Field, R.D.
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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

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Table 2

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Table 3

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Backward n p scattering with a polarized target

Robrish, P.R. ; Chamberlain, O. ; Field, R.D. ; et al.
Phys.Lett.B 31 (1970) 617-620, 1970.
Inspire Record 63165 DOI 10.17182/hepdata.5937

We measured the polarization parameter P in neutron-proton elastic scattering near the backward direction, using a polarized proton target. Measurements covered the range of incident neutron momenta from 1.0 to 5.5 GeV/ c and of four-momentum transfer squared u from −0.005 to −0.5 (GeV/ c ) 2 .

4 data tables
Table 1

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Table 2

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Table 3

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Strange-particle production in {8-BeV/c} proton-proton interactions

Firebaugh, M. ; Ascoli, G. ; Goldwasser, E.L. ; et al.
Phys.Rev. 172 (1968) 1354-1369, 1968.
Inspire Record 53978 DOI 10.17182/hepdata.26501

A systematic survey of strange-particle final states produced by 8−BeVc protons was made in the BNL 80-in. hydrogen bubble chamber. Cross sections were measured for some 33 reactions. The ratio of the cross section for the KK¯ channels to the total strange-particle cross section was measured to be 0.12 and appears to be rising in this momentum region. The total cross section for strange-particle production is estimated as 1.8±0.2 mb. Comparison is made of the data with the predictions of the one-pion-exchange model, and at least partial agreement occurs for the K+pΛ and πKNΣ final states. The KpΣ states appear to contain N*(1924)→KΣ, and the πKNΛ states all include Y*(1385) production with the π+K0pΛ state also containing N*(1236) and K*(890) production. An examination of the five- and six-body K, Λ states indicates strong Y*(1385) and N*(1236) production. Finally, all final states containing a K and a Λ show a dependence on M(K,Λ) which is well parametrized by a Breit-Wigner shape with M0=1777 MeV and Γ=345 MeV. This behavior is interpreted as being consistent with one-pion exchange as the dominant mechanism for these reactions.

1 data table
Table 1

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$\pi^+$ Photoproduction Between 1.2 and 3 GeV at Very Small Angles

Buschhorn, G. ; Carroll, J. ; Eandi, R.D. ; et al.
Phys.Rev.Lett. 18 (1967) 571-574, 1967.
Inspire Record 52312 DOI 10.17182/hepdata.21767

The reaction γ+p→π++n has been investigated for photon energies between 1.2 and 3 GeV and pion c.m. angles from 2.5 to 15°. The cross section is strongly peaked in the forward direction and shows resonance structure in the region of the N32*(1920) and N12*(2190).

10 data tables
Table 1

No description provided.

Table 2

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Table 3

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Photoproduction of Single Positive Pions Between 1.2 and 3 GeV

Buschhorn, G. ; Carroll, J. ; Eandi, R.D. ; et al.
Phys.Rev.Lett. 17 (1966) 1027-1030, 1966.
Inspire Record 50803 DOI 10.17182/hepdata.21795

Differential cross sections for the reaction γ+p→n+π+ are presented for incident photon energies between 1.2 and 3 GeV and pion center-of-mass production angles of 15 to 50 deg.

11 data tables
Table 1

No description provided.

Table 2

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Table 3

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