165 research outputs found
Lifelong Learning for Inclusion - between Theory and Practice
In this study I present the conclusions of reports of the research teams which examined the policy range and analysed the activities regarding the inclusion of the socially deprived in rural areas, i.e. the British, Hungarian and Polish reports. When undertaking to find a reply to the question raised at the beginning of this article, I considered that the empirical basis would be quality material collected within the framework of focused group interviews 1. Although the focused group interviews were conducted according to a scenario which was prepared by the research teams, changes were possible in each country (although these changes did not affect the research issue). Apart from the main aim of the discussion, i.e. the diagnosis and analysis of both successes and failures of educational activity enabling social inclusion, these differences concerned the digressions concentrating on poverty and social exclusion in rural areas and problems connected with the implementation of inclusive policy - Hungary; considerations concerning the kind of help which should be provided to individuals and groups struggling with poverty in the countryside - Great Britain; methods evaluating the effectiveness of aid agencies acting in favour of social inclusion - Poland. Representatives of government agencies playing a key role in the introduction of various forms of inclusive policy and representatives of institutions which provide direct help to the marginalised and those exposed to social marginalisation (which use various educational methods) took part in the research
Suppression of Heavy Ion gamma gamma Production of the Higgs by Coulomb Dissociation
Predicted two-photon Higgs production with heavy ions at LHC is shown to be
reduced due to the large Coulomb dissociation cross section. Incorporating the
effect of dissociation reduces the production of a 100 GeV Higgs by about a
factor of three compared to rates in the literature calculated without this
effect.Comment: 5 pages, latex, revtex source, two postscript figure
Quark Mass Textures Within a Finite Non-Abelian Dicyclic Group
Using as a flavor symmetry a finite nonabelian dicyclic group, we
show how to derive quark mass matrices with two arrangements of symmetric
texture zeros which are phenomenologically viable. Three other such acceptable
textures in the recent literature are unattainable in this approach and hence
disfavored. We assume massive vector-like fermions and Higgs singlets
transforming as judiciously-chosen doublets and use the tree-level
mass generation mechanism of Froggatt and Nielsen.Comment: 11 pages latex including two figures. published version. New title.
Slight modificatio
Exclusive Production of Higgs Bosons in Hadron Colliders
We study the exclusive, double--diffractive production of the Standard Model
Higgs particle in hadronic collisions at LHC and FNAL (upgraded) energies. Such
a mechanism would provide an exceptionally clean signal for experimental
detection in which the usual penalty for triggering on the rare decays of the
Higgs could be avoided. In addition, because of the color singlet nature of the
hard interaction, factorization is expected to be preserved, allowing the
cross--section to be related to similar hard--diffractive events at HERA.
Starting from a Fock state expansion in perturbative QCD, we obtain an estimate
for the cross section in terms of the gluon structure functions squared of the
colliding hadrons. Unfortunately, our estimates yield a production rate well
below what is likely to be experimentally feasible.Comment: 17 pages, RevTeX file, four uufiled PostScript figures. UMPP #94-177.
(Revised version. Some mistakenly missing Feynman diagrams are now added.
Results do not change qualitatively. Paper reorganized.
Social innovations for social cohesion in Western Europe: success dimensions for lifelong learning and education
YesIn addressing the EU2020 goals, skills shortage combined with increasing unemployment rates is to be primarily tackled in Western Europe; the common factor here is education. Education and lifelong learning (LL) are the key strands governing employability in the European labour market. Overarching concepts capable of addressing social challenges within education and LL that contribute towards better practices are seen as social innovations (SI). While SI in education is well founded in the developing countries, Europe is still in the process of gaining progressive momentum in this direction. In addressing various societal challenges, this study looks at observable trends in SI for education across Western Europe. About 30 innovations have been recorded across 11 countries that are essentially focussed on: social integration, alternative/new forms of education, digital learning, new learning arrangements, new LL strategies, early career planning, youth employment, quality improvements and new education standards, transition management, and entrepreneurial education.European Unionâs Seventh Framework Programme for research, technological development and demonstration [grant number 612870]
High-E_T dijet photoproduction at HERA
The cross section for high-E_T dijet production in photoproduction has been
measured with the ZEUS detector at HERA using an integrated luminosity of 81.8
pb-1. The events were required to have a virtuality of the incoming photon,
Q^2, of less than 1 GeV^2 and a photon-proton centre-of-mass energy in the
range 142 < W < 293 GeV. Events were selected if at least two jets satisfied
the transverse-energy requirements of E_T(jet1) > 20 GeV and E_T(jet2) > 15 GeV
and pseudorapidity requirements of -1 < eta(jet1,2) < 3, with at least one of
the jets satisfying -1 < eta(jet) < 2.5. The measurements show sensitivity to
the parton distributions in the photon and proton and effects beyond
next-to-leading order in QCD. Hence these data can be used to constrain further
the parton densities in the proton and photon.Comment: 36 pages, 13 figures, 20 tables, including minor revisions from
referees. Accepted by Phys. Rev.
Measurement of (anti)deuteron and (anti)proton production in DIS at HERA
The first observation of (anti)deuterons in deep inelastic scattering at HERA
has been made with the ZEUS detector at a centre-of-mass energy of 300--318 GeV
using an integrated luminosity of 120 pb-1. The measurement was performed in
the central rapidity region for transverse momentum per unit of mass in the
range 0.3<p_T/M<0.7. The particle rates have been extracted and interpreted in
terms of the coalescence model. The (anti)deuteron production yield is smaller
than the (anti)proton yield by approximately three orders of magnitude,
consistent with the world measurements.Comment: 26 pages, 9 figures, 5 tables, submitted to Nucl. Phys.
Neutrino Oscillations from Discrete Non-Abelian Symmetries
I discuss a SUSY-GUT model with a non-Abelian discrete family symmetry that
explains the observed hierarchical pattern of quark and lepton masses. This
model predicts modified quadratic seesaw neutrino
masses and mixing angles which are interesting for three reasons: i.) they
offer a solution to the solar neutrino problem, ii.) the tau neutrino has the
right mass for a cosmologically interesting hot dark matter candidate, and
iii.) they suggest a positive result for the
oscillation searches by the CHORUS and NOMAD collaborations. However, the model
shares some problems with many other predictive GUT models of quark and lepton
masses. Well-known and once successful mass and angle relations, such as the
relation , are found to be in
conflict with the current experimental status. Attempts to correct these
relations seem to lead to rather contrived models.Comment: 16 pages, uses harvmac, epsf, tables, 4 figure
Scaled momentum distributions for K-S(0) and Î /Ì Î in DIS at HERA
Scaled momentum distributions for the strange hadrons K0S and Î/ÎÂŻ were measured in deep inelastic ep scattering with the ZEUS detector at HERA using an integrated luminosity of 330 pbâ1. The evolution of these distributions with the photon virtuality, Q 2, was studied in the kinematic region 10â<âQ 2â <â40000 GeV2 and 0.001â<âxâ<â0.75, where x is the Bjorken scaling variable. Clear scaling violations are observed. Predictions based on different approaches to fragmentation were compared to the measurements. Leading-logarithm parton-shower Monte Carlo calculations interfaced to the Lund string fragmentation model describe the data reasonably well in the whole range measured. Next-to-leading-order QCD calculations based on fragmentation functions, FFs, extracted from e + e â data alone, fail to describe the measurements. The calculations based on FFs extracted from a global analysis including e + e â, ep and pp data give an improved description. The measurements presented in this paper have the potential to further constrain the FFs of quarks, anti-quarks and gluons yielding K0S and Î/ÎÂŻ strange hadrons
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