@article{3048112, title = "First observation of a particle antiparticle asymmetry in the decay of neutral kaons into pi(0)pi(0)", author = "Adler, R and Alhalel, T and Angelopoulos, A and Apostolakis, A and and Aslanides, E and Backenstoss, G and Bee, CP and Behnke, O and Benelli, A and and Bennet, J and Bertin, V and Bienlein, JK and Blanc, F and Bloch, P and and Bula, C and Carlson, P and Carroll, M and Carvalho, J and Cawley, E and and Charalambous, S and Chardalas, M and Chardin, G and Chertok, MB and and Cody, A and Danielsson, M and Dedoussis, S and Dejardin, M and Derre, J and and Dodgson, M and Duclos, J and Ealet, A and Eckart, B and and Eleftheriadis, C and Evangelou, I and Faravel, L and Fassnacht, P and and Faure, JL and Felder, C and FerreiraMarques, R and Fetscher, W and and Fidecaro, M and Filipcic, A and Francis, D and Fry, J and Fuglesang, C and and Gabathuler, E and Gamet, R and Garreta, D and Geralis, T and Gerber, and HJ and Go, A and Gumplinger, P and Guyot, C and Harrison, PF and and Haselden, A and Hayman, PJ and HenryCouannier, F and Heyes, WG and and Hollander, RW and Hubert, E and Jansson, K and Johner, HU and JonAnd, K and and Kettle, PR and Kochowski, C and Kokkas, P and Kreuger, R and Lawry, and T and LeGac, R and Leimgruber, F and Liolios, A and Machado, E and and Maley, P and Mandic, I and Manthos, N and Marel, G and Mikuz, M and and Miller, J and Montanet, F and Nakada, T and Onofre, A and Pagels, B and and Papadopoulos, I and Pavlopoulos, P and Pelucchi, F and daCunha, JP and and Policarpo, A and Polivka, G and Postma, H and Rickenbach, R and Roberts, and BL and Rozaki, E and Ruf, T and Sacks, L and Sakeliou, L and Sanders, P and and Santoni, C and Sarigiannis, K and Schafer, M and Schaller, LA and and Schietinger, T and Schopper, A and Schune, P and Soares, A and Tauscher, and L and Thibault, C and Touchard, F and Touramanis, C and Triantis, F and and Troster, DA and VanBeveren, E and VanEijk, CWE and Varner, G and and Vlachos, S and Weber, P and Wigger, O and Witzig, C and Wolter, M and and Yeche, C and Zavrtanik, D and Zimmerman, D", journal = "ZEITSCHRIFT FUR PHYSIK. SECTION C, PARTICLES AND FIELDS", year = "1996", volume = "70", number = "2", pages = "211-217", publisher = "Springer-Verlag", issn = "0170-9739", doi = "10.1007/s002880050097", abstract = "{CP violation has been observed as a time-dependent rate asymmetry between the decays <(K)over bar (0)> --> pi(0) pi(0) and K-0 --> pi(0) pi(0), where the neutral kaons are produced with definite and individually known strangeness in <(p)over bar p> --> <(K)over bar (0)> K(+)pi(-) or <(p)over bar p> --> K(0)K(-)pi(+). A special technique for the data analysis has been developed. The values obtained for phi(00) and \textbackslash{}eta(00)\textbackslash{} are in agreement with those of previous measurements of CP violation.}" }