Deuteron breakup pd->(pp){sub s}n with forward emission of a fast {sup 1}S{sub 0} diproton

Journal Article · Thu Apr 15 04:00:00 EDT 2010 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PHYSREVC.81.044001· OSTI ID:21388907

Dymov, S; Yaschenko, S ^[1]; Komarov, V; Macharashvili, G; Uzikov, Yu; Azarian, T; Kulikov, A; Kurbatov, V; Merzliakov, S; Zalikhanov, B; Zhuravlev, N ^[2]; Imambekov, O ^[2]; Buescher, M; Hartmann, M; Hejny, V; Kacharava, A; Nekipelov, M; Ohm, H; Rathmann, F; Seyfarth, H ^[3]

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1. Physikalisches Institut, Universitaet Erlangen-Nuernberg, D-91058 Erlangen (Germany)
2. Laboratory of Nuclear Problems, JINR, RU-141980 Dubna (Russian Federation)
3. Institut fuer Kernphysik and Juelich Centre for Hadron Physics, Forschungszentrum Juelich, D-52425 Juelich (Germany)

The deuteron breakup reaction pd->(pp){sub s}n, where (pp){sub s} is a fast proton pair emitted in forward direction with small excitation energy E{sub pp}<3 MeV, has been studied at proton beam energies of 0.5-2.0 GeV using the ANKE spectrometer at COSY-Juelich. The differential c.m. cross sections are measured in complete kinematics and provide angular distributions of the neutron emission angle in the range theta{sub n}=168 deg. - 180 deg., the dependence on beam energy at theta{sub n}=180 deg., angular distributions of the direction of the proton in the pp rest frame, and distributions of the excitation energy E{sub pp} of the proton pair. The obtained data are analyzed on the basis of theoretical models previously developed for the pd->dp process in a similar kinematics and properly modified for the diproton channel in pd->(pp){sub s}n. It is shown that the measured observables are highly sensitive to the short-range part of the nucleon-nucleon interaction.

• OSTI ID: 21388907
• Journal Information: Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 4 Vol. 81; ISSN 0556-2813; ISSN PRVCAN
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ACCELERATORS
ANGULAR DISTRIBUTION
BARYON-BARYON INTERACTIONS
BARYONS
BEAMS
BREAKUP REACTIONS
CHARGED PARTICLES
COSY STORAGE RING
CROSS SECTIONS
CYCLIC ACCELERATORS
DEUTERONS
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELEMENTARY PARTICLES
EMISSION
ENERGY RANGE
ENERGY-LEVEL TRANSITIONS
EXCITATION
FERMIONS
GEV RANGE
GEV RANGE 01-10
HADRON-HADRON INTERACTIONS
HADRONS
INTERACTIONS
MEASURING INSTRUMENTS
MEV RANGE
MEV RANGE 100-1000
NEUTRON EMISSION
NUCLEAR REACTIONS
NUCLEON BEAMS
NUCLEON-NUCLEON INTERACTIONS
NUCLEONS
PARTICLE BEAMS
PARTICLE INTERACTIONS
PROTON BEAMS
PROTON-NEUTRON INTERACTIONS
PROTON-NUCLEON INTERACTIONS
PROTON-PROTON INTERACTIONS
PROTONS
SPECTROMETERS
STORAGE RINGS
SYNCHROTRONS