Measurements of the pi- p --> pi0 n Forward Scattering Cross-Section in the Energy Region 400-MeV-600-MeV

Kravtsov, A.V. ; Kuzmin, L.A. ; Nemozhenko, O.N. ; et al.
Nucl.Phys.B 140 (1978) 279-284, 1978.
Inspire Record 135966 DOI 10.17182/hepdata.34984

The forward charge-exchange differential cross section has been measured using two Čerenkov spectrometers at five energies of incident pions. The resulting cross-section values are 4.02 ± 0.22, 3.61 ± 0.13, 4.19 ± 0.13, 3.91 ± 0.12, 3.02 ± 0.14 mb/sr at incident pion energies 400, 450, 500, 550 and 600 MeV, respectively. These values are in a good agreement with dispersion-relation predictions.

1 data table match query

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MEASUREMENT OF DIFFERENTIAL CROSS-SECTIONS OF pi+ p AND pi- p ELASTIC SCATTERING IN THE REGION 425-MeV TO 640-MeV

Gordeev, V.A. ; Koptev, V.P. ; Kruglov, S.P. ; et al.
Sov.J.Nucl.Phys. 29 (1979) 339, 1979.
Inspire Record 132291 DOI 10.17182/hepdata.1059

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1 data table match query

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Differential Cross-Sections for pi- p and pi+ p Elastic Scattering Between 400-GeV/c and 590-MeV/c

Gordeev, V.A. ; Koptev, V.P. ; Kruglov, S.P. ; et al.
Yad.Fiz. 24 (1976) 1144-1151, 1976.
Inspire Record 113036 DOI 10.17182/hepdata.18345

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10 data tables match query

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Quasi-free Compton Scattering and the Polarizabilities of the Neutron

Kossert, K. ; Camen, M. ; Wissmann, F. ; et al.
Eur.Phys.J.A 16 (2003) 259-273, 2003.
Inspire Record 599960 DOI 10.17182/hepdata.43752

Differential cross sections for quasi-free Compton scattering from the proton and neutron bound in the deuteron have been measured using the Glasgow/Mainz tagging spectrometer at the Mainz MAMI accelerator together with the Mainz 48 cm $\oslash$ $\times$ 64 cm NaI(Tl) photon detector and the G\"ottingen SENECA recoil detector. The data cover photon energies ranging from 200 MeV to 400 MeV at $\theta^{LAB}_\gamma=136.2^\circ$. Liquid deuterium and hydrogen targets allowed direct comparison of free and quasi-free scattering from the proton. The neutron detection efficiency of the SENECA detector was measured via the reaction $p(\gamma,\pi^+ n)$. The "free" proton Compton scattering cross sections extracted from the bound proton data are in reasonable agreement with those for the free proton which gives confidence in the method to extract the differential cross section for free scattering from quasi-free data. Differential cross sections on the free neutron have been extracted and the difference of the electromagnetic polarizabilities of the neutron have been obtained to be $\alpha-\beta= 9.8\pm 3.6(stat){}^{2.1}_1.1(syst)\pm 2.2(model)$ in units $10^{-4}fm^3$. In combination with the polarizability sum $\alpha +\beta=15.2\pm 0.5$ deduced from photoabsorption data, the neutron electric and magnetic polarizabilities, $\alpha_n=12.5\pm 1.8(stat){}^{+1.1}_{-0.6}\pm 1.1(model)$ and $\beta_n=2.7\mp 1.8(stat){}^{+0.6}_{-1.1}(syst)\mp 1.1(model)$ are obtained. The backward spin polarizability of the neutron was determined to be $\gamma^{(n)}_\pi=(58.6\pm 4.0)\times 10^{-4}fm^4$.

1 data table match query

Energy dependence of the free-proton differential cross section.