نتایج جستجو برای: s mass production p
تعداد نتایج: 2718530 فیلتر نتایج به سال:
We present measurements of the transverse momentum spectra, yield and p T systematics for K 0 S , Λ and ¯ Λ in p + p collisions at √ s = 200 GeV. We show a dependence of the p T with event multiplicity and infer that this is consistent with a mini-jet dominated particle production mechanism. These observations are compared to available data from p + ¯ p experiments as well as to pQCD theoretica...
Recent results on the properties of the hadronic final state at the HERA collider are presented. Strangeness production and correlations have been studied in the laboratory system for deep inelastic scattering (DIS). Inclusive K0 S , Λ and Λ̄ production has been measured and compared to Monte Carlo model calculations. No significant Λ to Λ̄ production asymmetry was observed and the measured Λ(Λ̄) ...
Citation CDF Collaboration et al. " Measurement of the top pair production cross section in the dilepton decay channel in pp[over-bar] collisions at sqrt[s]=1.96 TeV. Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use. The MIT Faculty has made this article openly available. Please shar...
In this talk preliminary results of Higgs boson searches at LEP2 up to centre-of-mass energies of 183 GeV have been summarised. The main topics are searches for the Minimal Standard Model (MSM) Higgs boson and searches for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM). No indication for Higgs production has been found. The experiments have published their Higgs search...
Bemisia tabaci (whitefly) infestations and the subsequent transfer of viruses are the cause of severe losses in crop production and horticultural practice. To improve biological control of B. tabaci, we investigated repellent properties of plant-produced semiochemicals. The mix of headspace volatiles, collected from naturally repellent wild tomato accessions, influenced B. tabaci initial choice...
Preliminary and published results obtained by the DØ Collaboration on the top quark pair production cross-section in p ¯ p collisions at a center-of-mass energy of ¡ s ¢ 1£ 96 TeV are presented. The measurements are obtained using the lepton+jets final states with two methods : in the first one, signal is discriminated from background using event kinematics and in the other method signal events...
The production of Υ (1S), Υ (2S) and Υ (3S) mesons in proton-proton collisions at the centre-of-mass energy of √ s = 7 TeV is studied with the LHCb detector. The analysis is based on a data sample of 25 pb −1 collected at the Large Hadron Collider. The Υ mesons are reconstructed in the decay mode Υ → μ + μ − and the signal yields are extracted from a fit to the μ + μ − invariant mass distributi...
We perform a detailed study of the Earth matter effects on supernova neutrinos. The dependences of these effects on the properties of the original neutrino fluxes, on the trajectory of the neutrinos inside the Earth and on the oscillation parameters are described. We show that, for a large fraction (∼ 60%) of the possible arrival times of the signal, the neutrino flux crosses a substantial amou...
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