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Title: Technical progress report, October 1, 1974--September 30, 1975. [Dept. of Physics, Univ. of Wisconsin]

Abstract

The study of the scattering of polarized deuterons yielded improved optical potentials, particularly spin--orbit and tensor potentials. Extensive measurements of vector and tensor analyzing powers for (d,p), (d,n), and (d,t) reactions corrected several J/sup ..pi../ assignments, revealed deficiencies in DWBA calculations, showed some interesting systematics, gave evidence for two-step processes, and demonstrated important deuteron D-state effects. New vector and tensor polarimeters permitted routine beam-polarization checks. Analyzing powers measured to +-- 2 x 10/sup -4/ for p--p scattering at E/sub p/ = 10 MeV gave model-independent phase-shift analysis for E/sub p/ less than 25 MeV. Accurate analyzing powers and cross sections for p + ..cap alpha.. suggested a D-state component in the ..cap alpha.. particle. Precise absolute cross sections for several (n,p) and (n,..cap alpha..) reactions resulted from associated-particle measurements. Instrumentation for (p,n) and (..cap alpha..,/sup 8/Be) studies at intermediate energies is underway. Extensive isospin-forbidden cross sections gave level parameters for isospin-mixed /sup 18/F states and implied intermediate structure and ''bridge'' states. Level parameters for /sup 18/F unnatural-parity states resulted from /sup 16/O(d vector,..cap alpha../sub 3/)/sup 14/N(J = 0/sup -/) measurements. Radiative capture and scattering of ..cap alpha..'s by /sup 14/N, /sup 16/O, and /sup 20/Ne gave data about /sup 18/F,more » /sup 20/Ne, and /sup 24/Mg. Ion-source development work included a new type polarized source, a new sputter source, and a device for beam emittance measurements. (RWR)« less

Authors:
Publication Date:
Research Org.:
Wisconsin Univ., Madison (USA). Dept. of Physics
OSTI Identifier:
8202569
Report Number(s):
COO-7-774
TRN: 76-015577
DOE Contract Number:  
E(11-1)-GEN-7
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; 43 PARTICLE ACCELERATORS; NUCLEAR PHYSICS; RESEARCH PROGRAMS; VAN DE GRAAFF ACCELERATORS; OPERATION; DATA ACQUISITION SYSTEMS; ANGULAR DISTRIBUTION; DEUTERON REACTIONS; ELASTIC SCATTERING; INTERMEDIATE MASS NUCLEI; MEV RANGE 01-10; POLARIZATION; ANALYZING POWER; DIFFERENTIAL CROSS SECTIONS; DWBA; NICKEL 64 TARGET; NICKEL 65; ONE-NUCLEON TRANSFER REACTIONS; PROTONS; STRIPPING; DESIGN; POLARIMETERS; TENSORS; LIGHT NUCLEI; NEUTRONS; POLARIZED BEAMS; ALPHA PARTICLES; EXCITATION FUNCTIONS; FAST NEUTRONS; LITHIUM 6 TARGET; NEUTRON REACTIONS; TRITIUM; ALPHA REACTIONS; INELASTIC SCATTERING; MEV RANGE 10-100; NITROGEN 14 TARGET; S MATRIX; ENERGY LEVELS; FLUORINE 18; ACCELERATORS; BARYON REACTIONS; BARYONS; BEAMS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; BETA-PLUS DECAY RADIOISOTOPES; BORN APPROXIMATION; CHARGED PARTICLES; CHARGED-PARTICLE REACTIONS; CROSS SECTIONS; DIRECT REACTIONS; DISTRIBUTION; ELECTROSTATIC ACCELERATORS; ELEMENTARY PARTICLES; ENERGY RANGE; EVEN-ODD NUCLEI; FERMIONS; FLUORINE ISOTOPES; HADRON REACTIONS; HADRONS; HOURS LIVING RADIOISOTOPES; HYDROGEN ISOTOPES; ISOTOPES; MATRICES; MEV RANGE; NICKEL ISOTOPES; NUCLEAR REACTIONS; NUCLEI; NUCLEON REACTIONS; NUCLEONS; ODD-EVEN NUCLEI; ODD-ODD NUCLEI; PHYSICS; RADIOISOTOPES; SCATTERING; TARGETS; TRANSFER REACTIONS; YEARS LIVING RADIOISOTOPES; 651000* - Nuclear Physics; 430100 - Particle Accelerators- Design, Development, & Operation

Citation Formats

Richards, H T. Technical progress report, October 1, 1974--September 30, 1975. [Dept. of Physics, Univ. of Wisconsin]. United States: N. p., 1975. Web. doi:10.2172/8202569.
Richards, H T. Technical progress report, October 1, 1974--September 30, 1975. [Dept. of Physics, Univ. of Wisconsin]. United States. https://doi.org/10.2172/8202569
Richards, H T. Wed . "Technical progress report, October 1, 1974--September 30, 1975. [Dept. of Physics, Univ. of Wisconsin]". United States. https://doi.org/10.2172/8202569. https://www.osti.gov/servlets/purl/8202569.
@article{osti_8202569,
title = {Technical progress report, October 1, 1974--September 30, 1975. [Dept. of Physics, Univ. of Wisconsin]},
author = {Richards, H T},
abstractNote = {The study of the scattering of polarized deuterons yielded improved optical potentials, particularly spin--orbit and tensor potentials. Extensive measurements of vector and tensor analyzing powers for (d,p), (d,n), and (d,t) reactions corrected several J/sup ..pi../ assignments, revealed deficiencies in DWBA calculations, showed some interesting systematics, gave evidence for two-step processes, and demonstrated important deuteron D-state effects. New vector and tensor polarimeters permitted routine beam-polarization checks. Analyzing powers measured to +-- 2 x 10/sup -4/ for p--p scattering at E/sub p/ = 10 MeV gave model-independent phase-shift analysis for E/sub p/ less than 25 MeV. Accurate analyzing powers and cross sections for p + ..cap alpha.. suggested a D-state component in the ..cap alpha.. particle. Precise absolute cross sections for several (n,p) and (n,..cap alpha..) reactions resulted from associated-particle measurements. Instrumentation for (p,n) and (..cap alpha..,/sup 8/Be) studies at intermediate energies is underway. Extensive isospin-forbidden cross sections gave level parameters for isospin-mixed /sup 18/F states and implied intermediate structure and ''bridge'' states. Level parameters for /sup 18/F unnatural-parity states resulted from /sup 16/O(d vector,..cap alpha../sub 3/)/sup 14/N(J = 0/sup -/) measurements. Radiative capture and scattering of ..cap alpha..'s by /sup 14/N, /sup 16/O, and /sup 20/Ne gave data about /sup 18/F, /sup 20/Ne, and /sup 24/Mg. Ion-source development work included a new type polarized source, a new sputter source, and a device for beam emittance measurements. (RWR)},
doi = {10.2172/8202569},
url = {https://www.osti.gov/biblio/8202569}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1975},
month = {1}
}