QUASI-ELASTIC SCATTERING OF 153 MEV PROTONS BY p-STATE PROTONS IN C$sup 12$. I. EXPERIMENTAL
For the reaction C/sup 12/(p, 2p)B/sup 11/ at 153 Mev, the energies of the two protons emitted in each event are measured with plastic scintillators, and added. The summed-energy spectnum shows a well-defined peak corresponding to an energy loss of 16 Mev in the reaction, and events in this peak are interpreted as those in which a proton is knocked out of the p-shell in carbon. For coplanar p-state events, angular correlations and energy spectra are measured with one counter fixed at 15, 20, 30, 40, 60, and 80 deg relative to the incident beam and the angle of the other varied between 15 and 80 deg on the other side of the beara. The angular correlations are sharply peaked, while for the peak the separation angle between the two outgoing protons depends markedly on the angle at which one proton is detected, varving from 35 deg when the fixed counter is set at 15 to 110 when it is at 80 deg . The results are consistent with the mechanism of quasi-elastic p--p scattering when the momentum distribution of the struck protons is taken into account. A rough value is obtained for the total cross-section for p-state events. It is abcut one-sixth of the expected value in the absence of absorption, thus showing the importance of this process. By comparison of the experimental results with distorted-wave calculations it should be possible to determine the momentum distribution of the p-state protons and the magnitude of the distortion effects themselves. (auth)
- Research Organization:
- Atomic Energy Research Establishment, Harwell, Berks, Eng.
- NSA Number:
- NSA-14-022394
- OSTI ID:
- 4157318
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 18
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
Similar Records
QUASI-ELASTIC SCATTERING OF 153-Mev PROTONS BY PROTONS IN THE p STATE OF C$sup 1$$sup 2$
ELASTIC SCATTERING OF PI MESONS ON PROTONS IN THE ENERGY REGION 550 TO 1020 MEV (thesis)
TWO NUCLEON STRIPPING AND THE $sup 16$0($sup 3$He, p$gamma$)$sup 18$F REACTION
Journal Article
·
Sun May 01 00:00:00 EDT 1960
· Journal de Physique et le Radium (France) Changed to J. Phys. (Orsay, Fr.)
·
OSTI ID:4168008
ELASTIC SCATTERING OF PI MESONS ON PROTONS IN THE ENERGY REGION 550 TO 1020 MEV (thesis)
Technical Report
·
Sun Oct 01 00:00:00 EDT 1961
·
OSTI ID:4819871
TWO NUCLEON STRIPPING AND THE $sup 16$0($sup 3$He, p$gamma$)$sup 18$F REACTION
Journal Article
·
Thu Oct 31 23:00:00 EST 1963
· Nuclear Physics (Netherlands) Divided into Nucl. Phys. A and Nucl. Phys. B
·
OSTI ID:4124740