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Charmonium Production in Photon-Photon Collisions. TPC/Two-Gamma Collaboration

机译:光子 - 光子碰撞中的焦炭产生。 TpC /双Gamma协作

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The authors report a measurement of the two-photon reaction e(+)e(-) -> e(+)e(-)R (where R stands for (eta sub c, chi sub 0, or chi sub 2) with the TPC/Two-Gamma facility at the SLAC e(+)e(-) storage ring PEP, with incident e(+) and e(-) energies of 14.5 GeV. Using the particle-identification capabilities of the Time Projection Chamber (TPC), they have studied four final states. The sums of known branching fractions to these final states are given.

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