Goldhaber, G.
Integrated Cross Section
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High-Energy Proton-Proton Diffraction Scattering

Diddens, A.N. ; Lillethun, E. ; Manning, G. ; et al.
Phys.Rev.Lett. 9 (1962) 108-111, 1962.
Inspire Record 46802 DOI 10.17182/hepdata.21634

None

7 data tables
Table 1

This table from the from the Erratum.

Table 2

Table 1.

Table 3

Table 2.

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High-Energy Nucleon-Nucleon total Cross Sections

Diddens, A.N. ; Lillethun, E. ; Manning, G. ; et al.
Phys.Rev.Lett. 9 (1962) 32-34, 1962.
Inspire Record 944903 DOI 10.17182/hepdata.46

None

3 data tables
Table 1

'1'. '2'. '3'.

Table 2

No description provided.

Table 3

No description provided.


Total Cross Sections of Protons with Momentum Between 10 and 28 Gev/c

Ashmore, A. ; Cocconi, G. ; Diddens, A.N. ; et al.
Phys.Rev.Lett. 5 (1960) 576-578, 1960.
Inspire Record 944909 DOI 10.17182/hepdata.192

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Total Cross Sections for p, \bar{p}, K + /-, and pi + /- on Hydrogen Between 3 and 10 Gev/c

von Dardel, G. ; Frisch, D.H. ; Mermod, R. ; et al.
Phys.Rev.Lett. 5 (1960) 333-336, 1960.
Inspire Record 944910 DOI 10.17182/hepdata.197

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Nuclear Cross Sections for 1.4-Bev Neutrons

Coor, T. ; Hill, D.A. ; Hornyak, W.F. ; et al.
Phys.Rev. 98 (1955) 1369-1386, 1955.
Inspire Record 46644 DOI 10.17182/hepdata.248

Transmission measurements in good and poor geometry have been performed at the Brookhaven Cosmotron to measure the total and absorption cross sections of several nuclei for neutrons in the Bev energy range. The neutrons are produced by bombarding a Be target with 2.2-Bev protons. The neutron detector requires the incident particle to pass an anticoincidence counter and produce in an aluminum radiator a charged particle that will traverse a fourfold scintillation telescope containing 6 in. of lead. Contribution of neutrons below 800 Mev are believed small. The angular distribution of neutrons from the target is sharply peaked forward with a half-width of 6°. The integral angular distributions of diffraction scattered neutrons from C, Cu, and Pb are measured by varying the detector geometry. The angular half-width of these distributions indicates a mean effective neutron energy of 1.4±0.2 Bev. The total cross sections σH and σD−σH are measured by attenuation differences in good geometry of CH2-C and D2O-H2O, with the result: σH=42.4±1.8 mb, σD−σH=42.2±1.8 mb. The cross sections of eight elements from Be to U are measured in good and poor geometry, and the following values of the total and absorption cross sections are deduced (in units of millibrans): Experimental errors are about 3 percent in σtotal and 5 percent in σabsorption. An interpretation of these cross sections is given in terms of optical model parameters for two extreme nuclear density distributions: uniform (radius R) and Gaussian [ρ=ρ0exp−(ra)2]. The absorption cross-section data are well fitted with R=1.28A13 or a=0.32+0.62A13 in units of 10−13 cm. A nuclear density distribution intermediate between uniform and Gaussian will make the present results consistent with the recent electromagnetic radii.

2 data tables
Table 1

'ALL'.

Table 2

No description provided.


Scattering of 151- and 188-Mev Positive Pions by Protons

Homa, George ; Goldhaber, Gerson ; Lederman, Leon M. ;
Phys.Rev. 93 (1954) 554-561, 1954.
Inspire Record 944934 DOI 10.17182/hepdata.26417

A beam of ∼200-Mev π+ mesons was defined inside the vacuum chamber of the Nevis Cyclotron. Nuclear emulsions were exposed to a flux of about 104 mesons/cm2. The plates were scanned for pion-hydrogen scatterings and 103 such events were observed in two interaction energies, 151±7 Mev and 188±8 Mev. We obtain total cross sections of 152±31 and 159±34×10−27 cm2, respectively. The data suggest that the angular distribution changes from backwards peaked to almost symmetric over this energy interval. Our observations are not in agreement with the hypothesis of a P32-wave resonance in this energy region. The best fit to the combined results includes a D-wave contribution of -5.4°, although satisfactory agreement may be obtained with only S and P waves.

2 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////Due to flux, scanning efficiency, doubtful and background events, and thesmall uncertainty in the density of hydrogen in the emulsion).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////Due to flux, scanning efficiency, doubtful and background events, and thesmall uncertainty in the density of hydrogen in the emulsion).