6533b830fe1ef96bd1297230

RESEARCH PRODUCT

Barkas effect with use of antiprotons and protons.

W. KellsSteven L. RolstonH. KalinowskyJ. HaasT. A. TrainorR. L. TjoelkerLuis A. OrozcoX. FeiGerald Gabrielse

subject

PhysicsRange (particle radiation)AntiparticleNuclear TheoryHadronBaryonNuclear physicsAntiprotonAntimatterPhysics::Accelerator PhysicsStopping power (particle radiation)High Energy Physics::ExperimentAtomic physicsNuclear ExperimentNucleon

description

The difference in the range of protons and antiprotons in matter, an example of the Barkas effect, is observed in a simple time-of-flight apparatus. The ranges of 5.9-MeV antiprotons and protons differ by about 6% in a degrader made predominantly of aluminum.

10.1103/physreva.40.481https://pubmed.ncbi.nlm.nih.gov/9901920