Proton-Proton Elastic Scattering at 90-degrees and Structure Within the Proton

Akerlof, C.W. ; Hieber, R.H. ; Krisch, A.D. ; et al.
Phys.Rev.Lett. 17 (1966) 1105-1109, 1966.
Inspire Record 945161 DOI 10.17182/hepdata.26580

None

1 data table

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Elastic Scattering of 600-MeV Protons from H, D, He-3, and He-4

Boschitz, E.T. ; Roberts, W.K. ; Vincent, J.S. ; et al.
Phys.Rev.C 6 (1972) 457-466, 1972.
Inspire Record 79822 DOI 10.17182/hepdata.25567

The elastic scattering of 600-MeV protons from light nuclei has been studied at the National Aeronautics Space Administration Space Radiation Effects Laboratory (SREL) synchrocyclotron. Differential cross sections have been obtained for the scattering of protons from hydrogen, deuterium, helium-3, and helium-4. Polarization was measured for deuterium and He4 nuclei. The p−p cross-section data are in excellent agreement with the predictions from the Livermore phase shifts. Small-angle p−D, p−He3 elastic scattering data are compared with calculations based on the multiple-scattering theories of Watson and Glauber.

6 data tables

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Large t Elastic Proton Proton Scattering at s**(1/2) = 53-GeV

de Kerret, H. ; Nagy, E. ; Regler, M. ; et al.
Phys.Lett.B 62 (1976) 363-365, 1976.
Inspire Record 108743 DOI 10.17182/hepdata.27660

New experimental results are presented on proton-proton elastic scattering in the range of momentum transfer 0.8GeV 2 < − t < 9 GeV 2 at a centre-of-mass energy of √ s = 53 GeV. The data are obtained sing the Split-Field- Magnet Detector at the CERN Intersecting Storage Rings. The cross section has well-known minimum at − t = (1.34±0.02) GeV 2 but no further minimum or change of slope is observed between 2 and 6.5 GeV 2 .

1 data table

Axis error includes +- 0.0/0.0 contribution (?////THE QUOTED ERRORS ARE THE QUADRATIC SUM OF STATISTICAL AND ESTIMATED SYSTEMATIC ERRORS. THE SYSTEMATIC ERRORS ARE NOT INDEPENDENT FROM BIN TO BIN).


Measurement of Spin Spin Correlation Parameter C(NN) in Proton Proton Scattering at 6-GeV/c

Hicks, G. ; Miller, D. ; Wilson, C. ; et al.
Phys.Rev.D 12 (1975) 2594, 1975.
Inspire Record 91591 DOI 10.17182/hepdata.24849

As part of a program to determine proton-proton elastic-scattering amplitudes, we have measured the spin-spin correlation parameter CNN at 6 GeV/c. Measurements were made over the |t| range of 0.08 to 1.4 (GeV/c)2 using a polarized beam and a polarized target at the Argonne National Laboratory Zero Gradient Synchrotron.

1 data table

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Measurement of the Spin Spin Correlation Parameter C(SS) in p p Elastic Scattering at 6-GeV/c

Auer, I.P. ; Hill, D. ; Miller, R.C. ; et al.
Phys.Rev.Lett. 37 (1976) 1727, 1976.
Inspire Record 4268 DOI 10.17182/hepdata.21043

We have made the first measurement of the spin-spin correlation parameter CSS in pp elastic scattering at 6 GeV/c over the |t| range from 0.05 to 1.5 (GeV/c)2. The measured CSS data points are all negative, and their absolute values increase with |t|. The results are compared with some existing attempts to describe the pp scattering process.

1 data table

NUMERICAL VALUES OBTAINED FROM AUTHORS. MAGNETIC FIELD ALIGNMENT AND APERTURE EFFECTS MEAN THAT QUANTITY ACTUALLY MEASURED IS 0.98 CSS + 0.02 CNN - 0.12 CSL. SEE LATER NUMBERS IN THE RECORD OF I. P. AUER ET AL., PL 70B, 475 (1977).


Polarization in p p Elastic Scattering at Small |t|

Klem, R.D. ; Courant, H.W. ; Lee, J. ; et al.
Phys.Rev.D 15 (1977) 602-603, 1977.
Inspire Record 124114 DOI 10.17182/hepdata.24547

We have measured the polarization parameter for proton-proton elastic scattering at p0 = 6 GeV/c for |t|<0.5 (GeV/c)2 using the polarized proton beam at the Argonne Zero Gradient Synchrotron. These data, together with all previous measurements in this t region, are well fitted by the empirical relation P = (0.481±0.010)(−t)12exp(2.291±0.085)t.

1 data table

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Measurement of the Polarization Parameter in 24-GeV/c Proton Proton Elastic Scattering at Small Momentum Transfers

Crabb, D.G. ; Green, K. ; Kyberd, P. ; et al.
Nucl.Phys.B 121 (1977) 231-236, 1977.
Inspire Record 124254 DOI 10.17182/hepdata.35517

A measurement of the polarization parameter P 0 in pp elastic scattering has been made at 24 GeV/ c over the range | t | = 0.1 to 0.9 (GeV/ c ) 2 , positive, falling to zero around | t | = 0.8 (GeV/ c ) 2 . For the range 0.1 ⪕ |t| ⪕ 0.4 GeV /c) 2 , P 0 is constant at about 0.03.

1 data table

Axis error includes +- 5/5 contribution (SYS-ERR DUE MAINLY TO UNCERTAINTY IN KNOWLEDGE OF ABSOLUTE VALUE OF TARGET POLARIZATION).


The Real Part of the Forward Proton Proton Scattering Amplitude Measured at the CERN Intersecting Storage Rings

Amaldi, U. ; Cocconi, G. ; Diddens, A.N. ; et al.
Phys.Lett.B 66 (1977) 390-394, 1977.
Inspire Record 110800 DOI 10.17182/hepdata.27584

The real part of the proton proton elastic scattering amplitude has been determined from its interference with the Coulomb amplitude at total centre-of-mass energies up to 62 GeV. The observed steady increase of ϱ with energy indicates that the total proton proton cross section continues to increase well beyond this energy.

2 data tables

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USING SIG AND SLOPE OBTAINED FROM INTERPOLATIONS OF PREVIOUS MEASUREMENTS.


Experimental Results on Large Angle Elastic p p Scattering at the CERN ISR

Kwak, N. ; Lohrmann, E. ; Nagy, E. ; et al.
Phys.Lett.B 58 (1975) 233, 1975.
Inspire Record 99556 DOI 10.17182/hepdata.27800

New experimental results are presented on proton-proton elastic scattering at centre-of-mass energies s =23 GeV and s =62 GeV . The data are obtained using the Split Field Magnet detector at the CERN Intersecting Storage Rings. The absolute differential cross-sections show an energy-dependent behaviour. The position of the diffraction minimum changes from t =(−1.44±0.02)GeV 2 at 23 GeV to (−1.26±0.03)GeV 2 at 62 GeV. The cross-section at the second maximum is increasing with s . The connection of these observations with the hypothesis of “geometrical scaling” is discussed.

2 data tables

63 K EVENTS.

380 K EVENTS.


Polarization structure in p-p elastic scattering,

Abshire, G.W. ; Ankenbrandt, C.M. ; Crittenden, R.R. ; et al.
Phys.Rev.Lett. 32 (1974) 1261-1264, 1974.
Inspire Record 94365 DOI 10.17182/hepdata.21335

We present here the results of an experiment to study the polarization in p−p elastic scattering at the incident momenta 5.15, 7.00, and 12.33 Ge V/c, at t values ranging between - 0.5 and - 6.5 (GeV/c)2. At each momentum we observe a relative maximum in the polarization around t=−1.8 (GeV/c)2. At 12.33 GeV/c the data exhibit a double zero near t=−2.4 (GeV/c)2 and another relative maximum near t=−2.9 (GeV/c)2. The results are discussed in terms of the Chu-Hendry optical model.

3 data tables

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