Now showing items 41-50 of 598
Recovery and purification of no-carrier-added [18F]fluoride with bistrimethylsilylsulfate (BTMSS)
(Elsevier, 1991)
No-carrier-added trimethylsilyl[18F]fluoride (TMS[18F]F) was rapidly liberated from a variety of dry supports containing unreactive [18F]fluoride by simply heating with neat bistrimethylsilylsulfate. The supports included ...
The performance of "Virtual Phase" CCDs as detectors of minimum-ionizing particles
(Elsevier, 1987-10-01)
The Texas Instruments "Virtual Phase" CCD has been the basis of an ambitious design for a precision vertex detector to be used at the Stanford Linear Collider. The performance of this chip shows promise for future use in ...
Photoluminescence studies of layered transition metal phosphorus chalcogenides and their pyridine intercalation compounds
(Elsevier, 1986-06)
Ultraviolet photoexcitation of Cd2P2S6 and Zn2P2S6 single crystals produces a characteristic photoluminescence between 2.5 and 1.5 eV. Mn2P2S6 exhibits only low energy emission due to transitions between localized d-orbital ...
The operation of a pressurized ultraviolet photoionization threshold cherenkov counter
(Elsevier, 1981-07-15)
We have successfully tested an ultraviolet photoionization Cherenkov counter in a 10 GeV/c pion beam. The counter has been tested to 11 atm pressure for use as a [pi]-K separator. The design and operation of the counter ...
Exact solution of the pairing problem in the LST scheme
(Elsevier, 1969-05-05)
Exact solutions for the pairing interaction problem in the LST scheme are formulated in terms of the matrix elements of pair creation and annihilation operators for pairs coupled to zero orbital angular momentum. General ...
Microcomputer control of radiochemical processes
(Elsevier, 1985-11)
A system for control of radiochemical processes has been designed and constructed. Control passes through a single 8-bit port (6522 VIA) to up to 64 on-off sensors and 64 on-off switches. The outputs are latched; they are ...
Implications of a Higgs interpretation of the [zeta](8.3)
(Elsevier, 1985)
We consider the implications if the new state seen by the Crystal Ball collaboration in radiative [Upsilon]-decay, the [zeta](8.3), is interpreted as a Higgs boson. We show that BR([zeta]-->gg)<0.06 or [zeta](8.3) ...
On the bare pomeron graph in two-dimensional QCD
(Elsevier, 1977-10-03)
We present a detailed study of the bare pomeron graph in two-dimensional QCD in the 1/Nc approximation. The absence of a new singularity unrelated to quark parameters is derived. The "cylinder" graph is shown to induce ...
Fractal exciton fusion: Simulations on long-range percolation clusters
(Elsevier, 1984-12)
Computer simulations of exciton fusion on percolating clusters were performed for interaction distances N=2, 3, and 4. The data yield slopes less than those expected from superuniversality (f=2/3) at interaction distances ...
Photobleaching with a subnanosecond laser flash
(Kluwer Academic Publishers-Plenum Publishers; Plenum Publishing Corporation ; Springer Science+Business Media, 1994-06)
In standard fluorescence recovery after photobleaching (FRAP) applications for measuring lateral diffusion rates and adsorption/desorption kinetics of fluorescent molecules at biological or model membranes, irreversible ...