M
M. Fidecaro
Researcher at CERN
Publications - 107
Citations - 2226
M. Fidecaro is an academic researcher from CERN. The author has contributed to research in topics: Pion & Branching fraction. The author has an hindex of 23, co-authored 106 publications receiving 2093 citations. Previous affiliations of M. Fidecaro include University of Coimbra.
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Journal ArticleDOI
Search for the dark photon in π0 decays
J. R. Batley,G.E. Kalmus,Cristina Lazzeroni,D.J. Munday,M.W. Slater,S. A. Wotton,Roberta Arcidiacono,G. Bocquet,Nicola Cabibbo,A. Ceccucci,D.C. Cundy,V. Falaleev,M. Fidecaro,L. Gatignon,A. Gonidec,W. Kubischta,A. Norton,A. A. Maier,Maulik R. Patel,A. Peters,S. Balev,P. L. Frabetti,Evelina Gersabeck,Evgueni Goudzovski,P. Hristov,V. Kekelidze,V. Kozhuharov,Leander Litov,D. Madigozhin,N. A. Molokanova,I. Polenkevich,Yu. Potrebenikov,S. Stoynev,A. Zinchenko,E. Monnier,E. C. Swallow,Roland Winston,P. Rubin,Alan W. Walker,W. Baldini,A. Cotta Ramusino,P. F. Dalpiaz,C. Damiani,Massimiliano Fiorini,A. Gianoli,M. Martini,F. Petrucci,M. Savrie,M. Scarpa,H. D. Wahl,Andrea Bizzeti,M. Lenti,M. Veltri,Milene Calvetti,Enrico Celeghini,E. Iacopini,Giuseppe Ruggiero,M. Behler,K. Eppard,Konrad Kleinknecht,P. Marouelli,L. Masetti,U. Moosbrugger,C. Morales Morales,B. Renk,M. Wache,R. Wanke,A. Winhart,D. Coward,A. Dabrowski,T. Fonseca Martin,M. Shieh,M. Szleper,Mayda Velasco,M. D. Wood,P. Cenci,M. Pepe,M. C. Petrucci,G. Anzivino,E. Imbergamo,A. Nappi,M. Piccini,Mauro Raggi,M. Valdata-Nappi,C. Cerri,R. Fantechi,G. Collazuol,L. DiLella,G. Lamanna,I. Mannelli,A. Michetti,F. Costantini,N. Doble,Luca Fiorini,S. Giudici,G. Pierazzini,M. Sozzi,S. Venditti,B. Bloch-Devaux,C. Cheshkov,J.B. Cheze,M. De Beer,J. Derre,G. Marel,E. Mazzucato,B. Peyaud,B. Vallage,M. Holder,M. Ziolkowski,Cristina Biino,Nicolo Cartiglia,F. Marchetto,Simone Bifani,Marco Clemencic,S. Goy Lopez,H. Dibon,Manfred Jeitler,M. Markytan,Ivan Mikulec,G. Neuhofer,L. Widhalm +120 more
TL;DR: In this paper, a sample of 1.69 × 10 7 fully reconstructed π 0 → γ e + e − decay candidates collected by the NA48/2 experiment at CERN in 2003-2004 is analyzed to search for the dark photon (A ′ ) production in the π − 0 → − γ A ′ decay followed by the prompt A − → e + − decay.
Journal ArticleDOI
First direct observation of time-reversal non-invariance in the neutral-kaon system
A. Angelopoulos,A. Apostolakis,E. Aslanides,G. Backenstoss,P. Bargassa,O. Behnke,A. Benelli,V. Bertin,F. Blanc,P. Bloch,P. Carlson,Michael C. Carroll,E. Cawley,Stef. Charalambous,M.B. Chertok,Mats Danielsson,Marc Dejardin,J. Derre,A. Ealet,C. Eleftheriadis,L. Faravel,W. Fetscher,M. Fidecaro,Andrej Filipcic,D. Francis,J. R. Fry,E. Gabathuler,R. Gamet,H.-J. Gerber,A. Go,A. Haselden,P.J. Hayman,F. Henry-Couannier,R.W. Hollander,K. Jon-And,P.-R. Kettle,Panagiotis Kokkas,R. Kreuger,R. Le Gac,F. Leimgruber,Igor Mandić,Nikolaos Manthos,G. Marel,M. Mikuž,Jeffrey Boone Miller,F. Montanet,A. Muller,T. Nakada,B. Pagels,I. Papadopoulos,P. Pavlopoulos,A.J.P.L. Policarpo,G. Polivka,R. Rickenbach,B.L. Roberts,T. Ruf,Claudio Santoni,M. Schafer,Lukas A. Schaller,T. Schietinger,A. Schopper,L. Tauscher,C. Thibault,F. Touchard,C. Touramanis,C.W.E. van Eijk,Sotirios Vlachos,P. Weber,O. Wigger,Marcin Wladyslaw Wolter,Danilo Zavrtanik,D. Zimmerman +71 more
TL;DR: The first observation of time-reversal symmetry violation through a comparison of the probabilities of K 0 transforming into K0 and K 0 into K 0 as a function of the neutral-kaon eigentime t was reported in this article.
Journal ArticleDOI
Observation of a cusp-like structure in the π0π0 invariant mass distribution from K±→π±π0π0 decay and determination of the ππ scattering lengths
J. R. Batley,Cristina Lazzeroni,D.J. Munday,M.W. Slater,S. Wotton,Roberta Arcidiacono,G. Bocquet,Nicola Cabibbo,A. Ceccucci,D.C. Cundy,V. Falaleev,M. Fidecaro,L. Gatignon,A. Gonidec,W. Kubischta,A. Norton,Maulik R. Patel,A. Peters,S. Balev,P. L. Frabetti,Evgueni Goudzovski,P. Hristov,V. Kekelidze,V. Kozhuharov,Leander Litov,D. Madigozhin,E. Marinova,N. A. Molokanova,I. Polenkevich,Yu. Potrebenikov,S. Stoynev,A. Zinchenko,E. Monnier,E. C. Swallow,R. Winston,P. Rubin,Alan W. Walker,Wander Baldini,A. Cotta Ramusino,P. F. Dalpiaz,C. Damiani,Massimiliano Fiorini,A. Gianoli,M. Martini,F. Petrucci,M. Savrie,M. Scarpa,H. D. Wahl,Andrea Bizzeti,Milene Calvetti,Enrico Celeghini,E. Iacopini,M. Lenti,F. Martelli,Giuseppe Ruggiero,M. Veltri,M. Behler,K. Eppard,Konrad Kleinknecht,P. Marouelli,L. Masetti,U. Moosbrugger,C. Morales Morales,B. Renk,M. Wache,R. Wanke,A. Winhart,D. Coward,A. Dabrowski,T. Fonseca Martin,M. Shieh,M. Szleper,Mayda Velasco,M. D. Wood,G. Anzivino,P. Cenci,E. Imbergamo,M. Pepe,M. C. Petrucci,M. Piccini,Mauro Raggi,M. Valdata-Nappi,C. Cerri,G. Collazuol,F. Costantini,L. DiLella,N. Doble,R. Fantechi,Luca Fiorini,S. Giudici,G. Lamanna,I. Mannelli,A. Michetti,G.M. Pierazzini,M. Sozzi,B. Bloch-Devaux,C. Cheshkov,J.B. Cheze,M. De Beer,J. Derre,G. Marel,E. Mazzucato,B. Peyaud,B. Vallage,M. Holder,A. Maier,M. Ziolkowski,Simone Bifani,Cristina Biino,Nicolo Cartiglia,Marco Clemencic,S. Goy Lopez,F. Marchetto,H. Dibon,Manfred Jeitler,M. Markytan,Ivan Mikulec,G. Neuhofer,L. Widhalm +118 more
TL;DR: Cabibbo and Isidori as discussed by the authors reported an anomaly in the invariant mass distribution in the region around M 00 = 2 m +, where m + is the charged pion mass.
Journal ArticleDOI
Precise tests of low energy QCD from K-e4 decay properties
Jacqueline Batley,G. Kalmus,Cristina Lazzeroni,Cristina Lazzeroni,D. J. Munday,M. Slater,M. Slater,S. A. Wotton,Roberta Arcidiacono,G. Bocquet,Nicola Cabibbo,Nicola Cabibbo,A. Ceccucci,D.C. Cundy,V. Falaleev,M. Fidecaro,Lau Gatignon,A. Gonidec,W. Kubischta,A. Norton,A. A. Maier,Maulik R. Patel,Maulik R. Patel,A. Peters,S. Balev,S. Balev,P. L. Frabetti,Evgueni Goudzovski,Evgueni Goudzovski,Peter Zahariev Hristov,Peter Zahariev Hristov,Vladimir Kekelidze,V. Kozhuharov,V. Kozhuharov,Leander Litov,Leander Litov,D. T. Madigozhin,E. Marinova,N. A. Molokanova,I. Polenkevich,Yu. Potrebenikov,Stoyan Stoynev,Stoyan Stoynev,A. I. Zinchenko,E. Monnier,E. Monnier,E. C. Swallow,Roland Winston,P. Rubin,P. Rubin,Alan W. Walker,W. Baldini,A. Cotta Ramusino,P. F. Dalpiaz,C. Damiani,Massimiliano Fiorini,A. Gianoli,M. Martini,Fabrizio Petrucci,M. Savrie,M. Scarpa,H. D. Wahl,Andrea Bizzeti,M. Lenti,M. Veltri,Milene Calvetti,Enrico Celeghini,E. Iacopini,G. Ruggiero,M. Behler,K. Eppard,Konrad Kleinknecht,P. Marouelli,L. Masetti,U. Moosbrugger,C. Morales Morales,B. Renk,M. Wache,Rainer Wanke,A. Winhart,D. Coward,D. Coward,Anne Dabrowski,Anne Dabrowski,T. Fonseca Martin,M. Shieh,M. Szleper,Mayda Velasco,M. D. Wood,M. D. Wood,P. Cenci,M. Pepe,M. C. Petrucci,G. Anzivino,E. Imbergamo,A. Nappi,Mauro Piccini,Mauro Raggi,M. Valdata-Nappi,C. Cerri,R. Fantechi,G. Collazuol,L. DiLella,G. Lamanna,I. Mannelli,A. Michetti,F. Costantini,N. Doble,Luca Fiorini,S. Giudici,G.M. Pierazzini,M. Sozzi,S. Venditti,B. Bloch-Devaux,B. Bloch-Devaux,C. Cheshkov,C. Cheshkov,J.B. Cheze,M. De Beer,J. Derre,G. Marel,E. Mazzucato,B. Peyaud,B. Vallage,M. Holder,Michael Ziolkowski,Cristina Biino,Nicolo Cartiglia,F. Marchetto,Simone Bifani,Marco Clemencic,S. Goy Lopez,H. Dibon,Manfred Jeitler,M. Markytan,Ivan Mikulec,G. Neuhofer,L. Widhalm +137 more
TL;DR: In this paper, the phase difference between the S- and P-wave states of the ππ system is accurately measured and allows a precise determination of the I = 0 and I = 2 S-wave scattering lengths.
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.