Dijet Production in Photon-Photon Collisions at sqrt(s)_ee=161 and 172 GeV
Dijet production is studied in collisions of quasi-real photons radiated by the LEP beams at e+e- centre-of-mass energies sqrt(s)_ee=161 and
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Search for Single Leptoquark Production in Electron-Photon Scattering at 161 and 172 GeV
A search for a first generation scalar leptoquark (LQ) has been performed using the data collected by the OPAL detector
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Protoplanetary Disks in the Orion Nebula: An H$α$ Fabry-Perot study and Astrobiological Aspects
In this paper, we present a briefly overview of the protoplanetary disks in the Orion Nebula, incluiding some astrobiological aspects
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A Review of the Supersymmetry Searches at LEP
The searches for supersymmetric particles by the four LEP experiments, ALEPH, DELPHI, L3, OPAL, have been made for many different
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Final performances of the X-ray Mirrors of the JET-X telescope
The Joint European Telesscope (JET-X) is one of the core scientific instruments of the SPECTRUM-X-Gamma mission. JET-X was designed to
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Four-fermion final states in e+e- collisions at LEP2
The measurements of four-fermion production rates performed at LEP2 in e+e- collisions at centre-of-mass energies ranging from 161 to 209
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Measurement of gauge boson couplings and W spin density matrix
During the LEP2 period the e+e- collider increased its center of mass energy from 161 GeV to 209 GeV and
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Measurement of the W Mass at LEP2
The mass of the W boson has been measured by the LEP collaborations from the data recorded during the LEP2
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Measurement of the W Mass from LEP2
In 1997 each LEP experiment collected approximately $55 {pb}^{-1}$ of data at a center-of-mass energy of 183 GeV. These data
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New Physics at LEP2
Searches for new physics in the first year of running of LEP2, at energies of 161 and 172 GeV, are
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Old models for Cygnus X-1 and AGN
Recently, there appeared many papers devoted to the modeling of X-ray properties of Cygnus X-1 and other black hole accretion
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Phenomenology of ``inos'' in the Light Gaugino Scenario and Possible Evidence for a $\sim 53$ GeV Chargino
The tree-level-massless gaugino scenario predicts that the lighter chargino mass is less than m_W and that gluino and lightest neutralino
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Physics Backgrounds to Supersymmetric Signals with Two Photons and Missing Mass at LEP
We calculate the event rates for the Standard Model production of two photons plus missing mass through the process electron
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Precision tests of the Standard Model from Z physics
The measurements performed at LEP and SLC have substantially improved the precision of the test of the Minimal Standard Model.
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The distance to the nearest star-forming clouds: MBM12 and MBM20
We present high-resolution spectra (R ~ 49,000) of stars that have parallax measurements from the Hipparcos satellite and are projected
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The Optical Gravitational Lensing Experiment. The Catalog of Periodic Variable Stars in the Galactic Bulge. V. Periodic Variables in Fields: MM5-A, MM5-B, MM7-A and MM7-B
We present the fifth part of the OGLE Catalog of Periodic Variable Stars in the Galactic bulge. 574 variable stars:
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W mass measurement at LEP
In 1998, the four experiments of LEP, i.e. ALEPH, DELPHI, L3 and OPAL, collected data of about 175 /pb per
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W-pair production at LEP
We review here the measurements of W-pair production and W decay rates performed by the four LEP experiments at ECM
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W Physics at LEP
In five years of operation (1996-2000) the four LEP2 experiments collected roughly 3 fb-1 of data from e+e- collisions at
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