Polarization observables in [pi][sup +] [sup 6]Li scattering: Analyzing powers [ital iT][sub 11] and [tau][sub 22]
- Institut fuer Experimentelle Kernphysik, Universitaet Karlsruhe (Germany)
- Paul Scherrer Institut, 5232 Villigen (Switzerland)
- Laboratory of Theoretical Physics, JINR, Dubna (Russian Federation)
- Institut fuer Kernphysik, Universitaet Mainz, Mainz (Germany)
- Institut for Nuclear Research, Russian Academy of Sciences, Moscow 117312 (Russian Federation)
The vector analyzing power [ital iT][sub 11] and the tensor analyzing power [tau][sub 22]=[ital T][sub 22]+[ital T][sub 20]/ [radical]6 have been measured for [pi][sup +][r arrow][sup 6]L[rvec i] elastic and inelastic scattering (to the 3[sup +]0, 2.19 MeV state) at incident pion energies of 120, 150, 180, and 194 MeV. These data and earlier ones from our group are compared with new coupled channels calculations. Within the coupled channels model, the influence of different nuclear wave functions, the strength of the coupling of the ground and first excited states, and the effects of the phenomenological second-order potential were investigated. It was found that the calculated vector analyzing power [ital iT][sub 11] depends strongly on the transverse form factor whichever nuclear wave function is chosen. In the angular region where the [ital iT][sub 11] data were taken the coupling of the ground to the first excited state has a minor effect on the theoretical predictions. Reasonable agreement with the data can be obtained for a large energy and angular region with the first-order potential only.
- OSTI ID:
- 7116711
- Journal Information:
- Physical Review, C (Nuclear Physics); (United States), Vol. 49:6; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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LITHIUM 6 TARGET
PION PLUS REACTIONS
ANALYZING POWER
COUPLED CHANNEL THEORY
ELASTIC SCATTERING
FORM FACTORS
INELASTIC SCATTERING
MEV RANGE 100-1000
POLARIZATION
POLARIZED TARGETS
WAVE FUNCTIONS
CHARGED-PARTICLE REACTIONS
ENERGY RANGE
FUNCTIONS
HADRON REACTIONS
MESON REACTIONS
MEV RANGE
NUCLEAR REACTIONS
PARTICLE PROPERTIES
PION REACTIONS
SCATTERING
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663460* - Meson- & Hyperon-induced Reactions & Scattering- (1992-)
663520 - Nuclear Mass Ranges- A=6-19- (1992-)
663300 - Nuclear Reactions & Scattering
General- (1992-)