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Photoproduction of $pi$$sup -$-mesons on deuterons monochromatic photons in the first resonance region

Journal Article · · Nuovo Cim., A, v. 18A, no. 4, pp. 635-653
OSTI ID:4359257
; ; ; ;
Photoproduction of pi /sup -/-mesons on deuteron was studied in the first resonance region with an annihilation photon beam with adjustable peak energy (from 250 MeV to 400 MeV. A coincidence detection of both outgoing pi / sup -/-meson and forward proton was performed with a set of 9 multiwire proportional chambers (1700 wires) inside the gap of a spectrometer. The momertum of the second proton is computed from three-body kinematics; their distribution is found in excellent agreement with the spectator model, even at the top of the resonance. The differential cross sections of pi /sup -/ were measured from 100 deg to 180 deg (center of mass); they are in reasonable agreement with conventional multipole calculations and do not indicate an appreciable isotensor term. (auth)
Research Organization:
Paris Univ., Orsay, France
NSA Number:
NSA-29-019417
OSTI ID:
4359257
Journal Information:
Nuovo Cim., A, v. 18A, no. 4, pp. 635-653, Journal Name: Nuovo Cim., A, v. 18A, no. 4, pp. 635-653; ISSN NCIAA
Country of Publication:
Country unknown/Code not available
Language:
English

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*PHOTON-NEUTRON INTERACTIONS-- DIFFERENTIAL CROSS SECTIONS
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PHOTON-DEUTERON INTERACTIONS