Now showing items 31-40 of 102
Some tests for whether a narrow neutral resonance can be a Higgs particle
(Elsevier, 1984-02-02)
We consider under what conditions any narrow neutral resonance, particularly the recently reported state [xi](2.2), could be a Higgs particle, either a fundamental boson or a composite technicolor state. A number of tests ...
CT of unusual mediastinal vascular abnormalities
(Elsevier, 1984)
The previously unreported CT findings of supracardiac anomalous pulmonary venous return and Takayasu arteritis are presented. CT demonstration of a left vertical vein and an enlarged superior vena cava strongly suggests a ...
Charm quark production and fragmentation in e+e- annihilation at 29 GeV
(Elsevier, 1984-10-11)
The electroweak production asymmetry and the decay fragmentation function for have been measured at using charged D* production over the full kinematic range. The data were taken at PEP using the High Resolution Spectrometer. ...
Search for heavy neutral leptons in e+e- annihilations at 29 GeV
(Elsevier, 1984-12-27)
A search was made in 29 GeV e+e- annihilations for heavy, neutral leptons decaying to e+/-X[mnplus]([nu]), where X is a muon or charged meson. Six events with isolated e+/-X[mnplus] pairs were found for an intergrated ...
Asymptotic coefficients of hermite function series
(Elsevier, 1984-06)
By using complex variable methods (steepest descent and residues) to asymptotically evaluate the coefficient integrals, the numerical analysis of Hermite function series is discussed. There are striking similarities and ...
Single random walker on disordered lattices
(Kluwer Academic Publishers-Plenum Publishers; Plenum Publishing Corporation ; Springer Science+Business Media, 1984-09)
Random walks on square lattice percolating clusters were followed for up to 2×105 steps. The mean number of distinct sites visited 〈 (S N ⊃> gives a spectral dimension of d s = 1.30±0.03 consistent with superuniversality ...
Momentum-space Monte Carlo
(Elsevier, 1984-12-27)
Using the quenched, reduced form of large-N field theories, we show that it is possible to directly measure momentum-space Green functions, via Monte Carlo, without going through the intermediate step of measurement in ...
Gauge and matter fields coupled to N = 2 supergravity
(Elsevier, 1984-01-05)
We consider the potential of a general matter system of N = 2 vector and scalar multiplets coupled to supergravity. For lagrangians that are initially quadratic in the matter fields we prove that the potential is either ...
Application of coded apertures in tomographic head scanning
(Elsevier, 1984-03-15)
A circular ring tomograph, designated SPRINT, is under development for single photon emission tomography of the human head. Most data to date have been gathered using a single rotating slit inside the detector ring to ...