Date

The Absorption of Pions by Deuterons

Durbin, R. ; Loar, H. ; Steinberger, J. ;
Phys.Rev. 84 (1951) 581-581, 1951.
Inspire Record 47326 DOI 10.17182/hepdata.26473

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4 data tables

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n-p Elastic Charge Exchange in the BeV Energy Region

Palevsky, H. ; Moore, J.A. ; Stearns, R.L. ; et al.
Phys.Rev.Lett. 9 (1962) 509-511, 1962.
Inspire Record 46894 DOI 10.17182/hepdata.209

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6 data tables

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Total neutron-nuclei cross-sections at 10 {GeV/c}

Engler, J. ; Horn, K. ; Konig, J. ; et al.
Phys.Lett.B 28 (1968) 64-66, 1968.
Inspire Record 928257 DOI 10.17182/hepdata.29173

Total neutron cross-sections were determined for He, Li, Be, C, Al, Fe, Cu and Pb at an average neutron momentum of 10 GeV/ c . The results agree very well with total proton-neuclei cross-sections at 20 GeV/ c . The interaction radii inferred from the cross-sections are in remarkable agreement with the half-density radii as obtained from electron scattering.

1 data table

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Study of the phi meson production with the orsay electron-positron colliding beams

Augustin, J.E. ; Bizot, J.C. ; Buon, J. ; et al.
Phys.Lett.B 28 (1969) 517-520, 1969.
Inspire Record 56680 DOI 10.17182/hepdata.6179

We have measured the e + e − → φ reaction by the K S 0 K L 0 and 3 π decay modes of the φ. We have deduced Γ ( φ → all), Γ ( φ →e + e − ), as well as B ( φ →K S 0 K L 0 ), B ( φ →K + K − ) and B ( φ → π + π − π 0 ).

3 data tables

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RESONANCE FIT TO 12 DATA POINTS AROUND PHI FOR EACH CHANNEL GIVES PHI WIDTH OF 4.2 +- 0.9 MEV AND BR(PHI --> PI+ PI0 PI-/PHI --> KL KS) OF 0.667 +- 0.157 (RATHER HIGH).

No description provided.


Study of electron-positron annihilation into pi-plus pi-minus on the rho-neutral resonance

Augustin, J.E. ; Bizot, J.C. ; Buon, J. ; et al.
Phys.Lett.B 28 (1969) 508-512, 1969.
Inspire Record 56683 DOI 10.17182/hepdata.29076

The electromagnetic form factor of the pion has been determined in the ϱ o resonance region by measuring the absolute cross section of the reaction e + e − → π + π − with the Orsay storage ring. More than 800 pion pairs have been detected. The excitation curve has been fitted with a Breit-Wigner formula which leads to the following values: σ peak = (1.69 ± 0.21) 10 −30 cm 2 ; m ϱ = (770 ± 4) MeV ; Γ ϱ = (111 ± 6) MeV . The partial width of the ϱ o going into e + e − thus obtained is: Γ ϱ → e + e − =(7.36±0.7) keV .

1 data table

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A study of the elastic neutrino process $\nu + n \to \mu^- + p$

Budagov, I. ; Cundy, D.C. ; Franzinetti, C. ; et al.
Lett.Nuovo Cim. 2 (1969) 689-695, 1969.
Inspire Record 57739 DOI 10.17182/hepdata.37408

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1 data table

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Neutron-proton total cross-sections between 8 gev/c and 21 gev/c

Engler, J. ; Horn, K. ; Moennig, F. ; et al.
Phys.Lett.B 31 (1970) 669-672, 1970.
Inspire Record 63153 DOI 10.17182/hepdata.27111

Neutron-proton total cross-sections were measured in the momentum range from 8 GeV/ c to 21 GeV/ c with an accuracy of better than 2% using a 0 o neutron beam at the CERN Proton Synchrotron. The np total cross-section drops from 39.7 mb at 8 GeV/ c at 21 GeV/ c , and thus follows closely the pp total cross-sections in this momentum interval.

1 data table

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Production of xi- and antixi+ particles in k+ p collisions at 12.7 gev/c

Stone, S.L. ; Berlinghieri, J.C. ; Bromberg, C. ; et al.
Phys.Lett.B 32 (1970) 515-518, 1970.
Inspire Record 63098 DOI 10.17182/hepdata.28710

The cross section for the production of Ξ + particles in K + p interactions at 12.7 GeV/ c is 10 ± 3 μ b; the Ξ − production cross section is 2.5 ± 1.0 μ b; the upper limit on Ω − or Ω + production is 0.4 μb. The Ξ − are produced preferentially in the backward direction in the CM system while the Ξ + are produced mainly forward. The mass and lifetime of the Ξ + agree with the accepted values for the Ξ − hyperon.

1 data table

Cross sections have been corrected for the detection probability of all observed hyperons involved in these reactions.


K- p charge exchange at 3.95 gev/c

Moscoso, L. ; Hubbard, J.R. ; Leveque, A. ; et al.
Phys.Lett.B 32 (1970) 513-514, 1970.
Inspire Record 63099 DOI 10.17182/hepdata.28711

The charge excharge reaction K − p → K 0 n has been studied in a event/μb exposure of the CERN 2m hydrogen bubble chamber to a 3.95 GeV/ c K − beam. The differential cross section d σ /d t exhibits a change of slope at −1 ≈ 0.8 GeV 2 .

2 data tables

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Study of k- pi- scattering using the reaction k- d ---> k- pi- p p(s)

Cho, Y. ; Derrick, M. ; Johnson, D. ; et al.
Phys.Lett.B 32 (1970) 409-412, 1970.
Inspire Record 63111 DOI 10.17182/hepdata.28719

Approximately 700 events of the reaction K − d → K − π − pp s produced by 5.5 GeV/ c kaons were used to measure the cross section for Kπ elastic scattering in the T = 3 2 state by a Chew-Low extrapolation. The cross section does not exceed 2.1 mb and has no structure for Kπ masses from threshold up to 2.0 GeV.

1 data table

Chew-Low extrapolation is used for evaluation of the K- P elastic cross section.