MEASUREMENT OF DELTA SIGMA-l AND C (L, L) = (L, L : 0, 0) N PROTON PROTON SCATTERING BETWEEN 300-MEV AND 800-MEV

Auer, I.P. ; Ditzler, W.R. ; Hill, D. ; et al.
Phys.Rev.D 29 (1984) 2435-2468, 1984.
Inspire Record 205458 DOI 10.17182/hepdata.23728

Measurements are reported of the difference ΔσL between proton-proton total cross sections for parallel and antiparallel spin states and of the parameter CLL for proton-proton elastic scattering near 90°, for thirteen energies between 300 and 800 MeV. The ΔσL results agree well with previous ANL ZGS and SIN data, but disagree with recent results from TRIUMF. Attempts to understand the cause of the discrepancy have been unsuccessful, but possible sources are discussed. The ΔσL and CLL results have been used with other experimental data to extract quantities which depend only on spin-singlet, coupled spin-triplet, and spin-triplet partial waves. Structure is found in these quantities, which appears to be associated with the resonantlike D21 and F33 partial waves. Additional similar structure is also found, which may be due either to the P03 partial wave or the (P23,F23) partial-wave pair.

3 data tables

ERROR IS STATISTICAL ONLY (ERROR IN BRACKETS IS STATISTICAL WITH THE ENERGY DEPENDENT UNCERTAINTIES FOLDED IN).

ERRORS ARE STATISTICAL ONLY. THERE IS ADDITION OF 2.0 AND 2.1 PCT SYSTEMATICS.

No description provided.


Measurements of the Spin Spin Correlation Parameter C(ss) = (S,s:o,o) at 487-{MeV}, 639-{MeV} and 791-{MeV}

Ditzler, W.R. ; Hill, D. ; Imai, K. ; et al.
Phys.Rev.D 29 (1984) 2137, 1984.
Inspire Record 201499 DOI 10.17182/hepdata.23771

The spin-spin correlation parameter CSS=(S,S;0,0) has been measured for p−p elastic scattering over a large angular range. The data are particularly useful in checking currently available phase-shift solutions.

3 data tables

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C(LL) = (L, L: 0, 0) MEASUREMENTS AND A STRUCTURE DUE TO A P PARTIAL WAVE IN THE P P SYSTEM

Burleson, G.r. ; Cottingame, W.b. ; Greene, S.j. ; et al.
Nucl.Phys.B 213 (1983) 365-370, 1983.
Inspire Record 191085 DOI 10.17182/hepdata.34015

Measurements of C LL of pp elastic scattering near θ c.m. = 90° at thirteen energies between 300 and 800 MeV are reported. These, together with previous values of C NN , are used to extract values of two quantities, ƒ s and ƒ t , which contain only spin-singlet and only coupled spin-triplet partial waves, respectively. The ƒ s curve, which is not dependent on C LL , exhibits the behavior expected for the previously conjectured 1 D 2 resonance. The ƒ t curve also exhibits a resonance-like behavior, which could be due either to the 3 P 0 or the 3 P 2 partial wave.

10 data tables

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MEASUREMENT OF THE DIFFERENCE IN P P TOTAL CROSS-SECTIONS FOR PURE PARALLEL AND ANTIPARALLEL TRANSVERSE SPIN STATES (DELTA SIGMA (T AT T(P) = 487-MEV, 639-MEV, AND 791-MEV

Ditzler, W.r. ; Hill, D. ; Imai, K. ; et al.
Phys.Rev.D 27 (1983) 680-683, 1983.
Inspire Record 192364 DOI 10.17182/hepdata.23817

The difference between total cross sections in pure transverse-initial-spin states for the p−p interaction has been measured at Tp=487, 639, and 791 MeV, using a frozen-spin target. A comparison with previous data and available phase-shift analyses is made.

1 data table

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Measurement of $\Delta - \sigma_L$ in Proton Proton Scattering Between 300-{MeV} and 800-{MeV}

Auer, I.P. ; Ditzler, W.R. ; Hill, D. ; et al.
Phys.Rev.D 24 (1981) 2008, 1981.
Inspire Record 10751 DOI 10.17182/hepdata.51322

We have measured the difference between proton-proton total cross sections for parallel and antiparallel longitudinal spin states [ΔσL=σtot(⇄)−σtot(⇄)] at 13 incident energies between 300 and 800 MeV, which cover the region of possible D21 and F33 diproton resonances. The present experiment has strongly confirmed the structure previously observed at the Argonne Zero Gradient Synchrotron. No additional narrow structure has been found.

1 data table

No description provided.


High-energy, small angle, p p and anti-p p scattering and p p total cross-sections

Foley, K.J. ; Jones, R.S. ; Lindenbaum, S.J. ; et al.
Phys.Rev.Lett. 19 (1967) 857-859, 1967.
Inspire Record 51178 DOI 10.17182/hepdata.3459

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5 data tables

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Observation of the Low-Energy Lambda-p Interaction

Melissinos, A.C. ; Reay, N.W. ; Reed, J.T. ; et al.
Phys.Rev.Lett. 14 (1965) 604-607, 1965.
Inspire Record 49710 DOI 10.17182/hepdata.21848

None

1 data table

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Elastic Scattering of Protons, Antiprotons, Negative Pions, and Negative Kaons at High Energies

Foley, K.J. ; Gilmore, R.S. ; Lindenbaum, S.J. ; et al.
Phys.Rev.Lett. 15 (1965) 45-50, 1965.
Inspire Record 49102 DOI 10.17182/hepdata.204

None

7 data tables

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Small-Angle Elastic Scattering of Protons and Pions, 7-20 BeV/c

Foley, K.J. ; Lindenbaum, S.J. ; Love, W.A. ; et al.
Phys.Rev.Lett. 11 (1963) 425-429, 1963.
Inspire Record 46642 DOI 10.17182/hepdata.228

None

8 data tables

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

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pi-Meson Production in 2.9-BeV p-p Collisions

Melissinos, A.C. ; Yamanouchi, T. ; Fazio, G.G. ; et al.
Phys.Rev. 128 (1962) 2373-2381, 1962.
Inspire Record 944979 DOI 10.17182/hepdata.26775

Detailed measurements of the production of charged π mesons in proton-proton collisions are reported. The observed results are compared with the "isobar" and "one-pion exchange" models and for single production are in agreement if only the "resonant" part of the π−p cross section is used and if the angular distribution cos16θ is introduced for the production of the N1* isobar. The effects of higher resonances are also considered.

4 data tables

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