| 1. |
|
|
| 2. |
|
|
| 3. |
|
|
| 4. |
|
|
| 5. |
|
|
| 6. |
- ABREU, P, et al.
(författare)
-
B-ASTERISK PRODUCTION IN Z-DECAYS
- 1995
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. ; 68:3
-
Annan publikation (övrigt vetenskapligt/konstnärligt)
|
|
| 7. |
- 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
|
|
| 8. |
- 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
|
|
| 9. |
- 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
|
|
| 10. |
- Abreu, P, et al.
(författare)
-
Energy dependence of the differences between the quark and gluon jet fragmentation
- 1996
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 70:2, s. 179-195
-
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
|
|
| 11. |
|
|
| 12. |
- Abreu, P, et al.
(författare)
-
First measurement of f'(2)(1525) production in Z(0) hadronic decays
- 1996
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 379:1-4, s. 309-318
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The inclusive production of the f(2)'(1525) in hadronic Z(0) decays has been studied in data collected by the DELPHI detector at LEP. The Ring Imaging Cherenkov detectors were important tools in the identification of the decay f(2)'(1525) --> K+K-. The av
|
|
| 13. |
|
|
| 14. |
- 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
|
|
| 15. |
|
|
| 16. |
- ABREU, P, et al.
(författare)
-
J/PSI-PRODUCTION IN THE HADRONIC DECAYS OF THE Z
- 1994
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. ; 341:1, s. 109-122
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- J/psi mesons have been reconstructed from their decay to mu(+)mu(-) and e(+)e(-), using the data collected by the DELPHI experiment during 1991 and 1992 at the LEP collider. From about 1 million hadronic Z decays 153 +/- 17 J/psi were found, 5.4 +/- 2.3 p
|
|
| 17. |
- 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
|
|
| 18. |
|
|
| 19. |
- Abreu, P, et al.
(författare)
-
Mean lifetime of the B-s(0) meson
- 1996
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 71:1, s. 11-30
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- This paper presents an update of the measurement of the mean lifetime of the B-s(0) meson. Combining D-s - l, D-s - h, phi - l and inclusive D-s final states from the 3.2 million hadronic Z decays collected by DELPHI between 1991 and 1994, the B-s(0) mean
|
|
| 20. |
|
|
| 21. |
|
|
| 22. |
- 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
|
|
| 23. |
|
|
| 24. |
|
|
| 25. |
|
|
| 26. |
|
|
| 27. |
|
|
| 28. |
|
|
| 29. |
- Abreu, P, et al.
(författare)
-
Performance of the DELPHI detector
- 1996
-
Ingår i: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT. - : ELSEVIER SCIENCE BV. - 0168-9002. ; 378:1-2, s. 57-100
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- DELPHI (DEtector with Lepton, Photon and Hadron Identification) is a detector for e(+)e(-) physics, designed to provide high granularity over a 4 pi solid angle, allowing an effective particle identification, It has been operating at the LEP (Large Electr
|
|
| 30. |
|
|
| 31. |
|
|
| 32. |
|
|
| 33. |
|
|
| 34. |
- Abreu, P, et al.
(författare)
-
Search for exclusive decays of the Lambda(b) baryon and measurement of its mass
- 1996
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 374:4, s. 351-361
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- A search for fully reconstructed Lambda(b)(0) beauty baryons is performed using about 3 million Z decays collected with the DELPHI detector at LEP. The analysis relies on the combined use of the accurate tracking and of the hadron identification capabilit
|
|
| 35. |
|
|
| 36. |
|
|
| 37. |
|
|
| 38. |
- Abreu, P, et al.
(författare)
-
Search for new phenomena using single photon events at LEP1
- 1997
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 74:4, s. 577-586
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Data are presented on the reaction e(+)e(-) --> gamma + no other detected particle at centre-of-mass energies of 89.48, 91.26 and 93.08 GeV. The cross-section for this reaction is related directly to the number of light neutrino generations which couple t
|
|
| 39. |
|
|
| 40. |
- Abreu, P, et al.
(författare)
-
Search for the lightest chargino at root s=130 and 136 GeV
- 1996
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 382:3, s. 323-336
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- A search for pair production of the lightest chargino at root-s = 130.4 and 136.3 GeV has been carried out using the data sample corresponding to the 5.92 pb(-1) recorded by the DELPHI detector during the high energy run of LEP in the last period of 1995.
|
|
| 41. |
|
|
| 42. |
|
|
| 43. |
|
|
| 44. |
- 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
|
|
| 45. |
|
|
| 46. |
|
|
| 47. |
- Adam, W, et al.
(författare)
-
Measurement of inclusive pi(0) production in hadronic Z(0) decays
- 1996
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 69:4, s. 561-573
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- An analysis is presented of inclusive pi(0) production in Z(0) decays measured with the DELPHI detector, At low energies, pi(0) decays are reconstructed by using pairs of converted photons and combinations of converted photons and photons reconstructed in
|
|
| 48. |
- Adam, W, et al.
(författare)
-
Production of Sigma(0) and Omega(-) in Z decays
- 1996
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 70:3, s. 371-381
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Reconstructed ii baryon decays and photon conversions in DELPHI are used to measure the Sigma(0) production rate from hadronic Z(0) decays at LEP. The number of Sigma(0) decays per hadronic Z decay is found to be: > = 0.07
|
|
| 49. |
- Adam, W, et al.
(författare)
-
Search for anomalous production of single photons at root s=130 and 136 GeV
- 1996
-
Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 380:3-4, s. 471-479
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- This letter reports the results of the measurement of single photon production in the reaction e(+)e(-) --> gamma+ invisible particles at centre-of-mass energies root s = 130 and 136 GeV and an integrated luminosity of 5.83 pb(-1), collected with the DELP
|
|
| 50. |
- Adam, W, et al.
(författare)
-
Search for pair production of heavy objects in 4-jet events at root s=130-136 GeV
- 1996
-
Ingår i: ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS. - : SPRINGER VERLAG. - 0170-9739. ; 73:1, s. 1-9
-
Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Results are presented of a search for pair production of heavy objects decaying into four hadronic jets, as expected for example from associated or pair production of MSSM Higgs bosons, hA or H+H-, using a data sample of 5.9 pb(-1) of e(+)e(-) collisions
|
|
