The reaction pi- p ---> eta0 n in the momentum region up to 50 gev/c

Bolotov, V.N. ; Isakov, V.V. ; Kakauridze, D.B. ; et al.
Yad.Fiz. 18 (1973) 1262-1269, 1973.
Inspire Record 95279 DOI 10.17182/hepdata.19143

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1 data table

No description provided.


The reactions $k^{+}d \to k^{+}d, k^{+}d \to k^{+}pn$ and $k^{+}d \to k^{0}pp$ at 3 Gev/$c$ with an investigation of $k^+n$ scattering

Buchner, K. ; Dehm, G. ; Geist, Walter M. ; et al.
Nucl.Phys.B 44 (1972) 110-124, 1972.
Inspire Record 75078 DOI 10.17182/hepdata.32864

As a partial result of an analysis of K + d interactions at 3 GeV/ c produced in the 81 cm Saclay bubble chamber, we present data on K + differential cross sections for the following reactions: K + d → K + d, K + d → K + pn, K + d → K 0 pp . A set of parameters describing the K + n elastic scattering has been obtained from a simulataneous fit, based on the Glauber model. to the three experimental differential cross sections and to the K + d total cross section, giving α n = 1.7 ± 0.5 GeV −2 for the slope α n of the differential cross section, and ρ n = −0.16 ± 0.3 for the ratio of the real to the imaginary part of the forward scattering amplitude. The D-wave function of the deuteron has been found to give a non-negligible contribution to the coherent reaction.

6 data tables

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The reactions k- p ---> 0- 1/2+ at an incoming momentum of 4.25 gev/c

Blokzijl, R. ; De Groot, A.J. ; Hoogland, W. ; et al.
Nucl.Phys.B 51 (1973) 535-551, 1973.
Inspire Record 84291 DOI 10.17182/hepdata.32705

A bubble-chamber study is presented of a 10 events/μb experiment using K − mesons of 4.25 GeV/ c incident momentum. Differential and total cross sections are determined for 7 different reactions: K − p → K 0 n ( la ), → π 0 Λ ( lb ), → ηΛ ( lc ), → η′Λ ( ld ), → π − Σ ( le ), → π + Σ − ( lf ), K + Ξ − ( lg ) . The experimental characteristics in d σ /d t of each reaction are described: (la) shows a levelling off at t = 0 (GeV/ c ) 2 , a break at t = −0.6 (GeV/ c ) 2 and no backward events, (lb) d σ /d t has a smooth behaviour and a measurable backward component with an indication of a dip at u = −0.2 (GeV/ c ) 2 , (1c) d σ /d t shows a dip in the region between t ≈ −0.2 and −0.4 (GeV/ c ) 2 , (ld) d σ /d t has a smooth behaviour; neither this reaction nor the preceding one shows a clear evidence for backward events, (le) d σ /d t has a break at t = −0.5 (GeV/ c ) 2 ; there is a significant cross section in the backward region; (lf) and (lg) show mainly backward production. The polarization of the hyperon is measured in the reactions (lb), (lc), (ld) and (le) in the forward production peak. The statistics do not allow the detection of a definite structure in the polarization but the sign and magnitude are determined. An interpretation of the results is given in terms of a dual Regge model, including the effects of absorption as elaborated recently by several authors.

14 data tables

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The reactions k- p ---> lambda(sigma0) vector meson at 3.95 gev/c

Rouge, A. ; Videau, H. ; Videau, I. ; et al.
Nucl.Phys.B 44 (1972) 365-389, 1972.
Inspire Record 75019 DOI 10.17182/hepdata.32867

We present complete results concerning the five reactions K − p → Λω , K − p → Λφ , K − p → Σ 0 ϱ and K − p → Σ 0 φ . The experimental data are well described by exchange mechanisms and the agreement with the SU(3) symmetry predictions is excellent.

16 data tables

FORWARD AND BACKWARD CROSS SECTIONS ARE FOR COS(THETA) > AND < 0. SLOPE DETERMINED FOR -TP = 0.2 TO 1.0.

AUTHORS ALSO GIVE CORRELATIONS OF LAMBDA POLARIZATION WITH THE MESON POLARIZATION.

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The reactions pi- p ---> n pi0 and pi- p ---> n eta0 in the backward hemisphere

Boright, J.P. ; Bowen, D.R. ; Groom, Donald E. ; et al.
Phys.Lett.B 33 (1970) 615-619, 1970.
Inspire Record 69352 DOI 10.17182/hepdata.28717

Cross sections for π − p→n π o at 5.9, 10.1 and 13.8 GeV/ c incident momentum are presented in the angular region from 180 o to u , the crossed four-momentum transfer squared, of −2(GeV) 2 and the energy dependence is discussed. The cross section for π − p→n η o integrated over the same angular region at 5.9 GeV/ c is also presented.

3 data tables

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The real part of the proton-neutron scattering amplitude at 19.3 GeV/c

Bellettini, G. ; Cocconi, G. ; Diddens, A.N. ; et al.
Phys.Lett. 19 (1965) 341-345, 1965.
Inspire Record 1392872 DOI 10.17182/hepdata.30174

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1 data table

'1'. '2'. 'GLAUB'.


The recoil proton polarization in the reaction gamma p ---> pi0 p in the third resonance region

Prentice, M.N. ; Railton, R. ; Rutherglen, J.G. ; et al.
Nucl.Phys.B 41 (1972) 353-364, 1972.
Inspire Record 75162 DOI 10.17182/hepdata.32916

Measurements have been made of the polarization of the recoil proton in the process γ p → π o p for photon energies of 850 - 1250 MeV and centre-of-mass angles of 80° - 125°. The results, which are to a typical accuracy of ±0.09, show a marked disagreement with previous phenomenological analyses above 1000 MeV.

5 data tables

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The relative differential cross-section data in elastic scattering of negative pions on protons between 1.43-GeV/c and 2.07-GeV/c

Alekseev, I.G. ; Budkovsky, P.E. ; Kanavets, V.P. ; et al.
136-141, 1989.
Inspire Record 292460 DOI 10.17182/hepdata.40058

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1 data table

NAME=THEORY DENOTES THE MONTE-CARLO GENERATED CROSS SECTIONS.


The role of double parton collisions in soft hadron interactions.

Alexopoulos, T. ; Anderson, E.W. ; Biswas, N.N. ; et al.
Phys.Lett.B 435 (1998) 453-457, 1998.
Inspire Record 480349 DOI 10.17182/hepdata.27080

We have examined charged multiplicities arising from p − p and p− p ̄ collisions over the range of center of mass energies, s , from 30 GeV to 1800 GeV. Results from Tevatron experiment E735 support the presence of double parton interactions. These processes can be seen to account for a large fraction of the increase in the non single diffraction inelastic cross section from energies of about 200 GeV to 1800 GeV.

2 data tables

Multiplicity distribution at centre-of-mass energy 1800 GeV.

Multiplicity distributions at centre-of-mass energy 300, 546 and 1000 GeV.


The s Dependence of Double Diffraction Dissociation of Protons at the CERN Intersecting Storage Rings

Goggi, G. ; Mantovani, G.C. ; Cavalli-Sforza, M. ; et al.
Phys.Lett.B 72 (1977) 261-264, 1977.
Inspire Record 121797 DOI 10.17182/hepdata.27507

We report results on a new measurement of the double diffractive reaction pp → (p π + π − ) (p π + π − ) at the ISR obtained with the Split Field Magnet detector. Experimental procedures and data analysis are discussed in detail. The cross section measured at the five standard ISR energies exhibits an increase of (55 ± 7)% in the s -range from 549 to 3892 GeV 2 .

1 data table

DOUBLE DIFFRACTION DISSOCIATION OF PROTONS.