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211 Matching Results
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Observation of Quantized Circulation in Superfluid Helium.
None
Date:
January 1, 1966
Creator:
Whitmore, S.C.
System:
The UNT Digital Library
DECAY PROPERTIES OF THE E HYPERON AND E RESONANCES
A sample of 2500 {Xi}{sup -} and 500 {Xi}{sup 0} hyperons, produced in {Xi}K, {Xi}K{pi}, and {Xi}K{pi}{pi} final states by K{sup -} (in H{sub 2}) at incident momenta of 1.7 to 2.7 BeV/c, has been analyzed. The data are from an exposure (K-63) of 26 events/{mu}b in the 72-inch bubble chamber; approximately 85% of the {Xi}{sup -} events and 60% of the {Xi}{sup 0} events have been analyzed. For the {Xi}, they determine the spin and decay parameters a{sub {Xi}} and {Phi}{sub {Xi}} = tan{sup -1} ({beta}{sub {Xi}}/{Gamma}{sub {Xi}}). Combining their data with 900 {Xi}{sup -} and 150 {Xi}{sup 0} events from an earlier experiment (K-72), they obtain the following results: (1) {Xi} spin - J = 1/2 favored over J = 3/2 by {approx} 2.5 standard deviations; (2) {Xi} decay parameters (assuming a{sub {Lambda}} = 0.647 {+-} 0.048) - a{sub {Xi}{sup -}} = -0.398 {+-} 0.041, {Phi}{sub {Xi}{sup -}} = 9.8{sup o} {+-} 9.0{sup o}; a{sub {Xi}{sup 0}} = -0.413 {+-} 0.104. They observe {Xi}*(1530) and {Xi}*(1817); their data are insufficient for analysis of suggested {Xi}* resonances at 1705 and 1933 MeV. They measure the {Xi}*(1530) electromagnetic mass difference {Delta}m = m({Xi}*{sup -}) = m({Xi}*{sup 0}) = 2.0 {+-} …
Date:
September 10, 1966
Creator:
Merrill, Jr., Deane W.
System:
The UNT Digital Library
NUCLEAR SPECTROSCOPIC STUDIES OF SOME VERY HEAVY ODD-MASS NUCLIDES
The nuclear radiations of nuclides: U{sup 233}, Pu{sup 239}, Bk{sup 243}, Bk{sup 244}, Bk{sup 245}, Bk{sup 246}, Bk{sup 249}, Cf{sup 249}, and Fm{sup 255} were investigated with high-resolution spectrometers. The {alpha}-particle spectra of all nuclides except Bk{sup 249} were measured with 6 mm diameter surface-barrier detectors. Bk{sup 249} {alpha}-particles were analyzed with a double-focusing magnetic spectrograph. The {gamma}-singles were examined with the recently developed Ge(Li) and Si(Li) detectors coupled with very-low noise 'internal FET' preamplifiers. Weak alpha groups were observed in coincidence with {gamma}-rays, detected with a NaI(Tl) scintillation spectrometer. To improve the over-all coincidence efficiency a new coincidence apparatus was designed and built. This instrument consisted of a cooled 4.5 cm diameter semiconductor detector for {alpha}-particle detection and a 3 cm diameter by 2.7 cm long Ge(Li) detector for {gamma}-ray analysis. The Ge(Li) detector could also be replaced with a NaI(Tl) detector. Cf{sup 249} conversion electrons were measured with a cooled Si(Li) detector coupled with an internal FET preamplifier. On the basis of the present work and previous information, energy-level diagrams of the daughter nuclei have been constructed. The levels have been grouped into rotational bands built on Nilsson single-particle states. Because of identification of several rotational members of …
Date:
September 20, 1966
Creator:
Ahmad, Irshad
System:
The UNT Digital Library
RANDOM GENERATION OF SENTENCES FROM CONTEXT FREE AND CONTEXT SENSITIVE PHRASE STRUCTURE GRAMMARS. Report No. 215.
None
Date:
January 1, 1966
Creator:
Minow, M.
System:
The UNT Digital Library
Optical and Electron Paramagnetic Resonance Studies of Sodium Fluoride.
None
Date:
January 1, 1966
Creator:
Andrews, R. A.
System:
The UNT Digital Library
The Relationship between College Environmental Press and Freshman Attrition at Southern Methodist University
The general purpose of the study was to determine the relationship between college environmental press variables and the attrition characteristics of college freshmen at Southern Methodist University.
Date:
June 1966
Creator:
Conner, John Douglas, 1927-
System:
The UNT Digital Library
The Relationship between Aptitudes and Success in Vocational and Educational Pursuits
The problem of this study was to determine the relationships between aptitudes and vocational and educational success and between aptitudes and vocational proficiency.
Date:
August 1966
Creator:
Lewis, Harry Jackson, 1918-
System:
The UNT Digital Library
Mechanisms of Foliar Absorption in Higher Plants with Special Reference to Iron
None
Date:
January 1, 1966
Creator:
Kannan, Seshadri
System:
The UNT Digital Library
Surface Ionization of Cesium and Thermionic Emission From Planar Single Crystals of Tungsten
None
Date:
June 1, 1966
Creator:
Koenig, D. R.
System:
The UNT Digital Library
AN EXPERIMENTAL TEST OF THE LAW OF BARYON CONSERVATION
None
Date:
November 1, 1966
Creator:
Gurr, H S
System:
The UNT Digital Library
Deposition of atmospheric particulate matter by convective storms: the role of the convective updraft as an input mechanism
None
Date:
March 1, 1966
Creator:
Gatz, D.F.
System:
The UNT Digital Library
ELECTRON PARAMAGNETIC RESONANCE ABSORPTION STUDIES OF (Al$sub 2$O$sub 3$)/ sub 1-x/ (Cr$sub 2$O$sub 3$)/sub x/ WITH CONTROLLED NEUTRON TREATMENTS.
None
Date:
January 1, 1966
Creator:
Wenzel, R F.W.
System:
The UNT Digital Library
ERROR BOUNDS ON NUMERICAL SOLUTIONS OF DIRICHLET PROBLEMS FOR QUASILINEAR ELLIPTIC EQUATIONS.
None
Date:
January 1, 1966
Creator:
Frank, T. G.
System:
The UNT Digital Library
I. DENATURATION OF ENZYMES BY THE DIRECT ACTION OF IONIZING RADIATION. II. ENZYMICALLY ACTIVE COMPONENTS OF THE CRYSTALLINE CHYMOTRYPSINS.
None
Date:
January 1, 1966
Creator:
Henderson, L.E.
System:
The UNT Digital Library
Thermal Conductivity of Magnesia, Alumina, and Zirconia Powders in Air at Atmospheric Pressure From 200 Deg F to 1500 Deg F
None
Date:
April 1, 1966
Creator:
Godbee, H. W.
System:
The UNT Digital Library
STRANGE-PARTICLE PRODUCTION IN 8 BeV/c PROTON--PROTON INTERACTIONS.
None
Date:
January 1, 1966
Creator:
Firebaugh, M W
System:
The UNT Digital Library
ISOTOPIC THORIUM AND ISOTOPIC URANIUM COMPOSITIONS OF MODERN AND FOSSIL MARINE MOLLUSCAN SHELLS.
None
Date:
January 1, 1966
Creator:
Cheng, M.M.H.
System:
The UNT Digital Library
THE ROLE OF THE ADJOINT FLUX IN DETERMINING REACTOR STABILITY.
None
Date:
January 1, 1966
Creator:
Jason, R.H.
System:
The UNT Digital Library
THE $sup 233$U FISSION AND CAPTURE CROSS SECTIONS AND THEIR ANALYSIS AT LOW ENERGIES.
None
Date:
January 1, 1966
Creator:
Bergen, D. W.
System:
The UNT Digital Library
MEASUREMENT OF THE PROCESS K$sup -$ + P $Yields$ anti K$sup 0$ + N AT 8 GeV/ c. Technical Report No. 83.
None
Date:
January 1, 1966
Creator:
Buffington, A.
System:
The UNT Digital Library
Mixing of Fluids in Small-Diameter Tanks by Recirculation
None
Date:
April 11, 1966
Creator:
Harrell, J. E.
System:
The UNT Digital Library
APPLICATION OF THE BETHESALPETER EQUATION TO THE STATIC BOOTSTRAP MODEL
None
Date:
May 1, 1966
Creator:
Lin, K
System:
The UNT Digital Library
A Sequential Analysis of Problem Solving Using the Thought Listing Technique
This paper provides an analysis of human problem solving through exploration of the thought listing technique. Pat McGregor separates the paper into seven sections that investigate the definitions of problem solving and decision making in psychology, its applications, related literature, and methodological issues related to research.
Date:
1966~/1987~
Creator:
McGregor, Pat
System:
The UNT Digital Library
The Development and Use of the Bass Clarinet in the Symphony Orchestra
The purpose of this study is to trace the development of a comparatively young orchestral instrument, the bass clarinet, and its use in the symphony orchestra. The first chapter concerns the development of the bass clarinet from the earliest imperfect specimen to the modern day instrument. The second chapter discusses physical characteristics that are peculiar to the bass clarinet. The third chapter deals with the particular methods of using the bass clarinet in orchestral literature by various composers, from its introduction into the orchestra by Meyerbeer through the present.
Date:
August 1966
Creator:
Hearn, Dan Kent
System:
The UNT Digital Library