@article{3075044, title = "K0 ⇋ K̄0 transitions monitored by strong interactions: A new determination of the KL-KS mass difference", author = "Angelopoulos, A. and Aslanides, E. and Backenstoss, G. and Bargassa, P. and Behnke, O. and Benelli, A. and Bertin, V. and Blanc, F. and Bloch, P. and Carlson, P. and Carroll, M. and Cawley, E. and Chertok, M.B. and Danielsson, M. and Dejardin, M. and Derre, J. and Ealet, A. and Eleftheriadis, C. and Fetscher, W. and Fidecaro, M. and Filipčič, A. and Francis, D. and Fry, J. and Gabathuler, E. and Gamet, R. and Gerber, H.-J. and Go, A. and Haselden, A. and Hayman, P.J. and Henry-Couannier, F. and Hollander, R.W. and Jon-And, K. and Kettle, P.-R. and Kokkas, P. and Kreuger, R. and Le Gac, R. and Leimgruber, F. and Mandi, I. and Manthos, N. and Marel, G. and Mikuž, M. and Miller, J. and Montanet, F. and Muller, A. and Nakada, T. and Pagels, B. and Papadopoulos, I. and Pavlopoulos, P. and Polivka, G. and Rickenbach, R. and Roberts, B.L. and Ruf, T. and Sakeliou, L. and Schäfer, M. and Schaller, L.A. and Schietinger, T. and Schopper, A. and Tauscher, L. and Thibault, C. and Touchard, F. and Touramanis, C. and Van Eijk, C.W.E. and Vlachos, S. and Weber, P. and Wigger, O. and Wolter, M. and Zavrtanik, D. and Zimmerman, D.", journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics", year = "2001", volume = "503", number = "1-2", pages = "49-57", doi = "10.1016/S0370-2693(01)00218-0", keywords = "analytic method; article; electromagnetic radiation; human; mathematical analysis; molecular interaction; oscillation; variance", abstract = "The CPLEAR set-up (modified) has been used to determine the KL-KS mass difference by a method where neutral-kaon strangeness oscillations are monitored through kaon strong interactions, rather than semileptonic decays, thus requiring no assumptions on CPT invariance for the decay amplitudes. The result, Δm = (0.5343 ± 0.0063stat ± 0.0025syst) × 1010h/s, provides a valuable input for CPT tests. © 2001 Published by Elsevier Science B.V." }