| 1. |
- Abreau, P, et al.
(author)
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Photon events with missing energy at root s=183 to 189 GeV
- 2000
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In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER-VERLAG. - 1434-6044. ; 17:1, s. 53-65
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Journal article (peer-reviewed)abstract
- The production of single photons has been studied in the reaction e(+)e(-) --> gamma +invisible particles at centre-of-mass energies of 183 GeV and 189 GeV. A previously published analysis of events with multiphoton final states accompanied by missing ene
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| 2. |
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| 3. |
- Abreu, P, et al.
(author)
-
A measurement of the Tau topological branching ratios
- 2001
-
In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER-VERLAG. - 1434-6044. ; 20:4, s. 617-637
-
Journal article (peer-reviewed)abstract
- Using data collected in the DELPHI detector at LEP-1, measurements of the inclusive T branching ratios for decay modes containing one, three, or five charged particles have been performed, giving the following results: B-1 equivalent to B T- (particle)(-)
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| 4. |
- Abreu, P, et al.
(author)
-
A precise measurement of the partial decay width ratio R-b(0) = Gamma(b(b)over-bar)/Gamma(had)
- 1999
-
In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER VERLAG. - 1434-6044. ; 10:3, s. 415-442
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Journal article (other academic/artistic)abstract
- The partial decay width of the Z to b (b) over bar quark pairs has been measured by the DELPHI detector at LEP using data taken in the years 1992 to 1995. Decays of b-hadrons were tagged by several methods using tracks with large impact parameters and/or
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| 5. |
- Abreu, P, et al.
(author)
-
A precise measurement of the tau polarisation at LEP-1
- 2000
-
In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER VERLAG. - 1434-6044. ; 14:4, s. 585-611
-
Journal article (peer-reviewed)abstract
- The tau polarisation has been studied with the e(+)e(-) --> tau(+)tau(-) data collected by the DELPHI detector at LEP in 1993, 1994 and 1995 around the Z resonance firstly through the exclusive decay channels ev (v) over bar, mu v (v) over bar, pi v, rho
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| 6. |
- Abreu, P, et al.
(author)
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A search for eta '(c) production in photon-photon fusion at LEP
- 1998
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In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 441:1-4, s. 479-490
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Journal article (other academic/artistic)abstract
- A search for the production of the eta(c)' meson, the first radial excitation of the ground state of charmonium eta(c)(2980), in the photon-photon fusion reaction at LEP has been performed using the data collected by the DELPHI detector during 1992-1996.
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| 7. |
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| 8. |
- Abreu, P, et al.
(author)
-
A search for invisible Higgs bosons produced in e(+)e(-) interactions at LEP 2 energies
- 1999
-
In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 459:1-3, s. 367-381
-
Journal article (other academic/artistic)abstract
- Searches for HZ production with the Higgs boson decaying into an invisible final state have been performed with the data collected by the DELPHI experiment up to the centre-of-mass energy of 183 GeV. The hadronic and muon pair final states of the Z boson
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| 9. |
- Abreu, P, et al.
(author)
-
A study of the Lorentz structure in tau decays
- 2000
-
In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER-VERLAG. - 1434-6044. ; 16:2, s. 229-252
-
Journal article (peer-reviewed)abstract
- This paper describes a measurement of the Michel parameters, eta, rho, xi, xi delta, and the average v(tau) helicity, h(nu tau), in tau lepton decays together with the first measurement of the tensor coupling in the weak charged current. The tau(+)tau(-)
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| 10. |
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