K0– mass and decay-width differences: CPLEAR evaluation

Autor: V. Bertin, M. Schafer, L. Tauscher, P. Bloch, R. Le Gac, M. Wolter, E. Cawley, R. Kreuger, Marc Dejardin, F. Touchard, C. Eleftheriadis, P. Weber, A. Haselden, I. Mandić, J. R. Fry, Panagiotis Kokkas, B.L. Roberts, O. Behnke, W. Fetscher, D. Francis, T. Nakada, G. Marel, I. Papadopoulos, A. Angelopoulos, K. Jon-And, F. Leimgruber, A. Schopper, S. Vlachos, F. Montanet, P.J. Hayman, O. Wigger, A. Go, A. Ealet, D. Zimmerman, P.-R. Kettle, P. Carlson, A. Filipčič, T. Ruf, A. Apostolakis, F. Henry-Couannier, M. Fidecaro, R.W. Hollander, Jeffrey Boone Miller, Elie Aslanides, N. Manthos, C. Thibault, Michael C. Carroll, J. Derre, G. Polivka, D. Zavrtanik, P. Pavlopoulos, A. Muller, C. Touramanis, R. Gamet, F. Blanc, H.-J. Gerber, L.A. Schaller, Mats Danielsson, B. Pagels, A. Benelli, C.W.E. van Eijk, E. Gabathuler, R. Rickenbach, T. Schietinger, M.B. Chertok, G. Backenstoss, P. Bargassa, M. Mikuž

Publikováno v: Physics Letters B. 471:332-338

The CPT-violation parameters Re(δ) and Im(δ) determined recently by CPLEAR are used to evaluate the K0– K 0 mass and decay-width differences, as given by the difference between the diagonal elements of the neutral-kaon mixing matrix (M−iΓ/2).

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8f270a44087f1a9ce462e49dc34051fc
https://doi.org/10.1016/s0370-2693(99)01333-7

Search for CP violation in the decay of tagged and K0 to π0π0π0

Autor: F. Touchard, C. Touramanis, T. Schietinger, P. Weber, M.B. Chertok, M. Fidecaro, R. Le Gac, L. Faravel, O. Wigger, S. Vlachos, A. Apostolakis, J. R. Fry, L.A. Schaller, A. Benelli, C.W.E. van Eijk, G. Backenstoss, F. Henry-Couannier, V. Bertin, M. Schafer, N. Manthos, T. Nakada, O. Behnke, A. Angelopoulos, L. Tauscher, P. Bargassa, C. Thibault, Jeffrey Boone Miller, R. Kreuger, Mats Danielsson, G. Polivka, M. Mikuž, I. Mandić, F. Leimgruber, A. Schopper, E. Gabathuler, R. Rickenbach, J. Derre, G. Marel, F. Blanc, M. Wolter, E. Cawley, Elie Aslanides, A. Filipčič, Panagiotis Kokkas, B. L. Roberts, A. Haselden, D. Zimmerman, P.J. Hayman, W. Fetscher, P. Carlson, B. Pagels, Michael C. Carroll, I. Papadopoulos, K. Jon-And, P.-R. Kettle, P. Bloch, F. Montanet, D. Zavrtanik, A. Ealet, R. Gamet, R.W. Hollander, P. Pavlopoulos, T. Ruf, D. Francis, Marc Dejardin, A. Go, C. Eleftheriadis, A. Muller, H.-J. Gerber

Publikováno v: Physics Letters B. 425:391-398

The CPLEAR experiment measured the eigentime-dependent asymmetry in the rates of initially tagged K 0 and K 0 decaying to π 0 π 0 π 0 in order to study the interference between the CP-violating K S and the CP-conserving K L decay amplitudes. Witho

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::76c781f30e0e4e716178c6ca1ba3ab2e
https://doi.org/10.1016/s0370-2693(98)00256-1

Observation of the CP-conserving Ks → π+π−π0 decay amplitude

Autor: L. Faravel, P. Carlson, W. Fetscher, H. Postma, F. Henry-Couannier, O. Behnke, D. Garreta, M. Mikuž, L. Sacks, F. Leimgruber, Ioannis Evangelou, A. Schopper, D. Francis, C. Witzig, J. Duclos, R. Ferreira-Marques, Mats Danielsson, R. Adler, P.J. Hayman, P.F. Harrison, Andrej Filipcic, J. Derre, P.-R. Kettle, H.U. Johner, E. Gabathuler, R. Rickenbach, P. Gumplinger, Ch Yèche, Stef. Charalambous, B. Eckart, O. Wigger, L. Tauscher, L. Sakeliou, C. Touramanis, R. Le Gac, Claude Guyot, F. Blanc, T. Ruf, E. Machado, J. K. Bienlein, Frixos A Triantis, R. Gamet, Philippe Bloch, P. Pavlopoulos, Ph. Schune, G. Polivka, C. Kochowski, E. Aslanides, L.A. Schaller, Panagiotis Kokkas, K. Jansson, A. Ealet, T. Geralis, B.L. Roberts, M. Chardalas, M.B. Chertok, B. Pagels, Sotirios Vlachos, Danilo Zavrtanik, K. Jon-And, A. Angelopoulos, Claudio Santoni, G. Backenstoss, P. Fassnacht, R. Kreuger, A. Haselden, J. R. Fry, J. Pinto da Cunha, E. Rozaki, E. Hubert, A. Benelli, C.W.E. van Eijk, D.A. Troster, Sp. Dedoussis, Marcin Wladyslaw Wolter, F. Pelucchi, João Carvalho, F. Montanet, D. Zimmerman, Jeffrey Boone Miller, G. S. Varner, R.W. Hollander, C. Fuglesang, A. Onofre, M. Schafer, T. Lawry, Nikolaos Manthos, C. Felder, T. Alhalel, V. Bertin, T. Schietinger, Ch. Bula, M. Dodgson, A. Go, H.-J. Gerber, W.G. Heyes, A. Soares, A. Liolios, G. Chardin, Jean-Louis Faure, M. Fidecaro, A. Apostolakis, J. Bennet, I. Papadopoulos, C. Thibault, P. Maley, G. Marel, T. Nakada, P. Sanders, C. Eleftheriadis, Igor Mandić, A.J.P.L. Policarpo, P. Weber, Marc Dejardin, Michael C. Carroll, Christopher Bee, A. Cody, K. Sarigiannis, E. Cawley, E. van Beveren, F. Touchard

Publikováno v: Physics Letters B. 374:313-318

The interference between CP-conserving Ks and K L → π + π − π 0 decay amplitudes was observed by studying the decay rate asymmetries between initial K 0 and K 0 separately for the phase space regions E CM ( π + ) > E CM ( π − ) and E CM (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7b95ecd77113cca0fd834b51275287cd
https://doi.org/10.1016/0370-2693(96)00222-5

Measurement of the CP violation parameter η+− using tagged K0 and 0

Autor: M. Chardalas, M.B. Chertok, K. Jon-And, T. Alhalel, R. Le Gac, M. Schafer, A. Haselden, C. Thibault, J. Bennet, Andrej Filipcic, R.W. Hollander, Claudio Santoni, C. Felder, P. Carlson, Mats Danielsson, R. Adler, W. Fetscher, T. Nakada, Igor Mandić, R. Ferreira-Marques, E. Cawley, C. Eleftheriadis, E. Aslanides, J. R. Fry, João Carvalho, F. Montanet, H.U. Johner, Claude Guyot, P.F. Harrison, H.-J. Gerber, F. Henry-Couannier, W.G. Heyes, G. S. Varner, P.-R. Kettle, V. Bertin, L. Tauscher, Ch Yèche, B. Eckart, O. Wigger, L. Faravel, P. Sanders, E. Machado, J. Derre, Panagiotis Kokkas, D. Garreta, G. Policarpo, D. Gamet, Stef. Charalambous, C. Touramanis, J. K. Bienlein, Nikolaos Manthos, B.L. Roberts, Ch. Bula, Frixos A Triantis, O. Behnke, A. Liolios, A. Cody, L. Sacks, Philippe Bloch, M. Dodgson, Marc Dejardin, F. Leimgruber, Sp. Dedoussis, G. Polivka, Sotirios Vlachos, A. Schopper, M. Fidecaro, T. Schietinger, H. Postma, T. Geralis, A. Benelli, C.W.E. van Eijk, P.J. Hayman, Danilo Zavrtanik, A. Go, A. Angelopoulos, Ph. Schune, G. Backenstoss, Marcin Wladyslaw Wolter, J. Pinto da Cunha, I. Papadopoulos, P. Weber, A. Ealet, F. Pelucchi, T. Lawry, J. Duclos, E. van Beveren, F. Touchard, P. Maley, A. Soares, M. Mikuž, D. Francis, P. Pavlopoulos, A. Onofre, T. Ruf, R. Gamet, K. Jansson, G. Chardin, Jean-Louis Faure, L.A. Schaller, E. Rozaki, C. Witzig, K. Sarigiannis, F. Blanc, C. Kochowski, Christopher Bee, B. Pagels, Jeffrey Boone Miller, C. Fuglesang, Ioannis Evangelou, R. Kreuger, E. Gabathuler, R. Rickenbach, P. Gumplinger, A. Apostolakis, G. Marel, L. Sakeliou, Michael C. Carroll, P. Fassnacht, E. Hubert, D. Zimmerman, D.A. Troster

Publikováno v: Physics Letters B. 363:243-248

The CP violation parameter η+− is determined through the eigentime-dependent asymmetry in the rates of initially tagged K0 and K 0 decaying to π+π−. The obtained values are |η+−| = (2.312 ± 0.043stat. ± 0.030syst. ± 0.011τs) × 10−3 a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67398bec1339fabd19f8d482c18cfa54
https://doi.org/10.1016/0370-2693(95)01295-0

Two pion Bose-Einstein correlations in p annihilations at rest

Autor: G. Chardin, Jean-Louis Faure, D. Garreta, J. Kern, G. Backenstoss, C. Thibault, C. Eleftheriadis, Ch Yèche, Francois Touchard, B. Eckart, Stef. Charalambous, Christer Fuglesang, G. Polivka, J. Pinto da Cunha, H. Postma, K. Sarigiannis, Sp. Dedoussis, R. Le Gac, J. R. Fry, P. Gumplinger, Andras Kerek, J. Duclos, M. Dejardin, A. Go, Ph. Schune, M. Schafer, T. Ruf, M. Chardalas, A. Onofre, A. Soares, R. Kreuger, A. Ealet, Kerstin Jon-And, Christopher Bee, K. Jansson, Nikolaos Manthos, P. Pavlopoulos, Ioannis Evangelou, G. S. Varner, A. Liolios, A. Schopper, B.L. Roberts, P.J. Hayman, J.P. Miller, E. van Beveren, T. Nakada, R. Garnet, Ch. Bula, P.R. Kettle, L. Tauscher, C. Witzig, V. Bertin, W. Fetscher, E. Machado, O. Wigger, Elie Aslanides, J. K. Bienlein, M. Fidecaro, M. Van den Putte, A. Alhalel, J.C. Dousse, P. Fassnacht, S. Vlachos, O. Wolter, G. Marel, J. Bennet, E. Cawley, Marko Mikuz, A. Apostolakis, Mats Danielsson, D.A. Troester, H.-J. Gerber, R. Adler, Igor Mandić, Danilo Zavrtanik, E. Gabathuler, R. Rickenbach, D. Zimmerman, E. Rozaki, W.G. Heyes, C. Kochowski, P. Carlson, R. Ferreira-Marques, B. Pagels, David Francis, C.W.E. van Eijk, P. Sanders, S. Szilagyi, Theodoros Geralis, A. Angelopoulos, P.F. Harrison, A.J.P.L. Policarpo, P. Bloch, J. Derre, Panagiotis Kokkas, F. Pelucchi, P. Weber, C. Touramanis, R.W. Hollander, Frixos A Triantis, T. Lawry, L.A. Schaller, Claudio Santoni, Andrej Filipcic, H.U. Johner, João Carvalho, F. Montanet, Claude Guyot, C. Felder, M. Dodgson, P. Maley, L. Sakeliou, L. Faravel, L. Sacks

Publikováno v: Nuclear Physics A. 558:43-51

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 li

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a008449a90e41b1e916a0d07bd0f99fc
https://doi.org/10.1016/0375-9474(93)90381-7