One and two-dimensional analysis of 3π correlations measured in Pb+Pb interactions
- Bearden, I.G.
- Bøggild, H.
- Boissevain, J.
- Christiansen, P.
- Conin, L.
- Dodd, J.
- Erazmus, B.
- Esumi, S.
- Fabjan, C.W.
- Ferenc, D.
- Fields, D.E.
- Franz, A.
- Gaardhøje, J.
- Hansen, A.G.
- Hansen, O.
- Hardtke, D.
- van Hecke, H.
- Holzer, E.B.
- Humanic, T.J.
- Hummel, P.
- Jacak, B.V.
- Jayanti, R.
- Kaimi, K.
- Kaneta, M.
- Kohama, T.
- Kopytine, M.
- Leltchouk, M.
- Ljubičić, A.
- Lö, B.
- Maeda, N.
- Martin, L.
- Medvedev, A.
- Murray, M.
- Ohnishi, H.
- Paić, G.
- Pandey, S.U.
- Piuz, F.
- Pluta, J.
- Polychronakos, V.
- Potekhin, M.
- Poulard, G.
- Reichold, D.
- Sakaguchi, A.
- Schmidt-Sø, J.
- Simon-Gillo, J.
- Sondheim, W.
- Sugitate, T.
- Sullivan, J.P.
- Sumi, Y.
- Willis, W.J.
- Wolf, K.L.
- Xu, N.
- Zachary, D.S.
DOIAbstract
Abstractπ−π−π− correlations from Pb+Pb collisions at 158 GeV/c per nucleon are presented as measured by the focusing spectrometer of the NA44 experiment at CERN. The three-body effect is found to be stronger for Pb+Pb than for S+Pb. The two-dimensional three-particle correlation function is also measured and the longitudinal extension of the source is larger than the transverse extension
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