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Analysis of the reaction gamma n ---> p pi- in the first and second resonance regions

Rossi, V. ; Piazza, A. ; Susinno, G. ; et al.
Nuovo Cim.A 13 (1973) 59-89, 1973.
Inspire Record 87242 DOI 10.17182/hepdata.37785

The final results of an experimental investigation of the reaction γ+n→p+π− performed with a deuterium bubble chamber at the 1 GeV Frascati electrosynchrotron are presented. Total and differential cross-sections on neutrons are extracted by means of the spectator model, the reliability of which has been checked by numerous tests and is extensively discussed. The problems of a possible isotensor component in the electromagnetic current, the time-reversal invariance of the electromagnetic interactions and the photoproduction of the Roper resonance are considered in detail.

21 data tables
Table 1

No description provided.

Table 2

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Table 3

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Asymmetry of the cross section of gamma d ---> pi0 d reaction at photon energy of 350 mev

Ganenko, V.B. ; Gorbenko, V.G. ; Zhebrovskii, Yu.V. ; et al.
Pisma Zh.Eksp.Teor.Fiz. 18 (1973) 483-486, 1973.
Inspire Record 87826 DOI 10.17182/hepdata.39926

None

1 data table
Table 1

No description provided.


Coherent pi0 photoproduction on deuterium in the first resonance region

Von Holtey, G. ; Knop, G. ; Stein, H. ; et al.
Z.Phys. 259 (1973) 51-59, 1973.
Inspire Record 76582 DOI 10.17182/hepdata.16658

Differential cross sections for coherent π0-photoproduction from deuterium have been measured in the photon energy range from 240 to 400 MeV and for pion c.m. angles between 70 ° and 160 °. The recoil deuterons were analysed in angle and momentum by a magnetic spectrometer. The cross sections obtained were higher by a factor of about 2 compared with the results from Stanford [7], the only data available up to now in the first resonance region. Below the resonance the measured cross sections give a smooth extension to the low energy data from Glasgow [5] and Orsay [6].

1 data table
Table 1

No description provided.


Photoproduction of single eta-mesons on nuclei at e(gamma)=2 gev

Abramyan, L.O. ; Aganyants, Aleksandr O. ; Adamyan, F.V. ; et al.
Yad.Fiz. 18 (1973) 817-824, 1973.
Inspire Record 84598 DOI 10.17182/hepdata.18382

None

1 data table
Table 1

No description provided.


On investigation of dependences of the yields of pions and protons, produced at theta(lab)=90 degrees at e(gamma)max=400 mev upon nucleus mass number

Goncharov, N.V. ; Derebchinskii, A.I. ; Konovalov, O.G. ; et al.
Yad.Fiz. 17 (1973) 242-249, 1973.
Inspire Record 85158 DOI 10.17182/hepdata.18374

None

5 data tables
Table 1

No description provided.

Table 2

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Table 3

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Determination of the cross-section of photondisintegration of emulsion nuclei by 1-4.5 gev gamma-quanta

Galstyan, Dzh.A. ; Zverev, A.M. ; Mameev, V.V. ; et al.
Yad.Fiz. 17 (1973) 906-909, 1973.
Inspire Record 85098 DOI 10.17182/hepdata.18352

None

1 data table
Table 1

No description provided.


Photoproduction of single pi+- mesons on nuclei at e(gamma)=2 and 3 gev. parameters of proton-neutron distribution in nuclei

Abramyan, S.R. ; Aganyants, Aleksandr O. ; Adamyan, F.V. ; et al.
Yad.Fiz. 16 (1972) 739-747, 1972.
Inspire Record 85228 DOI 10.17182/hepdata.18402

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Nuclear absorption cross-sections for pions, kaons, protons, and anti-protons in the momentum range 6-60 gev/c

Gorin, Yu.P. ; Denisov, S.P. ; Donskov, S.V. ; et al.
Yad.Fiz. 18 (1973) 336-347, 1973.
Inspire Record 84864 DOI 10.17182/hepdata.18400
10 data tables
Table 1

No description provided.

Table 2

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Table 3

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Real part of spinless p p-scattering amplitude at zero angle in the energy region from 0.135 to 1.700 gev/c

Amirkhanov, I.V. ; Bystritskii, V.M. ; Vertogradov, L.S. ; et al.
Yad.Fiz. 17 (1973) 1222-1224, 1973.
Inspire Record 85077 DOI 10.17182/hepdata.19177

None

1 data table
Table 1

FORWARD AMPLITUDE DEDUCED FROM D(SIG)/DOMEGA IN COULOMB-NUCLEAR INTERFERENCE REGION.


Slope parameter and real part of the p n elastic scattering amplitude in the energy range 10-70 gev

Beznogikh, G.G. ; Buyak, A. ; Zhidkov, N.K. ; et al.
Yad.Fiz. 18 (1973) 348-352, 1973.
Inspire Record 84825 DOI 10.17182/hepdata.19178

None

1 data table
Table 1

FOR -T = 0.002 TO 0.05 GEV**2.