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27 April 2024 |
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Article overview
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Multiplicity fluctuation analysis of target residues in nucleus-emulsion collisions at a few hundred MeV/nucleon | D.H. Zhang
; Y.L. Chen
; G.R. Wang
; W.D. Li
; Q. Wang
; J.J. Yao
; J.G. Zhou
; S.H. Zhen
; L.L. Xu
; H.F. Miao
; P. Wang
; | Date: |
18 Aug 2013 | Abstract: | Multiplicity fluctuation of the target evaporated fragments emitted in 290 A
MeV 12C-AgBr, 400 A MeV 12C-AgBr, 400 A MeV 20Ne-AgBr and 500 A MeV 56Fe-AgBr
interactions is investigated using scaled factorial moment method in
two-dimensional normal phase space and cumulative variable space, respectively.
It is found that in normal phase space the scaled factorial moment (ln<Fq>)
increases linearly with increase of the divided number of phase space (lnM) for
lower q-value and increases linearly with the increase of lnM and then becomes
saturated or decreased for higher q-value, in cumulative variable space ln<Fq>
decreases linearly with increase of lnM, which indicates that no evidence of
non-statistical multiplicity fluctuation is observed in our data sets. So any
fluctuation indicated in the results of normal variable space analysis is
totally caused by non-uniformity of single-particle density distribution. | Source: | arXiv, 1308.3868 | Services: | Forum | Review | PDF | Favorites |
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