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Scattering of positrons and electrons from protons

Bartel, W. ; Dudelzak, B. ; Krehbiel, H. ; et al.
Phys.Lett.B 25 (1967) 242-245, 1967.
Inspire Record 1389651 DOI 10.17182/hepdata.29449

The ration R = σ(e + = p)/σ(e − + p) of the elastic scattering cross section of positrons and electrons on protons was measured at momentum transfers of 11.66 fm −2 and 35.1 fm −2 . The results are consistent with R = 1.

1 data table
Table 1

No description provided.


The charge exchange $K^- + p \to K^0 + n$ at 9.50 GeV/c

Astbury, P. ; Finocchiaro, G. ; Michelini, A. ; et al.
Phys.Lett. 16 (1965) 328-331, 1965.
Inspire Record 1389639 DOI 10.17182/hepdata.30381

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Scaling of the $^{4}$He(γ,p)t reaction in the $E_\gamma$ = 80–160 MeV region

Schmieden, H. ; MacGregor, I.J.D. ; Owens, R.O. ; et al.
Phys.Lett.B 314 (1993) 284-288, 1993.
Inspire Record 1389619 DOI 10.17182/hepdata.28840

The 4 He( γ ,p) 3 H reaction cross section has been measured with tagged photons of energy 81–158 MeV. Protons were detected over the angular range 55°–125°. The scaling of the data as a function of momentum mismatch has been examined for two reaction models, the modified quasideuteron mechanism and quasifree knockout. Both models show clear scaling behaviour but comparison of the predicted and measured scaling function shapes favours the modified quasideuteron mechanism at momenta up to ≈500 MeV/ c .

7 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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$K^+ n$ charge exchange reaction at 3 GeV/c

Goldschmidt-Clermont, Y. ; Henri, V.P. ; Jongejans, B. ; et al.
Phys.Lett.B 27 (1968) 602-604, 1968.
Inspire Record 1389631 DOI 10.17182/hepdata.29205

About 100 000 pictures, with an average of ∼12K + per picture, taken in the 81 cm Saclay deuterium bubble chamber exposed to a separated 3 GeV/c K + beam have been analysed for the reaction K + d→K 0 pp in the 1-prong V 0 and 2-prong V 0 topologies. 214 such events have been found allowing a determination of the differential cross-section. A comparison with the prediction of Rarita and Schwarzschild yields reasonable agreement; in particular a large real part is inferred for the amplitude for the reaction K + n→K 0 p.

2 data tables
Table 1

The errors are statistical only.

Table 2

The errors are statistical only. To evaluate the cross section on neutron thE data are divided on (1-FORMFACTOR(C=DEUT). For definition of the formfactor see L. Durand, Phys. Rev. 115 (1959) 1020.


Elastic scattering and polarisation in 3.0 and 3.6 GeV/c antiproton-proton collisions

Escoubès, B. ; Fedrighini, A. ; Goldschmidt-Clermont, Y. ; et al.
Phys.Lett. 5 (1963) 132-136, 1963.
Inspire Record 1389108 DOI 10.17182/hepdata.751

None

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


Differential cross sections for backward π− p → nπ0 from 2.6 to 8 GeV/c

DeMarzo, C. ; Guerriero, L. ; Nicolini, C. ; et al.
Phys.Lett.B 56 (1975) 487-490, 1975.
Inspire Record 1389073 DOI 10.17182/hepdata.27860

We report differential cross sections for π − p → n π 0 in the backward hemisphere at incident momenta of 2.6, 3.5, 4.3, 6.0, and 8.0 GeV/c. We observe less pronounced structure than some previous measurements with a shallow dip displaced from that seen in π + p elastic scattering.

5 data tables
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Study of the reaction $\pi^- p \rightarrow \omega^0 n$ at momenta 20 to 50 GeV/c

Bolotov, V.N. ; Isakov, V.V. ; Kakauridze, D.B. ; et al.
Phys.Lett.B 53 (1974) 217-220, 1974.
Inspire Record 1388799 DOI 10.17182/hepdata.27929

The mass spectrum of 3γ states produced in π−p collisions has been studied. A peak corresponding to ωo→πoγ decay in the π−p→ωon reaction was selected. The measurements were performed at the IHEP accelerator at momenta 21, 25, 32.5, 40 and 48 GeV/c. The reaction cross section decreases with the momentum in a power form (∼P−2.4) The differential cross section follows exponential t-dependence, exp (bt). The scattering cone shrinks slowly with the energy increase.

1 data table
Table 1

No description provided.


Determination of the γ - π - ρ coupling constant from the −/+ ratio for photoproduction from deuterium

Pine, J. ; Bazin, M. ;
Phys.Lett. 5 (1963) 168-170, 1963.
Inspire Record 1388798 DOI 10.17182/hepdata.27961

None

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


Study of the reaction pi- p --> omega n at 3, 8, 6 and 8 GeV/c

Apel, W.D. ; Ausländer, J. ; Müller, H. ; et al.
Phys.Lett.B 55 (1975) 111-116, 1975.
Inspire Record 1388800 DOI 10.17182/hepdata.27881

Results are given for the production differential cross sections and the ω decay angular distribution in terms of the ω spin density matrix elements.

3 data tables
Table 1

PAPER ALSO GIVES OFF-DIAGONAL ELEMENTS OF THE ERROR COVARIANCE MATRIX.

Table 2

PAPER ALSO GIVES OFF-DIAGONAL ELEMENTS OF THE ERROR COVARIANCE MATRIX.

Table 3

No description provided.


Small-angle proton - proton scattering cross-sections at 144 MeV

Jarvis, O.N. ; Whitehead, C. ; Shah, M. ;
Phys.Lett.B 36 (1971) 409-411, 1971.
Inspire Record 1388795 DOI 10.17182/hepdata.28406

The differential cross-section in proton-proton scattering at 144 ± 1.5 MeV has been measured over the Coulomb-nuclear interference region. When the present data are included in a phase-shift analysis the resultant phas-shifts are only slightly changed from their previous values.

1 data table
Table 1

No description provided.