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Lambda p Interactions Below 24-GeV/c

Mount, R.P. ; Ansorge, R.E. ; Carter, J.R. ; et al.
Phys.Lett.B 58 (1975) 228-232, 1975.
Inspire Record 103555 DOI 10.17182/hepdata.27777

Λp interactions have been studied at momenta up to 24 GeV/ c using a new bubble chamber technique. We find that the Λp elastic cross section has fallen to approximately 6 mb at the highest momentum. Results are presented on Λ p→ Λ p π + π − for the first time above 5 GeV c .

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

ESTIMATE.

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Measurement of Elastic Sigma- p Scattering at 17.2-GeV/c

Blaising, J.J ; Chatelus, Y. ; Morand, R. ; et al.
Phys.Lett.B 58 (1975) 121-124, 1975.
Inspire Record 103553 DOI 10.17182/hepdata.27811

Elastic Σ − p and π − p cross section have been measured at 17.2 GeV/ c in the t interval −0.12, −0.38 (GeV/ c ) 2 . The Σ − p slope is b = 8.12 ± 0.35 (GeV/ c ) −2 .

3 data tables
Table 1

No description provided.

Table 2

NORMALIZED TO PI- P ELASTIC FORWARD DIFFERENTIAL CROSS SECTION OF 31.2 +- 1.9 MB/GEV**2 (PLUS 6 PCT SYSTEMATIC ERROR) OF K. J. FOLEY ET AL., PRL 11, 425 (1963).

Table 3

NUMERICAL VALUES SUPPLIED BY J. J. BLAISING AND ADDED TO RECORD ON 19 DEC 77.


Lambda-Proton Elastic Scattering from 1-GeV/c to 17-GeV/c

Anderson, K.J. ; Gelfand, N.M. ; Keren, J. ; et al.
Phys.Rev.D 11 (1975) 473-477, 1975.
Inspire Record 103336 DOI 10.17182/hepdata.24870

The Λ-proton elastic scattering cross section has been measured between 1 and 17 GeV/c in a bubble chamber experiment. These are the first measurements of the elastic cross section for pΛ>5 GeV/c. The Λ's were produced by 25-GeV/c proton interactions in a platinum target. The cross section falls from 22 to 4 mb over the region. No significant polarization is observed.

2 data tables
Table 1

No description provided.

Table 2

CORRECTION MADE FOR KL P --> KS P.


Study of the Reaction anti-p p --> anti-Delta++ Delta++ at 9.1-GeV/c

Walck, C. ; Carlsson, R. ; Ekspong, G. ; et al.
Nucl.Phys.B 100 (1975) 61-73, 1975.
Inspire Record 104375 DOI 10.17182/hepdata.36103

Single and joint decay angular distributions in the reaction p p → Δ ++ Δ ++ at 9.13 GeV/ c are discussed in the framework of single and double statistical tensors. The t dependence of 12 double statistical tensors is presented. Cross sections for p p → p p π + π − and p p → Δ ++ Δ ++ are determined to be 2.60 ± 0.10 and 0.90 ± 0.10 mb respectively. The results obtained are compared with other experiments mainly at 5.7 and 12 GeV/ c .

4 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

FROM FITTING DECAY ANGULAR DISTRIBUTIONS OF BOTH ISOBARS ADDED.

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Resonance Production in the Reactions pi+ d --> p(s) p pi+ pi- and pi+ d --> p(s) p pi+ pi- pi0 at 11.7-GeV/c

Kemp, D. ; Lotts, A.P. ; Scarrott, S.M. ; et al.
Nuovo Cim.A 27 (1975) 155-173, 1975.
Inspire Record 102951 DOI 10.17182/hepdata.37719

Results are presented for the reactions (1) π+n→pπ+π−, (2) π+n→pπ+π−π0, at an incident pion beam momentum of 11.7 GeV/c. Both reactions show considerable resonance production. Reaction (1) is dominated by ρ0 and f0 production and there is evidence for the variation of the ρ00 width with momentum transfer. Decay angular distributions are presented for the dipion system observed in reaction (1). Reaction (2) shows the production of both dipion and tripion resonances and there is evidence for the associated production of\(\mathcal{N}\)-resonances with the dipion resonances.

4 data tables
Table 1

No description provided.

Table 2

DN/DT PLOTTED. ALL RESONANCES ARE DEFINED JUST BY MASS CUTS.

Table 3

RHO0 MASS REGION OF DIPION SYSTEM. NUMERICAL VALUES TAKEN FROM TABLE 6.1 OF THE THESIS BY D. KEMP (DURHAM 1974).

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Spin Parity Analysis of the rho (1.71) Resonance Produced in 9.1-GeV/c pi- p Interactions

Armenise, N. ; Fogli Muciaccia, M.T. ; Silvestri, A. ; et al.
Lett.Nuovo Cim. 14 (1975) 177-183, 1975.
Inspire Record 103792 DOI 10.17182/hepdata.37443

None

1 data table
Table 1

FOUR PION RESONANCE CALLED RHO(1.71) BY AUTHORS. DECAY IS CONSISTENT WITH 100 PCT <RHO0 RHO-> MODE.


Study of pi- Meson Elastic Scattering by Protons at Small Angles

Apokin, V.D. ; Derevshchikov, A.A ; Matulenko, Yu.A. ; et al.
Yad.Fiz. 21 (1975) 1240-1246, 1975.
Inspire Record 103333 DOI 10.17182/hepdata.19099

None

3 data tables
Table 1

No description provided.

Table 2

No description provided.

Table 3

IM(AMP) VIA OPTICAL THEOREM FROM TOTAL CROSS SECTIONS OF L. M. VASILYEV ET AL., PL 36B, 528 (1971).


Quasi Two Particle Reactions in Proton Proton Interactions at 19.1-GeV/c Momentum

Takibaev, Zh.S. ; Boos, E.G. ; Sanko, L.A. ; et al.
Yad.Fiz. 21 (1975) 1015-1021, 1975.
Inspire Record 103077 DOI 10.17182/hepdata.19095

None

2 data tables
Table 1

No description provided.

Table 2

No description provided.


Evidence for a New Meson Resonance at 2340-MeV

Baltay, C. ; Cautis, C.V. ; Cohen, Daniel H. ; et al.
Phys.Rev.Lett. 35 (1975) 891-901, 1975.
Inspire Record 103634 DOI 10.17182/hepdata.21130

Evidence is presented for a new meson resonance at 2340±20 MeV, with a width of 180±60 MeV, decaying primarily into ρρπ. The resonance, which is observed in 15-GeV/c π+p interactions, has isotopic spin 1 or 2 and odd G parity. The cross section for production of the ρρπ state is 7.3±1.7 μb. Branching ratios into ρρπ and other decay modes are given.

1 data table
Table 1

No description provided.


Study of the $\bar{p} d- \to \bar{p} pn$ and $\bar{p} n- \to \bar{p} n$ reactions at 5.55 GeV/c

Braun, Henri ; Brick, D. ; Fridman, A. ; et al.
Phys.Rev.D 10 (1974) 3573-3578, 1974.
Inspire Record 97249 DOI 10.17182/hepdata.24934

From a 150 000-photograph exposure, we analyzed the p¯d→p¯psn reaction, ps denoting a proton stopping in the deuterium-filled bubble chamber. Choosing kinematical regions in which the ps can be recognized as a spectator, we studied the p¯n→p¯n process. From the observed p¯n diffraction peak, we obtained an exponential slope for the four-momentum-transfer distribution of bn=9.4±0.8 (GeV/c)−2, the elastic p¯n cross section being estimated as σe(p¯n)=16.5±2.4 mb. The present values in conjunction with those obtained at ≈1.8 and 3.5 GeV/c show that in this region bn and σe(p¯n) decrease with increasing incident momentum. We compared our data with the reactions np→np at ≈5.4 GeV/c and p¯p→p¯p at 5.7 GeV/c. The p¯n→p¯n and np→np differential cross sections exhibit a crossover phenomenon while p¯p and p¯n elastic scattering show an isospin dependence. We also analyzed the p¯d→p¯psn reaction by means of the Glauber formalism.

2 data tables
Table 1

No description provided.

Table 2

No description provided.