PROTON ELASTIC SCATTERING BY NUCLEI

Journal Article · Fri Jul 01 04:00:00 EDT 1960 · Izvest. Akad. Nauk. S.S.S.R., Ser. Fiz.

OSTI ID:4139668

Klyucharev, A P

The angular distributions of protons elastically scattered Ni/sup 58/, Ni/sup 62/, Cu/sup 63/, and Cu/sup 65/ were measured for proton energies of 5.45 and 6.8 Mev and by Li/sup 6/, Li/sup 7/, CO/sup 59/, Cu/sup 63/, Cu/sup 65/, Ge/ sup 73/ Ge/sup 74/ Cd/sup 111/, Cd/sup 113/, Cd/sup 116/, Sn/sup 116/, Sn/sup 117/ , Sn/sup 118/ Sn/sup 120/, Sn/sup 122/, Sn/sup 124/, Pb/ sup 207/, Pb/sup 208/, Bi/sup 209/, and U/sup 238/ for 19.6-Mev protons. Linear accelerators of 5.5 and 19.6 Mev and a 6.8 Mev cyclotron were used as fast proton sources. Proton scatterings were recorded at various angles by a scintillation spectrometer and nuclear emulsions. The recording methods and the target thicknesses produced accurate recordings of elastically scattered protons, discriminating the inelastic. It was observed that at 19.6 Mev, Cd/sup 111,113,116/ defraction scattering is identical except for slight shifts at the extremes (depending on mass number). However, Cd/sup 111/ has five energy levels up to 600 kev, Cd/sup 113/ has four, and Cd/sup 116/ has only one. The curves of angular dependence for Cd/sup 116/ and Sn/sup 116/ are identical but the absolute value sigma ( THETA ) sigma /sub RH/ ( THETA ) for one nucleus is about twice as large as for the other. Quantitative and qualitative differences in the angular dependence sigma ( THETA ) sigma /sub RH/( THETA ) at large angles for even-even nuclei (Cr/ sup 52/, Ni/sup 58/, Ni/sup 60/, and Ni/sup 62/) and odd-odd (Co/sup 59/ and Cu/ sup 65/) were observed at energies of 5.45 Mev. Consequently, even one unit change in neucleon number alters the angular distribution in proton scattering at energies lower than the potential barrier. (R.V.J.)

• Research Organization: Inst. of Physics and Tech., Academy of Sciences, Ukrainian SSR
• NSA Number: NSA-14-024866
• OSTI ID: 4139668
• Journal Information: Izvest. Akad. Nauk. S.S.S.R., Ser. Fiz., Journal Name: Izvest. Akad. Nauk. S.S.S.R., Ser. Fiz. Vol. Vol: 24
• Country of Publication: Country unknown/Code not available
• Language: Russian

Related Subjects

ANGULAR DISTRIBUTION
BISMUTH 209
CADMIUM 111
CADMIUM 113
CADMIUM 116
CHROMIUM 52
CHROMIUM 53
COBALT 59
COPPER 63
COPPER 65
CYCLOTRONS
ELASTIC SCATTERING
ENERGY LEVELS
ENERGY RANGE
GERMANIUM 73
GERMANIUM 74
LEAD 207
LEAD 208
LINEAR ACCELERATORS
LITHIUM 6
LITHIUM 7
MEASURED VALUES
NICKEL 58
NICKEL 60
NICKEL 62
NUCLEI
NUCLEONS
PHYSICS
PROTON BEAMS
RECORDING SYSTEMS
SCATTERING
SCINTILLATION COUNTERS
TARGETS
THICKNESS
TIN 116
TIN 117
TIN 118
TIN 119
TIN 120
TIN 122
TIN 124
URANIUM 238