The charge distribution of multifragments of the 208 Pb beam at 160A GeV in nuclear emulsion has been fitted with a power-law. The moments of the resulting nuclear charged fragment distribution dis provide strong evidence that nuclear matter possesses critical point observables. The values of the critical exponents (γ, β and τ) extracted from the 208 Pb beam are compared with the values for the 197 Au beams at 10.6A GeV and 1A GeV. These values are very close to those for a liquid-gas system.
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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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