نتایج جستجو برای: goers
تعداد نتایج: 227 فیلتر نتایج به سال:
BACKGROUND The effect of seasons on health outcomes is a reflection on the status of public health and the state of development in a given society. Evidence shows that in Sub-Saharan Africa, most infectious diseases flourish during the wet months of the year; while human activities in a context of constrained choices in life exacerbate the effects of seasons on human health. The paper argues th...
A search for pentaquarks decaying to Ξπ (Ξπ) and corresponding antiparticles has been performed with the ZEUS detector at HERA. The data sample consists of deep inelastic ep scattering events at centre-of-mass energies of 300 and 318 GeV, and corresponds to 121 pb of integrated luminosity. A clear signal for Ξ(1530) → Ξπ was observed. However, no signal for any new baryonic state was observed a...
A search for single-top production, ep → etX, has been made with the ZEUS detector at HERA using an integrated luminosity of 130.1 pb. Events from both the leptonic and hadronic decay channels of the W boson resulting from the decay of the top quark were sought. For the leptonic mode, the search was made for events with isolated high-energy leptons and significant missing transverse momentum. F...
A search for physics beyond the Standard Model has been performed with highQ neutral current deep inelastic scattering events recorded with the ZEUS detector at HERA. Two data sets, ep → eX and ep → eX, with respective integrated luminosities of 112 pb and 16 pb, were analyzed. The data reach Q values as high as 40000GeV. No significant deviations from Standard Model predictions were observed. ...
The ZEUS inclusive differential cross-section data from HERA, for charged and neutral current processes taken with e and e beams, together with differential cross-section data on inclusive jet production in ep scattering and dijet production in γp scattering, have been used in a new NLO QCD analysis to extract the parton distribution functions of the proton. The input of jet-production data con...
A search for single-top production, ep → etX, has been made with the ZEUS detector at HERA using an integrated luminosity of 130.1 pb. Events from both the leptonic and hadronic decay channels of the W boson resulting from the decay of the top quark were sought. For the leptonic mode, the search was made for events with isolated high-energy leptons and significant missing transverse momentum. F...
A search for stop production in R-parity-violating supersymmetry has been performed in ep interactions with the ZEUS detector at HERA, using an integrated luminosity of 65 pb. At HERA, the R-parity-violating coupling λ allows resonant squark production, ed → q̃. Since the lowest-mass squark state in most supersymmetry models is the light stop, t̃, this search concentrated on production of t̃, foll...
The production of beauty quarks with a D and a muon in the final state has been measured with the ZEUS detector at HERA using an integrated luminosity of 114 pb. Low transverse-momentum thresholds for the muon and D meson allow a measurement of beauty production closer to the production threshold than previous measurements. The beauty signal was extracted using the charge correlations and angul...
In current sociological literature the relationship between social inequality and patterns of cultural taste and consumption is the subject of a large and complex debate. In this paper the primary aim is to examine, in the light of empirical results from a research project in which the authors are presently engaged, three main, and rival, positions that have been taken up in this debate, here l...
A search for events containing isolated tau leptons and large missing transverse momentum, not originating from the tau decay, has been performed with the ZEUS detector at the electron-proton collider HERA, using 130 pb of integrated luminosity. A search was made for isolated tracks coming from hadronic tau decays. Observables based on the internal jet structure were exploited to discriminate b...
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