New measurement of the (p)over-bar-p->(n)over-bar-n differential cross-section from PS206

被引:0
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作者
Birsa, R
Bradamante, F
Bressan, A
DallaTorreColautti, S
Giorgi, M
Lamanna, M
Martin, A
Penzo, A
Schiavon, P
Tessarotto, F
Zanetti, AM
DeFalco, A
Macciotta, MP
Masoni, A
Puddu, G
Serci, S
Ahmidouch, A
Heer, E
Hess, R
Mascarini, C
Rapin, D
Arvieux, J
Bertini, R
Faivre, JC
Kunne, RA
Agnello, M
机构
[1] UNIV TRIESTE, DIPARTMENTO FIS, I-34127 TRIESTE, ITALY
[2] IST NAZL FIS NUCL, I-09127 CAGLIARI, ITALY
[3] UNIV CAGLIARI, I-09124 CAGLIARI, ITALY
[4] UNIV GENEVA, DPNC, CH-1211 GENEVA 4, SWITZERLAND
[5] IN2P3, LNS, CNRS, GIF SUR YVETTE, FRANCE
[6] CENS, CEA, DSM, F-91191 GIF SUR YVETTE, FRANCE
[7] IST NAZL FIS NUCL, I-10125 TURIN, ITALY
[8] POLITECN TORINO, I-10129 TURIN, ITALY
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O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要
Experiment PS206 has measured with high precision the differential <(p)over bar p> --> <(n)over bar n> cross-section at the CERN Low Energy Antiproton Ring. First results have already been published for the forward region, based on part of the collected statistics. Now the whole 601 MeV/c sample has been analysed and the new results are presented both for the forward hemisphere and for the backward region. The crucial tasks of the efficiency measurement and the studies of the systematic effects, that limit the precision of the measurement, are also discussed.
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页码:27 / 32
页数:6
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