Photodisintegration of $^4$He into p+t
Phys.Rev.C80:044603,2009 The two-body photodisintegration of $^4$He into a proton and a triton has been studied using the CEBAF Large-Acceptance Spectrometer (CLAS) at Jefferson Laboratory. Real photons produced with the Hall-B bremsstrahlung-tagging system in the energy range from 0.35 to 1.55 GeV...
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| Language | English |
| Published |
20.07.2009
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| Abstract | Phys.Rev.C80:044603,2009 The two-body photodisintegration of $^4$He into a proton and a triton has
been studied using the CEBAF Large-Acceptance Spectrometer (CLAS) at Jefferson
Laboratory. Real photons produced with the Hall-B bremsstrahlung-tagging system
in the energy range from 0.35 to 1.55 GeV were incident on a liquid $^4$He
target. This is the first measurement of the photodisintegration of $^4$He
above 0.4 GeV. The differential cross sections for the $\gamma$$^4$He$\to pt$
reaction have been measured as a function of photon-beam energy and
proton-scattering angle, and are compared with the latest model calculations by
J.-M. Laget. At 0.6-1.2 GeV, our data are in good agreement only with the
calculations that include three-body mechanisms, thus confirming their
importance. These results reinforce the conclusion of our previous study of the
three-body breakup of $^3$He that demonstrated the great importance of
three-body mechanisms in the energy region 0.5-0.8 GeV . |
|---|---|
| AbstractList | Phys.Rev.C80:044603,2009 The two-body photodisintegration of $^4$He into a proton and a triton has
been studied using the CEBAF Large-Acceptance Spectrometer (CLAS) at Jefferson
Laboratory. Real photons produced with the Hall-B bremsstrahlung-tagging system
in the energy range from 0.35 to 1.55 GeV were incident on a liquid $^4$He
target. This is the first measurement of the photodisintegration of $^4$He
above 0.4 GeV. The differential cross sections for the $\gamma$$^4$He$\to pt$
reaction have been measured as a function of photon-beam energy and
proton-scattering angle, and are compared with the latest model calculations by
J.-M. Laget. At 0.6-1.2 GeV, our data are in good agreement only with the
calculations that include three-body mechanisms, thus confirming their
importance. These results reinforce the conclusion of our previous study of the
three-body breakup of $^3$He that demonstrated the great importance of
three-body mechanisms in the energy region 0.5-0.8 GeV . |
| Author | Berman, B. L Benmouna, N Nasseripour, R Laget, J. -M Ilieva, Y |
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| BackLink | https://doi.org/10.48550/arXiv.0907.3433$$DView paper in arXiv https://doi.org/10.1103/PhysRevC.80.044603$$DView published paper (Access to full text may be restricted) |
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been studied using the CEBAF Large-Acceptance Spectrometer... |
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| Title | Photodisintegration of $^4$He into p+t |
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