| 1. |
- Abreu, P, et al.
(författare)
-
First study of the interference between initial and final state radiation at the Z resonance
- 1996
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 72:1, s. 31-38
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The interference between initial and final state radiation in the process e(+)e(-) --> mu(+)mu(-) at root s approximate to M(Z) has been studied by measuring the forward-backward asymmetry as a function of the acoplanarity angle between the final state mu
|
|
| 2. |
- Abreu, P, et al.
(författare)
-
Kaon interference in the hadronic decays of the Z(0)
- 1996
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 379:1-4, s. 330-340
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The first measurement of like-sign charged kaon correlations in hadronic decays of the Z(0) is presented, based on data collected by the DELPHI detector. The charged kaons are identified by means of ring imaging Cherenkov detectors. A significant enhancem
|
|
| 3. |
- Abreu, P, et al.
(författare)
-
Measurement of inclusive K*(0)(892), phi(1020) and K-2*(0)(1430) production in hadronic Z decays
- 1996
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 73:1, s. 61-72
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The inclusive production of the neutral vector mesons K-*0(892) and phi(1020), and of the tensor meson K-2(*0)(1430), in hadronic decays of the Z has been mea sured by the DELPHI detector at LEP. The average production rates per hadronic Z decay have been
|
|
| 4. |
- Abreu, P, et al.
(författare)
-
Updated precision measurement of the average lifetime of B hadrons
- 1996
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 377:1-3, s. 195-204
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The measurement of the average lifetime of B hadrons using inclusively reconstructed secondary vertices has been updated using both an improved processing of previous data and additional statistics from new data. This has reduced the statistical and syste
|
|
| 5. |
- Abreu, P, et al.
(författare)
-
A precise measurement of the B-d(0) meson lifetime using a new technique
- 1997
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 74:1, s. 19-32
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- From data recorded by DELPHI between 1991 and 1994, which corresponds to 3.2 million hadronic Z(0) decays, a measurement of the <(B-d(0))over bar> meson lifetime, based on the inclusive reconstruction of 3520 +/- 150 semileptonic decays of the type <(B-d(
|
|
| 6. |
- Abreu, P, et al.
(författare)
-
A study of the hadronic resonance structure in the decay tau -> 3 pi nu(tau)
- 1998
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 426:3-4, s. 411-427
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The hadronic structure of the decay of the tau lepton to three charged particles, tau --> 3 pi nu(tau), is studied using data collected by the DELPHI detector at LEP between 1992 and 1995. The invariant mass of the 3 pi system, m(3 pi), is fitted using th
|
|
| 7. |
- Abreu, P, et al.
(författare)
-
An upper limit for Br(Z(0)->ggg) from symmetric 3-jet Z(0) hadronic decays
- 1996
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 389:2, s. 405-415
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- An upper limit for BR(Z(0) --> 3g) is obtained from a correlation method, which distinguishes statistically between quark and gluon jets by using the difference in their charged particle multiplicity distributions. From the sample of threefold symmetric t
|
|
| 8. |
- Abreu, P, et al.
(författare)
-
Charged particle multiplicity in e(+)e(-) interactions at root s=130 GeV
- 1996
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 372:1-2, s. 172-180
-
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
|
|
| 9. |
- Abreu, P, et al.
(författare)
-
Determination of the average lifetime of b-baryons
- 1996
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 71:2, s. 199-210
-
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
|
|
| 10. |
- Abreu, P, et al.
(författare)
-
Determination of vertical bar V-cb vertical bar from the semileptonic decay B-0->D*(-)l(+)nu
- 1996
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 71:4, s. 539-553
-
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
|
|
