Date

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Inclusive particle production in 400-GeV/c p p interactions

Aguilar-Benitez, M. ; Allison, W.W.W. ; Batalov, A.A. ; et al.
Z.Phys. C50 (1991) 405-426, 1991.
Inspire Record 314091 DOI 10.17182/hepdata.1435
61 data tables

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GENERAL FEATURES AND CLUSTER - LIKE PROPERTIES OF REACTION K+ p ---> K+ p 2 pi+ 2 pi- AT 32-GeV/c

Azhinenko, I.V. ; Belokopytov, Yu.A. ; Chliapnikov, P.V. ; et al.
Sov.J.Nucl.Phys. 34 (1981) 584, 1981.
Inspire Record 165495 DOI 10.17182/hepdata.10705
58 data tables

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DELTA++ AND ANTI-DELTA++ PRODUCTION IN 100-GEV/C ANTI-P P INTERACTIONS.

Ward, D.R. ; Ansorge, R.E. ; Bust, C.P. ; et al.
Nucl.Phys. B141 (1978) 203-219, 1978.
Inspire Record 132549 DOI 10.17182/hepdata.8291
5 data tables

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Inclusive Strange Particle Production in $\pi^- p$ Reaction at 6-{GeV}/$c$

Sugahara, R. ; Ochiai, F. ; Fukui, Y. ; et al.
Nucl.Phys. B156 (1979) 237-251, 1979.
Inspire Record 141670 DOI 10.17182/hepdata.8293

The inclusive production of Λ , K S 0 , Σ ± (1385) and K ∗± (892) in π − p interactions at 6 GeV/ c has been studied. The observed cross sections are: σ ( Λ )=0.94±0.06 mb, σ (K S 0 )=0.98±0.06 mb, σ ( Σ + (1385))=60±7 μb , σ ( Σ − (1385))=90±9 μ b, σ( K ∗+ (892))=216±28 μ b and σ( K ∗− (892))=41±8 μ b , respectively. The inclusive spectra of these particles are presented as functions of squared transverse momentum and Feynman scaling variable x . The polarization of Λ has also been investigated. It is found from a comparison with higher-energy data that the inclusive cross sections for Σ ± (1385) and the production ratios Σ ± (1385)/ Λ in π − p at 6 GeV/ c have not reached the high-energy limiting values.

14 data tables

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PRODUCTION OF K*+- (1385) AND SIGMA*+- (1385) AND anti-SIGMA*+- (1385) RESONANCES IN pi- p INTERACTIONS AT 40-GeV/c

Kladnitskaya, E.N. ; Popova, V.M. ; Toneeva, G.P. ;
Sov.J.Nucl.Phys. 38 (1983) 75, 1983.
Inspire Record 181383 DOI 10.17182/hepdata.9946
7 data tables

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INCLUSIVE K0(S) LAMBDA, K0(S) anti-LAMBDA AND LAMBDA anti-LAMBDA PAIR PRODUCTION IN K+ p INTERACTIONS AT 32-GeV/c

The Soviet-CERN collaboration Azhinenko, I.V. ; Vorobev, A.P. ; Garuchava, Z.Sh. ; et al.
Sov.J.Nucl.Phys. 41 (1985) 593, 1985.
Inspire Record 205770 DOI 10.17182/hepdata.10701
14 data tables

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Inclusive $K^*$+ (892) and $K^*$ (892) Production in $K^+ p$ Interactions at 32-{GeV}/c

The French-Soviet CERN-Soviet collaborations Azhinenko, I.V. ; Bryzgalov, V.V. ; Gerdyukov, L.N. ; et al.
Z.Phys. C5 (1980) 177, 1980.
Inspire Record 153557 DOI 10.17182/hepdata.71085

Total and semi-inclusive cross sections, longitudinal and transverse momentum distributions and spin density matrix elements of theK*+(892) andK*0(892) produced in the inclusive reactionsK+p→K*+(892)+X andK+p→K*0(892)+X at 32 GeV/c are studied in detail. The inclusive spectra of theK*(892) and their decay products are compared with pion and neutral kaon production. TheK*+(892) andK*+(892) are dominantly produced by kaon fragmentation processes. The dependence of average transverse momentum <pT> vs.x for resonances has been investigated for the first time.

55 data tables

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Inclusive phi Production in pi- p Interactions at 16-GeV/c

The Bari-Bonn-CERN-Daresbury-Glasgow-Liverpool-Milan-Vienna collaboration Ghidini, B. ; Navach, F. ; Palano, A. ; et al.
Phys.Lett. B68 (1977) 186, 1977.
Inspire Record 119248 DOI 10.17182/hepdata.48929
4 data tables

No description provided.

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DATA OBTAINED FROM FIGURE BY A.A. LEBEDEV.

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Inclusive Delta++ (1232) Production in pi+ p, pi- p and K- p Interactions at 16-GeV/c

The Aachen-Berlin-Bonn-CERN-Cracow-Heidelberg-London-Vienna-Warsaw collaboration Bartke, J. ; Deutschmann, M. ; Kirk, H.G. ; et al.
Nucl.Phys. B137 (1978) 189, 1978.
Inspire Record 5621 DOI 10.17182/hepdata.51524
9 data tables

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Difference of nonannihilation anti-p p interactions at 22.4-GeV/c from p p interactions at close energy

Batyunya, B.V. ;
Conference Paper, 1989.
Inspire Record 292242 DOI 10.17182/hepdata.54979

The longitudinal and transverse momentum distributions of protons and π±-mesons, produced and pp interactions at close energy (22-24 GeV), are compared. The existence of a difference between these (P<1.2 GeV/c in laboratory system) and for mesons accompaying them, is shown. The observed difference increases with increasing the multiplicity of charged particles. For π+ mesons it increases with decreasing the momentum of accompaying protons. These effects do not practically exist for π- mesons

34 data tables

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Study of Inclusive Production of $\pi^\pm$ and Protons in $\bar{p} p$ Interactions at 32-{GeV}/$c$

The French-Soviet CERN-Soviet collaborations Vlasov, E.V. ; Babintsev, V.V. ; Bumazhnov, V.A. ; et al.
Z.Phys. C13 (1982) 95, 1982.
Inspire Record 176790 DOI 10.17182/hepdata.1191
38 data tables

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Invariant cross-section for charged pion production in anti-p p collisions at an incident momentum of 22.4-GeV/c

Boos, E.G. ; Temiralev, T. ; Ermilova, D.I. ; et al.
Phys.Atom.Nucl. 59 (1996) 463-469, 1996.
Inspire Record 431960 DOI 10.17182/hepdata.17173
4 data tables
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Inclusive $\phi$ Production in $K^+ p$ Interactions at 70-{GeV}/$c$

The Brussels-CERN-Genoa-Mons-Nijmegen-Serpukhov collaboration Barth, M. ; De Clercq, C. ; De Wolf, E.A. ; et al.
Phys.Lett. B117 (1982) 267-271, 1982.
Inspire Record 178885 DOI 10.17182/hepdata.41158
4 data tables
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Inclusive Production of Nonstrange Resonances in $K^- p$ Interactions at 32-{GeV}/$c$

The French-Soviet CERN-Soviet collaborations Arestov, Yu.I. ; Borovikov, A.A. ; Gensch, U. ; et al.
Z.Phys. C8 (1981) 283, 1981.
Inspire Record 155144 DOI 10.17182/hepdata.41428

New data on the inclusive production of the non-strange resonances ϱ0(770), ω(783), ϕ(1020) andf(1270) inK− p interactions at 32 GeV/c are presented. The inclusive production cross sections are equal to (4.32±0.72) mb, (3.7±1.4) mb, (0.65±0.10) mb and (0.91±0.35) mb respectively. Estimates of the topological cross sections are also obtained. The invariant and non-invariantx-distributions for the vector mesons ϱ0 and ϕ indicate the prevalence of forward resonance production in the c.m. system. For the tensorf-meson the rapidity andx-distributions are presented. Thet′-distributions for ϱ0, ϕ, andf have exponential slopes of 0.6±0.1 GeV−2, 1.2±0.2 GeV−2, and 0.8±0.5 GeV−2 respectively. The exponential slope ofpT2-distribution of thef-meson is equal to (2.3±0.5) GeV−2.

13 data tables
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Production of $J/\psi$ in 16-{GeV} and 22-{GeV} $\pi^-$ Cu Collisions

Phys.Lett. B81 (1979) 401-404, 1979.
Inspire Record 7053 DOI 10.17182/hepdata.50278
2 data tables

Inclusive $\pi^0$ Production in $\pi^+ p$, $K^+ p$ and $p p$ Interactions at 250-{GeV}/$c$

The NA22 collaboration Adamus, M. ; Azhinenko, I.V. ; Ataian, M.R. ; et al.
Z.Phys. C35 (1987) 7, 1987.
Inspire Record 240345 DOI 10.17182/hepdata.40897
4 data tables
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Measurement of $\Upsilon$ Production for $p+p$ and $p+d$ Interactions at 800 GeV/c

The NuSea collaboration Zhu, L.Y. ; Reimer, Paul E. ; Mueller, B.A. ; et al.
Phys.Rev.Lett. 100 (2008) 062301, 2008.
Inspire Record 763967 DOI 10.17182/hepdata.42715

We report a high statistics measurement of Upsilon production with an 800 GeV/c proton beam on hydrogen and deuterium targets. The dominance of the gluon-gluon fusion process for Upsilon production at this energy implies that the cross section ratio, $\sigma (p + d \to \Upsilon) / 2\sigma (p + p\to \Upsilon)$, is sensitive to the gluon content in the neutron relative to that in the proton. Over the kinematic region 0 < x_F < 0.6, this ratio is found to be consistent with unity, in striking contrast to the behavior of the Drell-Yan cross section ratio $\sigma(p+d)_{DY}/2\sigma(p+p)_{DY}$. This result shows that the gluon distributions in the proton and neutron are very similar. The Upsilon production cross sections are also compared with the p+d and p+Cu cross sections from earlier measurements.

4 data tables

Differential cross section per nucleon as a function of Feynman X for UPSILON production on the DEUT target.

Differential cross section per nucleon as a function of Feynman X for UPSILON production on the P target.

Differential cross section per nucleon as a function of transverse momentum for UPSILON production on the DEUT target.

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Production of V0 pairs in the hyperon experiment WA89

The WA89 collaboration Adamovich, M.I. ; Alexandrov, Yu.A. ; Baranov, S.P. ; et al.
Eur.Phys.J. C52 (2007) 857-874, 2007.
Inspire Record 772833 DOI 10.17182/hepdata.11375

We present a comprehensive study of the inclusive production of V 0 V 0 pairs (V 0 =Lambda, Lambda-bar or K S ) by Sigma - and pi - of 340 GeV/ c momentum and neutrons of 260 GeV/ c mean momentum in copper and carbon targets. In particular, the de pendence of the x F spectra on the combination of beam-particle and produced V 0 V 0 pair is investigated and compared to predictions obtained from PYTHIA and QSGM calculations. The data and these predictions differ in many details, the agreement can at b est be termed as qualitative. A signal from decays of the tensor meson f? 2 (1525) was observed in the K S K S mass distribution and inclusive production cross sections were measured. No signal was found from the double-strange H-dibaryon decaying to Lamb daLambda.

98 data tables

V0 V0 cross section for N on CU target.

V0 V0 cross section for N on C target.

V0 V0 cross section for PI- on CU target.

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Photoproduction of D*+- mesons associated with a leading neutron

The ZEUS collaboration Chekanov, S. ; Derrick, M. ; Krakauer, D. ; et al.
Phys.Lett. B590 (2004) 143-160, 2004.
Inspire Record 642709 DOI 10.17182/hepdata.46281

The photoproduction of $D^{*\pm} (2010)$ mesons associated with a leading neutron has been observed with the ZEUS detector in $ep$ collisions at HERA using an integrated luminosity of 80 pb$^{-1}$. The neutron carries a large fraction, {$x_L>0.2$}, of the incoming proton beam energy and is detected at very small production angles, {$\theta_n<0.8$ mrad}, an indication of peripheral scattering. The $D^*$ meson is centrally produced with pseudorapidity {$|\eta|<1.5$}, and has a transverse momentum {$p_{\it T} > 1.9$ GeV}, which is large compared to the average transverse momentum of the neutron of 0.22 GeV. The ratio of neutron-tagged to inclusive $D^*$ production is $8.85\pm 0.93({\rm stat.})^{+0.48}_{-0.61}({\rm syst.})\%$ in the photon-proton center-of-mass energy range {$130 <W<280$ GeV}. The data suggest that the presence of a hard scale enhances the fraction of events with a leading neutron in the final state.

8 data tables

Integrated cross section. The first DSYS error includes the uncertainty in the luminosity and the second DSYS error is due to the knowledge of the branching ratios.

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V0, anti-Xi+ and Omega- inclusive production cross-sections measured in hyperon experiment WA89 at CERN

The WA89 collaboration Adamovich, M.I. ; Aleksandrov, Yu.A. ; Baranov, S.P. ; et al.
Eur.Phys.J. C26 (2003) 357-370, 2003.
Inspire Record 614087 DOI 10.17182/hepdata.43217
28 data tables

Total inclusive hyperon production cross sections for the SIGMA- beam on the Copper target.

Total inclusive hyperon production cross sections for the SIGMA- beam on the Carbon target.

Total inclusive hyperon production cross sections per nucleon for the SIGMA- beam, and the exponent in the cross section parametrization of the form A**POWER.

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Inclusive V0 production cross-sections from 920-GeV fixed target proton nucleus collisions

The HERA-B collaboration Abt, I. ; Abyzov, A. ; Adams, M. ; et al.
Eur.Phys.J. C29 (2003) 181-190, 2003.
Inspire Record 604661 DOI 10.17182/hepdata.46479

Inclusive differential cross sections $d\sigma_{pA}/dx_F$ and $d\sigma_{pA}/dp_t^2$ for the production of \kzeros, \lambdazero, and \antilambda particles are measured at HERA in proton-induced reactions on C, Al, Ti, and W targets. The incident beam energy is 920 GeV, corresponding to $\sqrt {s} = 41.6$ GeV in the proton-nucleon system. The ratios of differential cross sections \rklpa and \rllpa are measured to be $6.2\pm 0.5$ and $0.66\pm 0.07$, respectively, for \xf $\approx-0.06$. No significant dependence upon the target material is observed. Within errors, the slopes of the transverse momentum distributions $d\sigma_{pA}/dp_t^2$ also show no significant dependence upon the target material. The dependence of the extrapolated total cross sections $\sigma_{pA}$ on the atomic mass $A$ of the target material is discussed, and the deduced cross sections per nucleon $\sigma_{pN}$ are compared with results obtained at other energies.

7 data tables

Inclusive differential cross section DSIG/DXL for K0S production in the XL interval -0.12 to 0.0 plus the total cross section after extrapolation to the full XL range.

Inclusive differential cross section DSIG/DXL for LAMBDA production in the XL interval -0.12 to 0.0 plus the total cross section after extrapolation to thefull XL range.

Inclusive differential cross section DSIG/DXL for LAMBDABAR production in the XL interval -0.12 to 0.0 plus the total cross section after extrapolation to the full XL range.

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Leading neutron production in e+ p collisions at HERA

The ZEUS collaboration Chekanov, S. ; Krakauer, D. ; Magill, S. ; et al.
Nucl.Phys. B637 (2002) 3-56, 2002.
Inspire Record 587158 DOI 10.17182/hepdata.46613

The production of neutrons carrying at least 20% of the proton beam energy ($\xl > 0.2$) in $e^+p$ collisions has been studied with the ZEUS detector at HERA for a wide range of $Q^2$, the photon virtuality, from photoproduction to deep inelastic scattering. The neutron-tagged cross section, $e p\to e' X n$, is measured relative to the inclusive cross section, $e p\to e' X$, thereby reducing the systematic uncertainties. For $\xl >$ 0.3, the rate of neutrons in photoproduction is about half of that measured in hadroproduction, which constitutes a clear breaking of factorisation. There is about a 20% rise in the neutron rate between photoproduction and deep inelastic scattering, which may be attributed to absorptive rescattering in the $\gamma p$ system. For $0.64 < \xl < 0.82$, the rate of neutrons is almost independent of the Bjorken scaling variable $x$ and $Q^2$. However, at lower and higher $\xl$ values, there is a clear but weak dependence on these variables, thus demonstrating the breaking of limiting fragmentation. The neutron-tagged structure function, ${{F}^{\rm\tiny LN(3)}_2}(x,Q^2,\xl)$, rises at low values of $x$ in a way similar to that of the inclusive \ff of the proton. The total $\gamma \pi$ cross section and the structure function of the pion, $F^{\pi}_2(x_\pi,Q^2)$ where $x_\pi = x/(1-\xl)$, have been determined using a one-pion-exchange model, up to uncertainties in the normalisation due to the poorly understood pion flux. At fixed $Q^2$, $F^{\pi}_2$ has approximately the same $x$ dependence as $F_2$ of the proton.

18 data tables

The XL bins, their acceptance and the acceptance uncertainty. The RH columnshows the contribution from the energy-scale uncertainty - this is completely c orrelated between the bins.

The slope of the PT**2 distribution from the 1995 DIS data. The uncertainties shown in this table were communicated to us by the authors, and supercede those given in the paper.

The normalized cross section (1/SIG)DSIG/dXL for leading neutrons with THETA < 0.8 mrad with statistical errors only.. For the lowest Q**2 data, the normalization uncertainty is +-5 PCT, and with XL > 0.52 there is a further normalization uncertainty of +-4 PCT.. For the intermediate Q**2 and DIS data the normalization uncertainty is +-4 PCT.

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A study of Sigma+-, Sigma*+- and anti-Sigma(1385)- production in the hyperon beam experiment WA89 at CERN

The WA89 collaboration Adamovich, M.I. ; Aleksandrov, Yu.A. ; Baranov, S.P. ; et al.
Eur.Phys.J. C22 (2001) 255-267, 2001.
Inspire Record 570717 DOI 10.17182/hepdata.43263
26 data tables

Total inclusive production cross sections for the SIGMA- beam on the Coppertarget.

Total inclusive production cross sections for the SIGMA- beam on the Carbontarget.

Total inclusive production cross sections per nucleon for the SIGMA- beam, and the exponent in the cross section parametrization of the form A**POWER.

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