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ChPT tests at the NA48 and NA62 experiments at CERN

D. Madigozhin,F. Ambrosino,A. Antonelli,G. Anzivino,Roberta Arcidiacono,W. Baldini,S. Balev,J. R. Batley,M. Behler,S. Bifani,Cristina Biino,A. Bizzeti,B. Bloch-Devaux,G. Bocquet,В.Н. Болотов,F. Bucci,N. Cabibbo,M Calvetti,Nicolò Cartiglia,A. Ceccucci,P. Cenci,C. Cerri,Cvetan Valeriev Cheshkov,J.B. Chèze,M. Clemencic,G. Collazuol,F. Costantini,A. Cotta Ramusino,D. H. Coward,D. Cundy,Anne Dabrowski,G. D’Agostini,P. Dalpiaz,C. Damiani,H. O. Danielsson,M. De Beer,G. Dellacasa,J. Derré,H. Dibon,D. Di Filippo,L. Di Lella,N. Doble,Viacheslav Duk,J. Engelfried,K. Eppard,V. Falaleev,R. Fantechi,M. Fidecaro,Luca Fiorini,Massimiliano Fiorini,T. Fonseca-Martin,P.L. Frabetti,A. Fucci,S. Gallorini,L. Gatignon,Evelina Gersabeck,A. Gianoli,S. Giudici,A. Gonidec,E. Goudzovski,S. Goy Lopez,E. Gushchin,B. Hallgren,M. Hita-Hochgesand,M. Holder,Peter Zahariev Hristov,E. Iacopini,E. Imbergamo,Manfred Jeitler,G. Kalmus,V. Kekelidze,K. Kleinknecht,V. Kozhuharov,W. Kubischta,V. F. Kurshetsov,G. Lamanna,C. Lazzeroni,M. Lenti,Emanuele Leonardi,Leander Litov,A. Maier,I. Mannelli,F. Marchetto,G. Marel,M. Markytan,P. Marouelli,M. Martini,Lucia Masetti,Paolo Massarotti,E. Mazzucato,A. Michetti,Ivan Mikulec,Milena Misheva,N. Molokanova,Emmanuel Monnier,U. Moosbrugger,C. Morales Morales,M. Moulson,S. Movchan,D. J. Munday,M. Napolitano,A. Nappi,G. Neuhofer,A. Norton,T. Numao,V. Obraztsov,Vito Palladino,M. Patel,M. Pepé,Joachim Andreas Peters,F. Petrucci,M.C. Petrucci,B. Peyaud,Roberto Piandani,Mauro Piccini,G. Pierazzini,I. Polenkevich,I. Popov,Yuri Potrebenikov,M. Raggi,B. Renk,F. Retière,Petra Riedler,A. Romano,P. Rubin,G. Ruggiero,A. Salamon,G. Saracino,M. Savrié,M. Scarpa,V. Semenov,Antonino Sergi,M. Serra,M. Shieh,S. Shkarovskiy,Mark Slater,M. Sozzi,T. Spadaro,Stoyan Stoynev,E. C. Swallow,Michał Szleper,M. Valdata-Nappi,P. Valente,B. Vallage,Mayda Velasco,M. Veltri,S. Venditti,M. Wache,H. Wahl,A. Walker,R. Wanke,L. Widhalm,A. Winhart,R. Winston,M.D. Wood,Stephen Wotton,O. Yushchenko,A. S. Zinchenko,M. Ziolkowski

Large Hadron Collider

Particle physics

Computer science

2015

The NA48/2 Collaboration at CERN has accumulated unprecedented statistics of rare kaon decays in the K e4 modes: K e4 (+-) (K ± → π + π -e ± ν) and K e4 (00) (K ± → π 0 π 0 e ± ν) with nearly one percent background contamination.The detailed study of form factors and branching rates, based on these data, has been completed recently.The results brings new inputs to low energy strong interactions description and tests of Chiral Perturbation Theory (ChPT) and lattice QCD calculations.In particular, new data support the ChPT prediction for a cusp in the π 0 π 0 invariant mass spectrum at the two charged pions threshold for K e4 (00) decay.New final results from an analysis of about 400 K ± → π ± γγ rare decay candidates collected by the NA48/2 and NA62 experiments at CERN during low intensity runs with minimum bias trigger configurations are presented.The results include a model-independent decay rate measurement and fits to ChPT description.

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“ChPT tests at the NA48 and NA62 experiments at CERN” is a paper by D. Madigozhin F. Ambrosino A. Antonelli G. Anzivino Roberta Arcidiacono W. Baldini S. Balev J. R. Batley M. Behler S. Bifani Cristina Biino A. Bizzeti B. Bloch-Devaux G. Bocquet В.Н. Болотов F. Bucci N. Cabibbo M Calvetti Nicolò Cartiglia A. Ceccucci P. Cenci C. Cerri Cvetan Valeriev Cheshkov J.B. Chèze M. Clemencic G. Collazuol F. Costantini A. Cotta Ramusino D. H. Coward D. Cundy Anne Dabrowski G. D’Agostini P. Dalpiaz C. Damiani H. O. Danielsson M. De Beer G. Dellacasa J. Derré H. Dibon D. Di Filippo L. Di Lella N. Doble Viacheslav Duk J. Engelfried K. Eppard V. Falaleev R. Fantechi M. Fidecaro Luca Fiorini Massimiliano Fiorini T. Fonseca-Martin P.L. Frabetti A. Fucci S. Gallorini L. Gatignon Evelina Gersabeck A. Gianoli S. Giudici A. Gonidec E. Goudzovski S. Goy Lopez E. Gushchin B. Hallgren M. Hita-Hochgesand M. Holder Peter Zahariev Hristov E. Iacopini E. Imbergamo Manfred Jeitler G. Kalmus V. Kekelidze K. Kleinknecht V. Kozhuharov W. Kubischta V. F. Kurshetsov G. Lamanna C. Lazzeroni M. Lenti Emanuele Leonardi Leander Litov A. Maier I. Mannelli F. Marchetto G. Marel M. Markytan P. Marouelli M. Martini Lucia Masetti Paolo Massarotti E. Mazzucato A. Michetti Ivan Mikulec Milena Misheva N. Molokanova Emmanuel Monnier U. Moosbrugger C. Morales Morales M. Moulson S. Movchan D. J. Munday M. Napolitano A. Nappi G. Neuhofer A. Norton T. Numao V. Obraztsov Vito Palladino M. Patel M. Pepé Joachim Andreas Peters F. Petrucci M.C. Petrucci B. Peyaud Roberto Piandani Mauro Piccini G. Pierazzini I. Polenkevich I. Popov Yuri Potrebenikov M. Raggi B. Renk F. Retière Petra Riedler A. Romano P. Rubin G. Ruggiero A. Salamon G. Saracino M. Savrié M. Scarpa V. Semenov Antonino Sergi M. Serra M. Shieh S. Shkarovskiy Mark Slater M. Sozzi T. Spadaro Stoyan Stoynev E. C. Swallow Michał Szleper M. Valdata-Nappi P. Valente B. Vallage Mayda Velasco M. Veltri S. Venditti M. Wache H. Wahl A. Walker R. Wanke L. Widhalm A. Winhart R. Winston M.D. Wood Stephen Wotton O. Yushchenko A. S. Zinchenko M. Ziolkowski published in 2015. It has an Open Access status of “hybrid”. You can read and download a PDF Full Text of this paper here.