Measurement of the two-photon reaction γγ →π+π-π+π- at large values of Q2

The process γγ→π+π-π+π- has been investigated in reactions of the type e+e-→e+e-π+π-π+π- in the single tag mode. The range of the four momentum squared of one of the virtual photons was 0.28 GeV2/c2≦Q2≦3.6 GeV2/c2, the average being 〈Q2〉=0.92 GeV2/c2; the other photon was quasi real. The reaction is...

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Bibliographic Details
Main Authors:	Braunschweig, W, Gerhards, R, Kirschfink, F, Martyn, H, Bock, B, Fischer, H, Hartmann, H, Hartmann, J, Hilger, E, Jocksch, A, Wedemeyer, R, Foster, B, Martin, A, Sephton, A, Barreiro, F, Bernardi, E, Chwastowski, J, Eskreys, A, Gather, K, Genser, K, Hultschig, H, Joos, P, Kowalski, H, Ladage, A, Löhr, B
Format:	Journal article
Language:	English
Published:	Springer-Verlag 1988

Measurement of the two-photon reaction γγ →π+π-π+π- at large values of Q2

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