Casper, D.
nucl-ex
Strange production
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K- p Charge Exchange and Hyperon Production Cross-Sections from 860-MeV/c to 1000-MeV/c

Jones, M. ; Levi Setti, R. ; Merrill, D. ; et al.
Nucl.Phys.B 90 (1975) 349-383, 1975.
Inspire Record 91346 DOI 10.17182/hepdata.6742

The K − p reactions leading to charge exchange and hyperon final states have been studied at nine momenta between 862 and 1001 MeV/ c using data from a 600 000 picture exposure of the Lawrence Berkeley Laboratory 25″ liquid hydrogen bubble chamber. Partial cross sections are determined for all final states resolved by kinematic fitting. In addition, differential cross sections are presented for the two-body final states K o n , Λπ o and Σ +- π -+ along with hyperon polarization angular distributions for Λπ o and Σ + π − .

61 data tables
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Study of pi- n and pi- C-12 Interactions Involving Strange Particles at the Momentum of 40-GeV/c

Angelov, N. ; Vishnevskaya, K.P. ; Grishin, V.G. ; et al.
Yad.Fiz. 24 (1976) 732-741, 1976.
Inspire Record 100544 DOI 10.17182/hepdata.18228

None

5 data tables
Table 1

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Inclusive Single Particle Production at 90-Degrees in the Center-Of-Mass System for Nuclear Targets and 28.5-GeV/c Incident Protons

Becker, U. ; Burger, J. ; Chen, M. ; et al.
Phys.Rev.Lett. 37 (1976) 1731-1734, 1976.
Inspire Record 115394 DOI 10.17182/hepdata.21074

The invariant cross section for the inclusive production of π+, π−, K+, K−, p, and p¯ is presented for proton-nucleon interactions at plab=28.5 GeV/c. Beryllium, titanium, and tungsten targets were used and the yields were extrapolated to A=1 using the power law σ∼Aα. The exponent α increases with pT, except for protons. The pT dependence of the cross sections is compared with a simple fireball model.

2 data tables
Table 1

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Table 2

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Production of Massive Muon Pairs by 300-GeV and 400-GeV Protons

Kluberg, L. ; Piroue, P.A. ; Sumner, Richard L. ; et al.
Phys.Rev.Lett. 37 (1976) 1451, 1976.
Inspire Record 4051 DOI 10.17182/hepdata.1201

We have observed muon pairs with effective masses in the range 7<~Mμμ<~11 GeV/c2 produced by 300- and 400-GeV protons incident on a Cu target at Fermilab. The production cross section per nucleon, dσdMμμ, for 400-GeV incident protons is found to fall from 1 × 10−36 cm2/(GeV/c2) at Mμμ=7.7 GeV/c2 to 2.7 × 10−38 cm2/(GeV/c2) at Mμμ=11.2 GeV/c2. We find that a significant fraction of the observed direct single muons come from high-mass dimuons.

12 data tables
Table 1

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A Study and Comparison of the Inclusive Reactions pi+ n --> rho0 x and K- p --> anti-K*0 x

Eisner, R.L. ; Fickinger, W. ; Malko, J.A. ; et al.
Nucl.Phys.B 119 (1977) 1, 1977.
Inspire Record 4308 DOI 10.17182/hepdata.35597

Data are presented on the reactions π + n → ϱ 0 + X and K − p → K ∗0 + X at 6.0 and 7.3 GeV/ c , respectively. Comparisons are made between these two reactions and with other reactions involving inclusive vector meson production at different energies.

16 data tables
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A Study of the Reactions K- d --> K- d and K- d --> K- n p(s) at 4.5-GeV/c

De Clercq, C. ; Johnson, D. ; Lemonne, J. ; et al.
Nucl.Phys.B 126 (1977) 397-416, 1977.
Inspire Record 120578 DOI 10.17182/hepdata.35285

Results are presented concerning K − d and K − n elastic scattering at an incident momentum of 4.5 GeV/ c . The high-energy Glauber formalism has been used in analyzing the data in which the nucleon scattering amplitudes are parameterized and employing the spherical and quadrupole deuteron form factors. An impulse approximation analysis of the K − n differential scattering cross section fitted to a single exponential of the form d σ /d t ) 0 e Bt , leads to the result (d σ /d t ) 0 = 21.3 + mn ; 5.5 mb/(GeV/ c ) 2 and B = 6.9 + mn ; 0.5 (GeV/ c ) −2 . A global fit has been made to existing K + mn; N two-body scattering data at this energy in order to determine the scattering amplitudes. It was found that the K − n and K − p elastic amplitudes are dominantly imaginary with a relatively small contribution from spin-flip amplitudes. The slopes of the differential elastic cross sections for K − n and K − p are nearly equal, as are those for K + n and K + p. However, the value of the slope for K + is smaller than that for K − at this energy.

3 data tables
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Precise Coherent $K_S$ Regeneration Amplitudes for C, Al, Cu, {SN} and Pb Nuclei From 20-{GeV}/$c$ to 140-{GeV}/$c$ and Their Interpretation

Gsponer, A. ; Hoffnagle, J. ; Molzon, W.R. ; et al.
Phys.Rev.Lett. 42 (1979) 13, 1979.
Inspire Record 6964 DOI 10.17182/hepdata.20800

We have determined the coherent KS regeneration amplitudes on various nuclei, from 20 to 140 GeV/c, using a particularly systematics-free technique. Our results are well represented by |(f−f¯)k|=2.23A0.758p−0.614 mb. This p dependence corresponds to an effective "nuclear" intercept ``αω(0)''=0.386±0.009, whereas the elementary value is αω(0)=0.44±0.01. Comparisons are made with data below 25 GeV/c, and with optical-model predictions. The latter work only if "αω(0)" is postulated to hold for the elementary amplitudes.

1 data table
Table 1

No description provided.


K+ P AND K- P ELASTIC SCATTERING AT 32.1-GEV/C. FRANCE-SOVIET UNION AND CERN-SOVIET UNION COLLABORATIONS

Lewin, C. ; Denegri, D. ; Givernaud, A. ; et al.
Z.Phys.C 3 (1979) 275-284, 1979.
Inspire Record 148166 DOI 10.17182/hepdata.15899

None

2 data tables
Table 1

CROSS-OVER IS AT -T = 0.17 +- 0.02 GEV**2. DIVIDE BY 20 TO GET D(SIG)/DT IN MB/GEV**2. CORRECTED FOR LOST EVENTS FOR -T < 0.12 GEV**2.

Table 2

FROM QUADRATIC EXPONENTIAL FIT TO D(SIG)/DT. BOTH STATISTICAL AND SYSTEMATIC ERRORS INCLUDED IN VALUES.


MEASUREMENTS OF THE EM TIMELIKE FORM-FACTORS FOR KAON AND PION AT S**(1/2) = 1.5-GEV

Esposito, B. ; Marini, A. ; Piano Mortari, Giovanni ; et al.
Lett.Nuovo Cim. 28 (1980) 337-342, 1980.
Inspire Record 158283 DOI 10.17182/hepdata.37369

None

1 data table
Table 1

No description provided.


Measurement of $\Lambda^0$ Polarization in Inclusive $\Lambda^0$ Production at 28.5-{GeV}/c

Lomanno, F. ; Jensen, D. ; Kreisler, M.N. ; et al.
Phys.Rev.Lett. 43 (1979) 1905-1908, 1979.
Inspire Record 8757 DOI 10.17182/hepdata.20756

Λ∘ polarization in inclusive production by protons on iridium has been measured at 28.5 GeV/c over the region 0.55 GeV/c<~P⊥<~1.6 GeV/c. The polarization rises from (-12.6±5.5)% at 0.55 GeV/c to (-33.4±4.6)% at 1.6 GeV/c. Significant differences from previous measurements at other energies with different targets are observed, particularly at low P⊥.

1 data table
Table 1

No description provided.