Mass Measurements in Collisions at GeV at RHIC
STAR Collaboration, M. S. Abdallah, J. Adam +377
We present the first inclusive measurements of the invariant and SoftDrop jet mass in proton-proton collisions at GeV at STAR. The measurements are fully corrected f…
Longitudinal double-spin asymmetry for inclusive jet and dijet production in collisions at GeV
STAR Collaboration, J. Adam, L. Adamczyk +343
We report the first measurement of the inclusive jet and the dijet longitudinal double-spin asymmetries, , at midrapidity in polarized collisions at a center-of-mass e…
Measurements of the transverse-momentum-dependent cross sections of production at mid-rapidity in proton+proton collisions at 510 and 500 GeV with the STAR detector
STAR Collaboration, J. Adam, L. Adamczyk +343
We present measurements of the differential cross sections of inclusive meson production as a function of transverse momentum () using the and $e^{+…
Observation of excess J/ yield at very low transverse momenta in Au+Au collisions at 200 GeV and U+U collisions at 193 GeV
STAR Collaboration
We report on the first measurements of J/ production at very low transverse momentum ( 0.2 GeV/c) in hadronic Au+Au collisions at 200 GeV and U+U…
Longitudinal Double-Spin Asymmetries for Dijet Production at Intermediate Pseudorapidity in Polarized Collisions at = 200 GeV
Ting Lin
One of the primary goals of the RHIC spin program is to determine the spin-dependent gluon distribution, , of the proton. The measurements of the 2009 longitudinal double-he…
Measurement of the longitudinal spin asymmetries for weak boson production in proton-proton collisions at = 510 GeV
STAR Collaboration, J. Adam, L. Adamczyk +345
We report new STAR measurements of the single-spin asymmetries for and bosons produced in polarized proton--proton collisions at = 510 GeV as a functio…
Transverse spin transfer to and hyperons in polarized proton-proton collisions at
STAR Collaboration, J. Adam, L. Adamczyk +345
The transverse spin transfer from polarized protons to and hyperons is expected to provide sensitivity to the transversity distribution of the nucleon and to the transv…
Improved measurement of the longitudinal spin transfer to and hyperons in polarized proton-proton collisions at = 200 GeV
J. Adam, L. Adamczyk, J. R. Adams +346
The longitudinal spin transfer to and hyperons produced in high-energy polarized proton--proton collisions is expected to be sensitive to the helicity distribu…
Longitudinal Double-Spin Asymmetries for s in the Forward Direction for 510 GeV Polarized Collisions
J. Adam, L. Adamczyk, J. R. Adams +340
The STAR Collaboration reports measurements of the longitudinal double-spin asymmetry, , for neutral pions produced at forward directions in polarized proton-proton collisi…
Low- pair production in AuAu collisions at = 200 GeV and UU collisions at = 193 GeV at STAR
J. Adam, L. Adamczyk, J. R. Adams +341
We report first measurements of pair production in the mass region 0.4 2.6 GeV/ at low transverse momentum ( 0.15 GeV/) in non-central Au…
Longitudinal Double-Spin Asymmetries for Dijet Production at Intermediate Pseudorapidity in Polarized Collisions at = 200 GeV
J. Adam, L. Adamczyk, J. R. Adams +340
We present the first measurements of the longitudinal double-spin asymmetry for dijets with at least one jet reconstructed within the pseudorapidity range .…
production cross section and its dependence on charged-particle multiplicity in collisions at = 200 GeV
STAR Collaboration, J. Adam, L. Adamczyk +341
We present a measurement of inclusive production at mid-rapidity () in collisions at a center-of-mass energy of = 200 GeV with the STAR experiment at…
Forward Neutral Pion Transverse Single Spin Asymmetries in p+p Collisions at \sqrt{s}=200 GeV
STAR Collaboration, B. I. Abelev
We report precision measurements of the Feynman-x dependence, and first measurements of the transverse momentum dependence, of transverse single spin asymmetries for the production…
Measurement of the e+e- -> W+W- cross section and W decay branching fractions at LEP
The OPAL collaboration
From a total data sample of 701.1 pb^-1 recorded with e+e- centre-of-mass energies of sqrt = 161-209 GeV with the OPAL detector at LEP, 11693 W-pair candidate events are selected.…
Bose-Einstein study of position-momentum correlations of charged pions in hadronic Z0 decays
The OPAL collaboration
A study of Bose-Einstein correlations in pairs of identically charged pions produced in e+e- annihilations at the Z0 peak has been performed for the first time assuming a non-stati…
Search for Invisibly Decaying Higgs Bosons with Large Decay Width Using the OPAL Detector at LEP
The OPAL collaboration
This paper describes a topological search for an invisibly decaying Higgs boson,H, produced via the Bjorken process (e+e- -> HZ). The analysis is based on data recorded using the O…
Searches for Gauge-Mediated Supersymmetry Breaking Topologies in e+e- collisions at LEP2
The OPAL Collaboration, G. Abbiendi
Searches were performed for topologies predicted by gauge-mediated Supersymmetry breaking models (GMSB). All possible lifetimes of the next-to-lightest SUSY particle (NLSP), either…
Flavour Independent hA Search and Two Higgs Doublet Model Interpretation of Neutral Higgs Boson Searches at LEP
The OPAL collaboration, G. Abbiendi
Upper limits on the cross-section of the pair-production process e+e- -> h0A0 assuming 100% decays into hadrons, are derived from a new search for the h0A0 -> hadrons topology, ind…
Measurement of the Strange Spectral Function in Hadronic tau Decays
The OPAL collaboration, G. Abbiendi
Tau lepton decays with open strangeness in the final state are measured with the OPAL detector at LEP to determine the strange hadronic spectral function of the tau lepton. The dec…
Cross Sections and Transverse Single-Spin Asymmetries in Forward Neutral-Pion Production from Proton Collisions at \sqrt{s} = 200 GeV
STAR Collaboration, J. Adams
Measurements of the production of forward high-energy pi0 mesons from transversely polarized proton collisions at \sqrt{s}=200 GeV are reported. The cross section is generally cons…
Measurement of charged current triple gauge boson couplings using W pairs at LEP
The OPAL collaboration, G. Abbiendi
Triple gauge boson couplings are measured from W-pair and single photon events recorded by the OPAL detector at LEP at center-of-mass energies between 183 - 209 GeV with a total in…
Tests of model of color reconnection and a search for glueballs using gluon jets with a rapidity gap
The OPAL collaboration, G. Abbiendi
Gluon jets with a mean energy of 22 GeV and purity of 95% are selected from hadronic Z0 decay events produced in e+e- annihilations. A subsample of these jets is identified which e…
Measurement of Isolated Prompt Photon Production in Photon-Photon Collisions at sqrt(s)_ee=183-209 GeV
The OPAL collaboration, G. Abbiendi
For the first time at LEP the production of prompt photons is studied in the collisions of quasi-real photons using the OPAL data taken at e+e- centre-of-mass energies between 183…
Search for pair-produced leptoquarks in e+e- interactions at sqrt(s) = 189 - 209 GeV
The OPAL collaboration, G. Abbiendi
A search for pair-produced leptoquarks is performed using e+e- collision events collected by the OPAL detector at LEP at centre-of-mass energies between 189 and 209 GeV. The data s…