K- N --> PI- SIGMA0
LEGN
[2.045]
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Formation of the Sigma (2030) Resonance in the Reactions K- n --> Sigma- pi0 and K- n --> Sigma0 pi- in the Center-Of-Mass Energy Interval 1850-MeV to 2150-MeV

Goyal, D.P. ; Sodhi, A.V. ;
Phys.Rev.D 16 (1977) 2746-2753, 1977.
Inspire Record 126664 DOI 10.17182/hepdata.24480

A partial-wave analysis of the pure isospin I = 1 reactions K−n→Σ−π0 and K−n→Σ0π− in the center-of-mass energy range 1850-2150 MeV is reported. The decay mode Σ(2030)→Σπ is observed with a branching ratio xr given by eiφ(xexr)12 = −0.085±0.02, where xe is the elasticity and φ is the relative phase of the resonance with the phase of Σ(1765) taken to be zero.

2 data tables
Table 1

LEGENDRE COEFFICIENTS FOR EVENTS WITH SEEN SPECTATORS.

Table 2

LEGENDRE COEFFICIENTS FOR ALL EVENTS.


New Experimental Results on the Reactions K- n --> pi- Sigma0 and K- n --> pi0 Sigma- and a Partial Wave Analysis of These Data Between 1750-MeV and 2200-MeV

Corden, M.J. ; Cox, G.F. ; Kenyon, I.R. ; et al.
Nucl.Phys.B 125 (1977) 61-82, 1977.
Inspire Record 124942 DOI 10.17182/hepdata.35321

New bubble chamber data on the reactions K − n → π 0 Σ 0 in the c.m. energy range 1750–2200 MeV are presented and are compared with the predictions of the most recent partial-wave analysis of the reaction K N → πΣ . The comparison stresses the need for data involving a single value of isotopic spin in the study of this reaction. An analysis of the new data yields two satisfactory solutions involving only well established resonances.

4 data tables
Table 1

No description provided.

Table 2

FERMI MOTION OF NEUTRON USED TO EXTRACT ENERGY DEPENDENCE.

Table 3

NORMALIZED LEGENDRE COEFFICIENTS OF CROSS SECTION ANGULAR DISTRIBUTION.

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