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phi photo-production from Li, C, Al, and Cu nuclei at Egamma=1.5 - 2.4 GeV

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arxiv nucl-ex/0411016 v1 pith:YMGIL4W3 submitted 2004-11-09 nucl-ex

classification nucl-ex
keywords photo-productionbeendependencenumbersigmaangleschangecross
verification ladder T0 review T1 audit T2 compute T3 formal

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abstract

The photo-production of $\phi$ mesons from Li, C, Al, and Cu at forward angles has been measured at $E_gamma$=1.5--2.4 GeV. The number of events for incoherent phi photo-production is found to have a target mass number dependence of $A^{0.72\pm 0.07}$ in the kinematical region of $|t|\le 0.6$ ${\rm GeV}^2/c^2$. The total cross section of the $\phi$-nucleon interaction, $\sigma_{\phi N}$, has been estimated as $35^{+17}_{-11}$ mb using the $A$-dependence of the $\phi$ photo-production yield and a Glauber-type multiple scattering theory. This value is much larger than $\sigma_{\phi N}$ in free space, suggesting that the $\phi$ properties might change in the nuclear medium.

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Forward citations

Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Polarization-dependent mass modifications of $\phi$ meson with finite momentum in nuclear matter

    hep-ph 2026-03 conditional novelty 6.0 of 10

    In nuclear matter, the phi meson's longitudinal polarization mass decreases quadratically with momentum; the transverse polarization mass stays constant.

  2. Polarization dependence of the $\phi$ meson from finite-temperature QCD sum rules

    hep-ph 2026-05 unverdicted novelty 5.0 of 10

    Finite-temperature QCD sum rules predict momentum-dependent mass increases and growing transverse-longitudinal splitting for the phi meson, driven primarily by dimension-four spin-dependent thermal condensates.

  3. Faddeev equations for the $J/\psi\,NN$ and $\phi\,NN$ three-body systems in momentum space

    hep-ph 2026-08 conditional novelty 4.0 of 10

    A momentum-space Faddeev calculation with Malfliet-Tjon and HAL QCD potentials predicts phi-nucleon-nucleon bound states and no J/psi-nucleon-nucleon bound state.

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