Measurement of the Processes $e^+ e^- \to e^+ e^-$ and $e^+ e^- \to \gamma \gamma$ at {PETRA}

The JADE collaboration Bartel, W. ; Becker, L. ; Bowdery, C. ; et al.
Z.Phys. C19 (1983) 197, 1983.
Inspire Record 191231 DOI 10.17182/hepdata.45206
3 data tables

Total cross sections.

Angular distribution.

Angular distribution.


Measurement of the e+ e- ---> gamma gamma (gamma) cross-section at LEP energies

The DELPHI collaboration Abreu, P. ; Adam, W. ; Adye, T. ; et al.
Phys.Lett. B327 (1994) 386-396, 1994.
Inspire Record 373116 DOI 10.17182/hepdata.48343
4 data tables

1990 energies are 88.223, 89.222, 90.217, 91.217, 92.209, 93.208 and 94.202 GeV.. 1991 energies are 88.465, 89.460, 90.208, 91.225, 91.954, 92.953, and 93.703 GeV.. 1992 energy is 91.278 GeV.

Average of all data.

No description provided.

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Studies of e+ e- ---> gamma gamma and gamma-gamma-gamma reactions

The TOPAZ collaboration Shimozawa, K. ; Fujimoto, J. ; Abe, T. ; et al.
Phys.Lett. B284 (1992) 144-150, 1992.
Inspire Record 339575 DOI 10.17182/hepdata.29177
11 data tables

No description provided.

No description provided.

No description provided.

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A Study of the Reaction $e^+ e^- \to \gamma \gamma$ at {LEP}

The OPAL collaboration Akrawy, M.Z. ; Alexander, G. ; Allison, J. ; et al.
Phys.Lett. B241 (1990) 133-140, 1990.
Inspire Record 294809 DOI 10.17182/hepdata.29717
2 data tables

No description provided.

Data read from graph.


No description provided.

No description provided.

No description provided.

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Measurement of the Reactions $e^+ e^- \to e^+ e^-$ and $e^+ e^- \to \gamma \gamma$ at $\sqrt{s}=52$-{GeV}

The VENUS collaboration Abe, Koya ; Amako, Katsuya ; Arai, Yasuo ; et al.
J.Phys.Soc.Jap. 56 (1987) 3767-3770, 1987.
Inspire Record 251276 DOI 10.17182/hepdata.38511
2 data tables

No description provided.

No description provided.


Measurement of the Processes $e^+ e^- \to e^+ e^-$ and $e^+ e^- \to \gamma \gamma$ at $\sqrt{s}=52$-{GeV}

The TOPAZ collaboration Adachi, I. ; Aihara, H. ; Dijkstra, H.B. ; et al.
Phys.Lett. B200 (1988) 391-396, 1988.
Inspire Record 251921 DOI 10.17182/hepdata.30010
4 data tables

Statistical errors only.

Statistical errors only.

Ratio of experimental data to prediction for lowest order QED. Statistical errors only.

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Experimental Study of the Reactions $e^+ e^- \to e^+ e^-$ and $e^+ e^- \to \gamma \gamma$ at 29-{GeV}

Derrick, M. ; Gan, K.K. ; Kooijman, P. ; et al.
Phys.Rev. D34 (1986) 3286, 1986.
Inspire Record 18585 DOI 10.17182/hepdata.23442
1 data table

No description provided.


Tests of Quantum Electrodynamics With 2, 3 and 4 Photon Final States From $e^+ e^-$ Annihilation at $\sqrt{s}=29$-{GeV}

Fernandez, E. ; Ford, William T. ; Qi, N. ; et al.
Phys.Rev. D35 (1987) 1, 1987.
Inspire Record 230165 DOI 10.17182/hepdata.23424
3 data tables

Errors are combined statistical and systematics.

No description provided.

Two 4gamma events are observed corresponding to a cross section of 0.02 PB.


Precision Test of {QED} by Direct Comparison of $e^+ e^- \to \gamma \gamma$ and $e^+ e^- \to e^+ e^-$ at 29-{GeV}

Derrick, M. ; Gan, K.K. ; Kooijman, P. ; et al.
Phys.Lett. B166 (1986) 468-472, 1986.
Inspire Record 17510 DOI 10.17182/hepdata.30311
1 data table

No description provided.


Measurement of the Reaction $e^+ e^- \to \gamma \gamma$ at {CMS} Energies From 9.4-{GeV} to 31.6-{GeV}

The PLUTO collaboration Berger, Christoph ; Genzel, H. ; Grigull, R. ; et al.
Phys.Lett. B94 (1980) 87-90, 1980.
Inspire Record 153120 DOI 10.17182/hepdata.27174
1 data table

No description provided.


Limits on Spin 0 Bosons in $e^+ e^-$ Annihilation Up to 45.2-{GeV} Center-of-mass Energy

The CELLO collaboration Behrend, H.J. ; Burger, J. ; Criegee, L. ; et al.
Phys.Lett. B140 (1984) 130-136, 1984.
Inspire Record 199851 DOI 10.17182/hepdata.30547
2 data tables

No description provided.

Figure actually gives the 95 PCT CL upper limits of the coupling constants for each process as a function of the mass of the intermediate spin zero boson.


Investigation of Two Photon Final States in $e^+ e^-$ Annihilation at $\sqrt{s}=34$.2-{GeV}

The CELLO collaboration Behrend, H.J. ; Chen, C. ; Fenner, H. ; et al.
Phys.Lett. B123 (1983) 127-132, 1983.
Inspire Record 182585 DOI 10.17182/hepdata.30780
2 data tables

Cross section for ABS(cos(theta)) <0.85.

No description provided.


Measurement of $e^+ e^- \to e^+ e^-$ and $e^+ e^- \to \gamma \gamma$ at Energies Up to 36.7-{GeV}

The CELLO collaboration Behrend, H.J. ; Chen, C. ; Field, J. ; et al.
Phys.Lett. B103 (1981) 148-152, 1981.
Inspire Record 165288 DOI 10.17182/hepdata.31169
2 data tables

No description provided.

No description provided.


Photon Pair Production by $e^+ e^-$ Annihilation and Search for Supersymmetric Photinos at Energies > 40-{GeV}

The TASSO collaboration Althoff, M. ; Braunschweig, W. ; Kirschfink, F.J. ; et al.
Z.Phys. C26 (1984) 337, 1984.
Inspire Record 204486 DOI 10.17182/hepdata.16194
2 data tables

No description provided.

No description provided.


Search for New Particles in $e^+ e^-$ Annihilation From 39.79-{GeV} to 45.52-{GeV}

Adeva, B. ; Barber, D.P. ; Becker, U. ; et al.
Phys.Rev.Lett. 53 (1984) 134, 1984.
Inspire Record 199819 DOI 10.17182/hepdata.20429
1 data table

No description provided.