SwePub - search: WFRF:(Augus )

Enumeration	Reference	Cover	Find
1.	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
2.	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(-)
3.	Abreu, P, et al. (author) Consistent measurements of alpha(s) from precise oriented event shape distributions 2000 In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER VERLAG. - 1434-6044. ; 14:4, s. 557-584 Journal article (peer-reviewed)abstract An updated analysis using about 1.5 million events recorded at root s = M-Z with the DELPHI detector in 1994 is presented. Eighteen infrared and collinear safe event shape observables are measured as a function of the polar angle of the thrust. axis. The
4.	Abreu, P, et al. (author) Determination of the e(+)e(-)->gamma gamma(gamma) cross-section at centre-of-mass energies ranging from 189 GeV to 202 GeV 2000 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 491:1-2, s. 67-80 Journal article (peer-reviewed)abstract A test of the QED process e(+)e(-) --> gamma gamma>() over bar (gamma) is reported. The data analysed were collected with the DELPHI detector in 1998 and 1999 at the highest energies achieved at LEP, reaching 202 GeV in the centre-of-mass. The total int
5.	Abreu, P, et al. (author) Determination of vertical bar V-ub vertical bar/vertical bar V-cb vertical bar with DELPHI at LEP 2000 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 478:1-3, s. 14-30 Journal article (peer-reviewed)abstract The ratio of the CKM quark-mixing matrix elements \V-ub\/\V-cb\ has been measured using B hadron semileptonic decays. The analysis uses the reconstructed mass M-X of the secondary hadronic system produced in association with an identified lepton. Since B
6.	Abreu, P, et al. (author) Energy dependence of event shapes and of alpha(s) at LEP 2 1999 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 456:2-4, s. 322-340 Journal article (other academic/artistic)abstract Infrared and collinear safe event shape distributions and their mean values are determined using the data taken at five different centre of mass energies above M-Z with the DELPHI detector at LEP. From the event shapes, the strong coupling alpha(s) is ext
7.	Abreu, P, et al. (author) Energy dependence of inclusive spectra in e(+)e(-) annihilation 1999 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 459:1-3, s. 397-411 Journal article (other academic/artistic)abstract Inclusive charged hadron distributions as obtained from the DELPHI measurements at 130, 136, 161, 172 and 183 GeV are presented as a function of the variables rapidity, xi(p), p and transversal momenta. Data are compared with event generators and with MLL
8.	Abreu, P, et al. (author) Hadronization properties of b quarks compared to light quarks in e(+)e(-)-> q(q)over-bar from 183 to 200 GeV 2000 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 479:1-3, s. 118-128 Journal article (peer-reviewed)abstract The DELPHI detector at LEP has collected 54 pb(-1) of data at a centre-of-mass energy around 183 GeV during 1997, 158 pb(-1) around 189 GeV during 1998, and 187 pb(-1) between 192 and 200 GeV during 1999. These data were used to measure the average charge
9.	Abreu, P, et al. (author) Identified charged particles in quark and gluon jets 2000 In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER-VERLAG. - 1434-6044. ; 17:2, s. 207-222 Journal article (peer-reviewed)abstract A sample of 2.2 million hadronic Z decays, selected from the data recorded by the DELPHI detector at LEP during 1994-1995 was used for an improved measurement of inclusive distributions of pi (+), K+ and p and their antiparticles in gluon and quark jets.
10.	Abreu, P, et al. (author) Measurement and interpretation of fermion-pair production at LEP energies of 183 and 189 GeV 2000 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 485:1-3, s. 45-61 Journal article (peer-reviewed)abstract An analysis of the data collected in 1997 and 1998 with the DELPHI detector at e(+)e(-) collision energies close to 183 and 189 GeV was performed in order to extract the hadronic and leptonic fermion-pair cross-sections, as well as the leptonic forward-ba
11.	Abreu, P, et al. (author) Measurement of the B-s(0) lifetime and study of B-s(0)-(B-s(0))over-bar oscillations using D(s)l events 2000 In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER-VERLAG. - 1434-6044. ; 16:4, s. 555-578 Journal article (peer-reviewed)abstract Lifetime and oscillations of B-s(0) mesons have been studied in events with a large transverse momentum lepton and a D-s of opposite electric charge in the same hemisphere, selected from about 3.6 million hadronic Z(0) decays accumulated by DELPHI between
12.	Abreu, P, et al. (author) Measurement of the gluon fragmentation function and a comparison of the scaling violation in gluon and quark jets 2000 In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER VERLAG. - 1434-6044. ; 13:4, s. 573-589 Journal article (peer-reviewed)abstract The fragmentation functions of quarks and gluons are measured in Various three-jet topologies in Z decays from the full data set collected with the DELPHI detector at the Z resonance between 1992 and 1995. The results at different values of transverse mom
13.	Abreu, P, et al. (author) Measurement of V-cb from the decay process (B)over-bar(0)-> D(+)l(-)(nu)over-bar 2001 In:* PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 510:1-4, s. 55-74 Journal article (peer-reviewed)abstract A new precise measurement of \V-cb\ and of the branching ratio BR(<(Bover bar>(0)--> D(+)l(-)<()over bar>(l)) has been performed using a sample of about 5000 semileptonic decays (B) over bar (0) --> D(+)l(-)<()over bar>(l), selected by the DELPH
14.	Abreu, P, et al. (author) Search for charged Higgs bosons at LEP 2 1999 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 460:3-4, s. 484-497 Journal article (other academic/artistic)abstract A search for pair produced charged Higgs bosons has been performed in the high energy data collected by DELPHI at LEP with root s = 161, 172 and 183 GeV. The analysis uses the tau nu tau nu, c (s) over bar tau nu and c<(sc)over bar>s final states and a co
15.	Abreu, P, et al. (author) Search for chargino pair production in scenarios with gravitino LSP and stau NLSP at root s similar to 183 GeV at LEP 1999 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 466:1, s. 61-70 Journal article (other academic/artistic)abstract Promptly decaying lightest charginos were searched for in the context of scenarios with gravitino LSP. It was assumed that the stau is the next to lightest supersymmetric particle (NLSP). Data collected with the DELPHI detector at a centre-of-mass energy
16.	Abreu, P, et al. (author) Search for charginos nearly mass-degenerate with the lightest neutralino 1999 In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER VERLAG. - 1434-6044. ; 11:1, s. 1-17 Journal article (other academic/artistic)abstract A search for charginos with masses close to the mass of the lightest neutralino is reported, based on the data collected with the DELPHI detector at LEP from 1995 to 1997 at centre-of-mass energies between 130 and 183 GeV. The signature of a photon at hig
17.	Abreu, P, et al. (author) Search for heavy stable and long-lived particles in e(+)e(-) collisions at root s=189 GeV 2000 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 478:1-3, s. 65-72 Journal article (peer-reviewed)abstract A search for stable and long-lived heavy charged particles was performed using the data taken by the DELPHI experiment at an energy of 189 GeV. The Cherenkov light detected in the Ring Imaging Cherenkov Detector and the ionisation loss measured in the Tim
18.	Abreu, P, et al. (author) Search for supersymmetric particles in scenarios with a gravitino LSP and stau NLSP 2000 In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER-VERLAG. - 1434-6044. ; 16:2, s. 211-228 Journal article (peer-reviewed)abstract Sleptons, neutralinos and charginos were searched for in the context of scenarios where the lightest supersymmetric particle is the gravitino. It was assumed that the stau is the next-to-lightest supersymmetric particle. Data collected with the DELPHI det
19.	Abreu, P, et al. (author) Search for SUSY with R-parity violating LL(E)over-bar couplings at root s=189 GeV 2000 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 487:1-2, s. 36-52 Journal article (peer-reviewed)abstract Searches for pair production of supersymmetric particles under the assumption that R-parity is not conserved are presented, based on data recorded by the DELPHI detector in 1998 from e(+)e(-) collisions at a centre-of-mass energy of 189 GeV. Only one R-pa
20.	Abreu, P, et al. (author) Searches for neutral Higgs bosons in e(+)e(-) collisions around root s=189 GeV 2000 In: EUROPEAN PHYSICAL JOURNAL C. - : SPRINGER-VERLAG. - 1434-6044. ; 17:2, s. 187-205 Journal article (peer-reviewed)abstract Searches for neutral Higgs bosons in the Standard Model and the MSSM have been performed using data collected by the DELPHI experiment at a centre-of-mass energy of 188.7 GeV, corresponding to an integrated luminosity of 158 pb(-1). These analyses are use
21.	Abreu, P, et al. (author) Study of the four-jet anomaly observed at LEP centre-of-mass energies of 130 and 136 GeV 1999 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 448:3-4, s. 311-319 Journal article (other academic/artistic)abstract The four-jet events collected by DELPHI during the special LEP run at centre-of-mass energies of 130 and 136 GeV in 1997 with an integrated luminosity of 5.9 pb(-1) are analysed. Their rate and the distributions of their di-jet masses, their smallest jet
22.	Abreu, P, et al. (author) W pair production cross-section and W branching fractions in e(+)e(-) interactions at 183 GeV 1999 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 456:2-4, s. 310-321 Journal article (other academic/artistic)abstract The cross-section for the process e(+)e(-) --> W+W- has been measured with the data sample collected by DELPHI at an average centre-of-mass energy of 182.65 GeV and corresponding to an integrated luminosity of 53 pb(-1). Based on the 770 events selected a
23.	Abreu, P, et al. (author) W pair production cross-section and W branching fractions in e(+)e(-) interactions at 189 GeV 2000 In: PHYSICS LETTERS B. - : ELSEVIER SCIENCE BV. - 0370-2693. ; 479:1-3, s. 89-100 Journal article (peer-reviewed)abstract The cross-section for the process e(+)e(-) --> W+ W- has been measured with the data sample collected by DELPHI at an average centre-of-mass energy of 189 GeV and corresponding to an integrated luminosity of 155 pb(-1). Based on the 2392 events selected a

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