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Lepton and pion pair production in γγ collisions measured near the threshold at DCI

Courau, A. ; Falvard, A. ; Haissinski, J. ; et al.
Nucl.Phys.B 271 (1986) 86800013 1-20, 1986.
Inspire Record 232808 DOI 10.17182/hepdata.38240

This paper reports a complete analysis of data taken at DCI to measure lepton and pion pair production close to the threshold in two-photon processes: e<sup loc="post">+</sup>e<sup loc="post">−</sup> → e<sup loc="post">+</sup>e<sup loc="post">−</sup>(e<sup loc="post">+</sup>e<sup loc="post">−</sup>, μ<sup loc="post">+</sup>μ<sup loc="post">−</sup>, π<sup loc="post">+</sup>π<sup loc="post">−</sup>). Preliminary results have been previously published including one-half of the total statistics. Final results presented here are in good agreement with QED for lepton pair production. The measured cross section for pion pair production is twice as large as that expected from Born terms only — a two standard deviation effect.

1 data table
Table 1

Normalised to number of observed electron pairs. Fully corrected for acceptance, radiative effects etc.


DETERMINING INELASTIC INTERACTION CROSS-SECTIONS FOR NUCLEONS AND PIONS INCIDENT ON CARBON AND LEAD NUCLEI AT 0.5-TEV - 5-TEV

Avakian, V.V. ; Gevorkian, S.P. ; Zhamkochian, V.M. ; et al.
Bull.Russ.Acad.Sci.Phys. 50N11 (1986) 4-7, 1986.
Inspire Record 242221 DOI 10.17182/hepdata.41509

None

1 data table
Table 1

No description provided.


CORRELATING CUMULATIVE PROTONS IN HADRON - NUCLEAR INTERACTIONS

Bayukov, Yu.D. ; Vlasov, A.V. ; Vorobev, L.S. ; et al.
ITEP-86-99, 1986.
Inspire Record 231057 DOI 10.17182/hepdata.40094

None

1 data table
Table 1

No description provided.


SEARCH FOR EXOTIC BARYON RESONANCES WITH ISOSPIN I = 5/2 IN pi+ p REACTIONS AT 3.94-GeV/c pi+ MESON MOMENTA

Arefev, A.V. ; Bayukov, Yu.D. ; Grishuk, Yu.G. ; et al.
ITEP-86-150, 1986.
Inspire Record 234870 DOI 10.17182/hepdata.40112

None

1 data table
Table 1

No description provided.


PROTON AND DEUTERON PRODUCTION AT ANGLES OF 135-DEGREES +- 6-DEGREES IN INCLUSIVE REACTIONS WITH CARBON NUCLEI AT INCIDENT PI- MESONS WITH 0.85-GEV/C - 2.5-GEV/C MOMENTA. (IN RUSSIAN)

Burgov, N.A. ; Gerzon, S.A. ; Kiselev, Yu.T. ; et al.
Moscow Inst. Theor. Exp. Phys. Gkae - ITEF-86-008 (86,REC.FEB.) 14p, 1986.
Inspire Record 229290 DOI 10.17182/hepdata.40113

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


FORWARD PRODUCTION OF pi0 MESONS IN THE MANY PARTICLE REACTION pi- p ---> pi0 pi+ pi- pi- p AT 4.5-GeV/c MOMENTA

Aleshin, Yu.D. ; Vovk, A.I. ; Drutskoi, A.G. ; et al.
Yad.Fiz. 46 (1987) 1701-1705, 1987.
Inspire Record 233548 DOI 10.17182/hepdata.40132

None

1 data table
Table 1

No description provided.


STUDY OF PRODUCTION OF B- (1235) MESONS IN REACTIONS pi- p ---> B- p AT 4.5-GeV/c MOMENTA

Aleshin, Yu.D. ; Vovk, A.I. ; Drutskoi, A.G. ; et al.
Sov.J.Nucl.Phys. 45 (1987) 1115, 1987.
Inspire Record 233180 DOI 10.17182/hepdata.40131

None

1 data table
Table 1

No description provided.


STUDY OF THE BARYON EXCHANGE REACTION pi+ p ---> DELTA++ rho0 AT MOMENTUM 3.94-GeV/c

Arefev, A.V. ; Bayukov, Yu.D. ; Grishuk, Yu.G. ; et al.
ITEP-86-76, 1986.
Inspire Record 230667 DOI 10.17182/hepdata.40119

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Production of Cumulative Protons at Momenta 0.6-{GeV}/$c$ to 1.83-{GeV}/$c$

Boyarinov, S.V. ; Gerzon, S.A. ; Kats, M.M. ; et al.
Sov.J.Nucl.Phys. 46 (1987) 871, 1987.
Inspire Record 233179 DOI 10.17182/hepdata.40173

None

3 data tables

CORRELATION OF PROTONS AND DEUTERONS WITH DEUTERIUM IN PROTON - NUCLEUS INTERACTIONS

Vlasov, A.V. ; Gavrilov, V.B. ; Degtyarenko, P.V. ; et al.
ITEP-86-174, 1986.
Inspire Record 237962 DOI 10.17182/hepdata.40118

None

5 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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