Transmission regeneration of neutral kaons in hydrogen

Birulev, V.K. ; Genchev, V.I. ; Govorun, N.N. ; et al.
Sov.J.Nucl.Phys. 24 (1976) 390-396, 1976.
Inspire Record 1392573 DOI 10.17182/hepdata.19051

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1 data table

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Energy Dependence of the Reactions K0(L) p --> K0(s) p, pi+ Lambda, pi+ Sigma0 from 1540-MeV to 1610-MeV

Engler, A. ; Keyes, G. ; Kraemer, R.W. ; et al.
Phys.Lett.B 63 (1976) 231-234, 1976.
Inspire Record 3809 DOI 10.17182/hepdata.27639

The reactions K L o p→K S o p, π + Λ , π + Σ o have been measured for center-of-mass energies from 1540 to 1610 MeV. Channel cross sections and coefficients of the Legendre polynomial expansion of the differential cross sections and hyperon polarizations are presented. We see no evidence in the πΛ channel for the suggested 3 2 − resonance at 1580 MeV. The cross section for the K S o p channel shows an energy dependence which is not predicted by the existing phase shift solutions based on charged kaon data.

3 data tables

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A Study of the Reactions $K^0_L p \to K^0_S p$, $\Lambda \pi^+$, $\Sigma^0 \pi^+$ and $\Lambda \pi^+ \pi^0$ Near 550-{MeV}/$c$

Engler, A. ; Keyes, G. ; Kraemer, R.W. ; et al.
Phys.Rev.D 18 (1978) 3061, 1978.
Inspire Record 6591 DOI 10.17182/hepdata.24324

We present measurements of the differential and polarization cross sections for the reactions KL0p→Ks0p, Λπ+, Σ0π+, and Λπ+π0 made in a hydrogen bubble chamber exposed to a beam of KL0 with incident momentum 550±35 MeV/c. The quasielastic data imposes additional constraints on the partial-wave analyses of the KN and K¯N systems. Our data show no strong energy-dependent effects in the region of the reported Σ(1580), JP=32− state. The phase of the forward regeneration amplitude was found to be about - 160° independent of KL0 momentum.

8 data tables

SYSTEMATIC ERRORS INCLUDED.

ROUGH FIT - POSSIBLY OTHER SYSTEMATIC ERRORS.

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Transmission regeneration of neutral k-mesons on hydrogen in the momentum region 14-42 gev/c

Birulev, V.K. ; Vovenko, A.S. ; Vestergombi, G. ; et al.
Yad.Fiz. 15 (1972) 959-965, 1972.
Inspire Record 76029 DOI 10.17182/hepdata.19284

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1 data table

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Coherent K0(S) Regeneration in Hydrogen and Deuterium from 3.5-GeV/c to 10.5-GeV/c

Freytag, D. ; Schultz, C. ; Patel, P. ; et al.
Phys.Rev.Lett. 35 (1975) 412-416, 1975.
Inspire Record 103337 DOI 10.17182/hepdata.21146

The amplitude and phase for coherent regeneration in hydrogen and deuterium have been measured for six momentum bins in the range 3.5-10.5 GeV/c. Over this region the phase, ϕf, is consistent with being constant and has the value - 60°±8° for hydrogen and - 46°±8° for deuterium. Power-law fits of the form plabn for the amplitudes when combined with other data give n=−0.60±0.02 for hydrogen and n=−0.52±0.02 for deuterium.

2 data tables

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NOTE PHASE IS HERE DEFINED AS THE PHASE OF I*AMP(NAME=REGEN) AND SO DIFFERS BY 90 DEG FROM USUAL DEFINITION.


K0(L) K0(s) Transmission Regeneration on Hydrogen

The Budapest-Dubna-Prague-Serpukhov collaboration Birulev, V.K. ; Genchev, V. ; Govorun, N.N. ; et al.
Nucl.Phys.B 115 (1976) 249-268, 1976.
Inspire Record 3964 DOI 10.17182/hepdata.35585

The energy dependence of the modulus and phase of the K L 0 -K S 0 regeneration amplitude on hydrogen in the range of 14–50 GeV has been investigated at the Serpukhov 70 GeV accelerator. It has been established that the modulus of the modified regeneration amplitude decreases with increasing momentum as 2|ƒ 21 0 (p)|/k = (0.84 ± 0.42) · p −0.50±0.15 mb . The amplitude phase is energy-independent and its mean value is ϕ 21 0 = −132° ± 5°. The results obtained are compared with other experiments and with predictions of different theoretical models.

1 data table

TABLE ALSO CALCULATES FORWARD DIFFERENTIAL CROSS SECTION AND SIG(AK0 P) - SIG(K0 P) TOTAL CROSS SECTION DIFFERENCES.


K0(L) p --> K0(s) p Scattering in the 1.5-GeV-2.3-GeV Energy Region

Alexander, G. ; Bar-Nir, I. ; Benary, O. ; et al.
Phys.Lett.B 58 (1975) 484-488, 1975.
Inspire Record 2246 DOI 10.17182/hepdata.27761

The K L o p → K S o p differential and total cross-section and the forward scattering amplitude phase φ have been measured in the 1.5 to 2.3 GeV centre of mass energy range. The data is compared with predictions based on recent K ± N phase shift solutions. Best agreement is found for K + N solutions which do not warrant an I=0 P 1 2 exotic Z ∗ o (1800) baryon.

2 data tables

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