Kadija, K.
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Y*(1385) production in anti-p reactions at 5.7 gev/c

Atherton, H.W. ; Celnikier, L.M. ; Clayton, M.J. ; et al.
Nucl.Phys.B 29 (1971) 477-503, 1971.
Inspire Record 68633 DOI 10.17182/hepdata.33412

From a bubble chamber exposure in an antiproton beam at 5.7 GeV/ c yielding 13 events/μb, the final states p ̄ p → Y 1 ∗+ (1385)Λ, Y 1 ∗+ (1385)Σ + , Y 1 ∗+ (1385) Y 1 ∗+ (1385) have been isolated. We have measured the total cross section, d σ /d t , and the complete density matrix of the Y ∗ for these processes. Upper limits have been set to the forbidden reactions p ̄ p → Y 1 ∗− (1385)Σ − , Y 1 ∗− (1385) Y 1 ∗− (1385) .

35 data tables
Table 1

VALUE OF PRODUCTION CROSS-SECTION IN TEXT HALVED AS INCLUDED CHARGE CONJUGATE REACTION.

Table 2

VALUE OF PRODUCTION CROSS-SECTION IN TEXT HALVED AS INCLUDED CHARGE CONJUGATE REACTION.

Table 3

No description provided.

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Measurement of the polarization parameter in pi+- p, k+- p, p p, and anti-p p elastic scattering at 6 gev/c

Borghini, M. ; Dick, L. ; Di Lella, L. ; et al.
Phys.Lett.B 31 (1970) 405-409, 1970.
Inspire Record 63191 DOI 10.17182/hepdata.6078

Experimental results are presented for the polarization parameter P 0 in π ± p , K ± p , pp, and p ̄ p elastic scattering at 6 GeV/ c , and in the range of the invariant four-momentum transfer squared − t from 0.05 to ∼ 2.0 (GeV/ c ) 2 .

2 data tables
Table 1

'1'. '2'. '3'. '4'.

Table 2

No description provided.


Asymmetry and differential cross section for elastic scattering of K- mesons by polarized protons

Zeller, M. ; Ehrlich, R.D. ; Etkin, A. ; et al.
In *Durham Conference, Hyperon Resonance - 70*, Durham 1970, 169, 1970.
Inspire Record 63648 DOI 10.17182/hepdata.37181

abstract only

5 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.

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Photoproduction of k+ mesons and polarization of lambda0 hyperons in the 1-gev range

Fujii, T. ; Imanishi, A. ; Iwata, S. ; et al.
Phys.Rev.D 2 (1970) 439-448, 1970.
Inspire Record 61523 DOI 10.17182/hepdata.24271

Polarization of Λ hyperons and differential cross sections for the reaction γ+p→K++Λ were measured at the K+-meson center-of-mass angles around 45°, 70°, and 90° for the incident photon energies of 1054, 1100, and 1160 MeV. The K+ mesons were detected with a magnetic spectrometer and a velocity-selection system based on the energy loss and the time of flight. The polarization of Λ was determined by measuring the up-down asymmetry of protons in the decay Λ→pπ− with respect to the production plane. The results show a dominant sinθK* dependence of the polarization at the region of the third resonance and are consistent with a contribution of the P11 resonance with a mass of about 1700 MeV.

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

No description provided.


$\pi^+$ production with linearly polarized photons

Geweniger, C. ; Heide, P. ; Kötz, U. ; et al.
Phys.Lett.B 29 (1969) 41-44, 1969.
Inspire Record 56795 DOI 10.17182/hepdata.29060

Single π + production on protons by linearly polarized photons of 2.5 to 5 GeV was measured at squared four momentum transfers t between −0.01 and −0.6 (GeV/ c ) 2 . The results show that the differential cross section d σ ⊥ d t with the electric vector of the photon perpendicular to the reaction plane is much larger than d σ ‖ d t with the electric vector parallel to the reaction plane. The predictions of Regge models and of the vector meson dominance model are briefly discussed.

3 data tables
Table 1

Axis error includes +- 0.0/0.0 contribution (?////).

Table 2

Axis error includes +- 0.0/0.0 contribution (?////).

Table 3

Axis error includes +- 0.0/0.0 contribution (?////).


Negative Pion Production from Neutrons by Polarized gamma Rays

Nishikawa, T. ; Hiramatsu, S. ; Kimura, Y. ; et al.
Phys.Rev.Lett. 21 (1968) 1288-1291, 1968.
Inspire Record 944914 DOI 10.17182/hepdata.38534

The differential asymmetry ratio for the process γ+n→p+π− was measured at 90° in the center-of-mass system and for incident photon energies from 352 to 550 MeV. The observed asymmetries are larger than the values predicted from the theory by Berends, Donnachie, and Weaver. A smaller M1- amplitude gives better agreement between the experiment and the theory.

2 data tables
Table 1

No description provided.

Table 2

No description provided.