Agakishiev, G.N.
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INCLUSIVE pi0 PHOTOPRODUCTION AND THE QUARK - PARTON MODEL

The LAMP2 Group collaboration Barber, D.P. ; Dainton, J.B. ; Lee, L.C.Y. ; et al.
Phys.Lett.B 77 (1978) 233-239, 1978.
Inspire Record 129937 DOI 10.17182/hepdata.27429

We present measurements on the inclusive structure function for π 0 photoproduction for the incident photon energy range of 2.8–4.8 GeV. Comparisons are made with electroproduction data and it is found that the scaling behaviour already observed for finite q 2 continues to be valid at q 2 = 0.

1 data table
Table 1

No description provided.


FORWARD pi- p ELASTIC SCATTERING AT 40-GeV/c

Apokin, V.D. ; Matulenko, Yu.A. ; Nurushev, S.B. ; et al.
Sov.J.Nucl.Phys. 28 (1978) 786, 1978.
Inspire Record 130964 DOI 10.17182/hepdata.18967

None

2 data tables
Table 1

No description provided.

Table 2

REAL/IMAG OF FORWARD AMPLITUDE FROM FIT TO D(SIG)/DT.


Forward and Wide Angle Elastic $\phi$ - Meson Photoproduction on Hydrogen Between 2.8-{GeV} and 4.8-{GeV}

The LAMP2 Group collaboration Barber, D.P. ; Dainton, J.B. ; Lee, L.C.Y. ; et al.
Phys.Lett.B 79 (1978) 150-156, 1978.
Inspire Record 131968 DOI 10.17182/hepdata.27382

The s and t dependence of φ (1019) photoproduction has been investigated in the incident photon energy range 2.8 to to 4.8 GeV. Differential cross-sections and density matrix elements are presented for a t range extending from t min out to −1.3 (GeV/ c ) 2 . The results are discussed in terms discussed in terms of an effective Regge trajectory in the t -channel.

5 data tables
Table 1

DIFFERENTIAL CROSS SECTIONS AVERAGED OVER TWO RANGES OF INCIDENT PHOTON ENERGY.

Table 2

VARIATION OF SMALL -T DIFFERENTIAL CROSS SECTION WITH PHOTON ENERGY.

Table 3

INTERCEPT AND SLOPE FROM FITS TO D(SIG)/DT AT SMALL -T.

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Charged $\rho$ Photoproduction in the Energy Range 2.8-{GeV} - 4.8-{GeV}

Barber, D.P. ; Dainton, J.B. ; Lee, L.C.Y. ; et al.
Z.Phys.C 2 (1979) 1-6, 1979.
Inspire Record 140681 DOI 10.17182/hepdata.16353

Measurements of the photoproduction processes γρ→ρ+n and γρ→ρ-Δ++ (1236) are reported in the energy range 2.8 to 4.8 GeV. The data show shrinkage of the differential cross section in this energy region for the process γρ→ρ-Δ++ (1236); no shrinkage is observed for the ρ+n process. The energy dependences of the ρ+n and ρ-Δ++ (1236) total cross sections are much steeper than current model prediction. The ρ spin density matrices for each process are also presented.

3 data tables
Table 1

No description provided.

Table 2

SLOPE AND INTERCEPT OF D(SIG)/DT.

Table 3

No description provided.


Photoproduction of $\rho^\prime$ (1.2) and $\rho^\prime$ (1.6) in the Final States $\pi^{+} \pi^{-} \pi^{+} \pi^{-}$ and $\pi^{+} \pi^{-} \pi^0 \pi^0$

The LAMP2 Group collaboration Barber, D.P. ; Dainton, J.B. ; Lee, L.C.Y. ; et al.
Z.Phys.C 4 (1980) 169, 1980.
Inspire Record 141585 DOI 10.17182/hepdata.15607

The elastic photoproduction of four pions has been studied at incident photon energies between 2.8 and 4.8 GeV. Production cross-sections are presented and an analysis of the angular decay correlations is also described, indicating a large 1− contribution in both final states, π+ π− π+ π− and π+ π− π0 π0. A quantitative understanding of these and other available 4π photoproduction data in terms of the ρ′(∼1.2GeV) and the ρ′(∼1.6) is presented.

2 data tables
Table 1

WITH OMEGA/RHO DECAY PARAMETRIZATION.

Table 2

WITH OMEGA/A1 DECAY PARAMETRIZATION.


Inclusive Slow Proton and $\Delta^{++}$ (1236) Resonance Production in $\pi^+ p$ Interactions at 32-{GeV}/$c$

Azhinenko, I.V. ; Belokopytov, Yu.A. ; Chliapnikov, P.V. ; et al.
Sov.J.Nucl.Phys. 31 (1980) 494, 1980.
Inspire Record 144016 DOI 10.17182/hepdata.18016

None

15 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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INVESTIGATIONS OF THE ANGULAR DISTRIBUTIONS OF PROTONS EMITTED FROM NUCLEI IN pi+, pi-. INTERACTIONS AT MOMENTA OF 1.2-GeV/c TO 7.0-GeV/c

Barkov, B.P. ; Bayukov, Yu.D. ; Bobchenko, B.M. ; et al.
ITEP-58-1980, 1980.
Inspire Record 154421 DOI 10.17182/hepdata.40307

None

6 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Limitations on Production Cross-section of Neutral Penetrating Particles in 70-{GeV}/c $p N$ Collisions

Agakishiev, G.N. ; Vovenko, A.S. ; Goryachev, V.N. ; et al.
Sov.J.Nucl.Phys. 32 (1980) 345, 1980.
Inspire Record 153106 DOI 10.17182/hepdata.41494

None

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


Photoproduction of $\pi \Delta(1232)$ From Hydrogen in the Energy Range 2.4-{GeV} to 4.8-{GeV}

The LAMP2 Group collaboration Barber, D.P. ; Dainton, J.B. ; Lee, L.C.Y. ; et al.
Z.Phys.C 6 (1980) 93, 1980.
Inspire Record 153944 DOI 10.17182/hepdata.14328

We present differential cross sections andΔ++ spin density matrix elements for the photoproduction processγp→π−Δ++ and differential cross sections for the processγp→π+Δ0. The incident photon energy dependence is studied and a comparison is made with previous experiments and with the predictions of a theoretical model.

5 data tables
Table 1

DIFFERENTIAL CROSS SECTION AVERAGED OVER WHOLE ENERGY RANGE.

Table 2

DIFFERENTIAL CROSS SECTION AVERAGED OVER WHOLE ENERGY RANGE.

Table 3

DIFFERENTIAL CROSS SECTION FOR DIFFERENT ENERGY RANGES.

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Strangeness Exchange in the Photoproduction of $K^+ \Lambda$ (1520) Between 2.8-{GeV} and 4.8-{GeV}

Barber, D.P. ; Dainton, J.B. ; Lee, L.C.Y. ; et al.
Z.Phys.C 7 (1980) 17, 1980.
Inspire Record 153887 DOI 10.17182/hepdata.14096

A tagged photon beam (2.8

3 data tables
Table 1

FITTED CROSS SECTION ENERGY DEPENDENCE IS SIG = (6.7 +- 0.7 MUB*GEV**2) * P**(-2.1 +- 0.2), INCLUDING HIGHER ENERGY DATA.

Table 2

EXPONENTIAL SLOPE IS 6.1 +- 2.0 GEV**-2 FOR -T = 0.2 TO 0.7 GEV**2.

Table 3

No description provided.