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A Needle in a Haystack

Description: Abstract: "Production of [rho]'s and [omega]'s in [pi]- + p and p + [letter p with a bar over it] interactions is discussed. The [rho] is presumably a J = 1-, 1 = 1 state and thus can decay into 2[pi]'s via a strong coupling. The [omega] is probably J = 1-, 1 = 0 which can also decay into 2[pi]'s via electromagnetic coupling. A theoretical description of this situation is presented in terms of coupled time-dependent Schroedinger equations which mix [rho] and [omega] states that are assumed to b… more
Date: May 25, 1962
Creator: Bernstein, J. & Feinberg, Gerald, 1933-1992
Partner: UNT Libraries Government Documents Department
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Neutron Streaming Through Boundaries in a Mock-Up of the SIR Rotating Plug

Description: This report is a summary of the neutron attenuation data which have been obtained at the Brookhaven shielding facility on a mock-up of the fuel-rod-unloading plug used in the KAPL Reactor. Before this program was initiated, a number of small scale tests had been made in the ORNL lid tank on carbon steel mock-ups of components of the rotating plug. The results of the tests indicated considerable neutron streaming through the vertical steel and air members of the plug. However, the lid tank sourc… more
Date: March 25, 1953
Creator: Kouts, Herbert, J. C.; Pratt, William, W.; Schamberger, Robert, D.; Shore, Ferdinand, J.; Sleeper, Harvey, P., Jr. & Susskind, Herbert
Partner: UNT Libraries Government Documents Department
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Memorandum

Description: We have recently completed measurement of resonance escape probability in the BNL reactor and in several slightly-enriched uranium light water moderated lattices. In addition, WAPD has made available to us data from other slightly enriched uranium-water lattices, so that about 18 lattices in all have been done.
Date: June 25, 1956
Creator: Sher, R.
Partner: UNT Libraries Government Documents Department
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A Re-Analysis of Short-Range Order in Cu3Au

Description: Cowley's measurements of the short-range order parameters, αi, in Cu3Au at T=405°C have been re-evaluated taking into account the effects of thermal vibrations and static displacements due to differing atomic sizes. The separate corrections for the thermal vibrations and the first-neighbor atomic size factor are found to be quite large, demonstrating their importance in the usual experiments. When combined, the corrections in this case largely cancel, and only the values of α1 and α3 are apprec… more
Date: February 25, 1963
Creator: Walker, C. B. & Keating, D. T.
Partner: UNT Libraries Government Documents Department
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An Isochronal Differential Microcalorimeter

Description: An isochronal differential-type microcalorimeter has been designed and constructed. As a result of its simple design it is very easy to handle the samples and assemble the calorimeter. Important to the operation of the calorimeter is a program, also working on the differential principle, that provides linear temperature rise of the samples. This calorimeter is used to measure very small energy releases such as those found in precipitation, stored energy, etc. It is demonstrated that the calorim… more
Date: February 25, 1963
Creator: Arndt, R. A. & Fujita, F. E.
Partner: UNT Libraries Government Documents Department
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The Deflecting Mode in the Circular Iris-Loaded Waveguide of a RF Particle Separator

Description: The rf particle separator, proposed in 1959 by W.K.H. Panofsky and now in preparation for the Brookhaven Alternating Gradient Synchrotron, required a rf structure which gives a transverse impulse to a passing relativistic particle. In order to produce an accumulative transverse deflection of a traveling charged particle with an electromagnetic field, it is necessary that the field contains a synchronous component and in principle, waveguides and cavities are equivalent with respect to the parti… more
Date: October 25, 1962
Creator: Hahn, H.
Partner: UNT Libraries Government Documents Department
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Wave Functions for Quadrupole Antishielding Factors

Description: The purpose of this paper is to present tables of the perturbed wave functions which have been recently obtained in a calculation of the quadruple antishielding factors γ∞ for the Mn+2, Fe+3, Ga+3, and Ag+ ions. The wave functions v'1(nℓ-ℓ) which are tabulated represent the effect of the perturbation due to a nuclear quadruple moment Q on the wave functions of the outermost electrons of the ion core.
Date: February 25, 1963
Creator: Sternheimer, R. M.
Partner: UNT Libraries Government Documents Department
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Fluorimetric Assay of α-Chymotrypsin

Description: The enzymolysis by α-chymotrypsin of the substrates, N-acetyl-L-tryptophane ethyl ester and N-acetyl-L-tyrosine ethyl ester, was followed by means of fluorescence whose intensity increased fourfold and threefold per mole respectively as substrate was transformed into amino acid. The assay by fluorescence was several orders of magnitude more sensitive than the assay by differential absorption spectra of these substances and was in agreement with it in those concentration regions where both metho… more
Date: February 25, 1963
Creator: Bielski, Benon H. J. & Freed, Simon
Partner: UNT Libraries Government Documents Department
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Antibody Formation by Transplanted Bone Marrow, Spleen, Lymph Node and Thymus Cells in Irradiated Recipients

Description: The role of the marrow as a site for antibody formation has been considered for many years. In 1912 Ludke reported the appearance of antibody in cultures of marrow cells obtained from previously immunized rabbits. Specific agglutinins for killed typhoid bacilli and lysins for ox red cells and sheep red cells were detected in the culture media 2 to 5 days later. However, the cultured cells failed to produce antibody when these antigens were added to the media. Similar findings by Reiter, Przygod… more
Date: February 25, 1963
Creator: Stoner, Richard D. & Bond, Victor P.
Partner: UNT Libraries Government Documents Department
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Crystal Structure of a Sodium Cobalt Molybdate

Description: The cobalt and molybdenum positions had been derived from a three-dimensional Patterson function based on complete data out to λ-1 sin θMo≈ 1. From the separation of the separation of the Mo atoms it was thought that the structure contained free, unlinked MoO4 -2 ions, and this, together with the observed density and analyses for Co and Mo, suggested that the composition was probably Co2(MoO4)3. The paucity of structural information on complex oxide systems and the interesting properties, both … more
Date: February 25, 1963
Creator: Ibers, James A. & Smith, G. W.
Partner: UNT Libraries Government Documents Department
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Electric Currents, Membranes, and Biological Sources of Electromotive Force

Description: The analysis of closed circuit systems in which spontaneous steady-state electric currents appear can be carried out with the use of the function [function not transcribed]. The analysis indicates that any open circuit system of the form. Phase 1, barrier 1, phase 2, ......, phase b, barrier b, phase 1' is a chemical source of electromotive force when the phase 1 and 1' are identical, when the system contains two or more barriers whose sets of ionic transport members are different, and when the… more
Date: February 25, 1963
Creator: Nims, Leslie F.
Partner: UNT Libraries Government Documents Department
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Bromine Exchange in Graphite-Bromine Lamellar Compounds

Description: A kinetic study of the exchange of normal and radioactive bromine in graphite-bromine lamellar compounds has been made at temperatures of 30° to 50°C. Natural and synthetic graphite powders were investigated. Two alternative mechanisms for the exchange, volume diffusion and surface exchange, were considered. The data were in better agreement with the diffusion mechanism. Diffusion coefficients of 10 -9 to 10 -8 cm2/sec and an activation energy of 11 to 14 kcal/mole were calculated for the natur… more
Date: February 25, 1963
Creator: Aronson, Seymour
Partner: UNT Libraries Government Documents Department
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The History of the Brookhaven Biology Department Mouse Colony No. 1 (Swiss-Bridge-Bagg-O'Grady-Walter Reed Strain) With Endemic Occult Cerebral Encephalitozoönosis and Colony No. 2

Description: Innes, Zemen, Frenkel, Borner and Wright (1962) described an outbreak of encephalitozoönosis of the central nervous system in mice, a summary of which is given below for an understanding of why this appendix may be of interest. When the paper was presented for publication, the editors of the journal decided to omit the history of our mouse colony. In our opinion, to understand (a) how this infection may have arisen and (b) may have spread, and still exist in some colonies, it is of prime import… more
Date: February 25, 1963
Creator: Innes, J. R. M. & Borner, G
Partner: UNT Libraries Government Documents Department
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Effects of Low Levels of X-Rays and Irradiation from C14 and H3 on Cell Population Kinetics in the Root Tip of Tradescantia

Description: Reciprocal labelling in double-labelling experiments with H3- and C14- thymidine showed that when H3- thymidine (1μc/ml for 0.5 hr) was given first in the labelling sequence followed by a 4 hr interval before the C14- thymidine treatment, that passage of cells into and out of DNA synthesis was normal. When C14 was first in the sequence, the rate at which cells entered DNA synthesis was decreased. This was attributed to a radiation effect produced by the β-rays from the C14. The rate at which ce… more
Date: March 25, 1963
Creator: Wimber, Donald E.
Partner: UNT Libraries Government Documents Department
open access

Parameters of the 132 eV Neutron Resonance in Co 59

Description: An accurate determination of the parameters of the resonance excited by the interaction of the 132 eV neutrons with the Co 59 target nucleus has been made, using the fast choppers at Brookhaven National Laboratory in the United States and Chalk River Laboratory in Canada. Neutron transmission through thick and thin samples resulted in the following parameters: [parameters not transcribed]. In addition, measurements of the resonance capture γ-ray intensity gave the value for the radiation width … more
Date: March 25, 1963
Creator: Jain, A. P.; Chrien, R. E.; Moore, J. A. & Palevsky, H.
Partner: UNT Libraries Government Documents Department
open access

Stored Energy in BNL Reactor Graphite

Description: Radiation damage to graphite has several consequences of practical importance. The growth of graphite under radiation (Wigner's disease) in production reactors has always been a serious concern. The thermal conductivity of graphite decreases greatly with time of irradiation and is important in long range studies of reactor temperature problems.
Date: February 25, 1953
Creator: Chernick, J.
Partner: UNT Libraries Government Documents Department
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