Measurement of the spin correlation parameters A(00kk) and A(00sk) in n p elastic scattering at SATURNE-II

Ball, J. ; Chesny, P. ; Combet, M. ; et al.
Nucl.Phys.A 574 (1994) 697-715, 1994.
Inspire Record 383127 DOI 10.17182/hepdata.36564

We present a total of 191 and 203 data points of the elastic neutron-protonspin correlation parameters A ookk and A oosk , respectively. Both observables were measured in a large angular interval. The observable A ookk was measured from 0.312 to 1.10 GeV and A oosk from 0.80 to 1.10 GeV. The SATURNE II polarized beam of free neutrons obtained from the break-up of polarized deuterons was scattered on the polarized Saclay frozen-spin proton target. The beam polarization was oriented either along the beam direction or sideways, the target polarization was oriented longitudinally. Data are compared with phase-shift analyses predictions and with the PSI, LAMPF and SATURNE II results. Present results provide an important contribution to any future theoretical or phenomenological analysis.

14 data tables

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Angular dependence of the spin correlation parameter A(oonn) in n p elastic scattering between 0.8-GeV and 1.1-GeV

Ball, J. ; Chesny, P. ; Combet, M. ; et al.
Nucl.Phys.A 559 (1993) 511-525, 1993.
Inspire Record 33733 DOI 10.17182/hepdata.36583

We present a total of 323 data points of the spin correlation parameter A oonn (np) in a large angular interval at eight energies between 0.8 and 1.1 GeV. The SATURNE II polarized beam of free neutrons obtained from the break-up of polarized deuterons was scattered on the polarized Saclay frozen-spin proton target. The present data are the first existing results above 0.8 GeV.

9 data tables

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n p elastic spin transfer measurements at 485-MeV and 635-MeV

McNaughton, K.H. ; Ambrose, D.A. ; Coffey, P. ; et al.
Phys.Rev.C 46 (1992) 47-51, 1992.
Inspire Record 342389 DOI 10.17182/hepdata.26097

We have measured the spin-transfer parameters KLL, KSL, KLS, and KSS at 635 MeV from 50° to 178° c.m. and at 485 MeV from 74° to 176° c.m. These new data have a significant impact on the phase-shift analyses. There are now sufficient data near these energies to overdetermine the elastic nucleon-nucleon amplitudes.

2 data tables

Spin transfer parameters from np elastic scattering at 635 MeV. There is an additional overall normalisation of 2 PCT.

Spin transfer parameters from np elastic scattering at 485 MeV. There is an additional overall normalisation of 2 PCT.


Measurement of the Spin Correlation A(ookk) in $N P$ Elastic Scattering Between 0.63-{GeV} and 1.08-{GeV}

Ball, J. ; Lac, C.D. ; Lehar, F. ; et al.
Z.Phys.C 40 (1988) 193-197, 1988.
Inspire Record 269772 DOI 10.17182/hepdata.15598

We present the measurements of the spin correlation parameterAookk(np). A longitudinally polarized beam of free neutrons obtained from the break-up of polarized deuterons was scattered on the longitudinally polarized Saclay frozen-spin proton target. Measurements were carried out at SATURNE II, at neutron beam kinetic energies of 0.63, 0.88, 0.98 and 1.08 GeV. The data points cover the angular region from about 40° to 110° CM. The observed angular dependence ofAookk(np) at 0.63 GeV agree with the phase shift analysis predictions except at small angles.

4 data tables

First set of data is with neutron counter hodoscope. Second is using a charge-exchange in the carbon block.

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