HEPData Search

The production of μe-pairs is studied in interactions of neutrinos with nuclei of heavy freon in the SKAT bubble chamber experiment. A rate of μ−e+ to charged current interactions above the charm threshold of$R^{\mu ^ -e^ +}= (4.6 \pm 1.2) \cdot 10^{ - 3} $ is found. The properties of the observed μ−e+ events can be well described by assuming them to originate from the semileptonic decay of quasielastic produced charmed baryonsΛc and inclusive charmedD-meson production. The rates for these reactions are found to be (6.7±3.5)×10−2 and (2.5±0.9)×10−2, respectively. A total charmed particle production rate of (9.2±3.6)×10−2 is calculated.

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COHERENT pi MESON PRODUCTION IN NEUTRINO AND ANTI-NEUTRINO INTERACTIONS ON FREON NUCLEI

Grabosch, H.J. ; Kaufmann, H.H. ; Krecker, U. ; et al.

IFVE-86-117, 1986.

Inspire Record 234599 DOI 10.17182/hepdata.40875

None

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Final Results on $\mu e$ Pair Production in Neutrino Interactions With Chamber Skat Filled With Freon

Ammosov, V.V. ; Ermolaev, V.I. ; Ivanilov, A.A. ; et al.

Z.Phys.C 40 (1988) 493, 1988.

Inspire Record 263220 DOI 10.17182/hepdata.15559

We present the final results from the search for μe pairs produced in neutrino interactions using the freon filled bubble chamber SKAT. The rate of μ−e+ pairs to charged current events above the charm threshold is$R_{\mu ^ -e^ +}= (4.8 \pm 1.1)10^{ - 3} $. Assuming charm particle production to be the origin of the positron we calculate$R_{\Lambda _c^ +}= (6.2 \pm 3.1)10^{ - 2} $ andRD=(2.8±0.9)10−2. We observe no considerable μ−e− pair production above the background. In the regionEv>3 GeV,pμ,e>1.0 GeV/c andpμ>pe we find with a 90% confidence level the limit$R_{\mu ^ -e^ -}< 1.7 10^{ - 4} $.

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Quasielastic Nucleon and Hyperon Production by Neutrinos and Anti-neutrinos With Energies Below 30-{GeV}

The SKAT collaboration Brunner, J. ; Grabosch, H.J. ; Kaufmann, H.H. ; et al.

Z.Phys.C 45 (1990) 551, 1990.

Inspire Record 26520 DOI 10.17182/hepdata.15281

The cross sections of neutrino and antineutrino quasielastic reactions$vn \to \mu ^ -p,\bar vp \to \mu ^ +n,\bar vp \to \mu ^ +\Lambda$ were studied in the neutrino energy range between 3 and 30 GeV. In comparison withV-A theory axial mass parameters ofMA=(1.06±0.05±0.14) GeV/c2 from neutrino andMA=(0.71±0.10±0.20) GeV/c2 from antineutrino data were found. The total cross-section for the hyperon production process can be described byMA=1.0 GeV/c2.

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Measured Quasi-Elastic total cross section.

NEUTRAL STRANGE PARTICLE PRODUCTION IN NEUTRINO CHARGED CURRENT INTERACTIONS AT 3-GeV TO 30-GeV

Ammosov, V.V. ; Ardashev, E.N. ; Ivanilov, A.A. ; et al.

Z.Phys.C, 1985.

Inspire Record 222758 DOI 10.17182/hepdata.10525

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Observation of $\mu^- e^-$ Events in Neutrino Interactions at 3-{GeV} to 30-{GeV}

Ammosov, V.V. ; Ermolaev, V.I. ; Ivanilov, A.A. ; et al.

Phys.Lett.B 189 (1987) 245-248, 1987.

Inspire Record 240344 DOI 10.17182/hepdata.40796

The production of μ − e − pairs is studied in interactions of neutrinos with nuclei of heavy freon in the SKAT bubble chamber experiment. A rate of μ − e − pairs to charged current interactions of R μ − e − =(2.5± 1.4 4.3 )×10 −4 is found at an average neutrino energy of 10 GeV. The ratio μ − e − / μ − e + comes out to be μ − e − / μ − e + = 0.12± 0.08 0.22 .

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Inclusive Production of Strangeness $S = \pm 1$ Vector and Tensor Resonances on $K^- P$ Interactions at 32-{GeV}/$c$

The French-Soviet & CERN-Soviet collaborations Arestov, Yu. ; Borovikov, A. ; Kozlovsky, E. ; et al.

Z.Phys.C 6 (1980) 101-108, 1980.

Inspire Record 154719 DOI 10.17182/hepdata.11053

We present final results on the inclusive production of the$\bar K^{*0} (890)$,K*−(890),K*0(890),K*−(890),K*−(1420), and$\bar K^{*0} (1420)$ resonances inK−p interactions at 32 GeV/c. Total cross sections and invariantx-distributions are determined. Inclusive cross sections of$\bar K^{*\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{o} } (890)$ amount to ≃4 mb each, of$\bar K^{*\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{o} } (1420)$ to ≃1 mb and ofK*0(890) to ≃0.8 mb. These values are in agreement with additive quark model predictions. All strangenessS=−1 resonances are predominantly produced in the forward hemisphere, the tensor mesons being more peripherally produced than the vector ones. The$\bar K^{*\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{o} } (890)$ density matrix elements andt-distributions are obtained. The unnatural spin-parity exchange contribution to inclusive$\bar K^{*\underset{\raise0.3em\hbox{$\smash{\scriptscriptstyle-}$}}{o} } (890)$ production amounts to ≳60% at |t|<0.4 GeV2 and decreases with increasing |t|. Whenever relevant, a comparison is also made with available data at other energies.

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Properties of Multiplicity Distributions in $\nu A$ and $\bar{\nu}A$ Interactions at $E_{\nu/\bar{\nu}}\le 30$-{GeV}

Baranov, D.S. ; Chabrov, N.A. ; Filippov, V.A. ; et al.

Z.Phys.C 21 (1984) 189, 1984.

Inspire Record 197246 DOI 10.17182/hepdata.16364

We present data on the multiplicity structure of inclusive charged hadron production in charged current neutrino and antineutrino freon interactions in the energy range 3–30 GeV resulting from an experiment with the bubble chamber SKAT. Average multiplicities, dispersions and correlation coefficients are investigated. Furthermore, KNO-scaling is studied and average net charges are calculated in different kinematical regions. Our data are compared with results from$\begin{array}{*{20}c}{( - )}\\v\\ \end{array} $-interactions on an isoscalar target of “free” nucleons to study the influence of nuclear effects.

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THE DATA ARE SATISFACTORILY DESCRIBED BY A LINEAR FUNCTION IN LN(W**2): <N> = A + B * LN(W**2) A=0.15+-0.09, B=0.84+-0.05 FOR CHARGED+ AND A=-0.49+-0.06, B=0.63+-0.04 FOR CHARGED-.

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Inclusive $\gamma$ and $\pi^0$ Production in Neutrino a and Anti-neutrino a Interactions at $\nu_e (\bar{\nu}_e$) Up to 30-{GeV}

Ivanilov, A.A. ; Konyushko, V.I. ; Korablev, V.M. ; et al.

Yad.Fiz. 41 (1985) 1520-1534, 1985.

Inspire Record 205772 DOI 10.17182/hepdata.41022

None

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STUDY OF CUMULATIVE PROTON PRODUCTION IN NEUTRINO - NUCLEAR INTERACTIONS

Production of $\mu^- e^+$ Pairs in Neutrino interactions in the SKAT Bubble Chamber Experiment

COHERENT pi MESON PRODUCTION IN NEUTRINO AND ANTI-NEUTRINO INTERACTIONS ON FREON NUCLEI

Final Results on $\mu e$ Pair Production in Neutrino Interactions With Chamber Skat Filled With Freon

Quasielastic Nucleon and Hyperon Production by Neutrinos and Anti-neutrinos With Energies Below 30-{GeV}

NEUTRAL STRANGE PARTICLE PRODUCTION IN NEUTRINO CHARGED CURRENT INTERACTIONS AT 3-GeV TO 30-GeV

Observation of $\mu^- e^-$ Events in Neutrino Interactions at 3-{GeV} to 30-{GeV}

Inclusive Production of Strangeness $S = \pm 1$ Vector and Tensor Resonances on $K^- P$ Interactions at 32-{GeV}/$c$

Properties of Multiplicity Distributions in $\nu A$ and $\bar{\nu}A$ Interactions at $E_{\nu/\bar{\nu}}\le 30$-{GeV}

Inclusive $\gamma$ and $\pi^0$ Production in Neutrino a and Anti-neutrino a Interactions at $\nu_e (\bar{\nu}_e$) Up to 30-{GeV}