Suppression of the Coulomb Interaction in the Off-Energy-Shell p-p Scattering from the p+d{yields}p+p+n Reaction

Journal Article · Fri Jun 22 04:00:00 EDT 2007 · Physical Review Letters

DOI:https://doi.org/10.1103/PHYSREVLETT.98.252502· OSTI ID:20953305

Tumino, A; Spitaleri, C; Rapisarda, G G; Cherubini, S; Crucilla, V; Gulino, M; La Cognata, M; Lamia, L; Mudo, F; Pizzone, R G; Romano, S; Sergi, M L ^[1]; Mukhamedzhanov, A ^[2]; Elekes, Z; Fueloep, Z; Gyuerky, G; Kiss, G; Somorjai, E ^[3]

---

1. Dipartimento di Metodologie Fisiche e Chimiche per l'Ingegneria, Universita di Catania, Catania, 95125 (Italy)
2. Cyclotron Institute, Texas A and M University, College Station, Texas 77843 (United States)
3. ATOMKI, Debrecen, 4001 (Hungary)

Off-energy-shell effects in p-p scattering have been investigated at p-p relative energies from 600 down to 80 keV applying the Trojan horse method (THM) to the p+d{yields}p+p+n reaction at 5 MeV. In contrast with the on-energy-shell case, no Coulomb-nuclear interference minimum has been found in the extracted THM p-p cross section, due to the suppression of the Coulomb amplitude as predicted by the half-off-energy shell calculations. This hypothesis is strengthened by the agreement between THM p-p data and calculated on-energy-shell n+n, n+p and nuclear p+p cross sections.

• OSTI ID: 20953305
• Journal Information: Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 25 Vol. 98; ISSN 0031-9007; ISSN PRLTAO
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
COULOMB SCATTERING
CROSS SECTIONS
KEV RANGE
MEV RANGE 01-10
PROTON REACTIONS
PROTON-PROTON INTERACTIONS