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Title: Oscillatory moments in lee-yang zeros and lhc predictions
Authors: Dewanto, A. 
Chan, A.H. 
Lim, Z.H. 
Oh, C.H. 
Keywords: Lee-Yang zeros
Multiparticle production
Multiplicity distribution
Issue Date: 30-Jul-2009
Citation: Dewanto, A.,Chan, A.H.,Lim, Z.H.,Oh, C.H. (2009-07-30). Oscillatory moments in lee-yang zeros and lhc predictions. International Journal of Modern Physics A 24 (18-19) : 3447-3454. ScholarBank@NUS Repository.
Abstract: We study the moments of multiplicty distribution and its relation to the Lee-Yang zeros of the generating function in electron-positron and hadron-hadron high energy collision. Our work shows that GMD moments can reproduce the oscillatory behaviour as shown in the experimental data and predicted by quantum chromodynamics at preasymptotic energy, while it can also be used to distinguish electron-positron (e+e-) multiplicity data from hadron-hadron (pp and $p\overline p $) multiplicity. Furthermore, there seems to be a link between the development of shoulder structure in the multiplicity distribution and the development of ear structure in the Lee-Yang zeros. We predict that these structures is going to be very obvious at 14 TeV. We argue that the development of these structures indicates an ongoing transition from quark-dominated soft scattering events to gluon-dominated semihard scattering events. © 2009 World Scientific Publishing Company.
Source Title: International Journal of Modern Physics A
ISSN: 0217751X
Appears in Collections:Staff Publications

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