Photopion Production from Deuterium Near Threshold |
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Results 1-5 of 21
Page 4
... effects : k ( Mev ) Ꮎ ( deg ) 0 % + σ 152-158 158-165 165-175 0 to 90 90 to 140 135 to 180 1.08 ± 0.14 1.27 ± 0.18 1.44 ± 0.20 These ratios include negative Coulomb corrections of 13 % , 7 % , and 7 % , respectively . An attempt was ...
... effects : k ( Mev ) Ꮎ ( deg ) 0 % + σ 152-158 158-165 165-175 0 to 90 90 to 140 135 to 180 1.08 ± 0.14 1.27 ± 0.18 1.44 ± 0.20 These ratios include negative Coulomb corrections of 13 % , 7 % , and 7 % , respectively . An attempt was ...
Page 6
... effects and kinematical smearing , by means of a 16 Chew - Low extrapolation . μ ← d + λ ) o = + Naively , one would expect the cross sections σ = σ ( y + n = σ ( у + n → п ̄ + р ) and o * : + n ) to be about equal , on the basis of ...
... effects and kinematical smearing , by means of a 16 Chew - Low extrapolation . μ ← d + λ ) o = + Naively , one would expect the cross sections σ = σ ( y + n = σ ( у + n → п ̄ + р ) and o * : + n ) to be about equal , on the basis of ...
Page 8
... effects which are essential in determining R , the important terms in near - threshold photoproduction are the gauge - invariance term and the direct - interaction term 0. € σ • ( k - q ) ê • q Here wk · G q k σ is the nucleon spin , k ...
... effects which are essential in determining R , the important terms in near - threshold photoproduction are the gauge - invariance term and the direct - interaction term 0. € σ • ( k - q ) ê • q Here wk · G q k σ is the nucleon spin , k ...
Page 12
... k . Two - body Angles are in the kinematics are assumed . laboratory system . No corrections for Coulomb effects have been made . Theoretical approaches to deterium photoproduction have 57-59 usually utilized the -13-
... k . Two - body Angles are in the kinematics are assumed . laboratory system . No corrections for Coulomb effects have been made . Theoretical approaches to deterium photoproduction have 57-59 usually utilized the -13-
Page 14
... effect on the extrapolation , we were in retrospect justified in using the deuteron asymptotic wave function to obtain the Fourier transform . Experimentally , what we observe is a complicated differential cross -15- Polology.
... effect on the extrapolation , we were in retrospect justified in using the deuteron asymptotic wave function to obtain the Fourier transform . Experimentally , what we observe is a complicated differential cross -15- Polology.
Common terms and phrases
Adamovich adjustment analysis analyzable average background Baldin bremsstrahlung bremsstrahlung beam bubble chamber calculated capacitor chamber boundaries chamber geometry coordinates Coulomb corrections Coulomb interaction curve decay determined deuterium deuterium bubble chamber deuteron diameter dispersion relations distribution effects electron error Event Reconstruction event vertex experimental extrapolation fiducial marks film hydrogen ionization chamber kinematics kinetic energy laboratory-system least-squares leave the chamber leaving tracks LiH beam hardener Lucite mass measurements meson events msec muon negative mesons negative pion negative-meson events negative-pion Newton's method nucleon Number of events observed obtained pair-spectrometer parameters particles peak energy photon energy photopion photoproduction photoproton scatterings pion Polology positive pions production programs prongs psig pulses punched range ratio Reaction recoil roll shown in Fig spectrum stereo sweep magnet synchrotron threshold transmission two-prong events visible VP cell weighted