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Neutron-proton elastic scattering spin-spin correlation parameter measurements between 500 and 800 MeV. II. [ital C][sub [ital S][ital S]] and [ital C][sub [ital L][ital S]] at forward c. m. angles

Journal Article · · Physical Review, D (Particles Fields); (United States)
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  1. Argonne National Laboratory, Argonne, Illinois 60439 (United States)
  2. Texas A M University, College Station, Texas 77843 (United States)
  3. New Mexico State University, Las Cruces, New Mexico 88003 (United States)
  4. Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
  5. University of Montana, Missoula, Montana 59812 (United States)
  6. Washington State University, Pullman, Washington 99164 (United States)
+ Show Author Affiliations
Results are presented for the spin-spin correlation parameters [ital C][sub [ital S][ital S]] and [ital C][sub [ital L][ital S]] for free [ital np] elastic scattering at neutron beam kinetic energies of 484, 634, 720, and 788 MeV and c.m. angles between 25[degree] and 80[degree]. The measurements were performed with a polarized neutron beam and a polarized proton target. These are the first measurements of this type to be reported in the forward angular region with a free polarized neutron beam. The observables [ital C][sub [ital S][ital S]] and [ital C][sub [ital L][ital S]] are both small at all energies, except for [ital C][sub [ital L][ital S]] at 788 MeV, which is larger than phase-shift analysis predictions by more than one standard deviation for most of the measured points.
DOE Contract Number:
W-31109-ENG-38; AS05-76ER04449; FG05-88ER40399; FG04-88ER40403
OSTI ID:
6899019
Journal Information:
Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 47:1; ISSN PRVDAQ; ISSN 0556-2821
Country of Publication:
United States
Language:
English

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Related Subjects

662340* -- Hadron Interactions-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ACCELERATORS
ANGULAR DISTRIBUTION
ANGULAR MOMENTUM
BARYON-BARYON INTERACTIONS
BEAMS
CORRELATIONS
COUPLING
DEUTERIUM TARGET
DISTRIBUTION
ELASTIC SCATTERING
ENERGY DEPENDENCE
ENERGY RANGE
HADRON-HADRON INTERACTIONS
INTERACTIONS
INTERMEDIATE COUPLING
J-J COUPLING
L-S COUPLING
LAMPF LINAC
LINEAR ACCELERATORS
MESON FACTORIES
MEV RANGE
MEV RANGE 100-1000
NUCLEON-NUCLEON INTERACTIONS
PARTICLE INTERACTIONS
PARTICLE PROPERTIES
PHASE SHIFT
POLARIZED BEAMS
POLARIZED TARGETS
PROTON-NEUTRON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
SCATTERING
SPIN
TARGETS