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- ABREU, P, et al.
(författare)
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B-ASTERISK PRODUCTION IN Z-DECAYS
- 1995
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Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. ; 68:3
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Annan publikation (övrigt vetenskapligt/konstnärligt)
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- Abreu, P, et al.
(författare)
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Charged particle multiplicity in e(+)e(-) interactions at root s=130 GeV
- 1996
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 372:1-2, s. 172-180
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- From the data collected by DELPHI at LEP in autumn 1995, the multiplicity of charged particles at a hadronic energy of 130 GeV has been measured to be [n(ch)] = 23.84 +/- 0.51(stat) +/- 0.52(syst), When compared to lower energy data, the value measured is
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- Abreu, P, et al.
(författare)
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Determination of the average lifetime of b-baryons
- 1996
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Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 71:2, s. 199-210
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The average lifetime of b-baryons has been studied using 3 x 10(6) hadronic Z(0) decays collected by the DELPHI detector at LEP. Three methods have been used, based on the measurement of different observables: the proper decay time distribution of 206 ver
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- Abreu, P, et al.
(författare)
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Determination of vertical bar V-cb vertical bar from the semileptonic decay B-0->D*(-)l(+)nu
- 1996
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Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 71:4, s. 539-553
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Semileptonic decays B --> D*(-)l(+)nu X were selected from a sample of 3.1 million hadronic Z decays collected by the DELPHI detector at LEP. A topological search for semileptonic B decays to resonant and non-resonant D*(-)pi(+) states was performed and t
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- Abreu, P, et al.
(författare)
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Energy dependence of the differences between the quark and gluon jet fragmentation
- 1996
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Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 70:2, s. 179-195
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Three jet events arising from decays of the Z beson, collected by the DELPHI detector, were used to measure differences in quark and gluon fragmentation. Gluon jets were anti-tagged by identifying b quark jets. Unbiased quark jets came from events with tw
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