Measurement of the Differential Cross-section for the Reaction $^{2}$H ($\gamma$, $P$) $N$ at High Photon Energies and $\theta$ (c.m.) = 90-degrees

Napolitano, J.; Freedman, S.J.; Geesaman, D.F.; Gilman, Ronald A.; Green, M.C.; Holt, R.J.; Jackson, H.E.; Kowalczyk, R.; Marchand, C.; Nelson, J.

doi:10.1103/PhysRevLett.61.2530

Measurement of the Differential Cross-section for the Reaction $^{2}$ H ( $\gamma$ , $P$ ) $N$ at High Photon Energies and $\theta$ (c.m.) = 90-degrees

1988

4 pages

Published in:

Phys.Rev.Lett. 61 (1988) 2530-2533

DOI:

10.1103/PhysRevLett.61.2530

Experiments:

SLAC-NE-02,
SLAC-NE-08

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Abstract: (APS)

We have measured the differential cross section for two-body deuteron photodisintegration at θc.m.=90° and for photon energies between 0.8 and 1.6 GeV. At energies above ≃ 1.2 GeV, the data appear to obey a simple scaling law predicted by constituent-counting rules assuming parton degrees of freedom for the deuteron and nucleons. Agreement with model calculations based on meson exchange or "reduced nuclear amplitudes" is discussed.

PHOTON DEUTERON: EXCLUSIVE REACTION
DEUTERON: PHOTOFISSION
DIFFERENTIAL CROSS SECTION: ENERGY DEPENDENCE
ENERGY DEPENDENCE: DIFFERENTIAL CROSS SECTION
SCALING
MESON: EXCHANGE
EXCHANGE: MESON
EXPERIMENTAL RESULTS
SLAC LINAC
PHOTON DEUTERON --> N P

References(16)

Figures(0)

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