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- Publications
- Influence
Classification of the hadronic decays of the Z0 into b and c quark pairs using a neural network
A classifier based on a feed-forward neural network has been used for separating a sample of about 123 500 selected hadronic decays of the Z0, collected by DELPHI during 1991, into three classes… Expand
Inclusive measurements of the K and p/ p production in hadronic Z 0 decays
- P. Abreu, W. Adam, +538 authors G. Zumerle
- Engineering
- 1995
This analysis, based on a sample of 170000 hadronic Z ° decays, provides a measurement of the K ± and p /~ differential cross sections which is compared to stringand cluster fragmentation models. The… Expand
- 1
Search for Higgs bosons using the Delphi detector
- P. Abreu, W. Kucewicz, +495 authors P. Jalocha
- Physics
- 1990
- 1
Production of charged particles, K S 0, K , p and ? in Z ? b b events and in the decay of b hadrons
- P. Abreu, W. Adam, +550 authors G. Zumerle
- Chemistry
- 1995
A sample of events enriched in b b quark pairs was selected in the data recorded by the DELPHI experiment at LEP during 1992 and 1993, by the presence of secondary decay vertices from short-lived… Expand
- 1
- PDF
Search for nonstandard Z0 decays in two particle final states
- P. Abreu, W. Kucewicz, +496 authors P. Jalocha
- Physics
- 1990
An Upper Limit for $Br(Z^0 \rightarrow ggg)$ from Symmetric 3-jet $Z^0$ Hadronic Decays
- P. Abreu, W. Adam, +549 authors G. Zumerle
- Mathematics, Physics
- 12 December 1996
An upper limit for BR(Z0 → 3g) is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle multiplicity… Expand
Study of prompt photon production in hadronicZ0 decays
- P. Abreu, W. Adam, +497 authors W. K. Doninck
- 1995
From a sample of 1.5 millionZ0→qq decays collected by the DELPHI detector during 1991, 1992 and 1993, the production cross section for isolated final state photons is measured and is compared with… Expand
Search for the lightest chargino at \Sqrt s = 130 and 136 GeV in DELPHI
- P. Abreu, W. Adam, +546 authors G. Zumerle
- Physics
- 1996
A search for pair production of the lightest chargino at p s = 130.4 and 136.3 GeV has been carried out using the data sample corresponding to the 5.92 pb 1 recorded by the DELPHI detector during the… Expand
- 2
- PDF
The forward muon detector of the DELPHI experiment at LEP
- J. Buytaert, L. D. Boeck, +19 authors C. Poiret
- Physics
- 15 December 1991
Abstract The layout and construction of the muon drift chambers equipping the end caps of the DELPHI detector are described. The performance of this forward muon detection system, determined from… Expand
Search for the lightest chargino at GeV
- P. Abreu, W. Adam, +547 authors G. Zumerle
- Physics
- 1 August 1996
A search for pair production of the lightest chargino at fi = 130.4 and 136.3 GeV has been carried out using the data sample corresponding to the 5.92 pb-’ recorded by the DELPHI detector during the… Expand