Ferrer, M.L.
E+ E- --> E+ E- HADRONS
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Study of double-tagged gamma gamma events at LEP II.

The DELPHI collaboration Abdallah, J. ; Abreu, P. ; Adam, W. ; et al.
Eur.Phys.J.C 46 (2006) 559-568, 2006.
Inspire Record 704268 DOI 10.17182/hepdata.48974

Double-tagged interactions of photons with virtualities Q^2 between 10 GeV^2 and 200 GeV^2 are studied with the data collected by DELPHI at LEPII from 1998 to 2000, corresponding to an integrated luminosity of 550 pb^{-1}. The gam* gam* -> mu+mu- data agree with QED predictions. The cross-section of the reaction gam* gam* -> hadrons is measured and compared to the LO and NLO BFKL calculations.

4 data tables
Table 1

Measured cross section for the process E+ E- --> E+ E- HADRONS.

Table 2

Measured cross section for the process GAMMA* GAMMA* --> HADRONS.

Table 3

Differential cross section for GAMMA* GAMMA* --> MU+ MU-.

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A Measurement of the photon structure function F2(gamma) at an average Q**2 of 12-GeV**2/c**4

The DELPHI collaboration Abreu, P. ; Adam, W. ; Adye, T. ; et al.
Z.Phys.C 69 (1996) 223-234, 1996.
Inspire Record 396884 DOI 10.17182/hepdata.47867

None

2 data tables
Table 1

No description provided.

Table 2

Low x domain.


Multihadron production through the photon-photon interaction

Paoluzi, L. ; Ceradini, F. ; Ferrer, M.L. ; et al.
Lett.Nuovo Cim. 10S2 (1974) 435-439, 1974.
Inspire Record 96130 DOI 10.17182/hepdata.37454

None

1 data table
Table 1

TWO EVENTS SEEN WITH MASSES 800 +- 90 MEV AND 1400 +- 90 MEV. THE FIRST WHEN INTERPRETED AS ETAPRIME PRODUCTION GIVES A WIDTH OF 11, +15, -8 KEV FOR ETAPRIME --> 2GAMMA USING THE EQUIVALENT PHOTON APPROXIMATION.