Waggoner, James A.
DSIG/DOMEGA
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Coincidence electroproduction of single neutral pions in the resonance region at q 2 = 0.5 (GeV/ c ) 2

Latham, A. ; Allison, J. ; Booth, I. ; et al.
Nucl.Phys.B 156 (1979) 58-92, 1979.
Inspire Record 1392686 DOI 10.17182/hepdata.836

Data are presented for the reaction ep → ep π 0 at a nominal four-momentum transfer squared of 0.5 (GeV/ c ) 2 . The data were obtained using an extracted electron beam from NINA and two magnetic spectrometers for coincidence detection of the electron and proton. Details are given of the experimental method and the results are given for isobar masses in the range 1.19 – 1.73 GeV/ c 2 .

21 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Differential cross section for elastic n+d scattering and n+d break-up quasi free-scattering at 67 MeV

Balewski, J. ; Bodek, K. ; Jarczyk, L. ; et al.
Nucl.Phys.A 581 (1995) 131-144, 1995.
Inspire Record 1389771 DOI 10.17182/hepdata.36531

The differential cross sections for the n+d elastic scattering and for the 2H(n,np)n break-up reaction in the np quasi-free scattering configuration was measured at 67 MeV. The experimental data are compared with results of the calculations based on a rigorous solution of the three-nucleon Faddeev equations using meson-exchange potentials. Good agreement is found between experiment and theory for the n+d elastic-scattering cross section while in the case of np quasi-free scattering the theoretical predictions overestimate the data at neutron angles larger than 40° by about 30%.

6 data tables
Table 1

No description provided.

Table 2

CROSS SECTION FOR THE N P QUASI-FREE SCATTERING CONFIGURATION.

Table 3

CROSS SECTION FOR THE N P QUASI-FREE SCATTERING CONFIGURATION.

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Discontinuous behaviour in large angle proton-proton elastic scattering at high energies

Allaby, J.V. ; Cocconi, G. ; Diddens, A.N. ; et al.
Phys.Lett.B 25 (1967) 156-159, 1967.
Inspire Record 1389227 DOI 10.17182/hepdata.754

Measurements of elastic proton-proton differential cross sections for angles between 65° and 90° c.m.s. have been made at 8, 9, 10, 11, 14, 15 and 21 GeV/c. The shape of the angular distribution is found to change suddenly between 8 and 11 GeV/c. An interpretation of this discontinuous behaviour in terms of the reactive effects of baryon-antibaryon pair production is proposed.

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Backward π p elastic scattering at 2.85 and 3.30 GeV/c

Baker, W.F. ; Carlson, P.J. ; Chabaud, V. ; et al.
Phys.Lett.B 25 (1967) 361-364, 1967.
Inspire Record 1389663 DOI 10.17182/hepdata.29442

Backward elastic scattering has been measured for π + p at 2.85 and 3.30 GeV/ c and for π − p at 3.30 GeV/ c . The π + p angular distributions show steep backward peaks, whereas the π − p distribution is flatter. At 2.85 GeV/ c the π + p differential cross section close to 180° is more than twice that at 3.30 GeV/ c , supporting the assignment J P = 11 2 + for Δ δ (2420) resonance. The π + p data at 2.85 GeV/ c indicate the onset of a dip at cos θ c.m. ≈ −0.97.

3 data tables
Table 1

The data for cos(theta) = 1 is the extrapolation.

Table 2

The data for cos(theta) = 1 and U = 0 are the extrapolations.

Table 3

The data for cos(theta) = 1 and U = 0 are the extrapolations.


The angular distribution of backward elastically scattered pions at 3.55 GeV/c

Baker, W.F. ; Carlson, P.J. ; Chabaud, V. ; et al.
Phys.Lett. 23 (1966) 605-609, 1966.
Inspire Record 1389621 DOI 10.17182/hepdata.29776

The elastic scattering of 3.55 GeV/ c π + and π − mesons by protons was measured at centre-of-mass angles between 165° and 177°. The angular distributions for 864 events show a steeply rising backward peak for π + p, while the shape is less clear for π − p.

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

Extrapolations.


Phase shift analysis of K+p elastic scattering at 780 MeV/c

Focardi, S. ; Minguzzi-Ranzi, A. ; Monari, L. ; et al.
Phys.Lett.B 24 (1967) 90461 314-317, 1967.
Inspire Record 1389646 DOI 10.17182/hepdata.29618

A phase shift analysis of the K+p elastic scattering at 780 MeV/c has been performed. The experimental differential cross section is best explained by a solution with dominant s wave, negative s wave phase shift (−42.7 ± 1 deg.) and small contributions of p and d waves.

1 data table
Table 1

Corrected for PI+ P events and scanning efficiency.


Backward Kp elastic scattering at 3.55 GeV/c

Banaigs, J. ; Berger, J. ; Bonnel, C. ; et al.
Phys.Lett.B 24 (1967) 90462 317-320, 1967.
Inspire Record 1389626 DOI 10.17182/hepdata.29619

Backward elastic K+p and K−p scattering has been measured in the angular interval 168o <θc.m. < 177o. We find (dσ/dΩ) K+p → pK+ = 17 ± 4 μb/sr and (dσ/dΩ)K−p → pK− < 0.6 μb/sr. K+p elastic scattering exhibits a backward peak.

2 data tables
Table 1

The data for cos(theta) = 1 is the extrapolation.

Table 2

The data for cos(theta) = 1 is the extrapolation.


The Scattering of $\pi^{+}-$ Mesons on Hydrogen. I. Angular Distributions at Energies of 176, 200, 240, 270 and 307 MeV

Mukhin, A. I. ; Ozerov, E. B. ; Pontecorvo ;
Sov.Phys.JETP 4 (1957) 237-250, 1957.
Inspire Record 1388439 DOI 10.17182/hepdata.1187

None

6 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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High-precision Measurements of piP Elastic Differential Cross Sections in the Second Resonance Region

The EPECUR collaboration Alekseev, I.G. ; Andreev, V.A. ; Bordyuzhin, I.G. ; et al.
Phys.Rev.C 91 (2015) 025205, 2015.
Inspire Record 1323450 DOI 10.17182/hepdata.67659

Cross sections for pi+-p elastic scattering have been measured to high precision, for beam momenta between 800 and 1240 MeV/c, by the EPECUR Collaboration, using the ITEP proton synchrotron. The data precision allows comparisons of the existing partial-wave analyses (PWA) on a level not possible previously. These comparisons imply that updated PWA are required.

249 data tables
Table 1

Differential cross section of elastic $\pi^+$p-scattering at P= 800.25 MeV/c. Errors shown are statistical only.

Table 2

Differential cross section of elastic $\pi^+$p-scattering at P= 803.75 MeV/c. Errors shown are statistical only.

Table 3

Differential cross section of elastic $\pi^+$p-scattering at P= 807.25 MeV/c. Errors shown are statistical only.

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Measurement of the g p -> K^0 Sigma^+ reaction with the Crystal Ball/TAPS detectors at the Mainz Microtron

The A2 collaboration Aguar-Bartolome, P. ; Annand, J.R.M. ; Arends, H.J. ; et al.
Phys.Rev.C 88 (2013) 044601, 2013.
Inspire Record 1237227 DOI 10.17182/hepdata.64391

The g p -> K^0 Sigma^+ reaction has been measured from threshold to Eg=1.45 GeV (W_cm=1.9 GeV) using the Crystal Ball and TAPS multiphoton spectrometers together with the photon tagging facility at the Mainz Microtron MAMI. In the present experiment, this reaction was searched for in the 3pi^0 p final state, by assuming K^0_S -> pi^0 pi^0 and Sigma^+ -> pi^0 p. The experimental results include total and differential cross sections as well as the polarization of the recoil hyperon. The new data significantly improve empirical knowledge about the g p -> K^0 Sigma^+ reaction in the measured energy range. The results are compared to previous measurements and model predictions. It is demonstrated that adding the present g p -> K^0 Sigma^+ results to existing data allowed a better description of this reaction with various models.

4 data tables
Table 1

The differential cross section for photon energies 1125, 1175 and 1225 MeV.

Table 2

The differential cross section for photon energies 1275, 1325, 1375 and 1425 MeV.

Table 3

The recoil polarization of the SIGMA+ for photon energy 1125, 1175 and 1225 MeV.

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