E
E. Machado
Researcher at University of Coimbra
Publications - 24
Citations - 319
E. Machado is an academic researcher from University of Coimbra. The author has contributed to research in topics: CP violation & Annihilation. The author has an hindex of 9, co-authored 24 publications receiving 314 citations.
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Journal ArticleDOI
Tests of CPT symmetry and quantum mechanics with experimental data from CPLEAR
R. Adler,Kerstin B. Jon-And,A. Liolios,J. Derre,Eef van Beveren,Dimitri V. Nanopoulos,Dimitri V. Nanopoulos,L. Sakeliou,R. Rickenbach,P. Fassnacht,P. Carlson,T. Geralis,T. Geralis,A. Schopper,Nikolaos Mavromatos,R. Gamet,Jorge L. Lopez,E. Machado,C.W.E. van Eijk,Ph. Schune,D. Francis,P. Weber,A. Apostolakis,T. Ruf,J. Pinto da Cunha,D. Garreta,João Carvalho,Michael C. Carroll,Marc Dejardin,M. Mikuz,M. Fidecaro,Igor Mandić,Ch Yèche,M. Schafer,Philippe Bloch,Danilo Zavrtanik,G. Chardin,Claude Guyot,R.W. Hollander,E. Aslanides,A. Ealet,O. Wigger,P.J. Hayman,G. Polivka,F. Leimgruber,John R. Fry,G. Marel,L.A. Schaller,Claudio Santoni,H.-J. Gerber,Nikolaos Manthos,Panagiotis Kokkas,R. Le Gac,F. Henry-Couannier,Ioannis Evangelou,A.J.P.L. Policarpo,A. Go,A. Go,R. Kreuger,L. Faravel,B. Pagels,E. Hubert,B. Eckart,Mats Danielsson,E. Gabathuler,A. Benelli,C. Thibault,R. Ferreira-Marques,Sotirios Vlachos,C. Touramanis,C. Kochowski,Jeffrey Boone Miller,V. Bertin,Christopher Bee,P. Pavlopoulos,B.L. Roberts,A. Soares,Frixos A Triantis,G. S. Varner,G. Backenstoss,A. Haselden,O. Behnke,A. Angelopoulos,F. Touchard,T. Nakada,P.-R. Kettle,Andrej Filipcic,M.B. Chertok,D. Zimmerman,L. Tauscher,T. Schietinger,I. Papadopoulos,A. Cody,F. Montanet,W. Fetscher,E. Cawley,P. Sanders,C. Eleftheriadis,John Ellis,C. Felder,F. Blanc,F. Blanc,Marcin Wladyslaw Wolter,Stef. Charalambous +103 more
TL;DR: In this paper, the authors used fits to recent published CPLEAR data on neutral kaon decays to π + π − and πeν to constrain the CPT-violation parameters appearing in a formulation of the neutral kon system as an open quantum-mechanical system.
Journal ArticleDOI
Measurement of the KL-KS mass difference using semileptonic decays of tagged neutral kaons
R. Adler,T. Alhalel,A. Angelopoulos,A. Angelopoulos,A. Apostolakis,A. Apostolakis,E. Aslanides,E. Aslanides,G. Backenstoss,Christopher Bee,O. Behnke,A. Benelli,J. Bennet,V. Bertin,V. Bertin,J. K. Bienlein,F. Blanc,F. Blanc,P. Bloch,P. Bloch,Ch. Bula,P. Carlson,P. Carlson,Michael C. Carroll,Michael C. Carroll,João Carvalho,E. Cawley,E. Cawley,Stef. Charalambous,M. Chardalas,G. Chardin,M.B. Chertok,M.B. Chertok,A. Cody,Mats Danielsson,Mats Danielsson,Sp. Dedoussis,Marc Dejardin,Marc Dejardin,J. Derre,J. Derre,M. Dodgson,J. Duclos,A. Ealet,A. Ealet,B. Eckart,C. Eleftheriadis,C. Eleftheriadis,Ioannis Evangelou,L. Faravel,L. Faravel,P. Fassnacht,Jean-Louis Faure,C. Felder,R. Ferreira-Marques,W. Fetscher,M. Fidecaro,M. Fidecaro,A. Filipčič,A. Filipčič,D. Francis,D. Francis,J. R. Fry,J. R. Fry,Christer Fuglesang,E. Gabathuler,E. Gabathuler,R. Gamet,R. Gamet,D. Garreta,T. Geralis,H.-J. Gerber,A. Go,A. Go,P. Gumplinger,Claude Guyot,P Harrison,A. Haselden,A. Haselden,P.J. Hayman,P.J. Hayman,F. Henry-Couannier,F. Henry-Couannier,W.G. Heyes,R.W. Hollander,R.W. Hollander,E. Hubert,K. Jansson,H.U. Johner,K. Jon-And,K. Jon-And,P.-R. Kettle,P.-R. Kettle,C. Kochowski,Panagiotis Kokkas,Panagiotis Kokkas,R. Kreuger,R. Kreuger,T. Lawry,R. Le Gac,R. Le Gac,F. Leimgruber,A. Liolios,E. Machado,P. Maley,I. Mandić,I. Mandić,N. Manthos,N. Manthos,G. Marel,G. Marel,M. Mikuž,M. Mikuž,Jeffrey Boone Miller,Jeffrey Boone Miller,F. Montanet,F. Montanet,T. Nakada,T. Nakada,A. Onofre,B. Pagels,I. Papadopoulos,I. Papadopoulos,P. Pavlopoulos,F. Pelucchi,J. Pinto da Cunha,A.J.P.L. Policarpo,G. Polivka,H. Postma,R. Rickenbach,B.L. Roberts,B.L. Roberts,E. Rozaki,T. Ruf,T. Ruf,L. Sacks,L. Sakeliou,P. Sanders,Claudio Santoni,K. Sarigiannis,M. Schafer,L.A. Schaller,L.A. Schaller,T. Schietinger,A. Schopper,A. Schopper,Ph. Schune,A. Soares,L. Tauscher,C. Thibault,C. Thibault,F. Touchard,F. Touchard,C. Touramanis,C. Touramanis,Frixos A Triantis,D.A. Troster,E. van Beveren,C.W.E. van Eijk,C.W.E. van Eijk,G. S. Varner,S. Vlachos,P. Weber,O. Wigger,O. Wigger,C. Witzig,M. Wolter,Ch Yèche,D. Zavrtanik,D. Zavrtanik,D. Zimmerman,D. Zimmerman +171 more
TL;DR: In this article, a new measurement of the K L − K S mass difference Δm using the CPLEAR full data sample of neutral-kaon decays to e πν.
Journal ArticleDOI
Measurement of the CP violation parameter η+− using tagged K0 and K0
R. Adler,T. Alhalel,A. Angelopoulos,A. Apostolakis,E. Aslanides,G. Backenstoss,Christopher Bee,O. Behnke,A. Benelli,J. Bennet,V. Bertin,J. K. Bienlein,F. Blanc,F. Blanc,Philippe Bloch,Ch. Bula,P. Carlson,Michael C. Carroll,João Carvalho,E. Cawley,Stef. Charalambous,M. Chardalas,G. Chardin,M.B. Chertok,A. Cody,Mats Danielsson,Sp. Dedoussis,Marc Dejardin,J. Derre,M. Dodgson,J. Duclos,A. Ealet,B. Eckart,C. Eleftheriadis,Ioannis Evangelou,L. Faravel,P. Fassnacht,Jean-Louis Faure,C. Felder,R. Ferreira-Marques,W. Fetscher,M. Fidecaro,Andrej Filipcic,D. Francis,J. R. Fry,C. Fuglesang,E. Gabathuler,R. Gamet,D. Gamet,D. Garreta,T. Geralis,H.-J. Gerber,A. Go,A. Go,P. Gumplinger,Claude Guyot,P.F. Harrison,A. Haselden,P.J. Hayman,F. Henry-Couannier,W.G. Heyes,R.W. Hollander,E. Hubert,K. Jansson,H.U. Johner,K. Jon-And,P.-R. Kettle,C. Kochowski,Panagiotis Kokkas,R. Kreuger,T. Lawry,R. Le Gac,F. Leimgruber,A. Liolios,E. Machado,P. Maley,Igor Mandić,Nikolaos Manthos,G. Marel,M. Mikuž,Jeffrey Boone Miller,F. Montanet,T. Nakada,A. Onofre,B. Pagels,I. Papadopoulos,P. Pavlopoulos,F. Pelucchi,J. Pinto da Cunha,G. Policarpo,G. Polivka,H. Postma,R. Rickenbach,B.L. Roberts,E. Rozaki,T. Ruf,L. Sacks,L. Sakeliou,P. Sanders,Claudio Santoni,K. Sarigiannis,M. Schafer,L.A. Schaller,T. Schietinger,A. Schopper,Ph. Schune,A. Soares,L. Tauscher,C. Thibault,F. Touchard,C. Touramanis,Frixos A Triantis,D.A. Troster,E. van Beveren,C.W.E. van Eijk,G. S. Varner,Sotirios Vlachos,P. Weber,O. Wigger,C. Witzig,Marcin Wladyslaw Wolter,Ch Yèche,Danilo Zavrtanik,D. Zimmerman +123 more
TL;DR: In this paper, the CP violation parameter η+− was determined through the eigentime-dependent asymmetry in the rates of initially tagged K0 and K 0 decaying to π+π−.
Journal ArticleDOI
Measurement of the neutral kaon regeneration amplitude in carbon at momenta below 1 GeV/c
A. Angelopoulos,A. Apostolakis,Elie Aslanides,G. Backenstoss,P. Bargassa,O. Behnke,A. Benelli,V. Bertin,F. Blanc,P. Bloch,Per Carlson,Michael C. Carroll,João Carvalho,E. Cawley,Stef. Charalambous,G. Chardin,M.B. Chertok,A. Cody,Mats Danielsson,Marc Dejardin,J. Derre,A. Ealet,C. Eleftheriadis,Ioannis Evangelou,L. Faravel,R. Ferreira-Marques,W. Fetscher,M. Fidecaro,Andrej Filipcic,D. Francis,J. R. Fry,E. Gabathuler,R. Gamet,D. Garreta,H.-J. Gerber,A. Go,A. Haselden,P.J. Hayman,F. Henry-Couannier,R.W. Hollander,E. Hubert,K. Jon-And,P.-R. Kettle,Panagiotis Kokkas,R. Kreuger,R. Le Gac,F. Leimgruber,A. Liolios,E. Machado,Igor Mandić,Nikolaos Manthos,G. Marel,M. Mikuž,Jeffrey Boone Miller,F. Montanet,A. Muller,T. Nakada,B. Pagels,I. Papadopoulos,P. Pavlopoulos,J. Pinto da Cunha,A.J.P.L. Policarpo,G. Polivka,R. Rickenbach,B.L. Roberts,T. Ruf,L. Sakeliou,P. Sanders,M. Schafer,Lukas A. Schaller,T. Schietinger,A. Schopper,A. Soares,L. Tauscher,C. Thibault,F. Touchard,C. Touramanis,Frixos A Triantis,E. van Beveren,C.W.E. van Eijk,Sotirios Vlachos,P. Weber,O. Wigger,Marcin Wladyslaw Wolter,Ch Yèche,Danilo Zavrtanik,D. Zimmerman +86 more
TL;DR: In this paper, the neutral kaon regeneration amplitude in carbon at momenta between 250 and 750~MeV/$c$ was determined by measuring the interference of inherent and coherently regenerated pKS amplitudes.
Journal ArticleDOI
CPLEAR results on the CP parameters of neutral kaons decaying to π+π−π0
R. Adler,A. Angelopoulos,A. Apostolakis,E. Aslanides,G. Backenstoss,P. Bargassa,Christopher Bee,O. Behnke,A. Benelli,V. Bertin,F. Blanc,F. Blanc,P. Bloch,Per Carlson,Michael C. Carroll,João Carvalho,E. Cawley,Stef. Charalambous,G. Chardin,M.B. Chertok,A. Cody,Mats Danielsson,Marc Dejardin,J. Derre,A. Ealet,B. Eckart,C. Eleftheriadis,Ioannis Evangelou,L. Faravel,P. Fassnacht,C. Felder,R. Ferreira-Marques,W. Fetscher,M. Fidecaro,Andrej Filipcic,D. Francis,J. R. Fry,E. Gabathuler,R. Gamet,D. Garreta,H.-J. Gerber,A. Go,Claude Guyot,A. Haselden,P.J. Hayman,F. Henry-Couannier,R.W. Hollander,E. Hubert,K. Jon-And,P.-R. Kettle,C. Kochowski,Panagiotis Kokkas,R. Kreuger,R. Kreuger,R. Le Gac,F. Leimgruber,A. Liolios,E. Machado,Igor Mandić,Nikolaos Manthos,G. Marel,M. Mikuž,Jeffrey Boone Miller,F. Montanet,A. Muller,T. Nakada,B. Pagels,I. Papadopoulos,P. Pavlopoulos,J. Pinto da Cunha,A.J.P.L. Policarpo,G. Polivka,R. Rickenbach,B.L. Roberts,T. Ruf,L. Sakeliou,P. Sanders,Claudio Santoni,M. Schafer,Lukas A. Schaller,T. Schietinger,A. Schopper,Ph. Schune,A. Soares,L. Tauscher,C. Thibault,F. Touchard,C. Touramanis,Frixos A Triantis,E. van Beveren,C.W.E. van Eijk,Sotirios Vlachos,P. Weber,O. Wigger,Marcin Wladyslaw Wolter,Ch Yèche,Danilo Zavrtanik,D. Zimmerman +97 more
TL;DR: In this article, the CPLEAR experiment measured time-dependent decay-rate asymmetries of PKz and PaKz decaying to pipmz in order to study the interference between the decay amplitudes of the PKzS and the CP-conserving PKzL decay amplitude.