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Two-pion Bose-Einstein correlations in pp collisions at sqrt(s)=900 GeV

By K. Aamodt, M. Chojnacki, P. Christakoglou, R. S. de Rooij, A. Grelli, C.G. Ivan, R. Kamermans, A. Mischke, G.J.L. Nooren, T. Peitzmann, E. Simili, M. van Leeuwen and M. Verweij


We report on the measurement of two-pion correlation functions from pp collisions at square(s)=900 GeV performed by the ALICE experiment at the Large Hadron Collider. Our analysis shows an increase of the Hanbury Brown–Twiss radius with increasing event multiplicity, in line with other measurements done in particle- and nuclear collisions. Conversely, the strong decrease of the radius with increasing transverse momentum, as observed at the Relativistic Heavy Ion Collider and at Tevatron, is not manifest in our dat

Year: 2010
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Provided by: NARCIS
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