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403 results on '"Hansroul, M."'

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1. Upgraded DIRAC spectrometer at CERN PS for the investigation of ππ and πK atoms

2. Investigation of <math><msup><mi>K</mi><mo>+</mo></msup><msup><mi>K</mi><mo>−</mo></msup></math> pairs in the effective mass region near <math><mn>2</mn><msub><mi>m</mi><mi>K</mi></msub></math>

3. Determination of the production rate of D*0 mesons and of the ratio V/(V+P) in \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document} $$Z^0 \to c\bar c$$ \end{document} decays

4. A search for neutral Higgs bosons in the MSSM and models with two scalar field doublets

5. Search for unstable heavy and excited leptons in e+e− collisions at ∝s = 170-172 GeV

6. Search for a massive Di-photon resonance at ∝s = 91 – 172 GeV

7. Multi-photon final states in e+e− collisions at ∝s =130-172 GeV

8. Σ+, Σ0 and Σ− hyperon production in hadronic Z0 decays

9. A precise measurement of the tau polarization and its forward-backward asymmetry at LEP

10. Multiplicity dependence of Bose-Einstein correlations in hadronic Z0 decays

11. A measurement of the Bd0 oscillation frequency using leptons and D*± mesons

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

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

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

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

16. A study of B meson oscillations using dilepton events

17. A search for lepton flavour violating Z0 decays

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

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

20. Investigation of the string effect using final state photons

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

45. Studies of charged particle multiplicity inb quark events

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

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

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

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

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

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