The total yields of K^+(892), Sigma^+(1385) and Sigma^0 in neutrino-induced reactions at <E_nu> = 10 GeV

Details The total yields of K^+(892), Sigma^+(1385) and Sigma^0 in neutrino-induced reactions at <E_nu> = 10 GeV The total yields of K^+(892), Sigma^+(1385) and Sigma^0 in neutrino-induced reactions at <E_nu> = 10 GeV

2005-04-21

arxiv.org/abs/hep-ex/0504040v1

Phys.Atom.Nucl.70:1739-1742,2007

Physics

High Energy Physics

High Energy Physics - Experiment

6 pages, 3 figures

Scientific paper

10.1134/S1063778807100092

Using the data obtained with SKAT bubble chamber, the total yields of $K^+(892)$, $\Sigma^+(1385)$ and $\Sigma^0$ are estimated for the first time in neutrino-induced reactions at moderate energies ($$ = 10.4 GeV). It is shown, that the recently observed \cite{ref1,ref2} enhancement of the $K^0$ and $\Lambda$ yields in $\nu A$ interactions (as compared to $\nu N$ interactions) is contributed only slightly by the $K^+(892)$ and $\Sigma^+(1385)$ production, respectively. The decay contribution to the $K^0$ and $\Lambda$ yields is found to be in qualitative agreement with higher energy ($ \geq$ 40 GeV) data. It is shown, that the energy dependence of the $K^+(892)$ mean multiplicity in $\nu N$ interactions is approximately linear in the range of $ \approx$ 10-60 GeV, while that for $\Sigma^0$ in $\nu A$ interactions (for $A$ = 20-21) is approximately logarithmic in the range of $ \approx$ 10-150 GeV.

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