CERN Accelerating science

Article
Report number DIRAC-PUB-2000-02 ; DIRAC-CONF-2000-01
Title Test of chiral perturbation theory with DIRAC at CERN
Author(s)

Gianotti, P ; Adeva, B ; Afanasiev, L G ; Benayoun, M ; Brekhovskikh, V ; Caragheorgheopol, G ; Cechák, T ; Chiba, M ; Constantinescu, S ; Doudarev, A ; Dreossi, D ; Drijard, Daniel ; Ferro-Luzzi, M ; Gallas-Torreira, M V ; Gerndt, J ; Giacomich, R ; Gianotti, P ; Gómez, F ; Gorin, A ; Gortchakov, O E ; Guaraldo, C ; Hansroul, M ; Hosek, R ; Iliescu, M A ; Kalinina, N A ; Karpukhin, V V ; Kluson, J ; Kobayashi, M ; Kokkas, P ; Kormarov, V ; Koulikov, A ; Kouptsov, A ; Krouglov, V ; Kuroda, K I ; Lanaro, A ; Lapshin, V G ; Lednicky, R ; Leruste, P ; Levisandri, P ; López-Aguera, A ; Lucherini, V ; Mäki, T ; Manuilov, I V ; Montanet, Lucien ; Narjoux, J L ; Nemenov, L L ; Nikitin, M ; Núñez-Pardo de Vera, M T ; Okada, K ; Olchevskii, V ; Pazos, A ; Pentia, M ; Penzo, Aldo L ; Perreau, J M ; Petrascu, C ; Pló, M ; Ponta, T ; Pop, D ; Riazantsev, A ; Rodríguez, J M ; Rodríguez-Fernández, A M ; Rykalin, V I ; Santamarina-Rios, C ; Schacher, J ; Sidorov, A ; Smolik, J ; Takeutchi, F ; Tarasov, A ; Tauscher, Ludwig ; Trousov, S ; Vázquez, P ; Vlachos, S ; Yazkov, V ; Yoshimura, Y ; Zrelov, V P

Affiliation (CERN)
Publication 2000
Imprint 2000
In: Acta Phys. Pol. B 31, 10-11 (2000) pp.2571-2579
In: Meson 2000 Workshop, Krakow, Poland, 19 - 23 May 2000, pp.2571
Subject category Particle Physics - Experiment
Accelerator/Facility, Experiment CERN PS ; DIRAC PS212
Abstract The DIRAC experiment at CERN aims to form pi /sup +/ pi /sup -/ atomic states and to measure their lifetime with 10% accuracy. This will give a precision of 5% in the determination of pi pi S-wave scattering lengths, of the same level of Chiral Perturbation Theory calculations. In this way a crucial test on the theory validity would be performed. (13 refs).



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