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111 research data, page 1 of 12

Measurement of the spectral functions of vector current hadronic tau decays

CERN-LEP. A measurement of the spectral functions of non-strange $\tau$ vector current final states is presented, using 124358 $\tau$ pairs recorded by the ALEPH detector at LEP during the years 1991 to 1994. The spectral functions of the dominant two- and four-pion $\tau$ decay channels are compared to published results of $e^+e^-$ annihilation experiments via isospin rotation. A combined fit of the pion form factor from $\tau$ decays and $e^+e^-$ data is performed using different parame...

Solution to the Ecological Inference Problem: Reconstructing Individual Behavior from Aggregate Data

King, Gary (1997)
Publisher: ICPSR - Interuniversity Consortium for Political and Social Research
These data make it possible to replicate all numerical results in Gary King (1997), A SOLUTION TO THE ECOLOGICAL INFERENCE PROBLEM: RECONSTRUCTING INDIVIDUAL BEHAVIOR FROM AGGREGATE DATA. Princeton, NJ: Princeton University Press.

Syntheses, X-ray Crystal Structures, and Spectroscopic Properties of New Nickel Dithiolenes and Related Compounds

The direct addition of nickel powder to the reaction mixtures of 1,3-dialkyl-4,5-dioxoimidazolidine-2-thione (1) with the thionation Lawesson reagent produces [NiII(R2timdt-)2] (R2timdt = 1,3-dialkylmidazolidine-2,4,5-trithione). These complexes belong to a new class of nickel−dithiolenes, showing remarkably high absorption (ε ≈ 80 000 dm3 mol-1 cm-1, λ ≈ 1000 nm) in the near-infrared region (near-IR), accompanied by high photochemical stability that makes ...

Family Expenditure Survey, 1995-1996

Central Statistical Office (1997)
Publisher: Colchester, Essex: UK Data Archive

Aging of Veterans of the Union Army: Military, Pension, and Medical Records, 1820-1940

Fogel, Robert W. (1997)
Publisher: ICPSR - Interuniversity Consortium for Political and Social Research
This data collection constitutes a portion of the historical data collected by the project "Early Indicators of Later Work Levels, Disease, and Death." With the goal of constructing datasets suitable for longitudinal analyses of factors affecting the aging process, the project is collecting military, medical, and socioeconomical data on a sample of white males mustered into the Union Army during the Civil War. The project seeks to examine the influence of environmental and host factors prior ...

Indifference to Hydrogen Bonding in a Family of Secondary Amides

N−H stretch region IR spectroscopy has been used to probe the hydrogen bond-donating properties of six structurally related secondary amides in which the amide group is flanked by sterically bulky groups. For three of the compounds, solid state IR analysis reveals N−H stretch bands >3400 cm-1, which suggests the absence of intermolecular N−H--OC hydrogen bonds. Crystallographic data for these three amides confirm the absence of a standard N−H--OC interaction. For ...

Risk assessment in the Netherlands

Beroggi, Giampiero E. G.; Abbas, Tanja C.; Stoop, John A.; Aebi, Markus (1997)
Publisher: Universität Stuttgart
Embargo end date: 2016/03/31
The Dutch approach to risk assessment is defined in the National Plan for Environmental Protection Policy (NMP) of 1988. The goal is the present and future protection of humans, animals, plants, the ecosystem, and property through measures designed to provide for a sustainable development. The safety goals are defined in "Premises for Risk Management," an annex to the NMP, in 1989. Safety goals are determined with quantitative values. Maximum permitted risks are differentiated from negligible...

QCD studies with e+ e- annihilation data at 161-GeV

CERN-LEP. Measurement of hadron and event shape distributions in e+ e- interactions at centre-of -mass energies of 161 GeV. Fits to the data give alpha_s (161 Gev) to be 0.101 +- 0.005 (DSYS=0.007), and the position of the peak in the ln(l/x) distribution to be 4.00 +- 0.03 (DSYS=0.02).