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3,219 results on '"Giacomelli G"'

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201. Upper limit on theν τ mass fromτ → 3hν τ decays

202. QCD studies with e+e− annihilation data at 130 and 136 GeV

203. Search for a narrow resonance in Z0 decays into hadrons and isolated photons

204. A study of charm hadron production in $$Z^0 \to b\bar b$$ decays at LEPdecays at LEP

207. A study of B meson oscillations using dilepton events

208. A search for lepton flavour violating Z0 decays

209. Measurement of the leptonic branching ratios of the τ lepton

210. Measurement of the average b-baryon lifetime and the product branching ratio $$f(b \to \Lambda _b ) \cdot BR(\Lambda _b \to \Lambda \ell ^ - \bar vX)$$

211. Investigation of the string effect using final state photons

212. Inclusive charged particle cross sections in full phase space from proton proton interactions at ISR energies

213. A comparison of b and uds quark jets to gluon jets

214. Measurement of the τ−→h − h + h − v τ and τ−→h − h + h −≥1π0 v τ branching ratios

215. A study of QCD structure constants and a measurement of $$\alpha _s (M_{Z^0 } )$$ at LEP using event shape observables

216. A measurement of the forward-backward asymmetry of e+e−→bb by applying a jet charge algorithm to lifetime tagged events

217. Improved measurements of the B0 and B+ meson lifetimes

218. A measurement of the QCD colour factor ratiosC A /C F andT F /C F from angular correlations in four-jet events

219. The production of neutral kaons in Z0 decays and their Bose-Einstein correlations

220. Measurement of the longitudinal, transverse and asymmetry fragmentation functions at LEP

221. A model independent measurement of quark and gluon jet properties and differences

222. Search for heavy charged particles and for particles with anomalous charge in e+e− collisions at LEP

223. Magnetic Monopoles

224. Inclusive strange vector and tensor meson production in hadronic Z0 decays

225. A test ofCP-invariance in Z0→τ+τ− using optimal observables

226. Measurement of the hadronic decay current in τ−→π− − + v τ

227. Measurement of the tau lepton polarization and its forward-backward asymmetry from Z0 decays

228. A measurement of the production of D*± mesons on the Z0 resonance

229. Measurement of $$\Gamma (Z^0 \to b\bar b)/\Gamma (Z^0 \to hadrons)$$ using a double tagging method

230. Measurement of single photon production in e+e− collisions near the Z0 resonance

231. Observations of π-B charge-flavor correlations and resonant Bπ and BK production

232. A study of charm meson production in semileptonic B decays

233. Determination of event shape distributions and α s b from $$Z^0 \to b\bar b$$ events at LEP

234. Comparisons of the properties of final state photons in hadronic Z0 decays with predictions from matrix element calculations

235. A study of mean sub-jet multiplicities in two- and three-jet hadronicZ 0 decays

236. Measurement of $$\Gamma (Z^0 \to b\bar b)/\Gamma (Z^0 \to hadrons)$$ using impact parameters and leptons

237. Measurement of the photon structure functionF 2 γ in the reactione + e −→e + e −+hadrons at LEP

238. Measurement of the production rates of charged hadrons ine + e −-annihilation at theZ 0

239. Studies of charged particle multiplicity inb quark events

240. QCD studies using a cone-based jet finding algorithm fore + e − collisons at LEP

241. Improved measurements of the neutral current from hadron and lepton production at LEP

242. Search for neutral Higgs bosons in the minimal supersymmetric extension of the standard model

244. A study of muon pair production and evidence for tau pair production in photon-photon collisions at LEP

245. A measurement ofΓ (Z 0→b $$\Gamma ({\rm Z}^0 \to b\bar b)$$ /Γ(Z 0→hadrons) using an impact parameter technique

246. Measurement of $$\Gamma ({\rm Z}^0 \to b\bar b)/\Gamma ({\rm Z}^0 \to hadrons)$$ using leptons

247. A measurement of the forward-backward asymmetry of $$e^ + e^ - \to b\bar b$$ at centre of mass energies on and near theZ 0 peak usingD *± mesons

248. Studies of strong and electroweak interactions using final state photon emission in hadronicZ 0 decays

249. A study of differences between quark and gluon jets using vertex tagging of quark jets

250. A test of the flavour independence of the strong interaction for five flavours

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