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1. Measurement ofCP violation parameters and test ofCPT invariance with $$\overline {K^0 } $$ and K0 at LEARand K0 at LEAR

Author

Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C. P., Behnke, O., Benelli, A., Bertin, V., Blanc, F., Bloch, P., Bula, Ch., Carlson, P., Carroll, M., Carvalho, J., Cawley, E., Charalambous, S., Chardalas, M., Chardin, G., Chertok, M. B., Cody, A., Danielsson, M., Dedoussis, S., Dejardin, M., Derre, J., Duclos, J., Ealet, A., Eckart, B., Eleftheriadis, C., Evangelou, I., Faravel, L., Fassnacht, P., Faure, J. L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipčič, A., Francis, D., Fry, J., Gabathuler, E., Gamet, R., Garreta, D., Gerber, H. -J., Go, A., Guyot, C., Haselden, A., Hayman, P. J., Henry-Couannier, F., Hollander, R. W., Hubert, E., Jon-And, K., Kettle, P. -R., Kochowski, C., Kokkas, P., Kreuger, R., Le Gac, R., Leimgruber, F., Liolios, A., Machado, E., Mandić, I., Manthos, N., Marel, G., Mikuz, M., Miller, J., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Papadopoulos, I., Pavlopoulos, P., Pinto da Cunha, J., Policarpo, A., Polivka, G., Rickenbach, R., Roberts, B. L., Rozaki, E., Ruf, T., Sakeliou, L., Sanders, P., Santoni, C., Sarigiannis, K., Schäfer, M., Schaller, L. A., Schopper, A., Schune, P., Soares, A., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Van Beveren, E., Van Eijk, C. W. E., Varner, G., Vlachos, S., Weber, P., Wigger, O., Wolter, M., Yèche, C., Zavrtanik, D., Zimmerman, D., and CPLEAR Collaboration

Published
1996
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2. Inclusive measurement of $$\bar p$$ annihilation at rest in gaseous hydrogen to final states containingρ andf 2

Author

Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C. P., Behnke, O., Bennet, J., Bertin, V., Bienlein, J. K., Bloch, P., Bula, Ch., Carlson, P., Carvalho, J., Cawley, E., Charalambous, S., Chardalas, M., Chardin, G., Chertok, M. B., Danielsson, M., Cody, A., Dedoussis, S., Dejardin, M., Derre, J., Dodgson, M., Dousse, J. C., Duclos, J., Ealet, A., Eckart, B., Eleftheriadis, C., Evangelou, I., Faravel, L., Fassnacht, P., Faure, J. L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipčič, A., Francis, D., Fry, J., Fuglesang, C., Gabathuler, E., Gamet, R., Garreta, D., Geralis, T., Gerber, H. -J., Go, A., Gumplinger, P., Guyot, C., Harrisch, P. F., Haselden, A., Hayman, P. J., Henry-Couannier, F., Heyes, W. G., Hollander, R. W., Jansson, K., Johner, H. U., Jon-And, K., Kerek, A., Kern, J., Kettle, P. R., Kochowski, C., Kokkas, P., Kreuger, R., Lawry, T., Le Gac, R., Liolios, A., Machado, E., Maley, P., Mandić, I., Manthos, N., Marel, G., Mikuž, M., Miller, J., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Pavlopoulos, P., Pelucchi, F., Pinto da Cunha, J., Policarpo, A., Polivka, G., Postma, H., Richkenbach, R., Roberts, B. L., Rozaki, E., Ruf, T., Sacks, L., Sakeliou, L., Sanders, P., Santoni, C., Sarigiannis, K., Schäfer, M., Schaller, L. A., Schopper, A., Schune, P., Soares, A., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Tröster, D. A., Van Beveren, E., Van Eijk, C. W. E., Varner, G., Vlachos, S., Weber, P., Wigger, O., Witzig, C., Wolter, M., Yeche, C., Zavrtanik, D., Zimmerman, D., and CPLEAR Collaboration

Published
1995
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3. Bose-Einstein correlations in $$\bar p$$ p annihilations at rest

Author

Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C. P., Behnke, O., Bennet, J., Bertin, V., Bienlein, J. K., Bloch, P., Bula, Ch., Carlson, P., Carvalho, J., Cawley, E., Charalambous, S., Chardalas, M., Chardin, G., Chertok, M. B., Danielsson, M., Cody, A., Dedoussis, S., Dejardin, M., Derre, J., Dodgson, M., Dousse, J. C., Duclos, J., Ealet, A., Eckart, B., Eleftheriadis, C., Evangelou, I., Faravel, L., Fassnacht, P., Faure, J. L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipčič, A., Francis, D., Fry, J., Fuglesang, C., Gabathuler, E., Gamet, R., Garreta, D., Geralis, T., Gerber, H. -J., Go, A., Gumplinger, P., Guyot, C., Harrison, P. F., Haselden, A., Hayman, P. J., Henry-Couannier, F., Heyes, W. G., Hollander, R. W., Jansson, K., Johner, H. U., Jon-And, K., Kerek, A., Kern, J., Kettle, P. R., Kochowski, C., Kokkas, P., Kreuger, R., Lawry, T., Le Gac, R., Liolios, A., Machado, E., Maley, P., Mandić, I., Manthos, N., Marel, G., Mikuž, M., Miller, J., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Pavlopoulos, P., Pelucchi, F., Pinto da Cunha, J., Policarpo, A., Polivka, G., Postma, H., Rickenbach, R., Roberts, B. L., Rozaki, E., Ruf, T., Sacks, L., Sakeliou, L., Sanders, P., Santoni, C., Sarigiannis, K., Schäfer, M., Schaller, L. A., Schopper, A., Schune, P., Soares, A., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Troster, D. A., Van Beveren, E., Van Eijk, C. W. E., Varner, G., Vlachos, S., Weber, P., Wigger, O., Witzig, C., Wolter, M., Yeche, C., Zavrtanik, D., Zimmerman, D., and CPLEAR Collaboration

Published
1994
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4. Inclusive measurement of Mathematical expression annihilation at rest in gaseous hydrogen to final states containing ρ and f2

Author

Adler, R. Alhalel, T. Angelopoulos, A. Apostolakis, A. Aslanides, E. Backenstoss, G. Bee, C.P. Behnke, O. Bennet, J. Bertin, V. Bienlein, J.K. Bloch, P. Bula, Ch. Carlson, P. Carvalho, J. Cawley, E. Charalambous, S. Chardalas, M. Chardin, G. Chertok, M.B. Danielsson, M. Cody, A. Dedoussis, S. Dejardin, M. Derre, J. Dodgson, M. Dousse, J.C. Duclos, J. Ealet, A. Eckart, B. Eleftheriadis, C. Evangelou, I. Faravel, L. Fassnacht, P. Faure, J.L. Felder, C. Ferreira-Marques, R. Fetscher, W. Fidecaro, M. Filipčič, A. Francis, D. Fry, J. Fuglesang, C. Gabathuler, E. Gamet, R. Garreta, D. Geralis, T. Gerber, H.-J. Go, A. Gumplinger, P. Guyot, C. Harrisch, P.F. Haselden, A. Hayman, P.J. Henry-Couannier, F. Heyes, W.G. Hollander, R.W. Jansson, K. Johner, H.U. Jon-And, K. Kerek, A. Kern, J. Kettle, P.R. Kochowski, C. Kokkas, P. Kreuger, R. Lawry, T. Le Gac, R. Liolios, A. Machado, E. Maley, P. Mandić, I. Manthos, N. Marel, G. Mikuž, M. Miller, J. Montanet, F. Nakada, T. Onofre, A. Pagels, B. Pavlopoulos, P. Pelucchi, F. Pinto da Cunha, J. Policarpo, A. Polivka, G. Postma, H. Richkenbach, R. Roberts, B.L. Rozaki, E. Ruf, T. Sacks, L. Sakeliou, L. Sanders, P. Santoni, C. Sarigiannis, K. Schäfer, M. Schaller, L.A. Schopper, A. Schune, P. Soares, A. Tauscher, L. Thibault, C. Touchard, F. Touramanis, C. Triantis, F. Tröster, D.A. Van Beveren, E. Van Eijk, C.W.E. Varner, G. Vlachos, S. Weber, P. Wigger, O. Witzig, C. Wolter, M. Yeche, C. Zavrtanik, D. Zimmerman, D.

Abstract

Antiproton annihilation at rest in gaseous hydrogen (16 bar pressure) to the final states ρ(770)X and f2(1270)X, where X stands for one or more neutral mesons, has been studied at LEAR using the CPLEAR detector. Relative branching ratios are given for X =π0,2 π0, 3 π0 ω in the ρ case, and for X =π0, η in the f2 case. The annihilation channel Mathematical expression has not been measured before. The fraction of P-wave annihilation is deduced from the ratio f2π0/ρπ0 to be 0.38±0.07, in good agreement with the result previously obtained by CPLEAR from the ratio K+K-/π+π-. © 1995 Springer-Verlag.

Published
1995

6. Recent results of the CPLEAR experiment

Author

Adler, R. Alhalel, T. Angelopoulos, A. Apostolakis, A. Aslanides, E. Backenstoss, G. Bee, C.P. Bennet, J. Bertin, V. Bienlein, J.K. Bloch, P. Bula, Ch. Carlson, P. Carvalho, J. Cawley, E. Charalambous, S. Chardalas, M. Chardin, G. Danielsson, M. Dedoussis, S. Dejardin, M. Derre, J. Dodgson, M. Dousse, J.-C. Duclos, J. Ealet, A. Eckart, B. Eleftheriadis, C. Evangelou, I. Faravel, L. Fassnacht, P. Faure, J.L. Felder, C. Ferreira-Marques, R. Fetscher, W. Fidecaro, M. Filipčič, A. Francis, D. Fry, J. Fuglesang, C. Gabathuler, E. Gamet, R. Garreta, D. Geralis, T. Gerber, H.-J. Go, A. Gumplinger, P. Guyot, G. Harrison, P.F. Hayman, P.J. Heyes, W.G. Hollander, R.W. Jansson, K. Johner, H.J. Jon-And, K. Kerek, A. Kern, J. Kettle, P.R. Kochowski, C. Kokkas, P. Kreuger, R. Lawry, T. Le Gac, R. Liolios, A. Machado, E. Maley, P. Mandić, I. Manthos, N. Marel, G. Mikuž, M. Miller, J. Montanet, F. Nakada, T. Onofre, A. Pagels, B. Pavlopoulos, P. Pelucchi, F. da Cunha, J.P. Policarpo, A. Polivka, G. Postma, H. Rickenbach, R. Roberts, B.L. Rozaki, E. Ruf, T. Sacks, L. Sakeliou, L. Sanders, P. Santoni, C. Sarigiannis, K. Schäfer, M. Schauer, L.A. Schopper, A. Schune, P. Soares, A. Szilagyi, S. Tauscher, L. Thibault, C. Touchard, F. Touramanis, C. Triantis, F. Tröster, D.A. Van Beveren, E. Van den Putte, M. Van Eijk, C.W.E. Varner, G. Vlachos, S. Weber, P. Wigger, O. Witzig, C. Wolter, M. Yeche, C. Zavrtanik, D. Zimmerman, D.

Abstract

The CPLEAR experiment at CERN has been designed to measure CP and T violating effects in the neutral kaon system by observing particle-antiparticle asymmetries. The motivation and the physics program of CPLEAR is presented and first analyses of the K0, k0 to π+π-, π0π0 and π+π-π0 decays are discussed. Special emphasis is given to the recent results of the measurement of the CP violating parameters θsymbol+- and η+- based on first data taken in 1990/1991. © 1993.

Published
1993

7. A study of T violation via the semileptonic decays of neutral kaons in CPLEAR

Author

Adler, R. Alhalel, T. Angelopoulos, A. Apostolakis, A. Aslanides, E. Backenstoss, G. Bee, C.P. Bennet, J. Bertin, V. Bienlein, J.K. Bloch, P. Bula, Ch. Carlson, P. Carvalho, J. Cawley, E. Charalambous, S. Chardalas, M. Chardin, G. Danielsson, M. Dedoussis, S. Dejardin, M. Derre, J. Dodgson, M. Dousse, J.-C. Duclos, J. Ealet, A. Eckart, B. Eleftheriadis, C. Evangelou, I. Faravel, L. Fassnacht, P. Faure, J.L. Felder, C. Ferreira-Marques, R. Fetscher, W. Fidecaro, M. Filipčič, A. Francis, D. Fry, J. Fuglesang, C. Gabathuler, E. Gamet, R. Garreta, D. Geralis, T. Gerber, H.-J. Go, A. Gumplinger, P. Guyot, C. Harrison, P.F. Hayman, P.J. Heyes, W.G. Hollander, R.W. Jansson, K. Johner, H.J. Jon-And, K. Kerek, A. Kern, J. Kettle, P.R. Kochowski, C. Kokkas, P. Kreuger, R. Lawry, T. Le Gac, R. Liolios, A. Machado, E. Maley, P. Mandić, I. Manthos, N. Marel, G. Mikuž, M. Miller, J. Montanet, F. Nakada, T. Onofre, A. Pagels, B. Pavlopoulos, P. Pelucchi, F. da Cunha, J.P. Policarpo, A. Polivka, G. Postma, H. Rickenbach, R. Roberts, B.L. Rozaki, E. Ruf, T. Sacks, L. Sakeliou, L. Sanders, P. Santoni, C. Sarigiannis, K. Schäfer, M. Schaller, L.A. Schopper, A. Schune, P. Soares, A. Szilagyi, S. Tauscher, L. Thibault, C. Touchard, F. Touramanis, C. Triantis, F. Tröster, D.A. Van Beveren, E. Van den Putte, M. Van Eijk, C.W.E. Varner, G. Vlachos, S. Weber, P. Wigger, O. Witzig, C. Wolter, M. Yeche, C. Zavrtanik, D. Zimmerman, D.

Abstract

The method for studying semileptonic neutral kaon decays at CPLEAR is presented together with a preliminary data analysis. For the first time a direct determination of T violation is shown to be possible and low statistics results are given. From the same data the KL-KS mass difference, Δm, the CP violation parameter of KS, εlunates, and the parameter x testing the ΔS = ΔQ rule are also obtained. © 1993.

Published
1993

8. Two pion Bose-Einstein correlations in pp annihilations at rest

Author

Adler, R. Alhalel, A. Angelopoulos, A. Apostolakis, A. Aslanides, E. Backenstoss, G. Bee, C.P. Bennet, J. Bertin, V. Bienlein, J.K. Bloch, P. Bula, Ch. Carlson, P. Carvalho, J. Cawley, E. Charalambous, S. Chardalas, M. Chardin, G. Danielsson, M. Dedoussis, S. Dejardin, M. Derre, J. Dodgson, M. Dousse, J.C. Duclos, J. Ealet, A. Eckart, B. Eleftheriadis, C. Evangelou, I. Faravel, L. Fassnacht, P. Faure, J.L. Felder, C. Ferreira-Marques, R. Fetscher, W. Fidecaro, M. Filipcic, A. Francis, D. Fry, J.R. Fuglesang, C. Gabathuler, E. Garnet, R. Garreta, D. Geralis, T. Gerber, H.-J. Go, A. Gumplinger, P. Guyot, C. Harrison, P.F. Hayman, P.J. Heyes, W.G. Hollander, R.W. Jansson, K. Johner, H.U. Jon-And, K. Kerek, A. Kern, J. Kettle, P.-R. Kochowski, C. Kokkas, P. Kreuger, R. Lawry, T. Le Gac, R. Liolios, A. Machado, E. Maley, P. Mandic, I. Manthos, N. Marel, G. Mikuz, M. Miller, J.P. Montanet, F. Nakada, T. Onofre, A. Pagels, B. Pavlopoulos, P. Pelucchi, F. da Cunha, J.P. Policarpo, A. Polivka, G. Postma, H. Rickenbach, R. Roberts, B.L. Rozaki, E. Ruf, T. Sacks, L. Sakeliou, L. Sanders, P. Santoni, C. Sarigiannis, K. Schäfer, M. Schaller, L. Schopper, A. Schune, P. Soares, A. Szilagyi, S. Tauscher, L. Thibault, C. Touchard, F. Touramanis, C. Triantis, F. Troester, D.A. Van Beveren, E. Van den Putte, M. Van Eijk, C.W.E. Varner, G. Vlachos, S. Weber, P. Wigger, O. Witzig, C. Wolter, O. Yeche, C. Zavrtanik, D. Zimmerman, D.

Subjects
Nuclear Theory, High Energy Physics::Experiment, Nuclear Experiment
Abstract

Bose-Einstein (BE) correlations between like-sign charged pions were studied in pp annihilations at rest into four-prong events, using data taken with the CPLEAR detector at LEAR (CERN). A strong enhancement was found in the production of pairs of like-sign pions of similar momenta, with respect to the pairs of unlike-sign pions. The observed BE- enhancement was used to extract the values for the strength λ of the effect and the radius r of the pion emitting source. The extracted value of λ > l is of relevant importance and clearly does not depend on the assumed parametrization of the correlation function. The influence of the normalization and fitting procedure, the detector resolution, the resonances production and decay and the neutral-pion multiplicity cuts, on the size of the pion source and the strength of the effect was investigated. © 1993.

Published
1993

9. Recent results on CP violation from the CPLEAR experiment

Author

Adler, R. Alhalel, T. Angelopoulos, A. Apostolakis, A. Aslanides, E. Backenstoss, G. Bienlein, J.K. Bee, C.P. Bennet, J. Bertin, V. Bloch, P. Bula, Ch. Burgun, G. Carlson, P. Carvallho, J. Cawley, E. Chardalas, M. Charalambous, S. Danielsson, M. Dedoussis, S. Dejardin, M. Derre, J. Dodgson, M. Dousse, J.C. Duclos, J. Ealet, A. Eckart, B. Eleftheriadis, C. Evangelou, I. Faravel, L. Fassnacht, P. Faure, J.L. Felder, C. Ferreira-Marques, R. Fetscher, W. Fidecaro, M. Filipcic, A. Francis, D. Fry, J. Fuglesang, C. Gabathuler, E. Gamet, R. Garreta, D. Geralis, T. Gerber, H.J. Go, A. Gumplinger, P. Guyot, C. Harrison, P.F. Hayman, P.J. Heyes, W.G. Hollander, R.W. Johner, H.U. Jon-And, K. Jansson, K. Kerek, A. Kern, J. Kettle, P.R. Kochowski, C. Kokkas, P. Kreuger, R. Lawry, T. LeGac, R. Liolios, A. Machado, E. Maley, P. Mandic, I. Manthos, N. Marel, G. Mikuz, M. Miller, J. Montanet, F. Nakada, T. Onofre, A. Pagels, B. Pavlopoulos, P. Pelucchi, F. Pinto da Cunha, J. Policarpo, A. Polivka, G. Postma, H. Rickenbach, R. Roberts, R.L. Rozaki, E. Ruf, T. Sacks, L. Sakeliou, L. Sanders, P. Santoni, C. Sarigannis, K. Schäfer, M. Schaller, L. Schopper, A. Schune, P. Szilagyi, S. Tauscher, L. Thibault, C. Touchard, F. Touramanis, C. Triantis, F. Troester, D.A. Van den Putte, M. Van Eijk, C.W.E. Varner, G. Vlachos, S. Weber, P. Wigger, O. Witzig, C. Wolters, M. Yeche, C. Zavtranik, D. Zimmerman, D.

Subjects
High Energy Physics::Experiment
Abstract

The CPLEAR experiment is aiming at precise CP violation tests using initially pure K0- and K0 beams from the intense source provided by the annihilation of the LEAR p-beam in hydrogen. The strangeness tagging efficiency and the systematic errors have been studied and found to be in agreement with the design specifications. The measurement of the differential time asymmetry of the π+π- decays allowed the direct observation of differences in the decay rates of particles and antiparticles. The CP violating parameters were determined as |ν±| = (2.32 ± 0.14) · 10-3 and ψ± = 42.3° ± 4.4°. First results in the reconstruction and analysis of the neutral kaon decays into two neutral pions and the Ke3 decay are presented. © 1993.

Published
1993

10. Determination of the relative branching ratios for pp→π+π- and pp→K+K

Author

Adler, R. Angelopoulos, A. Apostolakis, A. Aslanides, E. Backenstoss, G. Bee, C.P. Bennet, J. Bloch, P. Bula, Ch. Burgun, C. Carlson, P. Carvalho, J. Chardalas, M. Charalambous, S. Cobbaert, H. Dedoussis, S. Dejardin, M. Derre, J. Dodgson, M. Dousse, J.C. Duclos, J. Ealet, A. Eckart, B. Faravel, L. Fassnacht, P. Faure, J.L. Felder, C. Ferreira-Marques, R. Fetscher, W. Fidecaro, M. Filipčič, A. Francis, D. Fry, J.R. Fuglesang, C. Gabathuler, E. Gamet, R. Garreta, D. Geralis, T. Gerber, H.-J. Go, A. Gumplinger, P. Guyot, C. Harrison, P.F. Hayman, P.J. Heyes, W.G. Hollander, R.W. Johner, H.U. Jon-And, K. Jansson, K. Kerek, A. Kern, J. Kettle, P.-R. Kochowski, C. Kokkas, P. Kossionides, E. Kreuger, R. Lawry, T. Le Gac, R. Machado, E. Maley, P. Manthos, N. Marel, G. Marotte, P. Mikuž, M. Miller, J. Montanet, F. Nakada, T. Onofre, A. Pagels, B. Paradelis, T. Pavlopoulos, P. Pelucchi, F. Pinto da Cunha, J. Policarpo, A. Postma, H. Rickenbach, R. Roberts, B.L. Rozaki, E. Ruf, T. Sacks, L. Sakeliou, L. Sanders, P. Santoni, C. Sarigiannis, K. Schaller, L.A. Schopper, A. Schune, P. Seljak, U. Szilagyi, S. Tauscher, L. Thibault, C. Touchard, F. Touramanis, C. Triantis, F. Troester, D.A. Van Beveren, E. Van den Putte, M. Van Eijk, C.W.E. Varner, G. Vlachos, S. Warner, D. Weber, P. Witzig, C. Yeche, C. Zavrtanik, D. Zimmerman, D.

Abstract

The ratio of the branching fractions for pp→K+K- and pp→π+π- was determined with the CPLEAR detector, by stopping antiprotons in a gaseous hydrogen target at 15 bar pressure. It was found to be BR(K+K-)/BR(π+π-)=0.20 5± 0.016. The fraction of P-wave annihilation at rest at this target density was deduced to be (38±9)%. © 1991.

Published
1991

11. CP, T, and CPT tests in neutral Kaon decays using tagged K0, K0at LEAR

Author

Adler, R., primary, Alhalel, T., additional, Angelopoulos, A., additional, Apostolakis, A., additional, Aslanides, E., additional, Backenstoss, G., additional, Bee, C. P., additional, Behnke, O., additional, Bennet, J., additional, Bertin, V., additional, Blanc, F., additional, Bloch, P., additional, Bula, Ch., additional, Carlson, P., additional, Carroll, M., additional, Carvalho, J., additional, Cawley, E., additional, Charalambous, S., additional, Chardalas, M., additional, Chardin, G., additional, Chertok, M. B., additional, Danielsson, M., additional, Cody, A., additional, Dedoussis, S., additional, Dejardin, M., additional, Derre, J., additional, Dodgson, M., additional, Duclos, J., additional, Ealet, A., additional, Eckart, B., additional, Eleftheriadis, C., additional, Evangelou, I., additional, Faravel, L., additional, Fassnacht, P., additional, Faure, J. L., additional, Felder, C., additional, Ferreira-Marques, R., additional, Fetscher, W., additional, Fidecaro, M., additional, Filipc̆ic̆, A., additional, Francis, D., additional, Fry, J., additional, Gabathuler, E., additional, Gamet, R., additional, Garreta, D., additional, Geralis, T., additional, Gerber, H.-J., additional, Go, A., additional, Gumplinger, P., additional, Guyot, C., additional, Haselden, A., additional, Hayman, P. J., additional, Henry-Couannier, F., additional, Hollander, R. W., additional, Hubert, E., additional, Jansson, K., additional, Johner, H. U., additional, Jon-And, K., additional, Kettle, P. R., additional, Kochowski, C., additional, Kokkas, P., additional, Kreuger, R., additional, Lawry, T., additional, Le Gac, R., additional, Leimgruber, F., additional, Liolios, A., additional, Machado, E., additional, Maley, P., additional, Mandić, I., additional, Manthos, N., additional, Marel, G., additional, Mikuž, M., additional, Miller, J., additional, Montanet, F., additional, Nakada, T., additional, Onofre, A., additional, Pagels, B., additional, Pavlopoulos, P., additional, Pelucchi, F., additional, Pinto da Cunha, J., additional, Policarpo, A., additional, Polivka, G., additional, Postma, H., additional, Rickenbach, R., additional, Roberts, B. L., additional, Rozaki, E., additional, Ruf, T., additional, Sacks, L., additional, Sakeliou, L., additional, Sanders, P., additional, Santoni, C., additional, Sarigiannis, K., additional, Schäfer, M., additional, Schaller, L. A., additional, Schopper, A., additional, Schune, P., additional, Soares, A., additional, Tauscher, L., additional, Thibault, C., additional, Touchard, F., additional, Touramanis, C., additional, Triantis, F., additional, Tröster, D. A., additional, Van Beveren, E., additional, Van Eijk, C. W. E., additional, Vlachos, S., additional, Weber, P., additional, Wigger, O., additional, Witzig, C., additional, Wolter, M., additional, Yeche, C., additional, Zavrtanik, D., additional, and Zimmerman, D., additional

Published
1995
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12. Two pion Bose-Einstein correlations in p annihilations at rest

Author

Adler, R., primary, Alhalel, A., additional, Angelopoulos, A., additional, Apostolakis, A., additional, Aslanides, E., additional, Backenstoss, G., additional, Bee, C.P., additional, Bennet, J., additional, Bertin, V., additional, Bienlein, J.K., additional, Bloch, P., additional, Bula, Ch., additional, Carlson, P., additional, Carvalho, J., additional, Cawley, E., additional, Charalambous, S., additional, Chardalas, M., additional, Chardin, G., additional, Danielsson, M., additional, Dedoussis, S., additional, Dejardin, M., additional, Derre, J., additional, Dodgson, M., additional, Dousse, J.C., additional, Duclos, J., additional, Ealet, A., additional, Eckart, B., additional, Eleftheriadis, C., additional, Evangelou, I., additional, Faravel, L, additional, Fassnacht, P., additional, Faure, J.L, additional, Felder, C., additional, Ferreira-Marques, R., additional, Fetscher, W., additional, Fidecaro, M, additional, Filipcic, A., additional, Francis, D., additional, Fry, J.R., additional, Fuglesang, C., additional, Gabathuler, E., additional, Garnet, R., additional, Garreta, D., additional, Geralis, T., additional, Gerber, H.-J., additional, Go, A., additional, Gumplinger, P., additional, Guyot, C., additional, Harrison, P.F., additional, Hayman, P.J., additional, Heyes, W.G., additional, Hollander, R.W., additional, Jansson, K., additional, Johner, H.U., additional, Jon-And, K., additional, Kerek, A., additional, Kern, J., additional, Kettle, P.-R., additional, Kochowski, C., additional, Kokkas, P., additional, Kreuger, R., additional, Lawry, T., additional, Le Gac, R., additional, Liolios, A., additional, Machado, E., additional, Maley, P., additional, Mandic, I., additional, Manthos, N., additional, Marel, G., additional, Mikuz, M., additional, Miller, J.P., additional, Montanet, F., additional, Nakada, T., additional, Onofre, A., additional, Pagels, B., additional, Pavlopoulos, P., additional, Pelucchi, F., additional, da Cunha, J.Pinto, additional, Policarpo, A., additional, Polivka, G., additional, Postma, H., additional, Rickenbach, R., additional, Roberts, B.L., additional, Rozaki, E., additional, Ruf, T., additional, Sacks, L., additional, Sakeliou, L., additional, Sanders, P., additional, Santoni, C., additional, Sarigiannis, K., additional, Schäfer, M., additional, Schaller, L, additional, Schopper, A., additional, Schune, P., additional, Soares, A., additional, Szilagyi, S., additional, Tauscher, L, additional, Thibault, C., additional, Touchard, F., additional, Touramanis, C., additional, Triantis, F., additional, Troester, D.A., additional, Van Beveren, E., additional, Van den Putte, M., additional, Van Eijk, C.W.E., additional, Varner, G., additional, Vlachos, S., additional, Weber, P., additional, Wigger, O., additional, Witzig, C., additional, Wolter, O., additional, Yeche, C., additional, Zavrtanik, D., additional, and Zimmerman, D., additional

Published
1993
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13. A study of T violation via the semileptonic decays of neutral kaons in CPLEAR

Author

Adler, R., primary, Alhalel, T., additional, Angelopoulos, A., additional, Apostolakis, A., additional, Aslanides, E., additional, Backenstoss, G., additional, Bee, C.P., additional, Bennet, J., additional, Bertin, V., additional, Bienlein, J.K., additional, Bloch, P., additional, Bula, Ch., additional, Carlson, P., additional, Carvalho, J., additional, Cawley, E., additional, Charalambous, S., additional, Chardalas, M., additional, Chardin, G., additional, Danielsson, M., additional, Dedoussis, S., additional, Dejardin, M., additional, Derre, J., additional, Dodgson, M., additional, Dousse, J.-C., additional, Duclos, J., additional, Ealet, A., additional, Eckart, B., additional, Eleftheriadis, C., additional, Evangelou, I., additional, Faravel, L., additional, Fassnacht, P., additional, Faure, J.L., additional, Felder, C., additional, Ferreira-Marques, R., additional, Fetscher, W., additional, Fidecaro, M., additional, Filipčič, A., additional, Francis, D., additional, Fry, J., additional, Fuglesang, C., additional, Gabathuler, E., additional, Gamet, R., additional, Garreta, D., additional, Geralis, T., additional, Gerber, H.-J., additional, Go, A., additional, Gumplinger, P., additional, Guyot, C., additional, Harrison, P.F., additional, Hayman, P.J., additional, Heyes, W.G., additional, Hollander, R.W., additional, Jansson, K., additional, Johner, H.J., additional, Jon-And, K., additional, Kerek, A., additional, Kern, J., additional, Kettle, P.R., additional, Kochowski, C., additional, Kokkas, P., additional, Kreuger, R., additional, Lawry, T., additional, Le Gac, R., additional, Liolios, A., additional, Machado, E., additional, Maley, P., additional, Mandić, I., additional, Manthos, N., additional, Marel, G., additional, Mikuž, M., additional, Miller, J., additional, Montanet, F., additional, Nakada, T., additional, Onofre, A., additional, Pagels, B., additional, Pavlopoulos, P., additional, Pelucchi, F., additional, da Cunha, J.Pinto, additional, Policarpo, A., additional, Polivka, G., additional, Postma, H., additional, Rickenbach, R., additional, Roberts, B.L., additional, Rozaki, E., additional, Ruf, T., additional, Sacks, L., additional, Sakeliou, L., additional, Sanders, P., additional, Santoni, C., additional, Sarigiannis, K., additional, Schäfer, M., additional, Schaller, L.A., additional, Schopper, A., additional, Schune, P., additional, Soares, A., additional, Szilagyi, S., additional, Tauscher, L., additional, Thibault, C., additional, Touchard, F., additional, Touramanis, C., additional, Triantis, F., additional, Tröster, D.A., additional, Van Beveren, E., additional, Van den Putte, M., additional, Van Eijk, C.W.E., additional, Varner, G., additional, Vlachos, S., additional, Weber, P., additional, Wigger, O., additional, Witzig, C., additional, Wolter, M., additional, Yeche, C., additional, Zavrtanik, D., additional, and Zimmerman, D., additional

Published
1993
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14. Recent results of the CPLEAR experiment

Author

Adler, R., primary, Alhalel, T., additional, Angelopoulos, A., additional, Apostolakis, A., additional, Aslanides, E., additional, Backenstoss, G., additional, Bee, C.P., additional, Bennet, J., additional, Bertin, V., additional, Bienlein, J.K., additional, Bloch, P., additional, Bula, Ch., additional, Carlson, P., additional, Carvalho, J., additional, Cawley, E., additional, Charalambous, S., additional, Chardalas, M., additional, Chardin, G., additional, Danielsson, M., additional, Dedoussis, S., additional, Dejardin, M., additional, Derre, J., additional, Dodgson, M., additional, Dousse, J.-C., additional, Duclos, J., additional, Ealet, A., additional, Eckart, B., additional, Eleftheriadis, C., additional, Evangelou, I., additional, Faravel, L., additional, Fassnacht, P., additional, Faure, J.L., additional, Felder, C., additional, Ferreira-Marques, R., additional, Fetscher, W., additional, Fidecaro, M., additional, Filipčič, A., additional, Francis, D., additional, Fry, J., additional, Fuglesang, C., additional, Gabathuler, E., additional, Gamet, R., additional, Garreta, D., additional, Geralis, T., additional, Gerber, H.-J., additional, Go, A., additional, Gumplinger, P., additional, Guyot, G., additional, Harrison, P.F., additional, Hayman, P.J., additional, Heyes, W.G., additional, Hollander, R.W., additional, Jansson, K., additional, Johner, H.J., additional, Jon-And, K., additional, Kerek, A., additional, Kern, J., additional, Kettle, P.R., additional, Kochowski, C., additional, Kokkas, P., additional, Kreuger, R., additional, Lawry, T., additional, Le Gac, R., additional, Liolios, A., additional, Machado, E., additional, Maley, P., additional, Mandić, I., additional, Manthos, N., additional, Marel, G., additional, Mikuž, M., additional, Miller, J., additional, Montanet, F., additional, Nakada, T., additional, Onofre, A., additional, Pagels, B., additional, Pavlopoulos, P., additional, Pelucchi, F., additional, da Cunha, J.Pinto, additional, Policarpo, A., additional, Polivka, G., additional, Postma, H., additional, Rickenbach, R., additional, Roberts, B.L., additional, Rozaki, E., additional, Ruf, T., additional, Sacks, L., additional, Sakeliou, L., additional, Sanders, P., additional, Santoni, C., additional, Sarigiannis, K., additional, Schäfer, M., additional, Schauer, L.A., additional, Schopper, A., additional, Schune, P., additional, Soares, A., additional, Szilagyi, S., additional, Tauscher, L., additional, Thibault, C., additional, Touchard, F., additional, Touramanis, C., additional, Triantis, F., additional, Tröster, D.A., additional, Van Beveren, E., additional, Van den Putte, M., additional, Van Eijk, C.W.E., additional, Varner, G., additional, Vlachos, S., additional, Weber, P., additional, Wigger, O., additional, Witzig, C., additional, Wolter, M., additional, Yeche, C., additional, Zavrtanik, D., additional, and Zimmerman, D., additional

Published
1993
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15. First determination of CP violation parameters from K0−0 decay asymmetry

Author

Adler, R., primary, Alhalel, T., additional, Angelopoulos, A., additional, Apostolakis, A., additional, Aslanides, E., additional, Backenstoss, G., additional, Bee, C.P., additional, Bennet, J., additional, Bienlein, J.K., additional, Bloch, P., additional, Bula, Ch., additional, Burgun, G., additional, Carlson, P., additional, Carvalho, J., additional, Cawley, E., additional, Charalambous, S., additional, Chardalas, M., additional, Chardin, G., additional, Cobbaert, H., additional, Dedoussis, S., additional, Dejardin, M., additional, Derre, J., additional, Dodgson, M., additional, Dousse, J.C., additional, Duclos, J., additional, Ealet, A., additional, Eckart, B., additional, Faravel, L., additional, Fassnacht, P., additional, Faure, J.L., additional, Felder, C., additional, Ferreira-Marques, R., additional, Fetscher, W., additional, Fidecaro, M., additional, Filipčič, A., additional, Francis, D., additional, Fry, J.R., additional, Fuglesang, C., additional, Gabathuler, E., additional, Gamet, R., additional, Garreta, D., additional, Geralis, T., additional, Gerber, H.-J., additional, Go, A., additional, Gumplinger, P., additional, Guyot, C., additional, Harrison, P.F., additional, Hayman, P.J., additional, Heyes, W.G., additional, Hollander, R.W., additional, Jansson, K., additional, Johner, H.U., additional, Jon-And, K., additional, Kerek, A., additional, Kern, J., additional, Kettle, P.-R., additional, Kochowski, C., additional, Kokkas, P., additional, Kreuger, R., additional, Lawry, T., additional, Le Gac, R., additional, Machado, E., additional, Maley, P., additional, Manthos, N., additional, Marel, G., additional, Mikuž, M., additional, Miller, J.P., additional, Montanet, F., additional, Nakada, T., additional, Onofre, A., additional, Pagels, B., additional, Pavlopoulos, P., additional, Pelucchi, F., additional, da Cunha, J.Pinto, additional, Policarpo, A., additional, Polivka, G., additional, Postma, H., additional, Rickembach, R., additional, Roberts, B.L., additional, Rozaki, E., additional, Ruf, T., additional, Sacks, L., additional, Sakeliou, L., additional, Sanders, P., additional, Santoni, C., additional, Sarigiannis, K., additional, Schäfer, M., additional, Schaller, L., additional, Schopper, A., additional, Schune, P., additional, Seljak, U., additional, Szilagyi, S., additional, Tauscher, L., additional, Thibault, C., additional, Touchard, F., additional, Touramanis, C., additional, Triantis, F., additional, Troester, D.A., additional, Van Beveren, E., additional, Van den Putte, M., additional, Van Eijk, C.W.E., additional, Varner, G., additional, Vlachos, S., additional, Weber, P., additional, Witzig, C., additional, Yeche, C., additional, Zavrtanik, D., additional, and Zimmerman, D., additional

Published
1992
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16. Recent results from the CP Lear experiment

Author

Adler, R., primary, Alhalel, T., additional, Angelopoulos, A., additional, Apostolakis, A., additional, Aslanides, E., additional, Backenstoss, G., additional, Bee, C. P., additional, Bennet, J., additional, Bloch, P., additional, Bula, Ch., additional, Burgun, G., additional, Carlson, P., additional, Carvalho, J., additional, Charalambous, S., additional, Chardalis, M., additional, Chardin, G., additional, Cobbaert, H., additional, Dedoussis, S., additional, Dejardin, M., additional, Derre, J., additional, Dodgson, M., additional, Dousse, J-C., additional, Duclos, J., additional, Ealet, A., additional, Eckart, B., additional, Faravel, L., additional, Fassnacht, P., additional, Faure, J. L., additional, Felder, C., additional, Ferreira-Marques, R., additional, Fetscher, W., additional, Fidecaro, M., additional, Filipcic, A., additional, Francis, D., additional, Fry, J., additional, Fuglesang, C., additional, Gabathuler, E., additional, Gamet, R., additional, Garreta, D., additional, Geralis, T., additional, Gerber, H. J., additional, Go, A., additional, Gumplinger, P., additional, Guyot, C., additional, Harrison, P. F., additional, Hayman, P. J., additional, Heyes, W. G., additional, Hollander, R. W., additional, Johner, H. U., additional, Jon-And, K., additional, Jansson, K., additional, Kerek, A., additional, Kern, J., additional, Kettle, P-R., additional, Kochowski, C., additional, Kokkas, P., additional, Kossianides, E., additional, Kreuger, R., additional, Lawry, T., additional, LeGac, R., additional, Machado, E., additional, Maley, P., additional, Manthos, N., additional, Marel, G., additional, Marotte, P., additional, Mikuz, M., additional, Miller, J. P., additional, Montanet, F., additional, Nakada, T., additional, Onofre, A., additional, Pagels, B., additional, Paradelis, T., additional, Pavlopoulos, P., additional, Pelucchi, F., additional, Pinto de Cunha, J., additional, Policarpo, A., additional, Postma, H., additional, Rickenbach, R., additional, Roberts, B. L., additional, Rozaki, E., additional, Ruf, T., additional, Sacks, L., additional, Sakeliou, L., additional, Sanders, P., additional, Santoni, C., additional, Sargiannis, K., additional, Schaller, L., additional, Schopper, A., additional, Schune, P., additional, Seljak, U., additional, Szilagyi, S., additional, Tauscher, L., additional, Thibault, C., additional, Touchard, F., additional, Touramanis, C., additional, Triantis, F., additional, Troester, D. A., additional, Van Beverin, E. V., additional, Van den Putte, M., additional, Van Eijk, C. W. E., additional, Varner, G., additional, Vlachos, S., additional, Warner, D., additional, Weber, P., additional, Witzig, C., additional, Yeche, C., additional, Zavrtanik, D., additional, and Zimmerman, D., additional

Published
1992
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17. Determination of the relative branching ratios for

Author

Adler, R., primary, Angelopoulos, A., additional, Apostolakis, A., additional, Aslanides, E., additional, Backenstoss, G., additional, Bee, C.P., additional, Bennet, J., additional, Bloch, P., additional, Bula, Ch., additional, Burgun, C., additional, Carlson, P., additional, Carvalho, J., additional, Chardalas, M., additional, Charalambous, S., additional, Cobbaert, H., additional, Dedoussis, S., additional, Dejardin, M., additional, Derre, J., additional, Dodgson, M., additional, Dousse, J.C., additional, Duclos, J., additional, Ealet, A., additional, Eckart, B., additional, Faravel, L., additional, Fassnacht, P., additional, Faure, J.L., additional, Felder, C., additional, Ferreira-Marques, R., additional, Fetscher, W., additional, Fidecaro, M., additional, Filipčič, A., additional, Francis, D., additional, Fry, J.R., additional, Fuglesang, C., additional, Gabathuler, E., additional, Gamet, R., additional, Garreta, D., additional, Geralis, T., additional, Gerber, H.-J., additional, Go, A., additional, Gumplinger, P., additional, Guyot, C., additional, Harrison, P.F., additional, Hayman, P.J., additional, Heyes, W.G., additional, Hollander, R.W., additional, Johner, H.U., additional, Jon-And, K., additional, Jansson, K., additional, Kerek, A., additional, Kern, J., additional, Kettle, P.-R., additional, Kochowski, C., additional, Kokkas, P., additional, Kossionides, E., additional, Kreuger, R., additional, Lawry, T., additional, Le Gac, R., additional, Machado, E., additional, Maley, P., additional, Manthos, N., additional, Marel, G., additional, Marotte, P., additional, Mikuž, M., additional, Miller, J., additional, Montanet, F., additional, Nakada, T., additional, Onofre, A., additional, Pagels, B., additional, Paradelis, T., additional, Pavlopoulos, P., additional, Pelucchi, F., additional, Pinto da Cunha, J., additional, Policarpo, A., additional, Postma, H., additional, Rickenbach, R., additional, Roberts, B.L., additional, Rozaki, E., additional, Ruf, T., additional, Sacks, L., additional, Sakeliou, L., additional, Sanders, P., additional, Santoni, C., additional, Sarigiannis, K., additional, Schaller, L.A., additional, Schopper, A., additional, Schune, P., additional, Seljak, U., additional, Szilagyi, S., additional, Tauscher, L., additional, Thibault, C., additional, Touchard, F., additional, Touramanis, C., additional, Triantis, F., additional, Troester, D.A., additional, Van Beveren, E., additional, Van den Putte, M., additional, Van Eijk, C.W.E., additional, Varner, G., additional, Vlachos, S., additional, Warner, D., additional, Weber, P., additional, Witzig, C., additional, Yeche, C., additional, Zavrtanik, D., additional, and Zimmerman, D., additional

Published
1991
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18. Measurement of CP violation parameters and test of CPT invariance with $$\overline {K^0 } $$ and K at LEARand K at LEAR.

Author

Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C., Behnke, O., Benelli, A., Bertin, V., Blanc, F., Bloch, P., Bula, Ch., Carlson, P., Carroll, M., Carvalho, J., Cawley, E., Charalambous, S., Chardalas, M., and Chardin, G.

Abstract

The CPLEAR experiment at CERN studies the CP, T and CPT symmetries in the neutral-kaon system by measuring the rate asymmetries between the decays of initially pure K and $$\overline {K^0 } $$ states. Using data taken between 1990 and mid 1994, precise measurements of |η|, φ and Δ m are reported. The comparison of φ the superweak phase gives one of the most sensitive tests of CPT invariance and leads to a new limit on the $$K^0 - \overline {K^0 } $$ mass difference. [ABSTRACT FROM AUTHOR]

Published
1996
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19. Inclusive measurement of $$\bar p$$ annihilation at rest in gaseous hydrogen to final states containing ρ and f.

Author

Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C., Behnke, O., Bennet, J., Bertin, V., Bienlein, J., Bloch, P., Bula, Ch., Carlson, P., Carvalho, J., Cawley, E., Charalambous, S., Chardalas, M., Chardin, G., and Chertok, M.

Abstract

Antiproton annihilation at rest in gaseous hydrogen (16 bar pressure) to the final states ρ(770) X and f(1270) X, where X stands for one or more neutral mesons, has been studied at LEAR using the CPLEAR detector. Relative branching ratios are given for X = π,2 π, 3 π ω in the ρ case, and for X = π, η in the f case. The annihilation channel $$\bar pp \to \rho 3\pi ^0 $$ has not been measured before. The fraction of P-wave annihilation is deduced from the ratio f π/ ρπ to be 0.38±0.07, in good agreement with the result previously obtained by CPLEAR from the ratio K K/ π π. [ABSTRACT FROM AUTHOR]

Published
1995
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20. Inclusive measurement of <img src="/fulltext-image.asp?format=htmlnonpaginated&src=G7027L7567L20P23_html\10052_2005_Article_BF01571876_TeX2GIFIE1.gif" border="0" alt=" $$\bar p$$ " /> annihilation at rest in gaseous hydrogen to final states containin

Author

Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C. P., Behnke, O., Bennet, J., Bertin, V., Bienlein, J. K., Bloch, P., Bula, Ch., Carlson, P., Carvalho, J., Cawley, E., Charalambous, S., Chardalas, M., Chardin, G., Chertok, M. B., Danielsson, M., Cody, A., Dedoussis, S., Dejardin, M., Derre, J., Dodgson, M., Dousse, J. C., Duclos, J., Ealet, A., Eckart, B., Eleftheriadis, C., Evangelou, I., Faravel, L., Fassnacht, P., Faure, J. L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipčič, A., Francis, D., Fry, J., Fuglesang, C., Gabathuler, E., Gamet, R., Garreta, D., Geralis, T., Gerber, H. -J., Go, A., Gumplinger, P., Guyot, C., Harrisch, P. F., Haselden, A., Hayman, P. J., Henry-Couannier, F., Heyes, W. G., Hollander, R. W., Jansson, K., Johner, H. U., Jon-And, K., Kerek, A., Kern, J., Kettle, P. R., Kochowski, C., Kokkas, P., Kreuger, R., Lawry, T., Le Gac, R., Liolios, A., Machado, E., Maley, P., Mandić, I., Manthos, N., Marel, G., Mikuž, M., Miller, J., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Pavlopoulos, P., Pelucchi, F., Pinto da Cunha, J., Policarpo, A., Polivka, G., Postma, H., Richkenbach, R., Roberts, B. L., Rozaki, E., Ruf, T., Sacks, L., Sakeliou, L., Sanders, P., Santoni, C., Sarigiannis, K., Schäfer, M., Schaller, L. A., Schopper, A., Schune, P., Soares, A., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Tröster, D. A., Van Beveren, E., Van Eijk, C. W. E., Varner, G., Vlachos, S., Weber, P., Wigger, O., Witzig, C., Wolter, M., Yeche, C., Zavrtanik, D., and Zimmerman, D.

Abstract

Antiproton annihilation at rest in gaseous hydrogen (16 bar pressure) to the final states ρ(770)X andf2(1270)X, whereX stands for one or more neutral mesons, has been studied at LEAR using the CPLEAR detector. Relative branching ratios are given forX =π0,2π0, 3π0 ω in the ρ case, and forX =π0, η in thef2 case. The annihilation channel " has not been measured before. The fraction of P-wave annihilation is deduced from the ratiof2π0/ρπ0 to be 0.38±0.07, in good agreement with the result previously obtained by CPLEAR from the ratioK+K-/π+π-.

Published
1995
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21. Bose-Einstein correlations in <img src="/fulltext-image.asp?format=htmlnonpaginated&src=R232830214359767_html\10052_2005_Article_BF01557618_TeX2GIFIE1.gif" border="0" alt=" $$\bar p$$ " />p annihilations at rest

Author

Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C. P., Behnke, O., Bennet, J., Bertin, V., Bienlein, J. K., Bloch, P., Bula, Ch., Carlson, P., Carvalho, J., Cawley, E., Charalambous, S., Chardalas, M., Chardin, G., Chertok, M. B., Danielsson, M., Cody, A., Dedoussis, S., Dejardin, M., Derre, J., Dodgson, M., Dousse, J. C., Duclos, J., Ealet, A., Eckart, B., Eleftheriadis, C., Evangelou, I., Faravel, L., Fassnacht, P., Faure, J. L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipčič, A., Francis, D., Fry, J., Fuglesang, C., Gabathuler, E., Gamet, R., Garreta, D., Geralis, T., Gerber, H. -J., Go, A., Gumplinger, P., Guyot, C., Harrison, P. F., Haselden, A., Hayman, P. J., Henry-Couannier, F., Heyes, W. G., Hollander, R. W., Jansson, K., Johner, H. U., Jon-And, K., Kerek, A., Kern, J., Kettle, P. R., Kochowski, C., Kokkas, P., Kreuger, R., Lawry, T., Le Gac, R., Liolios, A., Machado, E., Maley, P., Mandić, I., Manthos, N., Marel, G., Mikuž, M., Miller, J., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Pavlopoulos, P., Pelucchi, F., Pinto da Cunha, J., Policarpo, A., Polivka, G., Postma, H., Rickenbach, R., Roberts, B. L., Rozaki, E., Ruf, T., Sacks, L., Sakeliou, L., Sanders, P., Santoni, C., Sarigiannis, K., Schäfer, M., Schaller, L. A., Schopper, A., Schune, P., Soares, A., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Troster, D. A., Van Beveren, E., Van Eijk, C. W. E., Varner, G., Vlachos, S., Weber, P., Wigger, O., Witzig, C., Wolter, M., Yeche, C., Zavrtanik, D., and Zimmerman, D.

Abstract

Two-charged-pion correlations were studied in "p(→2π*2π−nπ0,n≥0) annihilations at rest with the CPLEAR detector at the Low-Energy Antiproton Ring (LEAR). A strong enhancement was found in the production of pairs of like-sign pions with a small value of the relative fourmomentumQ, with respect to pairs of unlike-sign pions. The observed enhancement was interpreted as a consequence of the Bose-Einstein symmetrization of the two-pion wave function. The data are well represented by a correlation function parametrized as a double-Gaussian; an exponential parametrization is also statistically acceptable. The value of the correlation strength is found to be >1. The high-quality large data samples together with the ability for K± identification and final-state separation allowed the study of systematic effects impacting on theQ dependence of the correlation function and on the extracted space parameters of the pion sources.

Published
1994
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22. Measurement ofCPviolation parameters and test ofCPTinvariance withand K0at LEARand K0at LEAR

Author

Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C. P., Behnke, O., Benelli, A., Bertin, V., Blanc, F., Bloch, P., Bula, Ch., Carlson, P., Carroll, M., Carvalho, J., Cawley, E., Charalambous, S., Chardalas, M., Chardin, G., Chertok, M. B., Cody, A., Danielsson, M., Dedoussis, S., Dejardin, M., Derre, J., Duclos, J., Ealet, A., Eckart, B., Eleftheriadis, C., Evangelou, I., Faravel, L., Fassnacht, P., Faure, J. L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipčič, A., Francis, D., Fry, J., Gabathuler, E., Gamet, R., Garreta, D., Gerber, H. -J., Go, A., Guyot, C., Haselden, A., Hayman, P. J., Henry-Couannier, F., Hollander, R. W., Hubert, E., Jon-And, K., Kettle, P. -R., Kochowski, C., Kokkas, P., Kreuger, R., Le Gac, R., Leimgruber, F., Liolios, A., Machado, E., Mandić, I., Manthos, N., Marel, G., Mikuz, M., Miller, J., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Papadopoulos, I., Pavlopoulos, P., Pinto da Cunha, J., Policarpo, A., Polivka, G., Rickenbach, R., Roberts, B. L., Rozaki, E., Ruf, T., Sakeliou, L., Sanders, P., Santoni, C., Sarigiannis, K., Schäfer, M., Schaller, L. A., Schopper, A., Schune, P., Soares, A., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Van Beveren, E., Van Eijk, C. W. E., Varner, G., Vlachos, S., Weber, P., Wigger, O., Wolter, M., Yèche, C., Zavrtanik, D., and Zimmerman, D.

Abstract

The CPLEAR experiment at CERN studies theCP, TandCPTsymmetries in the neutral-kaon system by measuring the rate asymmetries between the decays of initially pure K0andstates. Using data taken between 1990 and mid 1994, precise measurements of |η+-|,φ+-and Δmare reported. The comparison of φ+-the superweak phase gives one of the most sensitive tests ofCPTinvariance and leads to a new limit on themass difference.

Published
1996
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23. Experimental tests of CPT symmetry and quantum mechanics at CPLEAR

Author

Mavromatos, N. E., Ruf, T., Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C. P., Behnke, O., Benelli, A., Bertin, V., Frédéric Blanc, Bloch, P., Bula, Ch, Carlson, P., Carroll, M., Carvalho, J., Cawley, E., Charalambous, S., Chardalas, M., Chardin, G., Chertok, M. B., Cody, A., Danielsson, M., Dedoussis, S., Dejardin, M., Derre, J., Duclos, J., Ealet, A., Eckart, B., Eleftheriadis, C., Evangelou, I., Faravel, L., Fassnacht, P., Faure, J. L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipicic, A., Francis, D., Fry, John R., Gabathuler, E., Gamet, R., Garreta, D., Gerber, H. J., Go, A., Guyot, C., Haselden, A., Hayman, P. J., Henry-Couannier, Frederic, Hollander, R. W., Hubert, E., Jon-And, Kerstin B., Kettle, P. R., Kochowski, C., Kokkas, P., Kreuger, R., Le Gac, R., Leimgruber, F., Liolios, A., Machado, E., Mandic, I., Manthos, N., Marel, G., Mikuez, M., Miller, J., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Papadopoulos, I., Pavlopoulos, P., Pinto Da Cunha, J., Policarpo, A., Polivka, G., Rickenbach, R., Roberts, B. L., Rozaki, E., Sakeliou, L., Sanders, P., Santoni, C., Sarigiannis, K., Schafer, M., Schaller, L. A., Schopper, A., Schune, P., Soares, A., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Beveren, Eef, Eijk, C. W. E., Varner, Gary Sim, Vlachos, S., Weber, P., Wigger, O., Wolter, M., Yeche, C., Zavrtanik, D., Zimmerman, D., Ellis, John R., Lopez, Jorge L., and Nanopoulos, Dimitri V.

Subjects
High Energy Physics::Phenomenology, High Energy Physics::Experiment, Particle Physics - Phenomenology
Abstract

We review a phenomenological parametrization of an open quantum-mechanical formalism for CPT violation in the neutral kaon system, and constrain the parameters using fits to recent CPLEAR data. We review a phenomenological parametrization of an open quantum-mechanical formalism for CPT violation in the neutral kaon system, and constrain the parameters using fits to recent CPLEAR data.

24. Determination of the relative branching ratios for pp̄→π+π and pp̄→K+K

Author

Adler, R., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C. P., Bennet, J., Bloch, P., Bula, Ch, Burgun, C., Carlson, P., Carvalho, J., Chardalas, M., Charalambous, S., Cobbaert, H., Dedoussis, S., Dejardin, M., Derre, J., Dodgson, M., Dousse, J. C., Duclos, J., Ealet, A., Eckart, B., Faravel, L., Fassnacht, P., Faure, J. L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipčič, A., Francis, D., Fry, J. R., Fuglesang, C., Gabathuler, E., Garnet, R., Garreta, D., Geralis, T., Gerber, H. -J, Go, A., Gumplinger, P., Guyot, C., Harrison, P. P., Hayman, P. J., Heyes, W. G., Hollander, R. W., Johner, H. U., Jon-And, K., Jansson, K., Kerek, A., Kern, J., Kettle, P. -R, Kochowski, C., Kokkas, P., Kossionides, E., Kreuger, R., Lawry, T., Le Gac, R., Machado, E., Maley, P., Manthos, N., Marel, G., Marotte, P., Mikuž, M., Miller, J., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Paradelis, T., Pavlopoulos, P., Pelucchi, F., José Pinto da Cunha, Policarpo, A., Postma, H., Rickenbach, R., Roberts, B. L., Rozaki, E., Ruf, T., Sacks, L., Sakeliou, L., Sanders, P., Santoni, C., Sarigiannis, K., Schaller, L. A., Schopper, A., Schune, P., Seljak, U., Szilagyi, S., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Troester, D. A., Beveren, E., Den Putte, M., Eijk, C. W. E., and Varaer, G.

25. Two pion Bose-Einstein correlations in pp annihilations at rest

Author

Adler, R., Alhalel, A., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bee, C. P., Bennet, J., Bertin, V., Bienlein, J. K., Bloch, P., Bula, Ch, Carlson, P., Joao Carvalho, Cawley, E., Charalambous, S., Chardalas, M., Chardin, G., Danielsson, M., Dedoussis, S., Dejardin, M., Derre, J., Dodgson, M., Dousse, J. C., Duclos, J., Ealet, A., Eckart, B., Eleftheriadis, C., Evangelou, I., Faravel, L., Fassnacht, P., Faure, J. L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipcic, A., Francis, D., Fry, J. R., Fuglesang, C., Gabathuler, E., Garnet, R., Garreta, D., Geralis, T., Gerber, H. -J, Go, A., Gumplinger, P., Guyot, C., Harrison, P. F., Hayman, P. J., Heyes, W. G., Hollander, R. W., Jansson, K., Johner, H. U., Jon-And, K., Kerek, A., Kern, J., Kettle, P. -R, Kochowski, C., Kokkas, P., Kreuger, R., Lawry, T., Le Gac, R., Liolios, A., Machado, E., Maley, P., Mandic, I., Manthos, N., Marel, G., Mikuz, M., Miller, J. P., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Pavlopoulos, P., Pelucchi, F., Da Cunha, J. P., Policarpo, A., Polivka, G., Postma, H., Rickenbach, R., Roberts, B. L., Rozaki, E., Ruf, T., Sacks, L., Sakeliou, L., Sanders, P., Santoni, C., Sarigiannis, K., Schäfer, M., Schaller, L., Schopper, A., Schune, P., Soares, A., Szilagyi, S., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Troester, D. A., Beveren, E., Den Putte, M., Eijk, C. W. E., Varner, G., Vlachos, S., Weber, P., Wigger, O., Witzig, C., Wolter, O., Yeche, C., Zavrtanik, D., and Zimmerman, D.

26. Recent results on CP violation from the CPLEAR experiment

Author

Adler, R., Alhalel, T., Angelopoulos, A., Apostolakis, A., Aslanides, E., Backenstoss, G., Bienlein, J.K., Bee, C.P., Bennet, J., Bertin, V., Bloch, P., Bula, Ch., Burgun, G., Carlson, P., Carvallho, J., Cawley, E., Chardalas, M., Charalambous, S., Danielsson, M., Dedoussis, S., Dejardin, M., Derre, J., Dodgson, M., Dousse, J.C., Duclos, J., Ealet, A., Eckart, B., Eleftheriadis, C., Evangelou, I., Faravel, L., Fassnacht, P., Faure, J.L., Felder, C., Ferreira-Marques, R., Fetscher, W., Fidecaro, M., Filipcic, A., Francis, D., Fry, J., Fuglesang, C., Gabathuler, E., Gamet, R., Garreta, D., Geralis, T., Gerber, H.J., Go, A., Gumplinger, P., Guyot, C., Harrison, P.F., Hayman, P.J., Heyes, W.G., Hollander, R.W., Johner, H.U., Jon-And, K., Jansson, K., Kerek, A., Kern, J., Kettle, P.R., Kochowski, C., Kokkas, P., Kreuger, R., Lawry, T., LeGac, R., Liolios, A., Machado, E., Maley, P., Mandic, I., Manthos, N., Marel, G., Mikuz, M., Miller, J., Montanet, F., Nakada, T., Onofre, A., Pagels, B., Pavlopoulos, P., Pelucchi, F., Pinto da Cunha, J., Policarpo, A., Polivka, G., Postma, H., Rickenbach, R., Roberts, R.L., Rozaki, E., Ruf, T., Sacks, L., Sakeliou, L., Sanders, P., Santoni, C., Sarigannis, K., Schäfer, M., Schaller, L., Schopper, A., Schune, P., Szilagyi, S., Tauscher, L., Thibault, C., Touchard, F., Touramanis, C., Triantis, F., Troester, D.A., Van den Putte, M., Van Eijk, C.W.E., Varner, G., Vlachos, S., Weber, P., Wigger, O., Witzig, C., Wolters, M., Yeche, C., Zavtranik, D., and Zimmerman, D.

Published
1993
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