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Measurement of inelastic J/ψ and ψ′ photoproduction at HERA
Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Arslan, O.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbaev, A. N.,Barbagli, Springer-Verlag 2013 Journal of high energy physics Vol.2013 No.2
Neuro-Fuzzy modeling of torsional strength of RC beams
A. Cevik,R. Saracoglu,M.H. Arslan 사단법인 한국계산역학회 2012 Computers and Concrete, An International Journal Vol.9 No.6
This paper presents Neuro-Fuzzy (NF) based empirical modelling of torsional strength of RC beams for the first time in literature. The proposed model is based on fuzzy rules. The experimental database used for NF modelling is collected from the literature consisting of 76 RC beam tests. The input variables in the developed rule based on NF model are cross-sectional area of beams, dimensions of closed stirrups, spacing of stirrups, cross-sectional area of one-leg of closed stirrup, yield strength of stirrup and longitudinal reinforcement, steel ratio of stirrups, steel ratio of longitudinal reinforcement and concrete compressive strength. According to the selected variables, the formulated NFs were trained by using 60 of the 76 sample beams. Then, the method was tested with the other 16 sample beams. The accuracy rates were found to be about 96% for total set. The performance of accuracy of proposed NF model is furthermore compared with existing design codes by using the same database and found to be by far more accurate. The use of NF provided an alternative way for estimating the torsional strength of RC beams. The outcomes of this study are quite satisfactory which may serve NF approach to be widely used in further applications in the field of reinforced concrete structures.
Measurement of isolated photons accompanied by jets in deep inelastic ep scattering
ZEUS Collaboration,Abramowicz, H.,Abt, I.,Adamczyk, L.,Adamus, M.,Aggarwal, R.,Antonelli, S.,Antonioli, P.,Antonov, A.,Arneodo, M.,Arslan, O.,Aushev, V.,Aushev, Y.,Bachynska, O.,Bamberger, A.,Barakbae North-Holland Pub. Co 2012 Physics letters: B Vol.715 No.1
The production of isolated high-energy photons accompanied by jets has been measured in deep inelastic ep scattering with the ZEUS detector at HERA, using an integrated luminosity of 326 pb<SUP>-1</SUP>. Measurements were made for exchanged photon virtualities, Q<SUP>2</SUP>, in the range 10 to 350 GeV<SUP>2</SUP>. The photons were measured in the transverse-energy and pseudorapidity ranges 4<E<SUB>T</SUB><SUP>γ</SUP><15 GeV and -0.7<η<SUP>γ</SUP><0.9, and the jets were measured in the transverse-energy and pseudorapidity ranges 2.5<E<SUB>T</SUB><SUP>jet</SUP><35 GeV and -1.5<η<SUP>jet</SUP><1.8. Differential cross sections are presented as functions of these quantities. Perturbative QCD predictions give a reasonable description of the shape of the measured cross sections over most of the kinematic range, but the absolute normalisation is typically in disagreement by 20-30%.