Blissett, J.A.
PI- P --> K0 LAMBDA
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Spin Rotation Measurements in $\pi^- p \to K^0 \Lambda$

Bell, Kenneth Watson ; Blissett, J.A. ; Broome, T.A. ; et al.
Nucl.Phys.B 222 (1983) 389-410, 1983.
Inspire Record 190232 DOI 10.17182/hepdata.33946

The first measurements of spin-rotation in meson-baryon scattering in the resonance region are presented. These measurements, for the reaction π − p → K 0 Λ , confirm the main predictions of a previous partial-wave analysis. Comments are made on resonant couplings in the reaction π − p → K 0 Λ .

4 data tables
Table 1

SPIN ROTATION ANGLE MEASUREMENTS.

Table 2

POLARIZATION MEASUREMENTS FROM THIS EXPERIMENT ALONE.

Table 3

COMBINED WITH DATA FROM BAKER ET AL., AND SAXON ET AL., (SEE COMMENTS).

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Study of the Reactions $\pi^- p \to K^0 \Lambda$ and $\pi^- p \to K^0 \Sigma^0$ at 3.95-{GeV}/$c$

The CERN-College de France-Madrid-Stockholm collaboration Loverre, P.F. ; Armenteros, R. ; Dionisi, C. ; et al.
Z.Phys.C 6 (1980) 283, 1980.
Inspire Record 153918 DOI 10.17182/hepdata.14374

The reactions π−p→K0Λ,K0Σ0 are studied at an incident momentum of 3.95 GeV/c using data from a high statistics bubble chamber experiment corresponding to ∼90 events/μb. The differential cross sections and hyperon polarizations are presented and compared with existing data from earlier electronic experiments. The data in the forward hemisphere are used to perform an amplitude analysis of the 0−1/2+→0−1/2+ hypercharge exchange processes.

9 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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The Reaction $\pi^- p \to K^0 \Lambda^0$ Up to 1334-{MeV}/$c$

Baker, R.D. ; Blissett, J.A. ; Bloodworth, I.J. ; et al.
Nucl.Phys.B 141 (1978) 29-47, 1978.
Inspire Record 130523 DOI 10.17182/hepdata.34954

New data on differential cross sections and polarisation are presented at nine incident momenta up to 1334 MeV/ c . An energy-dependent phase-shift analysis has been made and resonance parameters are given.

21 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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The Reaction $\pi^- p \to K^0 \Lambda^0$ Up to 2375-{MeV}/$c$: New Results and Analysis

Saxon, D.H. ; Baker, R.D. ; Bell, Kenneth Watson ; et al.
Nucl.Phys.B 162 (1980) 522-546, 1980.
Inspire Record 142072 DOI 10.17182/hepdata.34549

New data are presented on the reaction π − p→K 0 Λ 0 at 13 incident momenta between 1395 and 2375 MeV/ c . A partial-wave analysis has been performed using these data and previous data at lower momenta. The resulting resonance parameters are in broad agreement with recent πN analyses and with the predictions of SU(6) W × O(3) for the couplings.

5 data tables
Table 1

No description provided.

Table 2

TOTAL CROSS SECTION FROM LEGENDRE POLYNOMIAL FIT TO D(SIG)/DOMEGA. ERRORS INCLUDE 20 PCT SYSTEMATIC NORMALIZATION ERROR.

Table 3

LAMBDA USED TO ANALYZE POLARIZATION, ASSUMING 0.642 FOR THE DECAY ASYMMETRY PARAMETER.

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Measurement of the Polarization in the Forward Peak of pi- p --> K0 Lambda at 5-GeV/c

Beusch, W. ; Borghini, M. ; Lauper, S. ; et al.
Nucl.Phys.B 99 (1975) 53-60, 1975.
Inspire Record 89729 DOI 10.17182/hepdata.31783

The π − p→K 0 λ polarization has been measured at 5 GeV/ c in the range 0<− t <1.4 (GeV/ c ) 2 . The polarization is small for − t ⪅0.4 (GeV/ c ) 2 , becoming negative at the higher values of − t .

1 data table
Table 1

No description provided.


Measurement of the Differential Cross-Section and the Spin-Correlation Parameters P,A, and R in the Backward Peak of pi- p --> K0 Lambda at 5-GeV/c

Astbury, P. ; Gallivan, J. ; Jafar, J. ; et al.
Nucl.Phys.B 99 (1975) 30-52, 1975.
Inspire Record 98667 DOI 10.17182/hepdata.31861

We present measurements for the baryon-exchange reaction π − p→ Λ K 0 at 5 GeV/ c over the range − u <2(GeV/ c ) 2 . The differential cross section is obtained from events produced on a liquid hydrogen target. These data are combined with events produced on a butanol polarized target and the parameters P , A , and R are then determined from an analysis of the decay angular distribution of the forward-going Λ. From our data it is possible to determine the magnitudes and the relative phase of the two invariant amplitudes A ′ and B . The consequences for the ratio B / A ′ are discussed in detail.

4 data tables
Table 1

No description provided.

Table 2

THE ERRORS QUOTED IN D(SIG)/DU DO NOT INCLUDE THE ERROR ASSIGNED TO THE OVERALL U-INDEPENDENT CORRECTIONS FACTOR (4.62 +- 0.36), OR OTHER POSSIBLE NORMALIZATION ERRORS.

Table 3

No description provided.

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