Measurement of the p p analyzing power in the vicinity of 2.20-GeV

Ball, J. ; Beddo, M. ; Bedfer, Y. ; et al.
Eur.Phys.J.C 10 (1999) 409-413, 1999.
Inspire Record 510350 DOI 10.17182/hepdata.43331

The pp elastic scattering analyzing power was measured in small energy steps in the vicinity of the accelerator depolarizing resonance $\gamma G= 6 $ at 2.202 GeV.

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Elastic and quasielastic p p scattering in LiH-6 and LiD-6 targets between 1.1-GeV and 2.4-GeV

Ball, J. ; Allgower, C.E. ; Beddo, M. ; et al.
Eur.Phys.J.C 11 (1999) 51-67, 1999.
Inspire Record 505045 DOI 10.17182/hepdata.43403

A polarized proton beam extracted from SATURNE II, the Saclay polarized target with$^6$Li compounds, and

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Measurement of $N P$ Analyzing Power A(00n0) Using the Deuteron Polarized Beam of Saturne-{II}

Ball, J. ; Lehar, F. ; De Lesquen, A. ; et al.
Nucl.Phys.B 286 (1987) 635-642, 1987.
Inspire Record 248563 DOI 10.17182/hepdata.33621

Both the np and the pp analyzing powers were measured simultaneously using the SATURNE II polarized deuteron beam at 0.550, 0.725, 0.900 and 1.15 GeV/nucleon. The results for the pp analyzing power coincide with the free pp elastic scattering data. We thus can assume that also the np analyzing power is equal to the one for scattering of free polarized neutrons. The np data cover the angular region 90° ≤ θ CM ≤ 125°. Our results for the np analyzing power clarify a discrepancy between earlier data at 0.5 GeV and allow conclusions about the energy dependence of the minimum of polarization at θ CM ⋍ 100° in the region from 0.5 to 0.9 GeV.

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p p elastic scattering polarization transfer K(onno) and depolarization D(onon) between 1.94-GeV and 2.80-GeV

Allgower, C.E. ; Ball, J. ; Barabash, L.S. ; et al.
Eur.Phys.J.C 5 (1998) 453-460, 1998.
Inspire Record 481194 DOI 10.17182/hepdata.43094

A polarized proton beam extracted from SATURNE II and the Saclay polarized proton target were used to measure the rescattering observables$K_{onno}$and

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Proton proton elastic scattering analyzing power in the 2.16-GeV to 2.28-GeV energy region

Arvieux, J. ; Ball, J. ; Bystricky, J. ; et al.
Z.Phys.C 76 (1997) 465-468, 1997.
Inspire Record 451186 DOI 10.17182/hepdata.13537

The angular dependence of the pp elastic scattering analyzing power was measured at SATURNE II with an unpolarized proton beam and the Saclay polarized proton target. The energy region in the vicinity of the accelerator depolarizing resonance Gγ = 6 at Tkin = 2.202 GeV was studied. Measurements were carried out at seven energies between 2.16 and 2.28 GeV from 17° to 55°CM. No significant anomaly was observed in the angular and energy dependence of the results presented, whereas the existing data sets differ in this energy range.

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Measurement of the Spin Correlation Parameters A(00kk) and A(00sk) in $P P$ Elastic Scattering From 0.88-{GeV} to 2.4-{GeV}

Fontaine, J.M. ; Perrot, F. ; Bystricky, J. ; et al.
Nucl.Phys.B 321 (1989) 299-310, 1989.
Inspire Record 284692 DOI 10.17182/hepdata.33222

The spin correlation parameters A 00 kk and A 00 sk were measured at 0.874, 0.934, 1.095, 1.295, 1.596, 1.796, 2.096, and 2.396 GeV, using the SATURNE II polarized proton beam and tha Saclay frozen spin polarized target. The present results for beam-target spin correlations obtained during measurements of three-spin index observables confirm, in particular, relatively large positive values of A 00 sk at certain energies and angles, as was shown in previously published data from a dedicated experiment.

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Measurement of the $P P$ Analyzing Power A(00n0) in a Large Angular Region Between 0.88-{GeV} and 2.7-{GeV}

Perrot, F. ; Fontaine, J.M. ; Lehar, F. ; et al.
Nucl.Phys.B 294 (1987) 1001-1012, 1987.
Inspire Record 255229 DOI 10.17182/hepdata.33562

The pp analyzing power was measured using the SATURNE II polarized proton beam and the Saclay frozen spin polarized target. The measurements at 0.88 and 1.1 GeV were carried out in the angular region θ CM from 28° to ≅50° and complete our previous measurements from 45 ° to 90°. Above 1.1 GeV the measurements presented here cover both regions, extending from θ CM = 28° (at the lower energies) or θ CM = 18° (at the higher energies) to θ CM > 90°. The shape of the angular distribution A oono ( pp ) = ƒ(θ CM ) changes considerably with increasing energy. The new data show the onset of a characteristic t -dependence of the analyzing power, with a minimum at − t ≅ 1.0 (GeV/ c ) 2 followed by a second maximum at − t ≅ 1.5 (GeV/ c ) 2 . This structure is present at all energies, from kinematic threshold to 200 GeV.

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MEASUREMENT OF THE SPIN CORRELATION PARAMETER A(00NN) FOR P P ELASTIC SCATTERING IN THE ENERGY RANGE FROM 0.83-GEV TO 1.1-GEV

Bystricky, J. ; Chaumette, P. ; Deregel, J. ; et al.
Nucl.Phys.B 262 (1985) 715-726, 1985.
Inspire Record 227730 DOI 10.17182/hepdata.33718

The spin correlation parameter A oonn (pp) and the analyzing power A oono (pp) have been measured in the angular region 45°< θ CM <90° at 0.834, 0.874, 0.934, 0.995 and 1.095 GeV beam kinetic energy using the SATURNE II polarized proton beam incident on the polarized proton target.

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Measurement of the Spin Correlation A(00kk) in $P P$ Elastic Scattering From 0.88-{GeV} to 2.7-{GeV}

Lehar, F. ; De Lesquen, A. ; Van Rossum, L. ; et al.
Nucl.Phys.B 296 (1988) 535-545, 1988.
Inspire Record 266152 DOI 10.17182/hepdata.33462

The spin correlation parameter A ookk in pp elastic scattering was measured using the SATURNE II polarized proton beam and the Saclay frozen spin polarized target. The measurements at 0.88 and 1.1 GeV were carried out in the angular region θ CM from 28° to ⋍ 50° and complete our previous measurements from 45° to 90°. Above 1.1 GeV the measurements presented here cover both regions, extending from θ CM = 28° (at the lower energies) or θ CM = 18° (at the higher energies) to θ CM > 90°. The shape of the angular distribution A ookk (pp) = f ( θ CM ) changes considerably between in our energy region.

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Measurement of Analyzing Power and Spin Correlations in $N P$ Elastic Scattering at 0.744-{GeV} and 0.794-{GeV} Using a Deuteron Polarized Beam

De Lesquen, A. ; Lehar, F. ; Van Rossum, L. ; et al.
Nucl.Phys.B 304 (1988) 673-686, 1988.
Inspire Record 268253 DOI 10.17182/hepdata.33258

The np and the pp analyzing powers A oono d and spin correlations A oonn d and A oosk d were measured simultaneously using the SATURNE II polarized deuteron beam at 0.744 and 0.794 GeV/nucleon. The results for the pp observables coincide with the free pp elastic scattering data. We thus can assume that also the np analyzing power A oono d and spin correlations A oonn d and A oosk d are equal to those for scattering of free polarized neutrons. The np data cover the angular region 95°⩽ θ CM ⩽122°. Our results for A oono d (np) confirm the phase-shift analysis predictions but spin correlations A oonn d (np) and A oosk d (np) have never been measured in this energy region and will considerably affect the PSA solution. Present results allow conclusions about the angular dependence near the minimum of A oono (np) and A oonn (np) in the vicinity of 0.8 GeV.

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Measurement of the Parameters $N$(0nkk), $D$(0s0k) and $K$(0sk0) in $P P$ Elastic Scattering Between 0.84-{GeV} and 2.7-{GeV}

Lac, C.D. ; Ball, J. ; Bystricky, J. ; et al.
Nucl.Phys.B 315 (1989) 269-283, 1989.
Inspire Record 280846 DOI 10.17182/hepdata.33400

The spin-dependent observables N 0 nkk , D 0 s ″0 k and K 0 s ″ k 0 in pp elastic scattering were measured at 11 energies between 0.84 and 2.7 GeV using the SATURNE II polarized proton beam and the Saclay frozen-spin polarized target. The beam and target polarizations were oriented longitudinally. Precession of the recoil-particle spin in the target holding field introduces small contributions from other parameters. The present data agree with the few previously existing measurements. Below 1.3 GeV our data are compared with the predictions of the Saclay-Geneva phase-shift analysis. The new results will considerably affect the phase-shift analysis solutions and will contribute to their extension towards higher energies.

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Measurement of the Spin Correlation Parameter A(00sk) in $P P$ Elastic Scattering From 0.88-{GeV} to 2.7-{GeV}

Perrot, F. ; Fontaine, J.M. ; Lehar, F. ; et al.
Nucl.Phys.B 296 (1988) 527-534, 1988.
Inspire Record 266151 DOI 10.17182/hepdata.33396

The spin correlation parameter A oosk was measured using the SATURNE II polarized proton beam and the Saclay frozen spin polarized target. The measurements at 0.88 and 1.1 GeV were carried out in the angular region θ CM from 28° to ⋍ 50°. At 0.88 GeV they complete our previous measurements from 45° to 90°. Above 1.1 GeV the measurements presented here cover both regions, extending from gq CM = 28° (at lower energies) or θ CM = 18° (at higher energies) to θ CM > 90°. The shape of the angular distribution A oosk (pp) = ƒ(θ CM ) changes considerably between 1.8 and 2.4 GeV.

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Measurement of the Parameters $N$(0skn), $D$(0n0n) and $K$(0sk0) in $P P$ Elastic Scattering Between 0.84-{GeV} and 2.1-{GeV}

Lac, C.D. ; Ball, J. ; Bystricky, J. ; et al.
Nucl.Phys.B 321 (1989) 269-283, 1989.
Inspire Record 284690 DOI 10.17182/hepdata.33254

The spin-dependent observables N 0 s ″ kn , D 0 n 0 n and K 0 s ″ k 0 in pp elastic scattering were measured at nine energies between 0.84 and 2.1 GeV using the SATURNE II polarized proton beam and the Saclay frozen spin polarized target. The beam polarization was oriented longitudinally and the target polarization was oriented vertically. Precession of the recoil particle spin in the target holding field introduces a small contribution from other parameters. The present results for K 0 s ″ k 0 and D 0 n 0 n agree with our previous measurements of the same observables carried out in different beam and target spin configurations as well as with previously existing measurements. The observable N 0 s ″ kn had not been measured previously above 0.58 GeV. Below 1.3 GeV our data are compared with the predictions of the Saclay-Geneva phase shift analysis. The new results will considerably affect the phase shift analysis solutions and will contribute to their extension towards higher energies.

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Measurement of the Parameters $N$(0snk), $K$(0ss0), $K$(0nn0) and $D$(0s0k) in $P P$ Elastic Scattering Between 0.84-{GeV} and 2.7-{GeV}

Lac, C.D. ; Ball, J. ; Bystricky, J. ; et al.
Nucl.Phys.B 321 (1989) 284-298, 1989.
Inspire Record 284691 DOI 10.17182/hepdata.33255

The spin dependent observables N 0s n ″ k , K 0s″s0 and D 0s″0k in pp elastic scattering were measured at 11 energies between 0.84 and 2.7 GeV using the SATURNE II polarized proton beam and the Saclay frozen spin polarized target. The beam polarization was oriented in the vertical plane, the target polarization was oriented along the incident beam direction. Below 1 GeV the present data agree with previously existing measurements. Below 1.3 GeV they are compared with the predictions of the Saclay-Geneva phase shift analysis. The results will improve the phase shift analysis solutions and will contribute to their extensions towards higher energies. Together with our previous results the data allow a direct reconstruction of the pp elastic matrix over the energy region from 0.84 too 2.7 GeV.

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Measurement of the Parameters $D$(0n0n) and $K$(0nn0) in $P P$ Elastic Scattering Between 0.84-{GeV} and 2.7-{GeV}

Lac, C.D. ; Ball, J. ; Bystricky, J. ; et al.
Nucl.Phys.B 315 (1989) 284-294, 1989.
Inspire Record 280847 DOI 10.17182/hepdata.33259

The spin-dependent observables D 0 n 0 n and K 0 nn 0 in pp elastic scattering were measured at 11 energies between 0.84 and 2.7 GeV using the SATURNE II polarized proton beam and the Saclay frozen-spin polarized target. The beam and target polarizations were oriented along the normal to the scattering plane. Below 1 GeV the present data agree with previously existing measurements. Below 1.3 GeV they are compared with the predictions of the Saclay-Geneva phase-shift analysis. The results will improve the phase-shift analysis solutions and will contribute to their extension towards higher energies.

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MEASUREMENT OF THE SPIN CORRELATION PARAMETER A(00KK) FOR P P ELASTIC SCATTERING IN THE ENERGY RANGE 0.72-GEV - 1.1-GEV

Bystricky, J. ; Chaumette, P. ; Deregel, J. ; et al.
Nucl.Phys.B 258 (1985) 483-504, 1985.
Inspire Record 221352 DOI 10.17182/hepdata.33761

The spin correlation parameter A 00 kk (pp) has been measured in the angular region 45°< θ CM <90° at 0.719, 0.834, 0.874, 0.934, 0.995 and 1.095 GeV using the SATURNE II polarized proton beam incident on a polarized target. The parameters A 00 nn (pp and A 00 sk ( pp ) were measured at 0.874 in the same angular region.

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MEASUREMENT OF THE SPIN CORRELATION PARAMETERS A(OOSK) AND A(OOKK) IN P P ELASTIC SCATTERING AT 0.84-GEV AND 1-GEV

Lac, C.D. ; Ball, J. ; Bystricky, J. ; et al.
Nucl.Phys.B 297 (1988) 653-660, 1988.
Inspire Record 264165 DOI 10.17182/hepdata.33528

The spin correlation parameters A oosk and A ookk were measured at 0.834 and 0.995 GeV using the SATURNE II polarized proton beam and the Saclay frozen spin polarized target. The measurements were carried out in the angular region φ CM from 50° to ≃ 90°. The shape of the angular distribution A oosk (pp) = f ( θ CM ) changes rapidly from 0.8 to 1.0 GeV. The A ookk data points specify our previous measurements.

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Measurement of the Spin Correlation Parameter A(00nn ($P P$ in a Large Angular Region Between 0.88-{GeV} and 2.7-{GeV}

Lehar, F. ; De Lesquen, A. ; Meyer, J.P. ; et al.
Nucl.Phys.B 294 (1987) 1013-1021, 1987.
Inspire Record 255230 DOI 10.17182/hepdata.33526

The spin correlation parameter A oonn for pp elastic scattering was measured at 0.88, 1.1, 1.3, 1.6, 1.8, 2.1, 2.4 and 2.7 GeV using the SATURNE II polarized proton beam and the Saclay frozen spin polarized target. At the first two energies, the new measurements at θ CM < 50° complete our previous data from 45° to 90°. Between 1.3 and 2.7 GeV the measurements were performed in two overlapping angular regions covering together the CM angles from 28° (at the lower energies) or 18° (at the highest energy) to > 90°. At all energies above 1.3 GeV the angular distribution shows a dip at fixed four-momentum transfer − t ∼ 0.90 (GeV/ c ) 2 . The value of A oonn ( θ CM = 90°) decreases from A oonn (90°) ≅ 0.57 at 0.88 GeV to A oonn (90°) ≅ 0.35 at 2.7 GeV. However, the large value found at 1.8 GeV indicates that the energy dependence is not monotonic.

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The p p elastic scattering analyzing power measured with the polarized beam and the unpolarized target between 1.98-GeV and 2.80-GeV

Allgower, C.E. ; Ball, J. ; Beddo, M. ; et al.
Nucl.Phys.A 637 (1998) 231-242, 1998.
Inspire Record 478006 DOI 10.17182/hepdata.36350

A polarized proton beam extracted from SATURNE II was scattered on an unpolarized CH 2 target. The angular distribution of the beam analyzing power A oono was measured at large angles from 1.98 to 2.8 GeV and at 0.80 GeV nominal beam kinetic energy. The same observable was determined at the fixed mean laboratory angle of 13.9° in the same energy range. Both measurements are by-products of an experiment measuring the spin correlation parameter A oon .

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Angular dependence of the pp elastic-scattering analyzing power between 0.8 and 2.8 GeV. II. Results for higher energies

Allgower, C.E. ; Ball, J. ; Beddo, M.E. ; et al.
Phys.Rev.C 60 (1999) 054002, 1999.
Inspire Record 508562 DOI 10.17182/hepdata.25565

Measurements at 18 beam kinetic energies between 1975 and 2795 MeV and at 795 MeV are reported for the pp elastic-scattering single spin parameter Aooon=Aoono=AN=P. The c.m. angular range is typically 60–100°. These results are compared to previous data from Saturne II and other accelerators. A search for energy-dependent structure at fixed c.m. angles is performed, but no rapid changes are observed.

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Angular dependence of the p p elastic scattering analyzing power between 0.8-GeV and 2.8-GeV. 1. Results for 1.80-GeV to 2.24-GeV

Allgower, C.E. ; Ball, J. ; Barabash, L.S. ; et al.
Phys.Rev.C 60 (1999) 054001, 1999.
Inspire Record 508563 DOI 10.17182/hepdata.25566

Experimental results are presented for the pp elastic-scattering single spin observable Aoono=Aooon=AN=P, or the analyzing power, at 19 beam kinetic energies between 1795 and 2235 MeV. The typical c.m. angular range is 60–100°. The measurements were performed at Saturne II with a vertically polarized beam and target (transverse to the beam direction and scattering plane), a magnetic spectrometer and a recoil detector, both instrumented with multiwire proportional chambers, and beam polarimeters.

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Angular dependence of the pp elastic scattering spin correlation parameter ann-00 between 0.8-GeV and 2.8-GeV. 2. Results for higher energies

Allgower, C.E. ; Ball, J. ; Beddo, M.E. ; et al.
Phys.Rev.C 64 (2001) 034003, 2001.
Inspire Record 561777 DOI 10.17182/hepdata.25291

Measurements at 18 beam kinetic energies between 1975 and 2795 MeV and at 795 MeV are reported for the pp elastic scattering spin correlation parameter A00nn=(N,N;0,0)=CNN=ANN. The c.m. angular range is typically 60°-100°. These results are compared to previous data from Saturne II and other accelerators. A search for energy-dependent structure at fixed c.m. angles is performed. Comparisons are made to phase shift analysis and theoretical model predictions of this spin observable.

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Angular dependence of the p p elastic scattering spin correlation parameter A(00nn) between 0.8 and 2.8 GeV: Results for 1.80-GeV to 2.24-GeV

Allgower, C.E. ; Ball, J. ; Barabash, L.S. ; et al.
Phys.Rev.C 62 (2000) 064001, 2000.
Inspire Record 539075 DOI 10.17182/hepdata.25464

Measurements at 19 beam kinetic energies between 1795 and 2235 MeV are reported for the pp elastic scattering spin correlation parameter A00nn=ANN=CNN. The c.m. angular range is typically 60–100°. The measurements were performed at Saturne II with a vertically polarized beam and target (transverse to the beam direction and scattering plane), a magnetic spectrometer and a recoil detector, both instrumented with multiwire proportional chambers, and beam polarimeters. These results are compared to previous data from Saturne II and elsewhere.

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Angular dependence of p p spin correlation and rescattering observables between 1.80-GeV and 2.10-GeV

Allgower, C.E. ; Ball, J. ; Barabash, L.S. ; et al.
Eur.Phys.J.C 1 (1998) 131-138, 1998.
Inspire Record 465999 DOI 10.17182/hepdata.43398

A polarized proton beam extracted from SATURNE II and the Saclay polarized proton target were used to determine the spin correlation parameter Aoosk and the rescattering observablesKos″ so; Dos″ok, Nos″sn, andNonsk at 1.80 and 2.10 GeV. The beam polarization was oriented perpendicular to the beam direction in the horizontal scattering plane and the target polarization was directed either along the vertical axis or longitudinally. Left-right and up-down asymmetries in the second scattering were measured. A check for the beam optimization with the beam and target polarizations oriented vertically provided other observables, of which results forDonon andKonno at 1.80, 1.85, 2.04, and 2.10 GeV are listed here. The new data at 2.10 GeV suggest a smooth energy dependence of spin triplet scattering amplitudes at fixed angles in the vicinity of this energy.

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MEASUREMENT OF THE TOTAL CROSS-SECTION DIFFERENCE DELTA (SIGMA-L) (P P IN THE ENERGY RANGE FROM 0.52-GEV TO 2.8-GEV

Bystricky, J. ; Chaumette, P. ; Deregel, J. ; et al.
Phys.Lett.B 142 (1984) 130-134, 1984.
Inspire Record 206656 DOI 10.17182/hepdata.30540

The total cross section difference Δα L (pp) for proton-proton scattering with beam and target polarized longitudinally parallel and antiparallel, respectively, has been measured using the polarized proton beam from SATURNE II and a frozen spin polarized proton target. The beam polarization was reversed from pulse to pulse, and at each energy Δα L was measured for both signs of target polarization. The data below 800 MeV confirm the previously observed structures. The cross section difference is found to change by 8.0 ± 0.5 mb between 520 MeV and 760 MeV. At the higher energies the results show no indication for similar structures or for a change of the sign of Δα L .

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