| 1. |
- Abreu, P, et al.
(författare)
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Measurement and interpretation of the W-pair cross-section in e(+)e(-) interactions at 161 GeV
- 1997
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 397:1-2, s. 158-170
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In 1996 LEP ran at a centre-of-mass energy of 161 GeV, just above the threshold of W-pair production. DELPHI accumulated data corresponding to an integrated luminosity of 9.93 pb(-1), and observed 29 events that are considered as candidates for W-pair pro
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| 2. |
- Abreu, P, et al.
(författare)
-
Measurement of the e(+)e(-)->gamma gamma(gamma) cross section at the LEP energies
- 1998
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 433:3-4, s. 429-440
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The total and the differential cross-sections for the reaction e(+)e(-) --> gamma gamma(gamma) have been measured with the DELPHI detector at LEP at centre-of-mass energies from 130 to 183 GeV for an integrated luminosity of 78.19 pb(-1). The results agre
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| 3. |
- Abreu, P, et al.
(författare)
-
Measurement of the inclusive charmless and double-charm B branching ratios
- 1998
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 426:1-2, s. 193-206
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The DELPHI experiment at LEP has measured the inclusive charmless B hadron decay branching ratio, the B branching ratio into two charmed particles, and the total number of charmed particles per B decay, using the hadronic Z data taken between 1992 and 199
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| 4. |
- Abreu, P, et al.
(författare)
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Measurement of the transverse spin correlation in Z->tau(+)tau(-) decays
- 1997
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 404:1-2, s. 194-206
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The measurement of the correlation between the transverse spin components of tau(+)tau(-) pairs collected during 1992 to 1994 with the DELPHI detector at LEP1 is presented. A value C-TT = 0.87 +/- 0.20 (stat.)(-0.12)(+0.10) (syst.) was obtained for the co
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| 5. |
- Abreu, P, et al.
(författare)
-
Measurement of the triple gluon vertex from double quark tagged 4-jet events
- 1997
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 414:3-4, s. 401-418
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- The 4-jet events collected by the DELPHI experiment at LEP1 in 1992, 1993 and 1994 are analysed to determine the contribution of the triple-gluon vertex. Two of the four jets are tagged as jets from b- or c-quarks using lifetime and lepton transverse mome
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| 6. |
- Abreu, P, et al.
(författare)
-
Measurement of trilinear gauge couplings in e(+)e(-) collisions at 161 GeV and 172 GeV
- 1998
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 423:1-2, s. 194-206
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Trilinear gauge boson couplings are measured using data taken by DELPHI at 161 GeV and 172 GeV, Values for WWV couplings (V = Z,gamma) are determined from a study of the reactions e(+)e(-) --> W+W- and e(+)e(-) --> We nu, using differential distributions
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| 7. |
- Abreu, P, et al.
(författare)
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Rapidity correlations in Lambda baryon and proton production in hadronic Z(0) decays
- 1998
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 416:1-2, s. 247-256
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- In an analysis of multihadronic events recorded at LEP by DELPHI in the years 1992 through 1994, rapidity correlations of Lambda-Lambda, proton-proton, and Lambda-proton pairs are compared with each other and with the predictions of the string fragmentati
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| 8. |
- Abreu, P, et al.
(författare)
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Search for charged Higgs bosons in e(+)e(-) collisions at root s = 172 GeV
- 1998
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 420:1-2, s. 140-156
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- This paper presents results on charged Higgs boson production, based on LEP data collected at root s = 172 GeV, that complement the previous DELPHI results obtained at centre of mass energies up to 161 GeV. The charged Higgs bosons are assumed to be pair
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| 9. |
- Abreu, P, et al.
(författare)
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Search for charginos, neutralinos and gravitinos at LEP
- 1998
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Ingår i: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER VERLAG. - 1434-6044. ; 1:1-2, s. 1-20
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- An update of the searches for charginos and neutralinos in DELPHI is presented, based mainly on recent data collected at centre-of-mass energies of 161 GeV and 172 GeV. No signal is found. For a sneutrino with mass above 300 GeV/c(2) and a mass difference
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| 10. |
- Adam, W, et al.
(författare)
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Search for B-s(0)-(B-s(0))over-bar oscillations
- 1997
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Ingår i: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 414:3-4, s. 382-400
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)abstract
- Oscillations of B(s)(0)mesons were studied in events with a large transverse momentum lepton selected from 3.2 million hadronic Z(0) decays registered by DELPHI between 1991 and 1994. A limit on the mass difference between the physical B-s(0) states Delta
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