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1. Search for $K^+$ decays into the $\pi^+e^+e^-e^+e^-$ final state

Author: Cortina Gil, Eduardo, Minucci, Elisa, Padolski, Sergey, Petrov, Plamen, Velghe, Bob, Bryman, Douglas, Fu, Ji, Numao, Toshio, Petrov, Yevgeniy, Wong, Vincent Wai Sum, Husek, Tomas, Kampf, Karol, Zamkovsky, Michal, Jerhot, Jan, Aliberti, Riccardo, Khoriauli, Gia, Kunze, Jonas, Lomidze, David, Marchevski, Radoslav, Peruzzo, Letizia, Vormstein, Mario, Wanke, Rainer, Cotta Ramusino, Angelo, Dalpiaz, Pietro, Fiorini, Massimiliano, Gamberini, Enrico, Gianoli, Alberto, Neri, Ilaria, Norton, Alan, Petrucci, Ferruccio, Wahl, Heinrich, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Latino, Giuseppe, Lenti, Massimo, Parenti, Andrea, Volpe, Roberta, Antonelli, Antonella, Gonnella, Francesco, Lamanna, Gianluca, Lanfranchi, Gaia, Tinti, Gemma, Martellotti, Silvia, Moulson, Matthew, Kozhuharov, Venelin, Litov, Leandar, Georgiev, Georgi, Raggi, Mauro, Spadaro, Tommaso, Ambrosino, Fabio, Fiorenza, Renato, Capussela, Tiziana, Corvino, Michele, Di Filippo, Domenico, Massarotti, Paolo, Mirra, Marco, Napolitano, Marco, Saracino, Giulio, Anzivino, Giuseppina, Imbergamo, Ermanno, Lollini, Riccardo, Santoni, Cristiano, Brizioli, Francesco, Barbanera, Mattia, Cenci, Patrizia, Checcucci, Bruno, Duk, Viacheslav, Lupi, Matteo, Pepe, Monica, Piccini, Mauro, Lubrano, Pasquale, Costantini, Flavio, Doble, Niels, Giorgi, Marcello, Giudici, Sergio, Lari, Enrico, Pinzino, Jacopo, Pontisso, Luca, Sozzi, Marco, Di Lella, Luigi, Mannelli, Italo, Cerri, Claudio, Fantechi, Riccardo, Pedreschi, Elena, Piandani, Roberto, Spinella, Franco, Biagioni, Andrea, d'Agostini, Giulio, Leonardi, Emanuele, Lonardo, Alessandro, Valente, Paolo, Vicini, Piero, Cretaro, Paolo, Turisini, Matteo, Frezza, Ottorino, Ammendola, Roberto, Bonaiuto, Vincenzo, de Simone, Nicola, Federici, Luca, Fucci, Adolfo, Salamon, Andrea, Sargeni, Fausto, Arcidiacono, Roberta, Biino, Cristina, Bloch-Devaux, Brigitte, Boretto, Marco, Filippi, Alessandra, Iacobuzio, Lorenza, Marchetto, Flavio, Menichetti, Ezio, Migliore, Ernesto, Soldi, Dario, Engelfried, Jürgen, Estrada-Tristan, Nora, Bragadireanu, Alexandru Mario, Ghinescu, Stefan Alexandru, Hutanu, Ovidiu Emanuel, Enik, Temur, Falaleev, Valeri, Kekelidze, Vladimir, Korotkova, Anna, Madigozhin, Dmitry, Misheva, Milena, Molokanova, Natalia, Movchan, Sergei, Polenkevich, Irina, Potrebenikov, Yuri, Shkarovskiy, Sergey, Zinchenko, Andrey, Baeva, Aigul, Baigarashev, Dosbol, Emelyanov, Dmitry, Fedotov, Sergei, Khotyantsev, Alexey, Gushchin, Evgeny, Kleimenova, Alina, Kudenko, Yury, Kurochka, Viktoriia, Medvedeva, Mariia, Mefodev, Aleksandr, Shaikhiev, Artur, Kholodenko, Sergey, Kurshetsov, Viktor, Obraztsov, Vladimir, Ostankov, Aleksandr, Semenov, Vitali, Sugonyaev, Valentin, Yushchenko, Oleg, Bician, Lubos, Blazek, Tomas, Cerny, Vladimir, Koval, Michal, Kucerova, Zuzana, Ceccucci, Augusto, Bernhard, Johannes, Danielsson, Hans, Döbrich, Babette, Duval, Francois, Gatignon, Lau, Guida, Roberto, Hahn, Ferdinand, Holzer, Eva Barbara, Jenninger, Berthold, Laycock, Paul, Lehmann Miotto, Giovanna, Lichard, Peter, Mapelli, Alessandro, Noy, Matthew, Palladino, Vito, Perrin-Terrin, Mathieu, Ruggiero, Giuseppe, Ryjov, Vladimir, Schuchmann, Simone, Venditti, Stefano, Brunetti, Maria Brigida, Bache, Thomas, Goudzovski, Evgueni, Henshaw, Jack, Tomczak, Adam, Lazzeroni, Cristina, Fascianelli, Valeria, Lurkin, Nicolas, Newson, Francis, Parkinson, Christopher, Romano, Angela, Sergi, Antonino, Sturgess, Andrew, Swallow, Joel, Heath, Helen, Page, Ryan, Trilov, Stoyan, Angelucci, Bruno, Britton, David, Protopopescu, Dan, Graham, Connor, Jones, Roger William Lewis, Dainton, John Bourke, Fry, John Richard, Fulton, Liam, Hutchcroft, David, Carmignani, Joseph, Massri, Karim, Maurice, Emilie, Wrona, Bozydar, Conovaloff, Adam, Cooper, Peter, Coward, David, Rubin, Philip David, Hives, Zdenko, Akmete, Atakan Tugberk, Soldani, Mattia, Bandiera, Laura, Mazzolari, Andrea, Romagnoni, Marco, Sytov, Alexei, Panichi, Ilaria, Lo Chiatto, Prisco, d'Errico, Mariaelena, Giordano, Raffaele, Briano Olvera, Alejandro, Reyes Santos, Marco Antonio, Boboc, Petre, Kereibay, Dias, Gorshanov, Konstantin, Okhotnikov, Artem, Sadovskiy, Alexander, Sanders, Jack, Kenworthy, Chandler, de Martino, Bianca, Rosa, Ilaria, Ceoletta, Marco, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), and NA62
Subjects: pair production, CERN Lab, quantum chromodynamics, axion, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], anomaly, mediation, branching ratio, hidden sector, NA62, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: The first search for ultra-rare $K^+$ decays into the $\pi^+e^+e^-e^+e^-$ final state is reported, using a dataset collected by the NA62 experiment at CERN in 2017-2018. An upper limit of $1.4\times 10^{-8}$ at 90% CL is obtained for the branching ratio of the $K^+\to\pi^+e^+e^-e^+e^-$ decay, predicted in the Standard Model to be $(7.2\pm0.7)\times 10^{-11}$. Upper limits at 90% CL are obtained at the level of $10^{-9}$ for the branching ratios of two prompt decay chains involving pair-production of hidden-sector mediators: $K^+\to\pi^+aa$, $a\to e^+e^-$ and $K^+\to\pi^+S$, $S\to A^\prime A^\prime$, $A^\prime\to e^+e^-$. The QCD axion is excluded as a possible explanation of the "17 MeV anomaly"., Comment: Version to be submitted to Physics Letters B
Published: 2023

2. A study of the $K^+ \to \pi^0 e^+ \nu \gamma$ decay

Author: Cortina Gil, Eduardo, Minucci, Elisa, Padolski, Sergey, Petrov, Plamen, Velghe, Bob, Bryman, Douglas, Fu, Ji, Numao, Toshio, Petrov, Yevgeniy, Wong, Vincent Wai Sum, Husek, Tomas, Kampf, Karol, Zamkovsky, Michal, Jerhot, Jan, Aliberti, Riccardo, Khoriauli, Gia, Kunze, Jonas, Lomidze, David, Marchevski, Radoslav, Peruzzo, Letizia, Vormstein, Mario, Wanke, Rainer, Cotta Ramusino, Angelo, Dalpiaz, Pietro, Fiorini, Massimiliano, Gamberini, Enrico, Gianoli, Alberto, Neri, Ilaria, Norton, Alan, Petrucci, Ferruccio, Wahl, Heinrich, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Latino, Giuseppe, Lenti, Massimo, Parenti, Andrea, Volpe, Roberta, Antonelli, Antonella, Gonnella, Francesco, Lamanna, Gianluca, Lanfranchi, Gaia, Tinti, Gemma, Martellotti, Silvia, Moulson, Matthew, Kozhuharov, Venelin, Litov, Leandar, Georgiev, Georgi, Raggi, Mauro, Spadaro, Tommaso, Ambrosino, Fabio, Fiorenza, Renato, Capussela, Tiziana, Corvino, Michele, Di Filippo, Domenico, Massarotti, Paolo, Mirra, Marco, Napolitano, Marco, Saracino, Giulio, Anzivino, Giuseppina, Imbergamo, Ermanno, Lollini, Riccardo, Santoni, Cristiano, Brizioli, Francesco, Barbanera, Mattia, Cenci, Patrizia, Checcucci, Bruno, Duk, Viacheslav, Lupi, Matteo, Pepe, Monica, Piccini, Mauro, Lubrano, Pasquale, Costantini, Flavio, Doble, Niels, Giorgi, Marcello, Giudici, Sergio, Lari, Enrico, Pinzino, Jacopo, Pontisso, Luca, Sozzi, Marco, Di Lella, Luigi, Mannelli, Italo, Cerri, Claudio, Fantechi, Riccardo, Pedreschi, Elena, Piandani, Roberto, Spinella, Franco, Biagioni, Andrea, D'Agostini, Giulio, Leonardi, Emanuele, Lonardo, Alessandro, Valente, Paolo, Vicini, Piero, Cretaro, Paolo, Turisini, Matteo, Frezza, Ottorino, Ammendola, Roberto, Bonaiuto, Vincenzo, De Simone, Nicola, Federici, Luca, Fucci, Adolfo, Salamon, Andrea, Sargeni, Fausto, Arcidiacono, Roberta, Biino, Cristina, Bloch-Devaux, Brigitte, Boretto, Marco, Filippi, Alessandra, Iacobuzio, Lorenza, Marchetto, Flavio, Menichetti, Ezio, Migliore, Ernesto, Soldi, Dario, Engelfried, Jürgen, Estrada-Tristan, Nora, Bragadireanu, Alexandru Mario, Ghinescu, Stefan Alexandru, Hutanu, Ovidiu Emanuel, Enik, Temur, Falaleev, Valeri, Kekelidze, Vladimir, Korotkova, Anna, Madigozhin, Dmitry, Misheva, Milena, Molokanova, Natalia, Movchan, Sergei, Polenkevich, Irina, Potrebenikov, Yuri, Shkarovskiy, Sergey, Zinchenko, Alexander, Baeva, Aigul, Baigarashev, Dosbol, Emelyanov, Dmitry, Fedotov, Sergei, Khotyantsev, Alexey, Gushchin, Evgeny, Kleimenova, Alina, Kudenko, Yury, Kurochka, Viktoriia, Medvedeva, Mariia, Mefodev, Aleksandr, Shaikhiev, Artur, Kholodenko, Sergey, Kurshetsov, Viktor, Obraztsov, Vladimir, Ostankov, Aleksandr, Semenov, Vitali, Sugonyaev, Valentin, Yushchenko, Oleg, Bician, Lubos, Blazek, Tomas, Cerny, Vladimir, Koval, Michal, Kucerova, Zuzana, Ceccucci, Augusto, Bernhard, Johannes, Danielsson, Hans, Döbrich, Babette, Duval, Francois, Gatignon, Lau, Guida, Roberto, Hahn, Ferdinand, Holzer, Eva Barbara, Jenninger, Berthold, Laycock, Paul, Lehmann Miotto, Giovanna, Lichard, Peter, Mapelli, Alessandro, Noy, Matthew, Palladino, Vito, Perrin-Terrin, Mathieu, Ruggiero, Giuseppe, Ryjov, Vladimir, Schuchmann, Simone, Venditti, Stefano, Brunetti, Maria Brigida, Bache, Thomas, Goudzovski, Evgueni, Henshaw, Jack, Tomczak, Adam, Lazzeroni, Cristina, Fascianelli, Valeria, Lurkin, Nicolas, Newson, Francis, Parkinson, Christopher, Romano, Angela, Sergi, Antonino, Sturgess, Andrew, Swallow, Joel, Heath, Helen, Page, Ryan, Trilov, Stoyan, Angelucci, Bruno, Britton, David, Protopopescu, Dan, Graham, Connor, Jones, Roger William Lewis, Dainton, John Bourke, Fry, John Richard, Fulton, Liam, Hutchcroft, David, Carmignani, Joseph, Massri, Karim, Maurice, Emilie, Wrona, Bozydar, Conovaloff, Adam, Cooper, Peter, Coward, David, Rubin, Philip David, Hives, Zdenko, Akmete, Atakan Tugberk, Soldani, Mattia, Bandiera, Laura, Mazzolari, Andrea, Romagnoni, Marco, Sytov, Alexei, Panichi, Ilaria, Lo Chiatto, Prisco, D'Errico, Mariaelena, Giordano, Raffaele, Briano Olvera, Alejandro, Reyes Santos, Marco Antonio, Boboc, Petre, Kereibay, Dias, Gorshanov, Konstantin, Okhotnikov, Artem, Sadovskiy, Alexander, and Sanders, Jack
Subjects: Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: A sample of $1.3 \times 10^5 K^+ \to \pi^0 e^+ \nu \gamma$ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017-2018. Branching fraction measurements are obtained at percent relative precision in three restricted kinematic regions, improving on existing results by a factor larger than two. An asymmetry, possibly related to T-violation, is investigated with no evidence observed within the achieved precision. A sample of $1.3 \times 10^5$$K^+ \to \pi^0 e^+ \nu \gamma$ candidates with less than 1% background was collected by the NA62 experiment at the CERN SPS in 2017-2018. Branching fraction measurements are obtained at percent relative precision in three restricted kinematic regions, improving on existing results by a factor larger than two. An asymmetry, possibly related to T-violation, is investigated with no evidence observed within the achieved precision.
Published: 2023

3. Improved calorimetric particle identification in NA62 using machine learning techniques

Author: Cortina Gil, Eduardo, Minucci, Elisa, Padolski, Sergey, Petrov, Plamen, Velghe, Bob, Bryman, Douglas, Fu, Ji, Numao, Toshio, Petrov, Yevgeniy, Wong, Vincent Wai Sum, Yu, Mengda, Fedorko, Wojciech, Husek, Tomas, Kampf, Karol, Zamkovsky, Michal, Jerhot, Jan, Aliberti, Riccardo, Khoriauli, Gia, Kunze, Jonas, Lomidze, David, Marchevski, Radoslav, Peruzzo, Letizia, Vormstein, Mario, Wanke, Rainer, Cotta Ramusino, Angelo, Dalpiaz, Pietro, Fiorini, Massimiliano, Gamberini, Enrico, Gianoli, Alberto, Neri, Ilaria, Norton, Alan, Petrucci, Ferruccio, Wahl, Heinrich, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Latino, Giuseppe, Lenti, Massimo, Parenti, Andrea, Volpe, Roberta, Antonelli, Antonella, Gonnella, Francesco, Lamanna, Gianluca, Lanfranchi, Gaia, Tinti, Gemma, Martellotti, Silvia, Moulson, Matthew, Kozhuharov, Venelin, Litov, Leandar, Georgiev, Georgi, Raggi, Mauro, Spadaro, Tommaso, Ambrosino, Fabio, Fiorenza, Renato, Capussela, Tiziana, Corvino, Michele, Di Filippo, Domenico, Massarotti, Paolo, Mirra, Marco, Napolitano, Marco, Saracino, Giulio, Anzivino, Giuseppina, Imbergamo, Ermanno, Lollini, Riccardo, Santoni, Cristiano, Brizioli, Francesco, Barbanera, Mattia, Cenci, Patrizia, Checcucci, Bruno, Duk, Viacheslav, Lupi, Matteo, Pepe, Monica, Piccini, Mauro, Lubrano, Pasquale, Costantini, Flavio, Doble, Niels, Giorgi, Marcello, Giudici, Sergio, Lari, Enrico, Pinzino, Jacopo, Pontisso, Luca, Sozzi, Marco, Di Lella, Luigi, Mannelli, Italo, Cerri, Claudio, Fantechi, Riccardo, Pedreschi, Elena, Piandani, Roberto, Spinella, Franco, Biagioni, Andrea, D'Agostini, Giulio, Leonardi, Emanuele, Lonardo, Alessandro, Valente, Paolo, Vicini, Piero, Cretaro, Paolo, Turisini, Matteo, Frezza, Ottorino, Ammendola, Roberto, Bonaiuto, Vincenzo, De Simone, Nicola, Federici, Luca, Fucci, Adolfo, Salamon, Andrea, Sargeni, Fausto, Arcidiacono, Roberta, Biino, Cristina, Bloch-Devaux, Brigitte, Boretto, Marco, Filippi, Alessandra, Iacobuzio, Lorenza, Marchetto, Flavio, Menichetti, Ezio, Migliore, Ernesto, Soldi, Dario, Engelfried, Jürgen, Estrada-Tristan, Nora, Bragadireanu, Alexandru Mario, Ghinescu, Stefan Alexandru, Hutanu, Ovidiu Emanuel, Enik, Temur, Falaleev, Valeri, Kekelidze, Vladimir, Korotkova, Anna, Madigozhin, Dmitry, Misheva, Milena, Molokanova, Natalia, Movchan, Sergei, Polenkevich, Irina, Potrebenikov, Yuri, Shkarovskiy, Sergey, Zinchenko, Alexander, Baeva, Aigul, Baigarashev, Dosbol, Emelyanov, Dmitry, Fedotov, Sergei, Khotyantsev, Alexey, Gushchin, Evgeny, Kleimenova, Alina, Kudenko, Yury, Kurochka, Viktoriia, Medvedeva, Mariia, Mefodev, Aleksandr, Shaikhiev, Artur, Kholodenko, Sergey, Kurshetsov, Viktor, Obraztsov, Vladimir, Ostankov, Aleksandr, Semenov, Vitali, Sugonyaev, Valentin, Yushchenko, Oleg, Bician, Lubos, Blazek, Tomas, Cerny, Vladimir, Koval, Michal, Kucerova, Zuzana, Ceccucci, Augusto, Bernhard, Johannes, Danielsson, Hans, Döbrich, Babette, Duval, Francois, Gatignon, Lau, Guida, Roberto, Hahn, Ferdinand, Holzer, Eva Barbara, Jenninger, Berthold, Laycock, Paul, Lehmann Miotto, Giovanna, Lichard, Peter, Mapelli, Alessandro, Noy, Matthew, Palladino, Vito, Perrin-Terrin, Mathieu, Ruggiero, Giuseppe, Ryjov, Vladimir, Schuchmann, Simone, Venditti, Stefano, Brunetti, Maria Brigida, Bache, Thomas, Goudzovski, Evgueni, Henshaw, Jack, Tomczak, Adam, Lazzeroni, Cristina, Fascianelli, Valeria, Lurkin, Nicolas, Newson, Francis, Parkinson, Christopher, Romano, Angela, Sergi, Antonino, Sturgess, Andrew, Swallow, Joel, Heath, Helen, Page, Ryan, Trilov, Stoyan, Angelucci, Bruno, Britton, David, Protopopescu, Dan, Graham, Connor, Jones, Roger William Lewis, Dainton, John Bourke, Fry, John Richard, Fulton, Liam, Hutchcroft, David, Carmignani, Joseph, Massri, Karim, Maurice, Emilie, Wrona, Bozydar, Conovaloff, Adam, Cooper, Peter, Coward, David, Rubin, Philip David, Hives, Zdenko, Akmete, Atakan Tugberk, Soldani, Mattia, Bandiera, Laura, Mazzolari, Andrea, Romagnoni, Marco, Sytov, Alexei, Panichi, Ilaria, Lo Chiatto, Prisco, D'Errico, Mariaelena, Giordano, Raffaele, Briano Olvera, Alejandro, Reyes Santos, Marco Antonio, Boboc, Petre, Kereibay, Dias, Gorshanov, Konstantin, Okhotnikov, Artem, Sadovskiy, Alexander, and Sanders, Jack
Subjects: High Energy Physics - Experiment (hep-ex), Physics - Instrumentation and Detectors, FOS: Physical sciences, Instrumentation and Detectors (physics.ins-det), Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: Measurement of the ultra-rare $K^+\to\pi^+\nu\bar\nu$ decay at the NA62 experiment at CERN requires high-performance particle identification to distinguish muons from pions. Calorimetric identification currently in use, based on a boosted decision tree algorithm, achieves a muon misidentification probability of $1.2\times 10^{-5}$ for a pion identification efficiency of 75% in the momentum range of 15-40 GeV/$c$. In this work, calorimetric identification performance is improved by developing an algorithm based on a convolutional neural network classifier augmented by a filter. Muon misidentification probability is reduced by a factor of six with respect to the current value for a fixed pion-identification efficiency of 75%. Alternatively, pion identification efficiency is improved from 72% to 91% for a fixed muon misidentification probability of $10^{-5}$., Comment: Updated author list and Ref. 4
Published: 2023
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4. A search for the $K^+ \to \mu^- \nu e^+ e^+$ decay

Author: Cortina Gil, Eduardo, Minucci, Elisa, Padolski, Sergey, Petrov, Plamen, Velghe, Bob, Bryman, Douglas, Fu, Ji, Numao, Toshio, Petrov, Yevgeniy, Wong, Vincent Wai Sum, Husek, Tomas, Kampf, Karol, Zamkovsky, Michal, Jerhot, Jan, Aliberti, Riccardo, Khoriauli, Gia, Kunze, Jonas, Lomidze, David, Marchevski, Radoslav, Peruzzo, Letizia, Vormstein, Mario, Wanke, Rainer, Cotta Ramusino, Angelo, Dalpiaz, Pietro, Fiorini, Massimiliano, Gamberini, Enrico, Gianoli, Alberto, Neri, Ilaria, Norton, Alan, Petrucci, Ferruccio, Wahl, Heinrich, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Latino, Giuseppe, Lenti, Massimo, Parenti, Andrea, Volpe, Roberta, Antonelli, Antonella, Gonnella, Francesco, Lamanna, Gianluca, Lanfranchi, Gaia, Tinti, Gemma, Martellotti, Silvia, Moulson, Matthew, Kozhuharov, Venelin, Litov, Leandar, Georgiev, Georgi, Raggi, Mauro, Spadaro, Tommaso, Ambrosino, Fabio, Fiorenza, Renato, Capussela, Tiziana, Corvino, Michele, Di Filippo, Domenico, Massarotti, Paolo, Mirra, Marco, Napolitano, Marco, Saracino, Giulio, Anzivino, Giuseppina, Imbergamo, Ermanno, Lollini, Riccardo, Santoni, Cristiano, Brizioli, Francesco, Barbanera, Mattia, Cenci, Patrizia, Checcucci, Bruno, Duk, Viacheslav, Lupi, Matteo, Pepe, Monica, Piccini, Mauro, Lubrano, Pasquale, Costantini, Flavio, Doble, Niels, Giorgi, Marcello, Giudici, Sergio, Lari, Enrico, Pinzino, Jacopo, Pontisso, Luca, Sozzi, Marco, Di Lella, Luigi, Mannelli, Italo, Cerri, Claudio, Fantechi, Riccardo, Pedreschi, Elena, Piandani, Roberto, Spinella, Franco, Biagioni, Andrea, d'Agostini, Giulio, Leonardi, Emanuele, Lonardo, Alessandro, Valente, Paolo, Vicini, Piero, Cretaro, Paolo, Turisini, Matteo, Frezza, Ottorino, Ammendola, Roberto, Bonaiuto, Vincenzo, de Simone, Nicola, Federici, Luca, Fucci, Adolfo, Salamon, Andrea, Sargeni, Fausto, Arcidiacono, Roberta, Biino, Cristina, Bloch-Devaux, Brigitte, Boretto, Marco, Filippi, Alessandra, Iacobuzio, Lorenza, Marchetto, Flavio, Menichetti, Ezio, Migliore, Ernesto, Soldi, Dario, Engelfried, Jürgen, Estrada-Tristan, Nora, Bragadireanu, Alexandru Mario, Ghinescu, Stefan Alexandru, Hutanu, Ovidiu Emanuel, Enik, Temur, Falaleev, Valeri, Kekelidze, Vladimir, Korotkova, Anna, Madigozhin, Dmitry, Misheva, Milena, Molokanova, Natalia, Movchan, Sergei, Polenkevich, Irina, Potrebenikov, Yuri, Shkarovskiy, Sergey, Zinchenko, Alexander, Baeva, Aigul, Baigarashev, Dosbol, Emelyanov, Dmitry, Fedotov, Sergei, Khotyantsev, Alexey, Gushchin, Evgeny, Kleimenova, Alina, Kudenko, Yury, Kurochka, Viktoriia, Medvedeva, Mariia, Mefodev, Aleksandr, Shaikhiev, Artur, Kholodenko, Sergey, Kurshetsov, Viktor, Obraztsov, Vladimir, Ostankov, Aleksandr, Semenov, Vitali, Sugonyaev, Valentin, Yushchenko, Oleg, Bician, Lubos, Blazek, Tomas, Cerny, Vladimir, Koval, Michal, Kucerova, Zuzana, Ceccucci, Augusto, Bernhard, Johannes, Danielsson, Hans, Döbrich, Babette, Duval, Francois, Gatignon, Lau, Guida, Roberto, Hahn, Ferdinand, Holzer, Eva Barbara, Jenninger, Berthold, Laycock, Paul, Lehmann Miotto, Giovanna, Lichard, Peter, Mapelli, Alessandro, Noy, Matthew, Palladino, Vito, Perrin-Terrin, Mathieu, Ruggiero, Giuseppe, Ryjov, Vladimir, Schuchmann, Simone, Venditti, Stefano, Brunetti, Maria Brigida, Bache, Thomas, Goudzovski, Evgueni, Henshaw, Jack, Tomczak, Adam, Lazzeroni, Cristina, Fascianelli, Valeria, Lurkin, Nicolas, Newson, Francis, Parkinson, Christopher, Romano, Angela, Sergi, Antonino, Sturgess, Andrew, Swallow, Joel, Heath, Helen, Page, Ryan, Trilov, Stoyan, Angelucci, Bruno, Britton, David, Protopopescu, Dan, Graham, Connor, Jones, Roger William Lewis, Dainton, John Bourke, Fry, John Richard, Fulton, Liam, Hutchcroft, David, Carmignani, Joseph, Massri, Karim, Maurice, Emilie, Wrona, Bozydar, Conovaloff, Adam, Cooper, Peter, Coward, David, Rubin, Philip David, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), and NA62
Subjects: flavor, CERN Lab, lepton, conservation law, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], lepton number, branching ratio, NA62, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: A search for the $K^+\to\mu^-\nu e^+e^+$ decay, forbidden within the Standard Model by either lepton number or lepton flavour conservation depending on the flavour of the emitted neutrino, has been performed using the dataset collected by the NA62 experiment at CERN in 2016--2018. An upper limit of $8.1\times 10^{-11}$ is obtained for the decay branching fraction at 90% CL, improving by a factor of 250 over the previous search., Comment: Final version, accepted for publication in Physics Letters B
Published: 2022

5. A measurement of the $K^+ \to \pi^+ \mu^+ \mu^-$ decay

Author: Cortina Gil, Eduardo, Minucci, Elisa, Padolski, Sergey, Petrov, Plamen, Velghe, Bob, Bryman, Douglas, Fu, J., Numao, Toshio, Petrov, Yevgeniy, Wong, Vincent Wai Sum, Husek, Tomas, Kampf, Karol, Zamkovsky, Michal, Jerhot, Jan, Aliberti, Riccardo, Khoriauli, Gia, Kunze, Jonas, Lomidze, David, Potrebenikov, Yu., Marchevski, Radoslav, Peruzzo, Letizia, Vormstein, Mario, Wanke, Rainer, Cotta Ramusino, Angelo, Dalpiaz, Pietro, Fiorini, Massimiliano, Gamberini, Enrico, Gianoli, Alberto, Neri, Ilaria, Norton, Alan, Petrucci, Ferruccio, Wahl, Heinrich, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Latino, Giuseppe, Lenti, Massimo, Parenti, Andrea, Volpe, Roberta, Antonelli, Antonella, Gonnella, Francesco, Lamanna, Gianluca, Lanfranchi, Gaia, Tinti, Gemma, Martellotti, Silvia, Moulson, Matthew, Kozhuharov, Venelin, Litov, Leandar, Georgiev, Georgi, Raggi, Mauro, Spadaro, Tommaso, Ambrosino, Fabio, Fiorenza, Renato, Capussela, Tiziana, Corvino, Michele, Di Filippo, Domenico, Massarotti, Paolo, Mirra, Marco, Napolitano, Marco, Saracino, Giulio, Anzivino, Giuseppina, Imbergamo, Ermanno, Lollini, Riccardo, Santoni, Cristiano, Brizioli, Francesco, Barbanera, Mattia, Cenci, Patrizia, Checcucci, Bruno, Duk, Viacheslav, Lupi, Matteo, Pepe, Monica, Piccini, Mauro, Lubrano, Pasquale, Costantini, Flavio, Doble, Niels, Giorgi, Marcello, Giudici, Sergio, Lari, Enrico, Pinzino, Jacopo, Pontisso, Luca, Sozzi, Marco, Di Lella, Luigi, Mannelli, Italo, Cerri, Claudio, Fantechi, Riccardo, Pedreschi, Elena, Piandani, Roberto, Spinella, Franco, Biagioni, Andrea, d'Agostini, Giulio, Leonardi, Emanuele, Lonardo, Alessandro, Valente, Paolo, Vicini, Piero, Cretaro, Paolo, Turisini, Matteo, Frezza, Ottorino, Ammendola, Roberto, Bonaiuto, Vincenzo, de Simone, Nicola, Federici, Luca, Fucci, Adolfo, Salamon, Andrea, Sargeni, Fausto, Arcidiacono, Roberta, Biino, Cristina, Bloch-Devaux, Brigitte, Boretto, Marco, Filippi, Alessandra, Iacobuzio, Lorenza, Marchetto, Flavio, Menichetti, Ezio, Migliore, Ernesto, Soldi, Dario, Engelfried, Jürgen, Estrada-Tristan, Nora, Bragadireanu, Alexandru Mario, Ghinescu, Stefan Alexandru, Hutanu, Ovidiu Emanuel, Enik, Temur, Falaleev, Valeri, Kekelidze, Vladimir, Korotkova, Anna, Madigozhin, Dmitry, Misheva, Milena, Molokanova, Natalia, Movchan, Sergei, Polenkevich, Irina, Potrebenikov, Yuri, Shkarovskiy, Sergey, Zinchenko, Alexander, Baeva, Aigul, Baigarashev, Dosbol, Emelyanov, Dmitry, Fedotov, Sergei, Khotyantsev, Alexey, Gushchin, Evgeny, Kleimenova, Alina, Kudenko, Yury, Kurochka, Viktoriia, Medvedeva, Mariia, Mefodev, Aleksandr, Shaikhiev, Artur, Kholodenko, Sergey, Kurshetsov, Viktor, Obraztsov, Vladimir, Ostankov, Aleksandr, Semenov, Vitali, Sugonyaev, Valentin, Yushchenko, Oleg, Bician, Lubos, Blazek, Tomas, Cerny, Vladimir, Koval, Michal, Kucerova, Zuzana, Ceccucci, Augusto, Bernhard, Johannes, Danielsson, Hans, Döbrich, Babette, Duval, Francois, Gatignon, Lau, Guida, Roberto, Hahn, Ferdinand, Holzer, Eva Barbara, Jenninger, Berthold, Laycock, Paul, Lehmann Miotto, Giovanna, Lichard, Peter, Mapelli, Alessandro, Noy, Matthew, Palladino, Vito, Perrin-Terrin, Mathieu, Ruggiero, Giuseppe, Ryjov, Vladimir, Schuchmann, Simone, Venditti, Stefano, Brunetti, Maria Brigida, Bache, Thomas, Goudzovski, Evgueni, Henshaw, Jack, Tomczak, Adam, Lazzeroni, Cristina, Fascianelli, Valeria, Lurkin, Nicolas, Newson, Francis, Parkinson, Christopher, Romano, Angela, Sergi, Antonino, Sturgess, Andrew, Swallow, Joel, Heath, Helen, Page, Ryan, Trilov, Stoyan, Angelucci, Bruno, Britton, David, Protopopescu, Dan, Graham, Connor, Jones, Roger William Lewis, Dainton, John Bourke, Fry, John Richard, Fulton, Liam, Hutchcroft, David, Carmignani, Joseph, Massri, Karim, Maurice, Emilie, Wrona, Bozydar, Conovaloff, Adam, Cooper, Peter, Coward, David, Rubin, Philip David, Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), and NA62
Subjects: Fixed Target Experiments, data analysis method, background, Flavour Changing Neutral Currents, perturbation theory: chiral, dimuon: mass spectrum, CERN SPS, pi+, mass dependence, NA62, High Energy Physics - Experiment, muon: pair production, K+: semileptonic decay, +pi%2B+muon%2B+muon%22">K+ --> pi+ muon+ muon, branching ratio: measured, Rare Decay, K+: branching ratio, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], decay: form factor, Branching fraction, K+: secondary beam, Particle Physics - Experiment, K: form factor, experimental results
Abstract: A sample of $2.8 \times 10^4$ $K^{+} \to \pi^{+} \mu^{+} \mu^{-}$ candidates with negligible background was collected by the NA62 experiment at the CERN SPS in 2017--2018. The model-independent branching fraction is measured to be $(9.15 \pm 0.08)\times 10^{-8}$, a factor three more precise than previous measurements. The decay form factor is presented as a function of the squared dimuon mass. A measurement of the form factor parameters and their uncertainties is performed using a description based on Chiral Perturbation Theory at $\mathcal{O}(p^6)$., Comment: 17 pages, 5 figures. Updated version (6 October 2022) accepted for publication in JHEP
Published: 2022

6. Search for lepton number and flavour violation in $K^+ $ and $\pi^0$ decays

Author: Cortina Gil, Eduardo, Minucci, Elisa, Padolski, Sergey, Petrov, Plamen, Potrebenikov, Yu., Velghe, Bob, Bryman, Douglas, Fu, Ji, Numao, Toshio, Petrov, Yevgeniy, Husek, Tomas, Kampf, Karol, Zamkovsky, Michal, Jerhot, Jan, Aliberti, Riccardo, Khoriauli, Gia, Kunze, Jonas, Lomidze, David, Marchevski, Radoslav, Peruzzo, Letizia, Vormstein, Mario, Wanke, Rainer, Cotta Ramusino, Angelo, Dalpiaz, Pietro, Fiorini, Massimiliano, Gamberini, Enrico, Gianoli, Alberto, Neri, Ilaria, Norton, Alan, Petrucci, Ferruccio, Wahl, Heinrich, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Latino, Giuseppe, Lenti, Massimo, Parenti, Andrea, Volpe, Roberta, Antonelli, Antonella, Gonnella, Francesco, Lamanna, Gianluca, Lanfranchi, Gaia, Martellotti, Silvia, Moulson, Matthew, Kozhuharov, Venelin, Litov, Leandar, Georgiev, Georgi, Raggi, Mauro, Spadaro, Tommaso, Ambrosino, Fabio, Capussela, Tiziana, Corvino, Michele, Di Filippo, Domenico, Massarotti, Paolo, Mirra, Marco, Napolitano, Marco, Saracino, Giulio, Anzivino, Giuseppina, Imbergamo, Ermanno, Lollini, Riccardo, Santoni, Cristiano, Brizioli, Francesco, Barbanera, Mattia, Cenci, Patrizia, Checcucci, Bruno, Duk, Viacheslav, Lupi, Matteo, Pepe, Monica, Piccini, Mauro, Lubrano, Pasquale, Costantini, Flavio, Doble, Niels, Giorgi, Marcello, Giudici, Sergio, Lari, Enrico, Pinzino, Jacopo, Pontisso, Luca, Sozzi, Marco, Di Lella, Luigi, Mannelli, Italo, Cerri, Claudio, Fantechi, Riccardo, Pedreschi, Elena, Piandani, Roberto, Spinella, Franco, Biagioni, Andrea, D'Agostini, Giulio, Leonardi, Emanuele, Lonardo, Alessandro, Valente, Paolo, Vicini, Piero, Ammendola, Roberto, Bonaiuto, Vincenzo, De Simone, Nicola, Federici, Luca, Fucci, Adolfo, Salamon, Andrea, Sargeni, Fausto, Arcidiacono, Roberta, Biino, Cristina, Bloch-Devaux, Brigitte, Boretto, Marco, Filippi, Alessandra, Iacobuzio, Lorenza, Marchetto, Flavio, Menichetti, Ezio, Migliore, Ernesto, Soldi, Dario, Engelfried, Jürgen, Estrada-Tristan, Nora, Bragadireanu, Alexandru Mario, Ghinescu, Stefan Alexandru, Hutanu, Ovidiu Emanuel, Enik, Temur, Falaleev, Valeri, Kekelidze, Vladimir, Korotkova, Anna, Madigozhin, Dmitry, Misheva, Milena, Molokanova, Natalia, Movchan, Sergei, Polenkevich, Irina, Potrebenikov, Yuri, Shkarovskiy, Sergey, Zinchenko, Alexander, Baeva, Aigul, Baigarashev, Dosbol, Emelyanov, Dmitry, Fedotov, Sergei, Khotyantsev, Alexey, Gushchin, Evgeny, Kleimenova, Alina, Kudenko, Yury, Kurochka, Viktoriia, Medvedeva, Mariia, Mefodev, Aleksandr, Shaikhiev, Artur, Kholodenko, Sergey, Kurshetsov, Viktor, Obraztsov, Vladimir, Ostankov, Aleksandr, Semenov, Vitali, Sugonyaev, Valentin, Yushchenko, Oleg, Bician, Lubos, Blazek, Tomas, Cerny, Vladimir, Koval, Michal, Kucerova, Zuzana, Ceccucci, Augusto, Bernhard, Johannes, Danielsson, Hans, Döbrich, Babette, Duval, Francois, Gatignon, Lau, Guida, Roberto, Hahn, Ferdinand, Holzer, Eva Barbara, Jenninger, Berthold, Laycock, Paul, Lehmann Miotto, Giovanna, Lichard, Peter, Mapelli, Alessandro, Noy, Matthew, Palladino, Vito, Perrin-Terrin, Mathieu, Ruggiero, Giuseppe, Ryjov, Vladimir, Schuchmann, Simone, Venditti, Stefano, Brunetti, Maria Brigida, Bache, Thomas, Goudzovski, Evgueni, Henshaw, Jack, Lazzeroni, Cristina, Fascianelli, Valeria, Lurkin, Nicolas, Newson, Francis, Parkinson, Christopher, Romano, Angela, Sergi, Antonino, Sturgess, Andrew, Swallow, Joel, Heath, Helen, Page, Ryan, Trilov, Stoyan, Angelucci, Bruno, Britton, David, Protopopescu, Dan, Graham, Connor, Jones, Roger William Lewis, Dainton, John Bourke, Fry, John Richard, Fulton, Liam, Hutchcroft, David, Carmignani, Joseph, Massri, Karim, Maurice, Emilie, Wrona, Bozydar, Conovaloff, Adam, Cooper, Peter, Coward, David, and Rubin, Philip David
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: Searches for the lepton number violating $K^{+} \rightarrow \pi^{-} \mu^{+} e^{+}$ decay and the lepton flavour violating $K^{+} \rightarrow \pi^{+} \mu^{-} e^{+}$ and $\pi^{0} \rightarrow \mu^{-} e^{+}$ decays are reported using data collected by the NA62 experiment at CERN in $2017$-$2018$. No evidence for these decays is found and upper limits of the branching ratios are obtained at 90% confidence level: $\mathcal{B}(K^{+}\rightarrow\pi^{-}\mu^{+}e^{+}), Comment: 8 pages, 4 figures
Published: 2021

7. An investigation of the very rare $K^+\rightarrow\pi^+\nu\bar{\nu}$ decay

Author: Cortina Gil, Eduardo, Minucci, Elisa, Padolski, Sergey, Petrov, Plamen, Velghe, Bob, Bryman, Douglas, Fu, Ji, Numao, Toshio, Husek, Tomas, Kampf, Karol, Zamkovsky, Michal, Jerhot, Jan, Aliberti, Riccardo, Khoriauli, Gia, Kunze, Jonas, Lomidze, David, Marchevski, Radoslav, Peruzzo, Letizia, Vormstein, Mario, Wanke, Rainer, Cotta Ramusino, Angelo, Dalpiaz, Pietro, Fiorini, Massimiliano, Gamberini, Enrico, Gianoli, Alberto, Neri, Ilaria, Norton, Alan, Petrucci, Ferruccio, Wahl, Heinrich, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Latino, Giuseppe, Lenti, Massimo, Parenti, Andrea, Volpe, Roberta, Antonelli, Antonella, Gonnella, Francesco, Lamanna, Gianluca, Lanfranchi, Gaia, Martellotti, Silvia, Moulson, Matthew, Kozhuharov, Venelin, Litov, Leandar, Georgiev, Georgi, Raggi, Mauro, Spadaro, Tommaso, Ambrosino, Fabio, Capussela, Tiziana, Corvino, Michele, Di Filippo, Domenico, Massarotti, Paolo, Mirra, Marco, Napolitano, Marco, Saracino, Giulio, Anzivino, Giuseppina, Imbergamo, Ermanno, Lollini, Riccardo, Santoni, Cristiano, Brizioli, Francesco, Barbanera, Mattia, Cenci, Patrizia, Checcucci, Bruno, Duk, Viacheslav, Lupi, Matteo, Pepe, Monica, Piccini, Mauro, Lubrano, Pasquale, Costantini, Flavio, Doble, Niels, Giorgi, Marcello, Giudici, Sergio, Lari, Enrico, Pinzino, Jacopo, Pontisso, Luca, Sozzi, Marco, Di Lella, Luigi, Mannelli, Italo, Cerri, Claudio, Fantechi, Riccardo, Pedreschi, Elena, Piandani, Roberto, Spinella, Franco, Biagioni, Andrea, D'Agostini, Giulio, Leonardi, Emanuele, Lonardo, Alessandro, Valente, Paolo, Vicini, Piero, Ammendola, Roberto, Bonaiuto, Vincenzo, De Simone, Nicola, Federici, Luca, Fucci, Adolfo, Salamon, Andrea, Sargeni, Fausto, Arcidiacono, Roberta, Biino, Cristina, Bloch-Devaux, Brigitte, Boretto, Marco, Filippi, Alessandra, Iacobuzio, Lorenza, Marchetto, Flavio, Menichetti, Ezio, Migliore, Ernesto, Soldi, Dario, Engelfried, Jürgen, Estrada-Tristan, Nora, Bragadireanu, Alexandru Mario, Ghinescu, Stefan Alexandru, Hutanu, Ovidiu Emanuel, Enik, Temur, Falaleev, Valeri, Kekelidze, Vladimir, Korotkova, Anna, Madigozhin, Dmitry, Misheva, Milena, Molokanova, Natalia, Movchan, Sergei, Polenkevich, Irina, Potrebenikov, Yuri, Shkarovskiy, Sergey, Zinchenko, Alexander, Baeva, Aigul, Baigarashev, Dosbol, Emelyanov, Dmitry, Fedotov, Sergei, Khotyantsev, Alexey, Gushchin, Evgeny, Kleimenova, Alina, Kudenko, Yury, Kurochka, Viktoriia, Medvedeva, Mariia, Mefodev, Aleksandr, Shaikhiev, Artur, Kholodenko, Sergey, Kurshetsov, Viktor, Obraztsov, Vladimir, Ostankov, Aleksandr, Semenov, Vitali, Sugonyaev, Valentin, Yushchenko, Oleg, Bician, Lubos, Blazek, Tomas, Cerny, Vladimir, Koval, Michal, Kucerova, Zuzana, Ceccucci, Augusto, Bernhard, Johannes, Danielsson, Hans, Döbrich, Babette, Duval, Francois, Gatignon, Lau, Guida, Roberto, Hahn, Ferdinand, Holzer, Eva Barbara, Jenninger, Berthold, Laycock, Paul, Lehmann Miotto, Giovanna, Lichard, Peter, Mapelli, Alessandro, Noy, Matthew, Palladino, Vito, Perrin-Terrin, Mathieu, Ruggiero, Giuseppe, Ryjov, Vladimir, Schuchmann, Simone, Venditti, Stefano, Brunetti, Maria Brigida, Bache, Thomas, Goudzovski, Evgueni, Lazzeroni, Cristina, Fascianelli, Valeria, Lurkin, Nicolas, Newson, Francis, Parkinson, Christopher, Romano, Angela, Sergi, Antonino, Sturgess, Andrew, Swallow, Joel, Heath, Helen, Page, Ryan, Trilov, Stoyan, Angelucci, Bruno, Britton, David, Protopopescu, Dan, Graham, Connor, Jones, Roger William Lewis, Dainton, John Bourke, Fry, John Richard, Fulton, Liam, Hutchcroft, David, Carmignani, Joseph, Massri, Karim, Maurice, Emilie, Wrona, Bozydar, Conovaloff, Adam, Cooper, Peter, Coward, David, and Rubin, Philip David
Subjects: hep-ex, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract: A search for heavy neutral lepton (N) production in $K^+\rightarrow\pi^+\nu\bar{\nu}$ decays using the data sample collected by the NA62 experiment at CERN in 2017–2018 is reported. Upper limits of the extended neutrino mixing matrix element $|U_{e4}|^2$ are established at the level of $10^{−9}$ over most of the accessible heavy neutral lepton mass range 144–462 MeV/$c^2$, with the assumption that the lifetime exceeds 50 ns. These limits improve significantly upon those of previous production and decay searches. The $|U_{e4}|^2$ range favoured by Big Bang Nucleosynthesis is excluded up to a mass of about 340 MeV/$c^2$. The NA62 experiment reports an investigation of the $ {K}^{+}\to {\pi}^{+}\nu \overline{\nu} $ mode from a sample of K$^{+}$ decays collected in 2017 at the CERN SPS. The experiment has achieved a single event sensitivity of (0.389 ± 0.024) × 10$^{−10}$, corresponding to 2.2 events assuming the Standard Model branching ratio of (8.4 ± 1.0) × 10$^{−11}$. Two signal candidates are observed with an expected background of 1.5 events. Combined with the result of a similar analysis conducted by NA62 on a smaller data set recorded in 2016, the collaboration now reports an upper limit of 1.78 × 10$^{−10}$ for the $ {K}^{+}\to {\pi}^{+}\nu \overline{\nu} $ branching ratio at 90% CL. This, together with the corresponding 68% CL measurement of ($ {0.48}_{-0.48}^{+0.72} $) × 10$^{−10}$, are currently the most precise results worldwide, and are able to constrain some New Physics models that predict large enhancements still allowed by previous measurements. The NA62 experiment reports an investigation of the $K^+\rightarrow\pi^+\nu\bar{\nu}$ mode from a sample of $K^+$ decays collected in 2017 at the CERN SPS. The experiment has achieved a single event sensitivity of $(0.389\pm 0.024)\times10^{-10}$, corresponding to 2.2 events assuming the Standard Model branching ratio of $(8.4\pm1.0)\times10^{-11}$. Two signal candidates are observed with an expected background of 1.5 events. Combined with the result of a similar analysis conducted by NA62 on a smaller data set recorded in 2016, the collaboration now reports an upper limit of $1.78\times10^{-10}$ for the $K^+\rightarrow\pi^+\nu\bar{\nu}$ branching ratio at 90\%\,CL. This, together with the corresponding 68\%\,CL measurement of $(0.48^{+0.72 }_{-0.48})\times10^{-10}$, are currently the most precise results worldwide, and are able to constrain some New Physics models that predict large enhancements still allowed by previous measurements.
Published: 2020

8. Searches for lepton number violating $K^+$ decays

Author: Cortina Gil, Eduardo, Velghe, Bob, Bryman, Douglas, Husek, Tomas, Kampf, Karol, Marchevski, Radoslav, Wanke, Rainer, Cotta Ramusino, Angelo, Fiorini, Massimiliano, Gamberini, Enrico, Gianoli, Alberto, Neri, Igor, Petrucci, Ferruccio, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Latino, Giuseppe, Lenti, Massimo, Parenti, Andrea, Volpe, Roberta, Antonelli, Antonella, Gonnella, Francesco, Lamanna, Gianluca, Lanfranchi, Gaia, David Moulson, Matthew, Kozhuharov, Venelin, Raggi, Mauro, Spadaro, Tommaso, Ambrosino, Fabio, Corvino, Michele, Di Filippo, Domenico, Massarotti, Paolo, Mirra, Marco, Napolitano, Marco, Saracino, Giulio, Anzivino, Giuseppina, Lollini, Riccardo, Santoni, Cristiano, Barbanera, Mattia, Cenci, Patrizia, checcucci, bruno, Duk, Viacheslav, Lupi, Matteo, Pepe, Monica, Piccini, Mauro, lubrano, pasquale, Costantini, Flavio, GIORGI, MARCELLO., Giudici, Sergio, Pinzino, Jacopo, Pontisso, Luca, Sozzi, Marco, Di Lella, Luigi, mannelli, italo, Fantechi, Riccardo, Pedreschi, Elena, piandani, roberto, Spinella, Franco, Biagioni, Andrea, D'Agostini, Giulio, Leonardi, Emanuele, Lonardo, Alessandro, Valente, Paolo, Vicini, Piero, Ammendola, Roberto, Bonaiuto, Vincenzo, Federici, Luca, Salamon, Andrea, Sargeni, Fausto, Arcidiacono, Roberta, Biino, Cristina, Bloch-Devaux, Brigitte, Boretto, Marco, Filippi, Alessandra, Pietro Marchetto, Flavio, Menichetti, Ezio, Migliore, Ernesto, Soldi, Dario, Engelfried, Jurgen, Patricia Estrada Tristan, Nora, Zinchenko, Alexander, Gushchin, Evgeny, Shaikhiev, Artur, Bician, Lubos, Cerny, Vladimir, Koval, Michal, Kucerova, Zuzana, Ceccucci, Augusto, Bernhard, Johannes, DÃ¶brich, Babette, Gatignon, Lau, Laycock, Paul, Mapelli, Alessandro, Perrin-Terrin, Mathieu, Ruggiero, Giuseppe, Goudzovski, Evgueni, Lurkin, Nicolas, Sergi, Antonino, Heath, Helen, Britton, David, Protopopescu, Dan, Graham, Connor, Jones, Roger, Fry, John, Massri, Karim, Coward, David, and Rubin, Philip
Abstract: The NA62 experiment at CERN reports a search for the lepton number violating decays K+→π−e+e+ and K+→π−μ+μ+ using a data sample collected in 2017. No signals are observed, and upper limits on the branching fractions of these decays of 2.2×10−10 and 4.2×10−11 are obtained, respectively, at 90% confidence level. These upper limits improve on previously reported measurements by factors of 3 and 2, respectively.
Published: 2019

9. Search for heavy neutral lepton production in K+ decays

Author: Husek, Tomas, Kampf, Karol, Cotta Ramusino, Angelo, Fiorini, Massimiliano, Gamberini, Enrico, Gianoli, Alberto, Neri, Igor, Petrucci, Ferruccio, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Latino, Giuseppe, Lenti, Massimo, Volpe, Roberta, antonelli, antonella, Lamanna, Gianluca, Lanfranchi, Gaia, David Moulson, Matthew, Raggi, Mauro, Spadaro, Tommaso, Ambrosino, Fabio, Di Filippo, Domenico, Massarotti, Paolo, Mirra, Marco, Napolitano, Marco, Saracino, Giulio, Anzivino, Giuseppina, Santoni, Cristiano, Barbanera, Mattia, Cenci, Patrizia, Duk, Viacheslav, Lupi, Matteo, Pepe, Monica, Piccini, Mauro, lubrano, pasquale, Costantini, Flavio, GIORGI, MARCELLO., Giudici, Sergio, Pinzino, Jacopo, Pontisso, Luca, Sozzi, Marco, mannelli, italo, Fantechi, Riccardo, Spinella, Franco, Biagioni, Andrea, D'Agostini, Giulio, Leonardi, Emanuele, Lonardo, Alessandro, Valente, Paolo, Vicini, Piero, Ammendola, Roberto, Bonaiuto, Vincenzo, Federici, Luca, Salamon, Andrea, Sargeni, Fausto, Arcidiacono, Roberta, Biino, Cristina, Bloch-Devaux, Brigitte, Filippi, Alessandra, Pietro Marchetto, Flavio, Menichetti, Ezio, Migliore, Ernesto, Soldi, Dario, Zinchenko, Alexander, Gushchin, Evgeny, D'Albrich, Babette, Lurkin, Nicolas, Sergi, Antonino, Heath, Helen, Fry, John, Massri, Karim, NA62 Collaboration, Angelucci, Bruno, Britton, David, and Protopopescu, Dan
Subjects: Nuclear Experiment
Abstract: A search for heavy neutral lepton production in K + decays using a data sample collected with a minimum\ud bias trigger by the NA62 experiment at CERN in 2015 is reported. Upper limits at the 10−7 to 10−6 level\ud are established on the elements of the extended neutrino mixing matrix |Ue4|\ud 2 and |Uμ4|\ud 2 for heavy\ud neutral lepton mass in the ranges 170–448 MeV/c2 and 250–373 MeV/c2, respectively. This improves on\ud the previous limits from HNL production searches over the whole mass range considered for |Ue4|2 and\ud above 300 MeV/c2 for |Uμ4|2.
Published: 2018

10. Search for heavy neutrinos in $K^+ \rightarrow \mu^+ \nu_{\mu}$ decays

Author: Lazzeroni, Cristina, Lurkin, Nicolas, Newson, Francis, Romano, Angela, Ceccucci, Augusto, Danielsson, Hans, Falaleev, Valeri, Gatignon, Lau, Goy Lopez, Silvia, Hallgren, Bjorn, Maier, Andrew, Peters, Andreas Joachim, Piccini, Mauro, Riedler, Petra, Frabetti, Pierluigi, Gersabeck, Evelina Mihova, Kekelidze, Vladimir, Madigozhin, Dmitry, Misheva, Milena, Molokanova, Natalia, Movchan, Sergei, Potrebenikov, Yuri, Shkarovskiy, Sergey, Zinchenko, Alexander, Rubin, Philip David, Baldini, Wander, Cotta Ramusino, Angelo, Dalpiaz, Pietro, Fiorini, Massimiliano, Gianoli, Alberto, Norton, Alan, Petrucci, Ferruccio, Savrié, Mauro, Wahl, Heinrich, Bizzeti, Andrea, Bucci, Francesca, Veltri, Michele, Iacopini, Enrico, Lenti, Massimo, Antonelli, Antonella, Moulson, Matthew, Raggi, Mauro, Spadaro, Tommaso, Eppard, Kirsten, Hita-Hochgesand, Manuel, Kleinknecht, Konrad, Renk, Burkhard, Wanke, Rainer, Winhart, Andreas, Winston, Roland, Bolotov, Vladimir, Duk, Viacheslav, Gushchin, Evgeny, Ambrosino, Fabio, Di Filippo, Domenico, Massarotti, Paolo, Napolitano, Marco, Palladino, Vito, Saracino, Giulio, Anzivino, Giuseppina, Imbergamo, Ermanno, Piandani, Roberto, Sergi, Antonino, Cenci, Patrizia, Pepe, Monica, Costantini, Flavio, Doble, Niels, Giudici, Sergio, Pierazzini, Giuseppe, Sozzi, Marco, Venditti, Stefano, Balev, Spasimir, Collazuol, Gianmaria, Di Lella, Luigi, Gallorini, Stefano, Goudzovski, Evgueni, Lamanna, Gianluca, Mannelli, Italo, Ruggiero, Giuseppe, Cerri, Claudio, Fantechi, Riccardo, Kholodenko, Sergey, Kurshetsov, Viktor, Obraztsov, Vladimir, Semenov, Vitali, Yushchenko, Oleg, D'Agostini, Giulio, Leonardi, Emanuele, Serra, Marco, Valente, Paolo, Fucci, Adolfo, Salamon, Andrea, Bloch-Devaux, Brigitte, Peyaud, Bernard, Engelfried, Jürgen, Coward, David, Kozhuharov, Venelin, Litov, Leandar, Arcidiacono, Roberta, Bifani, Simone, Biino, Cristina, Dellacasa, Giulio, Marchetto, Flavio, Numao, Toshio, Retière, Fabrice, Institut de Recherches sur les lois Fondamentales de l'Univers (IRFU), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Université Paris-Saclay, NA62, Institut de Recherches sur les lois Fondamentales de l'Univers ( IRFU ), and Commissariat à l'énergie atomique et aux énergies alternatives ( CEA ) -Université Paris-Saclay
Subjects: new physics, hep-ex, neutrino: heavy: search for, K+: rare decay, High Energy Physics::Phenomenology, muon+: energy spectrum, mass: upper limit, NA62, High Energy Physics - Experiment, mass spectrum, [ PHYS.HEXP ] Physics [physics]/High Energy Physics - Experiment [hep-ex], +muon%2B+neutrino%2Fmu%22">K+ --> muon+ neutrino/mu, Heavy neutrinos, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Kaon decays, K+: leptonic decay, neutrino: mass, S077A01, neutrino: mixing, missing-mass, Particle Physics - Experiment, experimental results
Abstract: The NA62 experiment recorded a large sample of $K^+ \rightarrow \mu^+ \nu_{\mu}$ decays in 2007. A peak search has been performed in the reconstructed missing mass spectrum. In the absence of a signal, limits in the range $2 \times 10^{-6}$ to $10^{-5}$ have been set on the squared mixing matrix element $|U_{\mu4} |^2$ between muon and heavy neutrino states, for heavy neutrino masses in the range 300-375 MeV/$c^2$. The result extends the range of masses for which upper limits have been set on the value of $|U_{\mu4} |^2$ in previous production search experiments., Comment: 12 pages, 8 figures. Published in Physics Letters B
Published: 2017

11. Measurement of the π⁰ electromagnetic transition form factor slope

Author: Lazzeroni, The NA62 collaboration: C., Lurkin, N., Romano, A., Blazek, T., Koval, M., Ceccucci, A., Danielsson, H., Falaleev, V., Gatignon, L., Goy Lopez, S., Hallgren, B., Maier, A., Peters, A., Piccini, M., Riedler, P., Frabetti, P. L., Gersabeck, E., Kekelidze, V., Madigozhin, D., Misheva, M., Molokanova, N., Movchan, S., Potrebenikov, Y. u., Shkarovskiy, S., Zinchenko, A., Rubin, P., Baldini, W., Cotta Ramusino, A., Dalpiaz, P., Fiorini, M., Gianoli, A., Norton, A., Petrucci, F., Savrié, M., Wahl, H., Bizzeti, A., Bucci, F., Iacopini, E., Lenti, M., Veltri, M., Antonelli, A., Moulson, M., Raggi, M., Spadaro, T., Eppard, K., Hita Hochgesand, M., Kleinknecht, K., Renk, B., Wanke, R., Winhart, A., Winston, R., Bolotov, V., Duk, V., Gushchin, E., Ambrosino, F., Di Filippo, D., Massarotti, P., Napolitano, M., Palladino, V., Saracino, G., Anzivino, G., Imbergamo, E., Piandani, R., Sergi, A., Cenci, P., Pepe, M., Costantini, Flavio, Doble, N., Giudici, Sergio, Pierazzini, G., Sozzi, MARCO STANISLAO, Venditti, S., Balev, S., Collazuol, G., Dilella, L., Gallorini, S., Goudzovski, E., Lamanna, Gianluca, Mannelli, I., Ruggiero, G., Cerri, C., Fantechi, R., Kholodenko, S., Kurshetsov, V., Obraztsov, V., Semenov, V., Yushchenko, O., D'Agostini, G., Leonardi, E., Serra, M., Valente, P., Fucci, A., Salamon, A., Bloch Devaux, B., Peyaud, B., Engelfried, J., Coward, D., Kozhuharov, V., Litov, L., Arcidiacono, R., Bifani, S., Biino, C., Dellacasa, G., Marchetto, F., Numao, T., and Retière, F.
Subjects: High Energy Physics - Experiment, Charged Kaon decays, Form Factor Slope
Published: 2017

12. Direct Photon Production from Positive and Negative Pions and Protons at 200 GeV/c (NA3 Collaboration)

Author: Costantini, Flavio and Cox, Bradley, editor
Published: 1988
Full Text: View/download PDF

13. Prospects for K+→π+νν observation at CERN in NA62

Author: Khoriauli, G, Aglieri Rinella, G., Aliberti, R., Ambrosino, F., Angelucci, Bruno, Antonelli, A., Anzivino, G., Arcidiacono, R., Azhinenko, I., Balev, S., Bendotti, J., Biagioni, A., Biino, C., Bizzeti, A., Blazek, T., Blik, A., Bloch Devaux, B., Bolotov, V., Bonaiuto, V., Bragadireanu, M., Britton, D., Britvich, G., Bucci, F., Butin, F., Capitolo, E., Capoccia, C., Capussela, T., Carassiti, V., Cartiglia, N., Cassese, A., Catinaccio, A., Cecchetti, A., Ceccucci, A., Cenci, P., Cerny, V., Cerri, C., Checcucci, B., Chikilev, O., Ciaranfi, R., Collazuol, Gianmaria, Conovaloff, A., Cooke, P., Cooper, P., Corradi, G., Cortina Gil, E., Costantini, Flavio, Cotta Ramusino, A., Coward, D., D'Agostini, G., Dainton, J., Dalpiaz, P., Danielsson, H., Degrange, J., De Simone, N., Di Filippo, D., Di Lella, L., Dixon, N., Doble, N., Duk, V., Elsha, V., Engelfried, J., Enik, T., Falaleev, V., Fantechi, R., Fascianelli, V., Federici, L., Fiorini, M., Fry, J., Fucci, A., Fulton, L., Gallorini, Stefano, Gamberini, E., Gatignon, L., Georgiev, G., Gianoli, A., Giorgi, Marcello, Giudici, Sergio, Glonti, L., Goncalves Martins, A., Gonnella, F., Goudzovski, E., Guida, R., Gushchin, E., Hahn, F., Hallgren, B., Heath, H., Herman, F., Hutchcroft, D., Iacopini, E., Imbergamo, E., Jamet, O., Jarron, P., Kampf, K., Kaplon, J., Karjavin, V., Kekelidze, V., Kholodenko, S., Khoriauli, G., Khudyakov, A., Kiryushin, Yu, Kleinknecht, K., Kluge, A., Koval, M., Kozhuharov, V., Krivda, M., Kudenko, Y., Kunze, J., Lamanna, Gianluca, Lazzeroni, C., Lenci, R., Lenti, M., Leonardi, E., Lichard, P., Lietava, R., Litov, L., Lomidze, D., Lonardo, A., Lurkin, N., Madigozhin, D., Maire, G., Makarov, A., Mandeiro, C., Mannelli, I., Mannocchi, G., Mapelli, A., Marchetto, F., Marchevski, R., Martellotti, S., Massarotti, P., Massri, K., Matak, P., Maurice, E., Menichetti, E., Mila, G., Minucci, E., Mirra, M., Misheva, M., Molokanova, N., Morant, J., Morel, M., Moulson, M., Movchan, S., Munday, D., Napolitano, M., Neri, I., Newson, F., Norton, A., Noy, M., Nuessle, G., Obraztsov, V., Ostankov, A., Padolski, S., Page, R., Palladino, V., Pardons, A., Parkinson, C., Pedreschi, Elena, Pepe, M., Perez Gomez, F., Perrin Terrin, M., Peruzzo, L., Petrov, P., Petrucci, F., Piandani, R., Piccini, M., Pietreanu, D., Pinzino, Jacopo, Pivanti, M., Polenkevich, I., Popov, I., Potrebenikov, Yu, Protopopescu, D., Raffaelli, F., Raggi, M., Riedler, P., Romano, A., Rubin, P., Ruggiero, Giuseppe, Russo, V., Ryjov, V., Salamon, A., Salina, G., Samsonov, V., Santoni, C., Santovetti, E., Saracino, G., Sargeni, F., Schifano, S., Semenov, V., Sergi, A., Serra, M., Shkarovskiy, S., Soldi, D., Sotnikov, A., Sougonyaev, V., Sozzi, MARCO STANISLAO, Spadaro, T., Spinella, Franco, Staley, R., Statera, M., Sutcliffe, P., Szilasi, N., Tagnani, D., Valdata Nappi, M., Valente, P., Vasile, M., Vassilieva, T., Velghe, B., Veltri, M., Venditti, Stefano, Volpe, R., Vormstein, M., Wahl, H., Wanke, R., Wertelaers, P., Winhart, A., Winston, R., Wrona, B., Yushchenko, O., Zamkovsky, M., and Zinchenko, A.
Subjects: Nuclear and High Energy Physics, Standard Model, Flavour physics, rare kaon decays, NA62, Branching ratio, SPS, Kaon, NA62, Settore FIS/04 - Fisica Nucleare e Subnucleare, NO, Sensitivity, Rare decay, CERN, Flavour physics, New physics, rare kaon decays
Published: 2016

14. ChPT test at NA48 and NA62 experiment at CERN

Author: Piandani, Roberto, Ambrosino, F., Antonelli, A., Anzivino, G., Arcidiacono, R., Baldini, W., Balev, S., Batley, J. R., Behler, M., Bifani, S., Biino, C., Bizzeti, A., Bloch Devaux, B., Bocquet, G., Bolotov, V., Bucci, F., Cabibbo, N., Calvetti, M., Cartiglia, N., Ceccucci, A., Cenci, P., Cerri, C., Cheshkov, C., Chèze, J. B., Clemencic, M., Collazuol, Gianmaria, Costantini, Flavio, Cotta Ramusino, A., Coward, D., Cundy, D., Dabrowski, A., D'Agostini, G., Dalpiaz, P., Damiani, C., Danielsson, H., De Beer, M., Dellacasa, G., Derré, J., Dibon, H., Di Filippo, D., Dilella, L., Doble, N., Duk, V., Engelfried, J., Eppard, K., Falaleev, V., Fantechi, R., Fidecaro, M., Fiorini, L., Fiorini, M., Fonseca Martin, T., Frabetti, P. L., Fucci, A., Gallorini, Stefano, Gatignon, L., Gersabeck, E., Gianoli, A., Giudici, Sergio, Gonidec, A., Goudzovski, E., Goy Lopez, S., Gushchin, E., Hallgren, B., Hita Hochgesand, M., Holder, M., Hristov, P., Iacopini, E., Imbergamo, E., Jeitler, M., Kalmus, G., Kekelidze, V., Kleinknecht, K., Kozhuharov, V., Kubischta, W., Kurshetsov, V., Lamanna, Gianluca, Lazzeroni, C., Lenti, M., Leonardi, E., Litov, L., Madigozhin, D., Maier, A., Mannelli, I., Marchetto, F., Marel, G., Markytan, M., Marouelli, P., Martini, M., Masetti, L., Massarotti, P., Mazzucato, E., Michetti, A., Mikulec, I., Misheva, M., Molokanova, N., Monnier, E., Moosbrugger, U., Morales Morales, C., Moulson, M., Movchan, S., Munday, D. J., Napolitano, M., Nappi, A., Neuhofer, G., Norton, A., Numao, T., Obraztsov, V., Palladino, V., Patel, M., Pepe, M., Peters, A., Petrucci, F., Petrucci, M. C., Peyaud, B., Piccini, M., Pierazzini, Giuseppe, Polenkevich, I., Popov, I., Potrebenikov, Y. u., Raggi, M., Renk, B., Retière, F., Riedler, P., Romano, A., Rubin, P., Ruggiero, Giuseppe, Salamon, A., Saracino, G., Savrié, M., Scarpa, M., Semenov, V., Sergi, A., Serra, M., Shieh, M., Shkarovskiy, S., Slater, M. W., Sozzi, MARCO STANISLAO, Spadaro, T., Stoynev, S., Swallow, E., Szleper, M., Valdata Nappi, M., Valente, P., Vallage, B., Velasco, M., Veltri, M., Venditti, Stefano, Wache, M., Wahl, H., Walker, A., Wanke, R., Widhalm, L., Winhart, A., Winston, R., Wood, M. D., Wotton, S. A., Yushchenko, O., Zinchenko, A., Ziolkowski, M., Piandani, Roberto, Ambrosino, Fabio, Capussela, Tiziana, Massarotti, Paolo, Mirra, Marco, Saracino, Giulio, and Et, A. l.
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Large Hadron Collider, Chiral perturbation theory, kaon decays, Branching fraction, NA62 experiment, Pion, Minimum bias, Rate measurement, kaon decays, chiral perturbation theory, Invariant mass, chiral perturbation theory
Abstract: The new published measurements of the K ± → π ± γ γ decay with minimum bias data samples collected by the two experiments NA48/2 and NA62 are discussed. The results include a model independent decay rate measurement and fits to Chiral Perturbation Theory (ChPT) description. The model independent branching ratio in the kinematic range z = ( m γ γ / m K ) 2 > 0.2 , obtained by combining the NA48/2 and NA62 results, is B M I = ( 0.965 ± 0.63 ) × 10 − 6 . The combined branching ratio in the full kinematic range assuming a ChPT description is B C h P T = ( 1.003 ± 0.056 ) × 10 − 6 . The uncertainties are dominated by the statistical errors. The data support the ChPT prediction for a cusp in the di-photon invariant mass spectrum at the two pion threshold and are in agreement with both O ( p 4 ) and O ( p 6 ) ChPT predictions.
Published: 2015

15. Study of the K-+/- -> pi(+/-)gamma gamma decay by the NA62 experiment

Author: Lazzeroni, C, 1 Romano A, 1 Ceccucci A, 2 Danielsson H, 2 Falaleev V, 2 Gatignon L, 2 Lopez SG, 2 Hallgren B, 2 Maier A, 2 Peters A, 2 Piccini Mauro 2 Riedler P, 2 Frabetti PL, 3 Gersabeck E, 3 Kekelidze V, 3 Madigozhin D, 3 Misheva M, 3 Molokanova N, 3 Movchan S, 3 Potrebenikov Y, 3 Shkarovskiy S, 3 Zinchenko A, 3 Rubin P, 4 Baldini Wander 5, 6 CottaRamusino A, 5, 6 Dalpiaz Pietro 5, 6 Fiorini Massimiliano 5, 6 Gianoli Alberto 5, 6 Norton Alan Robert 5, 6 Petrucci Ferruccio 5, 6 Savrie' Mauro 5, 6 Wahl Heinrich 5, 6 Bizzeti Andrea 7, 30 Bucci Francesca, 7, 31 Iacopini Enrico, Lenti, Massimo, Veltri, Michele, 8 Moulson Matthew David 8 Raggi Mauro 8 Spadaro Tommaso 8 Eppard K, Antonelli Antonella, 9 Hita Hochgesand M, 9 Kleinknecht K, 9 Renk B, 9 Wanke R, 9 Winhart A, 9 Winston R, 10 Bolotov, V, 11 Duk, V, 11 Gushchin, E, 11 Ambrosino Fabio 12, 13 Di Filippo Domenico 12, 13 Massarotti Paolo 12, 13 Napolitano Marco 12, 13 Palladino Vittorio 12, 13 Saracino Giulio 12, 13 Anzivino Giuseppina 14, 15 Imbergamo Ermanno 14, 15 Piandani Roberto 14, 15 Sergi Antonino 14, 15 Cenci Patrizia 15 Pepe Monica 15 Costantini Flavio 16, 17 Doble, N, 17 Giudici Sergio 16, 17 Pierazzini Giuseppe 16, 17 Sozzi Marco 16, 17 Venditti Stefano 16, 17 Balev Spasimir 17, 18 Collazuol Gianmaria 17, 18 DiLella, L, 18 Gallorini Stefano 17, 18 Goudzovski, E, 18 Lamanna Gianluca 17, 18 Mannelli Italo 17, 18 Ruggiero Giuseppe 17, 18 Cerri Claudio 17 Fantechi Riccardo 17 Kholodenko, S, 19 Kurshetsov, V, 19 Obraztsov, V, 19 Semenov, V, 19 Yushchenko, O, 19 D'Agostini Giulio 20, 21 Leonardi Emanuele 21 Serra Marco 21 Valente Paolo 21 Fucci Adolfo 22 Salamon Andrea 22 Bloch Devaux B, 23 Peyaud, B, 23 Engelfried, J, 24 Coward, D, 25 Kozhuharov Venelin 26 Litov, L, 26 Arcidiacono Roberta 27, 28 Bifani Simone 27, 28 Biino Cristina 28 Dellacasa Giulio 28 Marchetto Flavio Pietro 28 Numao, T, and 29 Retiere, F
Published: 2014

16. A new measurement of the K-+/- -> pi(+/-)gamma gamma decay at the NA48/2 experiment

Author: Batley, Jr, 21 Kalmus G, 1, 1 Lazzeroni C, 1 Munday DJ, 1 Slater MW, 1 Wotton SA, 1 Arcidiacono R, 2 Bocquet G, 2 Cabibbo N, 2 Ceccucci A, 2 Cundy D, 2 Falaleev V, 2 Fidecaro M, 2 Gatignon L, 2 Gonidec A, 2 Kubischta W, 2 Norton A, 2 Maier A, 2 Patel M, 2 Peters A, 2 Balev S, 3 Frabetti PL, 3 Gersabeck E, 3 Goudzovski E, 3 Hristov P, 3 Kekelidze V, 3 Kozhuharov V, 3 Litov L, 3 Madigozhin D, 3 Molokanova N, 3 Polenkevich I, 3 Potrebenikov Y, 3 Stoynev S, 3 Zinchenko A, 3 Monnier E, 4 Swallow E, 4 Winston R, 4 Rubin P, 5 Walker A, 5 Baldini Wander 6, 7 Cotta Ramusino Angelo 6, 7 Dalpiaz Pietro 6, 7 Damiani Chiara 6, 7 Fiorini Massimiliano 6, 7 Gianoli Alberto 6, 7 Martini Mara 6, 7 Petrucci Ferruccio 6, 7 Savrie' Mauro 6, 7 Scarpa Marcella 6, 7 Wahl Heinrich 6, 7 Bizzeti Andrea, Lenti, Massimo, Veltri, Michele, Calvetti, Mario, Celeghini, Enrico, Iacopini, Enrico, Ruggiero Giuseppe 8, 9 Behler M, 10 Eppard, K, 10 Kleinknecht, K, 10 Marouelli, P, 10 Masetti, L, 10 Moosbrugger, U, 10 Morales CM, 10 Renk, B, 10 Wache, M, 10 Wanke, R, 10 Winhart, A, 10 Coward, D, 11 Dabrowski, A, 11 Martin TF, 11 Shieh, M, 11 Szleper, M, 11 Velasco, M, 11 Wood MD, 11 Cenci Patrizia 12 Pepe Monica 12 Petrucci Maria Carmela 12 Anzivino Giuseppina 12, 13 Imbergamo Ermanno 12, 13 Nappi Aniello 12, 13 Piccini Mauro 12, 13 Raggi Mauro 12, 13 Valdata Nappi, M, 13 Cerri Claudio 14 Fantechi Riccardo 14 Collazuol Gianmaria 14, 15 DiLella, L, 15 Lamanna Gianluca 14, 15 Mannelli Italo 14, 15 Michetti Andrea 14, 15 Costantini Flavio 14, 16 Doble, N, 16 Fiorini Luca 14, 16 Giudici Sergio 14, 16 Pierazzini Giuseppe 14, 16 Sozzi Marco 14, 16 Venditti Stefano 14, 16 Bloch Devaux, B, 17 Cheshkov, C, 17 Cheze JB, 17 De Beer, M, 17 Derre, J, 17 Marel, G, 17 Mazzucato, E, 17 Peyaud, B, 17 Vallage, B, 17 Holder, M, 18 Ziolkowski, M, 18 Biino Cristina 19 Cartiglia Nicolo' 19 Marchetto Flavio Pietro 19 Bifani Simone 19, 20 Clemencic Marco 19, 20 Goy Lopez Silvia 19, 20 Dibon, H, 21 Jeitler, M, 21 Markytan, M, 21 Mikulec, I, 21 Neuhofer, G, and 21 Widhalm, L.
Published: 2014

17. Study of the K ±→π ±γγ decay by the NA62 experiment

Author: Lazzeroni, C., Romano, A., Ceccucci, A., Danielsson, H., Falaleev, V., Gatignon, L., Goy Lopez, S., Hallgren, B., Maier, A., Peters, A., Piccini, M., Riedler, P., Frabetti, P. L., Gersabeck, E., Kekelidze, V., Madigozhin, D., Misheva, M., Molokanova, N., Movchan, S., Potrebenikov, Y. u., Shkarovskiy, S., Zinchenko, A., Rubin, P., Baldini, W., Cotta Ramusino, A., Dalpiaz, P., Fiorini, M., Gianoli, A., Norton, A., Petrucci, F., Savrié, M., Wahl, H., Bizzeti, A., Bucci, F., Iacopini, E., Lenti, M., Veltri, M., Antonelli, A., Moulson, M., Raggi, M., Spadaro, T., Eppard, K., Hita Hochgesand, M., Kleinknecht, K., Renk, B., Wanke, R., Winhart, A., Winston, R., Bolotov, V., Duk, V., Gushchin, E., Ambrosino, F., Di Filippo, D., Massarotti, P., Napolitano, M., Palladino, V., Saracino, G., Anzivino, G., Imbergamo, E., Piandani, R., Sergi, A., Cenci, P., Pepe, M., Costantini, Flavio, Doble, N., Giudici, Sergio, Pierazzini, Giuseppe, Sozzi, MARCO STANISLAO, Venditti, Stefano, Balev, S., Collazuol, Gianmaria, Dilella, L., Gallorini, Stefano, Goudzovski, E., Lamanna, Gianluca, Mannelli, I., Ruggiero, Giuseppe, Cerri, C., Fantechi, R., Kholodenko, S., Kurshetsov, V., Obraztsov, V., Semenov, V., Yushchenko, O., D'Agostini, G., Leonardi, E., Serra, M., Valente, P., Fucci, A., Salamon, A., Bloch Devaux, B., Peyaud, B., Engelfried, J., Coward, D., Kozhuharov, V., Litov, L., Arcidiacono, R., Bifani, S., Biino, C., Dellacasa, G., Marchetto, F., Numao, T., and Retière, F.
Subjects: RARE KAON DECAYS, Chiral Perturbation Theory, Nuclear and High Energy Physics
Published: 2014

18. Study of the K+- to pi+- gamma gamma decay by the NA62 experiment

Author: Lazzeroni, C., Romano, A., Ceccucci, A., Danielsson, H., Falaleev, V., Gatignon, L., Goy Lopez, S., Hallgren, B., Maier, A., Peters, A., Piccini, M., Riedler, P., Frabetti, P. L., Gersabeck, E., Kekelidze, V., Madigozhin, D., Misheva, M., Molokanova, N., Movchan, S., Potrebenikov, Y. u., Shkarovskiy, S., Zinchenko, A., Rubin, P., Baldini, W., Cotta Ramusino, A., Dalpiaz, P., Fiorini, M., Gianoli, A., Norton, A., Petrucci, F., Savrié, M., Wahl, H., Bizzeti, A., Bucci, F., Iacopini, E., Lenti, M., Veltri, M., Antonelli, A., Moulson, M., Raggi, M., Spadaro, T., Eppard, K., Hita Hochgesand, M., Kleinknecht, K., Renk, B., Wanke, R., Winhart, A., Winston, R., Bolotov, V., Duk, V., Gushchin, E., Ambrosino, F., Di Filippo, D., Massarotti, P., Napolitano, M., Palladino, V., Saracino, G., Anzivino, G., Imbergamo, E., Piandani, R., Sergi, A., Cenci, P., Pepe, M., Costantini, Flavio, Doble, N., Giudici, Sergio, Pierazzini, G., Sozzi, MARCO STANISLAO, Venditti, Stefano, Balev, S., Collazuol, G., Dilella, L., Gallorini, S., Goudzovski, E., Lamanna, Gianluca, Mannelli, I., Ruggiero, G., Cerri, C., Fantechi, R., Kholodenko, S., Kurshetsov, V., Obraztsov, V., Semenov, V., D'Agostini, O. Yushchenko G., Leonardi, E., Serra, M., Valente, P., Fucci, A., Salamon, A., Bloch Devaux, B., Peyaud, B., Engelfried, J., Coward, D., Kozhuharov, V., Litov, L., Arcidiacono, R., Bifani, S., Biino, C., Dellacasa, G., Marchetto, F., Numao, T., and Retière, F.
Published: 2014

19. Measurement of the branching ratio of the decay Csi0 to Sigma+ mu- antineutrino_mu

Author: Batley, J. R., Kalmus, G. E., Lazzeroni, C., Munday, D. J., Patel, M., Slater, M. W., Wotton, S. A., Arcidiacono, R., Bocquet, G., Ceccucci, A., Cundy, D., Doble, N., Falaleev, V., Gatignon, L., Gonidec, A., Grafstr?m, P., Kubischta, W., Marchetto, F., Mikulec, I., Norton, A., Panzer Steindel, B., Rubin, P., Wahl, H., Goudzovski, E., Hristov, P., Kekelidze, V., Kozhuharov, V., Litov, L., Madigozhin, D., Molokanova, N., Potrebenikov, Y. u., Stoynev, S., Zinchenko, A., Monnier, E., Swallow, E. C., Winston, R., Sacco, R., Walker, A., Baldini, W., Dalpiaz, P., Frabetti, P. L., Gianoli, A., Martini, M., Petrucci, F., Scarpa, M., Savri?, M., Bizzeti, A., Calvetti, M., Collazuol, G., Iacopini, E., Lenti, M., Ruggiero, G., Veltri, M., Behler, M., Eppard, K., Eppard, M., Hirstius, A., Kleinknecht, K., Koch, U., Masetti, L., Marouelli, P., Moosbrugger, U., Morales Morales, C., Peters, A., Wanke, R., Winhart, A., Dabrowski, A., Fonseca Martin, T., Velasco, M., Anzivino, G., Cenci, P., Imbergamo, E., Lamanna, Gianluca, Lubrano, P., Michetti, A., Nappi, A., Pepe, M., Petrucci, M. C., Piccini, M., Valdata, M., Cerri, C., Costantini, Flavio, Fantechi, R., Fiorini, L., Giudici, Sergio, Mannelli, I., Pierazzini, Giuseppe, Sozzi, MARCO STANISLAO, Cheshkov, C., Cheze, J. B., De Beer, M., Debu, P., Gouge, G., Marel, G., Mazzucato, E., Peyaud, B., Vallage, B., Holder, M., Maier, A., Ziolkowski, M., Bifani, S., Biino, C., Cartiglia, N., Clemencic, M., Goy Lopez, S., Menichetti, E., Pastrone, N., Wislicki, W., Dibon, H., Jeitler, M., Markytan, M., Neuhofer, G., and Widhalm, L.
Published: 2013

20. Test of lepton flavour universality in K⁺→ ℓ⁺ν decays

Author: Lazzeroni, C., Romano, A., Ceccucci, A., Danielsson, H., Falaleev, V., Gatignon, L., Goy, Lopezl S., Hallgren, B., Maier, A., Peters, A., Piccini, M., Riedler, P., Dyulendarova, M., Frabetti, P. L., Kekelidze, V., Madigozhin, D., Marinova, E., Molokanova, N., Movchan, S., Potrebenikov, Y. u., Shkarovskiy, S., Zinchenko, A., Rubin, P., Baldini, W., Cotta, Ramusino A., Dalpiaz, P., Fiorini, M., Gianoli, A., Norton, A., Petrucci, F., Savrie, M., Wahl, H., Bizzeti, A., Bucci, F., Iacopini, E., Lenti, M., Veltri, M., Eppard, K., Hita Hochgesand, M., Kleinknecht, K., Renk, B., Wanke, R., Winhart, A., Winston, R., Olotov, V., Duk, V., Gushchin, E., Ambrosino, F., Di Filippo, D., Massarotti, P., Napolitano, M., Palladino, V., Saracino, G., Anzivino, G., Imbergamo, E., Piandani, R., Sergi, A., Cenci, P., Pepe, M., Costantini, Flavio, Doble, N., Giudici, Sergio, Pierazzini, G., Sozzi, MARCO STANISLAO, Venditti, S., Balev, S., Collazuol, G., Dileila, L., Gallorini, S., Goudzovski, E., Lamanna, Gianluca, Marinelli, I., Ruggiero, G., Cerri, C., Fantechi, R., Kurshetsov, V., Obraztsov, V., Popov, I., Semenov, V., Yushchenko, O., D'Agostini, G., Leonardi, E., Serra, M., Valente, P., Fucci, A., Salamon, A., Bloch Devaux, B., Peyaud, B., Engelfried, J., Coward, D., Kozhuharov, V., Litov, L., Arcidiacono, R., Bifani, S., Biino, C., Dellacasa, G., Marchetto, F., Numao, T., and Retiere, F.
Subjects: Lepton universality, Leptonic kaon decay, Lepton universality, Leptonic kaon decay
Published: 2011

21. Test of lepton flavour universality in K+ -> l(+)nu decays

Author: Lazzeroni, C, Romano, A, Ceccucci, A, Danielsson, H, Falaleev, V, Gatignon, L, Lopezl, Sg, Hallgren, B, Maier, A, Peters, A, Piccini, M, Riedler, P, Dyulendarova, M, Frabetti, Pl, Kekelidze, V, Madigozhin, D, Marinova, E, Molokanova, N, Movchan, S, Potrebenikov, Y, Shkarovskiy, S, Zinchenko, A, Rubin, P, Baldini, Wander, Ramusino, Ac, Dalpiaz, Pietro, Fiorini, Massimiliano, Gianoli, Alberto, Norton Alan Robert, Petrucci, Fabrizio, Savrie, M, Wahl, Heinrich, Bizzeti, Andrea, Bucci, Francesca, Iacopini, Enrico, Lenti, Massimo, Veltri, Michele, Eppard, K, Hita Hochgesand, M, Kleinknecht, K, Renk, B, Wanke, R, Winhart, A, Winston, R, Olotov, V, Duk, V, Gushchin, E, Ambrosino, Fabio, Di Filippo Domenico, Massarotti, Paolo, Napolitano, Marco, Palladino, V, Saracino, Giulio, Anzivino, Giuseppina, Imbergamo, Ermanno, Piandani, Roberto, Sergi, Antonino, Cenci, Patrizia, Pepe, Monica, Costantini, Flavio, Doble, N, Giudici, Sergio, Pierazzini, Giuseppe, Sozzi, Marco, Venditti, Stefano, Balev, Spasimir, Collazuol, Gianmaria, Dileila, L, Gallorini, Stefano, Goudzovski, E, Lamanna, Gianluca, Marinelli, I, Ruggiero, Giuseppe, Cerri, Claudio, Fantechi, Riccardo, Kurshetsov, V, Obraztsov, V, Popov, I, Semenov, V, Yushchenko, O, D'Agostini, Giulio, Leonardi, Emanuele, Serra, Marco, Valente, Paolo, Fucci, Adolfo, Salamon, Andrea, Bloch Devaux, B, Peyaud, B, Engelfried, J, Coward, D, Kozhuharov, V, Litov, L, Arcidiacono, Roberta, Bifani, Simone, Biino, Cristina, Dellacasa, Giulio, Marchetto Flavio Pietro, Numao, T, and Retiere, F.
Published: 2011

22. Precise tests of low energy QCD from $K_{e4}$ decay properties

Author: Batley, Jr, Kalmus, G, Lazzeroni, C, Munday, Dj, Slater, Mw, Wotton, Sa, Arcidiacono, Roberta, Bocquet, G, Cabibbo, Nicola, Ceccucci, A, Cundy, D, Falaleev, V, Fidecaro, M, Gatignon, L, Gonidec, A, Kubischta, W, Norton Alan Robert, Maier, A, Patel, M, Peters, A, Balev, S, Frabetti, Pl, Goudzovski, E, Hristov, P, Kekelidze, V, Kozhuharov, V, Litov, L, Madigozhin, D, Marinova Evelina Mihova, Molokanova, N, Polenkevich, I, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Rubin, P, Walker, A, Baldini, Wander, Cotta Ramusino Angelo, Dalpiaz, Pietro, Damiani, Chiara, Fiorini, Massimiliano, Gianoli, Alberto, Martini, Marco, Petrucci, Fabrizio, Savrie', Mauro, Scarpa, Marcella, Wahl, Heinrich, Bizzeti, Andrea, Lenti, Massimo, Veltri, Michele, Calvetti, Mario, Celeghini, Enrico, Iacopini, Enrico, Ruggiero, Giuseppe, Behler, M, Eppard, K, Kleinknecht, K, Marouelli, P, Masetti, L, Moosbrugger, U, Morales, Cm, Renk, B, Wache, M, Wanke, R, Winhart, A, Coward, D, Dabrowski, A, Martin, Tf, Shieh, M, Szleper, M, Velasco, M, Wood, Md, Cenci, Patrizia, Pepe, Monica, Petrucci Maria Carmela, Anzivino, Giuseppina, Imbergamo, Ermanno, Nappi, Aniello, Piccini, Mauro, Raggi, Mauro, Valdata, Marisa, Cerri, Claudio, Fantechi, Riccardo, Collazuol, Gianmaria, Dilella, L, Lamanna, Gianluca, Mannelli, Italo, Michetti, Andrea, Costantini, Flavio, Doble, N, Fiorini, Luca, Giudici, Sergio, Pierazzini, Giuseppe, Sozzi, Marco, Venditti, Stefano, Bloch Devaux, B, Cheshkov, C, Cheze, Jb, De Beer, M, Derre, J, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Ziolkowski, M, Biino, Cristina, Cartiglia, Nicolo', Marchetto Flavio Pietro, Bifani, Simone, Clemencic, Marco, Goy Lopez Silvia, Dibon, H, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, and Widhalm, L.
Subjects: LENGTHS, MONTE-CARLO, KE4 DECAYS, PI-PI SCATTERING, FORM-FACTORS, ONE-LOOP, CONSTANTS, EQUATION, ISOSPIN BREAKING, PHASE-SHIFTS, Particle Physics - Experiment
Abstract: We report results from the analysis of the $K^{\pm} \rightarrow \pi^{+} \pi^{-} e^{\pm} \nu$ (Ke4) decay by the NA48/2 collaboration at the CERN SPS, based on the total statistics of 1.13 million decays collected in 2003-2004. The hadronic form factors in the S- and P-wave and their variation with energy are obtained. The phase difference between the S- and P-wave states of the $\pi \pi$ system is accurately measured and allows a precise determination of $a_{0}^{0}$ and $a_{0}^{2}$, the I=0 and I=2 S-wave $\pi \pi$ scattering lengths: $a_{0}^{0} = 0.2220 \pm 0.0128_{stat} \pm 0.0050_{syst} \pm 0.0037_{th}, a_{0}^{2}$ = $-0.0432 \pm 0.0086_{stat} \pm 0.0034_{syst} \pm 0.0028_{th}.$ Combination of this result with the other NA48/2 measurement obtained in the study of $K^{\pm} \rightarrow \pi^{0} \pi^{0} \pi^{\pm}$ decays brings an improved determination of $a_{0}^{0}$ and the first precise experimental measurement of $a_{0}^{2}$, providing a stringent test of Chiral Perturbation Theory predictions and lattice QCD calculations. Using constraints based on analyticity and chiral symmetry, even more precise values are obtained: $a_{0}^{0} = 0.2196 \pm 0.0028_{stat} \pm 0.0020_{syst}$ and $a_{0}^{2} = -0.0444 \pm 0.0007_{stat} \pm 0.0005_{syst} \pm 0.0008_{ChPT}$.
Published: 2010

23. ChPT tests at the NA48 and NA62 experiments at CERN

Author: MADIGOZHIN, Dmitry, primary, Ambrosino, F., additional, Antonelli, A., additional, ANZIVINO, Giuseppina, additional, Arcidiacono, Roberta, additional, BALDINI, Wander, additional, Balev, Spasimir, additional, Batley, J. Richard, additional, Behler, Matthias, additional, Bifani, Simone, additional, Biino, Cristina, additional, Bizzeti, Andrea, additional, BlochDevaux, Brigitte, additional, Bocquet, Ginette, additional, Bolotov, Vladimir, additional, Bucci, Francesca, additional, Cabibbo, Nicola, additional, Calvetti, Mario, additional, Cartiglia, Nicolo, additional, Ceccucci, Augusto, additional, CENCI, Patrizia, additional, Cerri, Claudio, additional, Cheshkov, Cvetan Valeriev, additional, Cheze, Jean-Baptiste, additional, Clemencic, Marco, additional, Collazuol, Gianmaria, additional, Costantini, Flavio, additional, Cotta Ramusino, Angelo, additional, Coward, David, additional, Cundy, Donald, additional, Dabrowski, Anne, additional, D'Agostini, Giulio, additional, Dalpiaz, Pietro, additional, Damiani, Chiara, additional, Danielsson, Hans, additional, De Beer, Michel, additional, Dellacasa, Giulio, additional, Derre, Jacques, additional, Dibon, Heinz, additional, Di Filippo, Domenico, additional, Di Lella, Luigi, additional, Doble, Niels, additional, Duk, Viacheslav, additional, Engelfried, Jurgen, additional, Eppard, Kirsten, additional, Falaleev, Valeri, additional, Fantechi, Riccardo, additional, Fidecaro, Maria, additional, FIORINI, Luca, additional, Fiorini, Massimiliano, additional, Fonseca-Martin, T., additional, Frabetti, Pierluigi, additional, Fucci, Adolfo, additional, Gallorini, Stefano, additional, Gatignon, Lau, additional, Gersabeck, Evelina Mihova, additional, Gianoli, Alberto, additional, Giudici, Sergio, additional, Gonidec, Allain, additional, Goudzovski, Evgueni, additional, Lopez, Silvia Goy, additional, Gushchin, Evgeny, additional, Hallgren, Bjorn, additional, Hita_Hochgesand, Manuel, additional, Holder, Martin, additional, Hristov, Peter Zahariev, additional, Iacopini, Enrico, additional, Imbergamo, Ermanno, additional, Jeitler, Manfred, additional, Kalmus, George, additional, Kekelidze, Vladimir, additional, Kleinknecht, Konrad, additional, Kozhuharov, Venelin, additional, Kubischta, Werner, additional, Kurshetsov, Victor, additional, Lamanna, Gianlica, additional, Lazzeroni, Cristina, additional, Lenti, Massimo, additional, Leonardi, Emanuele, additional, Litov, L., additional, Maier, Andrew, additional, Mannelli, Italo, additional, Marchetto, Flavio, additional, Marel, Gerard, additional, Markytan, Manfred, additional, Marouelli, Peter, additional, Martini, Mara, additional, Masetti, Lucia, additional, Massarotti, Paolo, additional, Mazzucato, Edoardo, additional, Michetti, Andrea, additional, Mikulec, Ivan, additional, MISHEVA, Milena, additional, Molokanova, Natalia, additional, Monnier, Emmanuel, additional, Moosbrugger, Ulrich, additional, Morales, Cristina, additional, Moulson, Matthew, additional, Movchan, Sergei, additional, Munday, David John, additional, Napolitano, M., additional, Nappi, Aniello, additional, Neuhofer, Gunther, additional, Norton, Alan, additional, Numao, Toshio, additional, Obraztsov, Vladimir, additional, Palladino, Vito, additional, PATEL, Mitesh, additional, Pepe, Monica, additional, Peters, Joachim Andreas, additional, Petrucci, Ferruccio, additional, Petrucci, Maria Carmela, additional, Peyaud, Bernard, additional, Piandani, Roberto, additional, Piccini, Mauro, additional, Pierazzini, Giuseppe, additional, Polenkevich, Irina, additional, Popov, Iakov, additional, Potrebenikov, Yuri, additional, Raggi, Mauro, additional, Renk, Burkhard, additional, RETIERE, Fabrice, additional, Riedler, Petra, additional, Romano, Angela, additional, Rubin, Philip David, additional, Ruggiero, Giuseppe, additional, Salamon, Andrea, additional, Saracino, G., additional, Savrie, Mauro, additional, Scarpa, Marcella, additional, Semenov, Vitali, additional, Sergi, Antonino, additional, Serra, Marco, additional, Shieh, M., additional, Shkarovskiy, Sergey, additional, Slater, Mark William, additional, Sozzi, Marco, additional, Spadaro, Tommaso, additional, Stoynev, Stoyan Emilov, additional, Swallow, Earl C., additional, Szleper, Michal, additional, Valdata-Nappi, Marisa, additional, Valente, Paolo, additional, Vallage, Bertrand, additional, Velasco, Mayda, additional, Veltri, Michele, additional, Venditti, Stefano, additional, Wache, Martin, additional, Wahl, Heinrich, additional, Walker, Alan, additional, Wanke, Rainer, additional, Widhalm, Laurenz, additional, Winhart, Andreas, additional, Winston, Roland, additional, Wood, Matthey Dunseth, additional, Wotton, S., additional, Yushchenko, Oleg, additional, Zinchenko, Andrey, additional, and Ziolkowski, Michael, additional
Published: 2015
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24. Empirical parameterization of the K±→π±π0π0 decay Dalitz plot

Author: Batley, J. R., Costantini, Flavio, Giudici, Sergio, Pierazzini, Giuseppe, and Sozzi, MARCO STANISLAO
Published: 2010

25. Measurement of the direct emission and interference terms and search for CP violation in the decay $\K^pm -> pi^pm pi^0 \gamma$

Author: Batley, Jr, Kalmus, G, Lazzeroni, C, Munday, Dj, Slater, Mw, Wotton, Sa, Arcidiacono, Roberta, Bocquet, G, Cabibbo, Nicola, Ceccucci, A, Cundy, D, Falaleev, V, Fidecaro, M, Gatignon, L, Gonidec, A, Kubischta, W, Norton Alan Robert, Maier, A, Patel, M, Peters, A, Balev, S, Frabetti, Pierluigi, Goudzovski, E, Hristov, P, Kekelidze, V, Kozhuharov, V, Litov, L, Madigozhin, D, Marinova Evelina Mihova, Molokanova, N, Polenkevich, I, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Rubin, P, Walker, A, Baldini, Wander, Cotta Ramusino Angelo, Dalpiaz, Pietro, Damiani, Chiara, Fiorini, Massimiliano, Gianoli, Alberto, Martini, Marco, Petrucci, Fabrizio, Savrie', Mauro, Scarpa, Marcella, Wahl, Heinrich, Bizzeti, Andrea, Lenti, Massimo, Veltri, Michele, Calvetti, Mario, Celeghini, Enrico, Iacopini, Enrico, Ruggiero, Giuseppe, Behler, M, Eppard, K, Kleinknecht, K, Marouelli, P, Masetti, L, Moosbrugger, U, Morales, Cm, Renk, B, Wache, M, Wanke, R, Winhart, A, Coward, D, Dabrowski, A, Martin, Tf, Shieh, M, Szleper, M, Velasco, M, Wood, Md, Cenci, Patrizia, Petrucci Maria Carmela, Pepe, Monica, Anzivino, Giuseppina, Imbergamo, Ermanno, Nappi, Aniello, Piccini, Mauro, Raggi, Mauro, Valdata, Marisa, Cerri, Claudio, Fantechi, Riccardo, Collazuol, Gianmaria, Dilella, L, Lamanna, Gianluca, Mannelli, Italo, Michetti, Andrea, Costantini, Flavio, Doble, N, Fiorini, Luca, Giudici, Sergio, Pierazzini, Giuseppe, Sozzi, Marco, Venditti, Stefano, Bloch Devaux, B, Cheshkov, C, Cheze, Jb, De Beer, M, Derre, J, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Ziolkowski, M, Bifani, Simone, Biino, Cristina, Cartiglia, Nicolo', Clemencic, Marco, Goy Lopez Silvia, Marchetto Flavio Pietro, Dibon, H, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, and Widhalm, L.
Published: 2010

26. Measurement of the polarization of the Xi(0) ((Xi(0))over-bar) hyperon beam by the NA48/1 experiment

Author: Batley, Jr, Kalmus, Ge, Lazzeroni, C, Munday, Dj, Patel, M, Slater, Mw, Wotton, Sa, Arcidiacono, R, Bocquet, G, Ceccucci, A, Cundy, D, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Grafstrom, P, Kubischta, W, Mikulec, I, Norton, A, Panzer Steindel, B, Rubin, P, Wahl, H, Goudzovski, E, Hristov, R, Kekelidze, V, Litov, L, Madigozhin, D, Molokanova, N, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Sacco, R, Walker, A, Baldini, W, Gianoli, A, Dalpiaz, P, Frabetti, Pl, Martini, M, Petrucci, F, Savrie, M, Scarpa, M, Calvetti, M, Collazuol, G, Iacopini, E, Ruggiero, G, Bizzeti, A, Lenti, M, Veltri, M, Behler, M, Eppard, K, Eppard, M, Hirstius, A, Kleinknecht, K, Koch, U, Marouelli, P, Masetti, L, Moosbrugger, U, Morales, Cm, Peters, A, Wanke, R, Winhart, A, Dabrowski, A, Martin, Tf, Velasco, M, Cenci, P, Lubrano, P, Pepe, M, Anzivino, G, Imbergamo, E, Lamanna, Gianluca, Michetti, A, Nappi, A, Petrucci, Mc, Piccini, M, Valdata, M, Cerri, C, Fantechi, R, Costantini, Flavio, Fiorini, L, Giudici, Sergio, Pierazzini, G, Sozzi, MARCO STANISLAO, Mannelli, I, Cheshkov, C, Cheze, Jb, De Beer, M, Debu, P, Gouge, G, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Biino, C, Cartiglia, N, Marchetto, F, Pastrone, N, Clemencic, M, Lopez, Sg, Menichetti, E, Wislicki, W, Dibon, H, Jeitler, M, Markytan, M, Neuhofer, G, and Widhalm, L.
Subjects: INCLUSIVE HADRON-PRODUCTION, CP VIOLATION, LAMBDA
Published: 2009

27. Precise measurement of the K±->π±e+e− decay

Author: Batley, Jr, Culling, Aj, Kalmus, G, Lazzeroni, C, Munday, Dj, Slater, Mw, Wotton, Sa, Arcidiacono, Roberta, Bocquet, G, Cabibbo, Nicola, Ceccucci, A, Cundy, D, Falaleev, V, Fidecaro, M, Gatignon, L, Gonidec, A, Kubischta, W, Norton Alan Robert, Maier, A, Patel, M, Peters, A, Balev, S, Frabetti, Pierluigi, Goudzovski, E, Hristov, P, Kekelidze, V, Kozhuharov, V, Litov, L, Madigozhin, D, Marinova, E, Molokanova, N, Polenkevich, I, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Rubin, P, Walker, A, Baldini, Wander, Cotta Ramusino Angelo, Dalpiaz, Pietro, Damiani, Chiara, Fiorini, Massimiliano, Gianoli, Alberto, Martini, Marco, Petrucci, Fabrizio, Savrie', Mauro, Scarpa, Marcella, Wahl, Heinrich, Bizzetti, A, Calvetti, Mario, Celeghini, Enrico, Iacopini, Enrico, Lenti, Massimo, Martelli, Filippo, Ruggiero, Giuseppe, Veltri, Michele, Behler, M, Eppard, K, Kleinknecht, K, Marouelli, P, Masetti, L, Moosbrugger, U, Morales, Cm, Renk, B, Wache, M, Wanke, R, Winhart, A, Coward, D, Dabrowski, A, Martin, Tf, Shieh, M, Szleper, M, Velasco, M, Wood, Md, Anzivino, Giuseppina, Cenci, Patrizia, Imbergamo, Ermanno, Nappi, Aniello, Pepe, Monica, Petrucci Maria Carmela, Piccini, Mauro, Raggi, Mauro, Valdata, Marisa, Cerri, Claudio, Fantechi, Riccardo, Collazuol, Gianmaria, Dilella, L, Lamanna, Gianluca, Mannelli, Italo, Michetti, Andrea, Costantini, Flavio, Doble, N, Fiorini, Luca, Giudici, Sergio, Pierazzini, Giuseppe, Sozzi, Marco, Venditti, Stefano, Bloch Devaux, B, Cheshkov, C, Cheze, Jb, De Beer, M, Derre, J, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Ziolkowski, M, Bifani, Simone, Biino, Cristina, Cartiglia, Nicolo', Clemencic, Marco, Goy Lopez Silvia, Marchetto Flavio Pietro, Dibon, H, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, and Widhalm, L.
Published: 2009

28. The Photon Veto System for the NA62 Rare Kaon Decay Experiment

Author: Costantini, Flavio
Published: 2009

29. Measurement of the polarization of the Xi0 (Xi0-bar) hyperon beam by the NA48/1 experiment

Author: Batley, J. R., Costantini, Flavio, Giudici, Sergio, Pierazzini, Giuseppe, and Sozzi, Marco
Published: 2009

30. First observation and measurement of the decay K± -> π±e+e-γ

Author: Batley, Jr, Culling, Aj, Kalmus, G, Lazzeroni, C, Munday, Dj, Slater, Mw, Wotton, Sa, Arcidiacono, Roberta, Bocquet, G, Cabibbo, Nicola, Ceccucci, A, Cundy, D, Falaleev, V, Fidecaro, M, Gatignon, L, Gonidec, A, Kubischta, W, Norton Alan Robert, Maier, A, Patel, M, Peters, A, Balev, S, Frabetti, Pierluigi, Goudzovski, E, Hristov, P, Kekelidze, V, Kozhuharov, V, Litov, L, Madigozhin, D, Marinova, E, Molokanova, N, Polenkevich, I, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Rubin, P, Walker, A, Baldini, Wander, Cotta Ramusino Angelo, Dalpiaz, Pietro, Darniani, C, Fiorini, Massimiliano, Gianoli, Alberto, Martini, Marco, Petrucci, Fabrizio, Savrie', Mauro, Scarpa, Marcella, Wahl, Heinrich, Bizzeti, Andrea, Calvetti, Mario, Celeghini, Enrico, Lacopini, E, Lenti, Massimo, Martelli, Filippo, Ruggiero, Giuseppe, Veltri, Michele, Behler, M, Eppard, K, Handel, C, Kleinknecht, K, Marouelli, P, Masetti, L, Moosbrugger, U, Morales, Cm, Renk, B, Wache, M, Wanke, R, Winhart, A, Coward, D, Dabrowski, A, Martin, Tf, Shieh, M, Szleper, M, Velasco, M, Wood, Md, Anzivino, Giuseppina, Cenci, Patrizia, Imbergarno, E, Nappi, Aniello, Pepe, Monica, Petrucci Maria Carmela, Piccini, Mauro, Raggi, Mauro, Valdata, Marisa, Cerri, Claudio, Collazuol, Gianmaria, Costantini, Flavio, Dilella, L, Doble, N, Fantechi, Riccardo, Fiorini, Luca, Giudici, Sergio, Lamanna, Gianluca, Mannelli, Italo, Michetti, Andrea, Pierazzini, Giuseppe, Sozzi, Marco, Bloch Devaux, B, Cheshkov, C, Cheze, Jb, De Beer, M, Derre, J, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Ziolkowski, M, Bifani, Simone, Biino, Cristina, Cartiglia, Nicolo', Clernencic, A, Goy Lopez Silvia, Marchetto Flavio Pietro, Dibon, H, Jeitler, A, Markytan, A, Mikulec, I, Neuhofer, G, and Widhalm, L.
Published: 2008

31. First observation and measurement of the decay $K^{\pm} \to\pi^{\pm}e^{+}e^{-}\gamma$

Author: Batley, J.R., Culling, A.J., Kalmus, George E., Lazzeroni, Cristina, Munday, D.J., Slater, M.W., Wotton, S.A., Arcidiacono, Roberta, Bocquet, G., Cabibbo, N., Ceccucci, Augusto, Cundy, D., Falaleev, V., Fidecaro, M., Gatignon, L., Gonidec, A., Kubischta, W., Norton, A., Maier, A., Patel, M., Peters, A., Balev, S., Frabetti, P.L., Goudzovski, E., Hristov, Peter, Kekelidze, V., Kozhuharov, V., Litov, Leandar, Madigozhin, D., Marinova, E., Molokanova, N., Polenkevich, I., Stoynev, S., Zinchenko, A., Monnier, E., Swallow, E., Winston, R., Rubin, Philip D., Walker, A., Baldini, W., Cotta Ramusino, A., Dalpiaz, P., Damiani, C., Fiorini, M., Gianoli, Alberto, Martini, M., Petrucci, F., Savrie, M., Scarpa, M., Wahl, H., Bizzeti, A., Calvetti, M., Celeghini, Enrico, Iacopini, E., Lenti, M., Martelli, F., Ruggiero, G., Veltri, M., Behler, M., Eppard, K., Handel, C., Kleinknecht, Konrad, Marouelli, P., Masetti, L., Moosbrugger, U., Morales Morales, C., Renk, B., Wache, M., Wanke, R., Winhart, A., Coward, D.H., Dabrowski, A., Fonseca Martin, T., Shieh, M., Szleper, M., Velasco, M., Wood, M.D., Anzivino, Giuseppina, Cenci, P., Imbergamo, E., Nappi, Nello, Pepe, M., Petrucci, M.C., Piccini, M., Raggi, M., Valdata-Nappi, Marisa, Cerri, C., Collazuol, G., Costantini, Flavio, Di, L., Doble, Niels, Fantechi, R., Fiorini, L., Giudici, S., Lamanna, G., Mannelli, Italo, Michetti, A., Pierazzini, G., Sozzi, Marco S., Bloch-Devaux, Brigitte, Cheshkov, C., Cheze, J.B., De Beer, M., Derre, J., Marel, G., Mazzucato, E., Peyaud, B., Vallage, B., Holder, M., Ziolkowski, M., Bifani, S., Biino, C., Cartiglia, N., Clemencic, M., Goy Lopez, S., Marchetto, Flavio Pietro, Dibon, Heinz, Jeitler, Manfred, Markytan, M., Mikulec, I., Neuhofer, G., and Widhalm, L.
Subjects: Particle Physics - Experiment
Abstract: Using the full data set of the NA48/2 experiment, the decay $K^{\pm} \rightarrow \pi^{\pm} e^{+} e^{-}\gamma$ is observed for the first time, selecting 120 candidates with $7.3 \pm 1.7$ estimated background events. With $K^{\pm} \rightarrow \pi^{\pm} \pi^{0}_{D}$ as normalisation channel, the branching ratio is determined in a model-independent way to be Br$(K^{\pm} \rightarrow \pi^{\pm} e^{+} e^{-}\gamma, m_{ee\gamma} > 260$ MeV/c$^{2}) = (1.19 \pm 0.12_{stat} \pm 0.04_{syst}) \times 10^{-8}$. This measured value and the spectrum of the $e^{+}e^{-}\gamma$ invariant mass allow a comparison with predictions of Chiral Perturbation Theory. Using the full data set of the NA48/2 experiment, the decay K±→π±e+e−γ is observed for the first time, selecting 120 candidates with 7.3±1.7 estimated background events. With K±→π±πD0 as normalisation channel, the branching ratio is determined in a model-independent way to be Br(K±→π±e+e−γ,meeγ>260 MeV/c2)=(1.19±0.12stat±0.04syst)×10−8 . This measured value and the spectrum of the e+e−γ invariant mass allow a comparison with predictions of chiral perturbation theory. Using the full data set of the NA48/2 experiment, the decay K+- -> pi+- e+ e- gamma is observed for the first time, selecting 120 candidates with 7.3 +- 1.7 estimated background events. With K+- -> pi+- pi0D as normalisation channel, the branching ratio is determined in a model-independent way to be Br(K+- -> pi+- e+ e- gamma, m_eegamma > 260 MeV/c^2) = (1.19 +- 0.12_stat +- 0.04_syst) x 10^-8. This measured value and the spectrum of the e+ e- gamma invariant mass allow a comparison with predictions of Chiral Perturbation Theory.
Published: 2007

32. The beam and detector for the NA48 neutral kaon CP violation experiment at CERN

Author: Fanti, V and Costantini, Flavio
Published: 2007

33. Determination of the relative decay rate KS -> πeν / KL -> πeν

Author: Batley, Jr, Kalmus, Ge, Lazzeroni, C, Munday, Dj, Patel, M, Slater, Mw, Wotton, Sa, Arcidiacono, Roberta, Bocquet, G, Ceccucci, A, Cundy, D, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Grafstrom, P, Kubischta, W, Marchetto Flavio Pietro, Mikulec, I, Norton Alan Robert, Panzer Steindel, B, Rubin, P, Wahl, Heinrich, Goudzovski, E, Hristov, P, Kekelidze, V, Litov, L, Madigozhin, D, Molokanova, N, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Sacco, R, Walker, A, Baldini, Wander, Dalpiaz, Pietro, Frabetti, Pierluigi, Gianoli, Alberto, Martini, Marco, Petrucci, Ferruccio, Scarpa, Marcella, Savrie', Mauro, Bizzeti, Andrea, Calvetti, Mario, Collazuol, Gianmaria, Graziani, Giacomo, Iacopini, Enrico, Lenti, Massimo, Martelli, Filippo, Ruggiero, Giuseppe, Veltri, Michele, Behler, M, Eppard, K, Eppard, M, Hirstius, A, Kleinknecht, K, Koch, U, Masetti, Lorenzo, Marouelli, P, Moosbrugger, U, Morales, Cm, Peters, A, Wanke, R, Winhart, A, Dabrowski, A, Martin, Tf, Goy Lopez Silvia, Velasco, M, Anzivino, Giuseppina, Cenci, Patrizia, Imbergamo, Ermanno, Lamanna, Gianluca, Lubrano, Pasquale, Michetti, Andrea, Nappi, Aniello, Pepe, Monica, Petrucci Maria Carmela, Piccini, Mauro, Valdata, Marisa, Cerri, Claudio, Costantini, Flavio, Fantechi, Riccardo, Fiorini, Luca, Giudici, Sergio, Mannelli, Italo, Pierazzini, Giuseppe, Sozzi, Marco, Cheshkov, C, Cheze, Jb, De Beer, M, Debu, P, Gouge, G, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Biino, Cristina, Cartiglia, Nicolo', Clemencic, Marco, Menichetti, Ezio, Pastrone, Nadia, Wislicki, W, Dibon, H, Jeitler, M, Markytan, M, Neuhofer, G, and Widhalm, L.
Published: 2007

34. Measurement of the ratio Γ(KL -> π+π-) / Γ(KL-> π±e-+ν) and extraction of the CP violation parameter |η+

Author: Lai, Adriano, Marras, Davide, Bevan, A, Dosanjh, Rs, Gershon, Tj, Hay, B, Kalmus, Ge, Lazzeroni, C, Munday, Dj, Olaiya, E, Parker, Ma, White, To, Wotton, Sa, Barr, G, Bocquet, G, Ceccucci, A, Cuhadar Donszelmann, T, Cundy, D, D'Agostini, Giulio, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Gorini, B, Govi, G, Grafstrom, P, Kubischta, W, Lacourt, A, Norton Alan Robert, Palestini, S, Panzer Steindel, B, Taureg, H, Velasco, M, Wahl, Heinrich, Cheshkov, C, Gaponenko, A, Hristov, P, Kekelidze, V, Litov, L, Madigozhin, D, Molokanova, N, Potrebenikov, Y, Stoynev, S, Tatishvili, G, Tkatchev, A, Zinchenko, A, Knowles, I, Martin, V, Sacco, R, Walker, A, Contalbrigo, Marco, Dalpiaz, Pietro, Duclos, Jean, Frabetti, Pierluigi, Gianoli, Alberto, Martini, Marco, Petrucci, Ferruccio, Savrie', Mauro, Bizzeti, Andrea, Calvetti, Mario, Collazuol, Gianmaria, Graziani, Giacomo, Iacopini, Enrico, Lenti, Massimo, Martelli, Filippo, Veltri, Michele, Becker, Hg, Eppard, K, Eppard, M, Fox, H, Kalter, A, Kleinknecht, K, Koch, U, Kopke, L, da Silva PL, Marouelli, P, Pellmann, I, Peters, A, Renk, B, Schmidt, Sa, Schonharting, V, Schue, Y, Wanke, R, Winhart, A, Wittgen, M, Chollet, Jc, Fayard, L, Iconomidou Fayard, L, Ocariz, J, Unal, G, Wingerter Seez, I, Anzivino, Giuseppina, Cenci, Patrizia, Imbergamo, Ermanno, Lubrano, Pasquale, Mestvirishvili, A, Nappi, Aniello, Pepe, Antonio, Piccini, Mauro, Bertanza, Luciano, Carosi, Roberto, Cerri, Claudio, Cirilli, Manuela, Costantini, Flavio, Fantechi, Riccardo, Giudici, Sergio, Mannelli, Italo, Pierazzini, Giuseppe, Sozzi, Marco, Cheze, Jb, Cogan, J, De Beer, M, Debu, P, Formica, A, de Cassagnac RG, Mazzucato, E, Peyaud, B, Turlay, R, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Arcidiacono, Roberta, Biino, Cristina, Cartiglia, Nicolo', Guida, Roberto, Marchetto Flavio Pietro, Menichetti, Ezio, Pastrone, Nadia, Nassalski, J, Rondio, E, Szleper, M, Wislicki, W, Wronka, S, Dibon, H, Fischer, G, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, Pernicka, M, Taurok, A, and Widhalm, L.
Published: 2007

35. Measurements of charged kaon semileptonic decay branching fractions K-+/- -> pi(0)mu(+/-)v and K-+/- -> pi(0)e(+/-)v and their ratio (vol 50, pg 329, 2007)

Author: Batley, J. R., Lazzeroni, C., Munday, D. J., Slater, M. W., Wotton, S. A., Arcidiacono, R., Bocquet, G., Cabibbo, N., Ceccucci, A., Cundy, D., Falaleev, V., Fidecaro, M., Gatignon, L., Gonidec, A., Kubischta, W., Norton, A., Patel, M., Peters, A., Balev, S., Frabetti, P. L., Goudzovski, E., Hristov, P., Kekelidze, V., Kozhuharov, V., Litov, L., Madigozhin, D., Marinova, E., Molokanova, N., Polenkevich, I., Stoynev, S., Zinchenko, A., Monnier, E., Swallow, E., Winston, R., Rubin, P., Walker, A., Baldini, W., Cotta, Ramusino A., Dalpiaz, P., Damiani, C., Fiorini, M., Gianoli, A., Martini, M., Petrucci, F., Savrie, M., Scarpa, M., Wahl, H., Bizzeti, A., Calvetti, M., Celeghini, E., Iacopini, E., Lenti, M., Martelli, F., Ruggiero, G., Veltri, M., Behler, M., Eppard, K., Kleinknecht, K., Marouelli, P., Masetti, L., Moosbrugger, U., Morales, Morales C., Renk, B., Wache, M., Wanke, R., Winhart, A., Coward, D., Dabrowski, A., Fonseca, Martin T., Shieh, M., Szleper, M., Velasco, M., Wood, M. D., Anzivino, G., Cenci, P., Imbergamo, E., Pepe, M., Petrucci, M. C., Piccini, M., Raggi, M., Valdata Nappi, M., Cerri, C., Collazuol, G., Costantini, Flavio, Dilella, L., Doble, N., Fantechi, R., Fiorini, L., Giudici, Sergio, Lamanna, Gianluca, Mannelli, I., Michetti, A., Pierazzini, G., Sozzi, MARCO STANISLAO, Bloch Devaux, B., Cheshkov, C., Cheze, J. B., De Beer, M., Derre, J., Marel, G., Mazzucato, E., Peyaud, B., Vallage, B., Holder, M., Maier, A., Ziolkowski, M., Bifani, S., Biino, C., Cartiglia, N., Clemencic, M., Goy, Lopez S., Marchetto, F., Dibon, H., Jeitler, M., Markytan, M., Mikulec, I., Neuhofer, G., and Widhalm, L.
Published: 2007

36. Measurement of the Dalitz plot slopes of the K±-> π±π+π- decay

Author: Batley, Jr, Culling, Aj, Kalmus, G, Lazzeroni, C, Munday, Dj, Slater, Mw, Wotton, Sa, Arcidiacono, Roberta, Bocquet, G, Cabibbo, Nicola, Ceccucci, A, Cundy, D, Falaleev, V, Fidecaro, M, Gatignon, L, Gonidec, A, Kubischta, W, Norton Alan Robert, Maier, A, Patel, M, Peters, A, Balev, Spasimir, Frabetti, Pierluigi, Goudzovski, E, Hristov, P, Kekelidze, V, Kozhuharov, V, Litov, L, Madigozhin, D, Marinova, E, Molokanova, N, Polenkevich, I, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Rubin, P, Walker, A, Baldini, Wander, Ramusino, Ac, Dalpiaz, Pietro, Damiani, Chiara, Fiorini, Massimiliano, Gianoli, Alberto, Martini, Mara, Petrucci, Ferruccio, Savrie', Mauro, Scarpa, Marcella, Wahl, Heinrich, Bizzeti, Andrea, Calvetti, Mario, Celeghini, Enrico, Iacopini, Enrico, Lenti, Massimo, Martelli, Filippo, Ruggiero, Giuseppe, Veltri, Michele, Behler, M, Eppard, K, Kleinknecht, K, Marouelli, P, Masetti, L, Moosbrugger, U, Morales, Cm, Renk, B, Wache, M, Wanke, R, Winhart, A, Coward, D, Dabrowski, A, Martin, Tf, Shieh, M, Szleper, M, Velasco, M, Wood, Md, Anzivino, Giuseppina, Cenci, Patrizia, Imbergamo, Ermanno, Nappi, Aniello, Pepe, Monica, Petrucci Maria Carmela, Piccini, Mauro, Raggi, Mauro, Valdata, Marisa, Cerri, Claudio, Collazuol, Gianmaria, Costantini, Flavio, Dilella, L, Doble, N, Fantechi, Riccardo, Fiorini, Luca, Giudici, Sergio, Lamanna, Gianluca, Mannelli, Italo, Michetti, Andrea, Pierazzini, Giuseppe, Sozzi, Marco, Bloch Devaux, B, Cheshkov, C, Cheze, Jb, De Beer, M, Derre, J, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Ziolkowski, M, Bifani, Simone, Biino, Cristina, Cartiglia, Nicolo', Clemencic, Marco, Goy Lopez Silvia, Marchetto Flavio Pietro, Dibon, H, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, and Widhalm, L.
Published: 2007

37. Measurement of the Dalitz plot slope parameters of the K±→π±π+π− decay

Author: Batley, J. R. and Costantini, Flavio
Published: 2007

38. Measurement of K-mu 3(0) form factors

Author: Lai, A, Marras, D, Bevan, A, Dosanjh, Rs, Gershon, Tj, Hay, B, Kalmus, Ge, Lazzeroni, C, Munday, Dj, Olaiya, E, Parker, Ma, White, To, Wotton, Sa, Barr, G, Bocquet, G, Ceccucci, A, Cuhadar Donszelmann, T, Cundy, D, D'Agostini, G, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Gorini, B, Govi, G, Grafstrom, P, Kubischta, W, Lacourt, A, Norton, A, Palestini, S, Panzer Steindel, B, Taureg, H, Velasco, M, Wahl, H, Cheshkov, C, Hristov, P, Kekelidze, V, Litov, L, Madigozhin, D, Molokanova, N, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Knowles, I, Martin, V, Sacco, R, Walker, A, Contalbrigo, M, Dalpiaz, P, Duclos, J, Frabetti, Pl, Gianoli, A, Martini, M, Petrucci, F, Savrie, M, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Iacopini, E, Lenti, M, Ruggiero, G, Veltri, M, Becker, Hg, Eppard, K, Eppard, M, Fox, H, Kalter, A, Kleinknecht, K, Koch, U, Kopke, L, da Silva PL, Marouelli, P, Pellmann, I, Peters, A, Renk, B, Schmidt, Sa, Schonharting, V, Schue, Y, Wanke, R, Winhart, A, Wittgen, M, Chollet, Jc, Fayard, L, Iconomidou Fayard, I, Ocariz, J, Unal, G, Wingerter Seez, I, Anzivino, G, Cenci, P, Imbergamo, E, Lubrano, P, Mestvirishvili, A, Nappi, A, Pepe, M, Piccini, M, Bertanza, L, Carosi, R, Casali, R, Cerri, C, Cirilli, A, Costantini, Flavio, Fantechi, R, Giudici, Sergio, Mannelli, I, Pierazzini, G, Sozzi, MARCO STANISLAO, Cheze, Jb, Cogan, J, De Beer, M, Debu, P, Formica, A, de Cassagnac RG, Mazzucato, E, Peyaud, B, Turlay, R, Vallage, B, Bernhard, R, Holder, M, Maier, A, Ziolkowski, M, Arcidiacono, R, Biino, C, Cartiglia, N, Marchetto, F, Menichetti, E, Pastrone, N, Nassalski, J, Rondio, E, Szleper, M, Wislicki, W, Wronka, S, Dibon, H, Fischer, G, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, Pernicka, M, Taurok, A, and Widhalm, L.
Subjects: RADIATIVE-CORRECTIONS, PARTICLE PHYSICS, DECAY, kaon form factors, kaon semileptonic decays
Published: 2007

39. Direct Photon Production from Positive and Negative Pions and Protons at 200 GeV/c (NA3 Collaboration)

Author: Costantini, Flavio, primary
Published: 1988
Full Text: View/download PDF

40. Search for direct CP-violation in K± -> π± π0 π0 decays

Author: Batley, Jr, Culling, Aj, Kalmus, G, Lazzeroni, C, Munday, Dj, Slater, Mw, Wotton, Sa, Arcidiacono, Roberta, Bocquet, G, Cabibbo, Nicola, Ceccucci, A, Cundy, D, Falaleev, V, Fidecaro, M, Gatignon, L, Gonidec, A, Kubischta, W, Norton Alan Robert, Maier, A, Patel, M, Peters, A, Balev, Spasimir, Frabetti, Pl, Goudzovski, E, Hristov, P, Kekelidze, V, Kozhuharov, V, Litov, L, Madigozhin, D, Marinova, E, Molokanova, N, Polenkevich, I, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Rubin, P, Walker, A, Baldini, Wander, Cotta Ramusino Angelo, Dalpiaz, Pietro, Damiani, Chiara, Fiorini, Massimiliano, Gianoli, Alberto, Martini, Mara, Petrucci, Ferruccio, Savrie', Mauro, Scarpa, Marcella, Wahl, Heinrich, Bizzeti, Andrea, Calvetti, Mario, Celeghini, Enrico, Iacopini, Enrico, Lenti, Massimo, Martelli, Filippo, Ruggiero, Giuseppe, Veltri, Michele, Behler, M, Eppard, K, Kleinknecht, K, Marouelli, P, Masetti, Lorenzo, Moosbrugger, U, Morales, Cm, Renk, B, Wache, M, Wanke, R, Winhart, A, Coward, D, Dabrowski, A, Martin, Tf, Shieh, M, Szleper, M, Velasco, M, Wood, Md, Anzivino, Giuseppina, Cenci, Patrizia, Imbergamo, Ermanno, Nappi, Aniello, Pepe, Monica, Petrucci, Mc, Piccini, Mauro, Raggi, Mauro, Valdata, Marisa, Cerri, Claudio, Collazuol, Gianmaria, Costantini, Flavio, Dilella, L, Doble, N, Fantechi, Riccardo, Fiorini, Luca, Giudici, Sergio, Lamanna, Gianluca, Mannelli, Italo, Michetti, Andrea, Pierazzini, Giuseppe, Sozzi, Marco, Bloch Devaux, B, Cheshkov, C, Cheze, Jb, De Beer, M, Derre, J, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, A, Ziolkowski, M, Bafani, S, Biino, Cristina, Cartiglia, Nicolo', Clemencic, Marco, Goy Lopez Silvia, Marchetto Flavio Pietro, Dibon, H, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, and Widhalm, L.
Published: 2006

41. Observation of a cusp-like structure in the π0 π0 invariant mass distribution from K± -> π+ π0 π0 decay and determination of the π π scattering lenghts, PHYSICS LETTERS B, num. 633, vol. B, pp. 173-182, 2006

Author: Batley, A. COLLABORATION J. R., Lazzeroni, C., Munday, D. J., Slater, M. W., Arcidiacono, S. A. WOTTON CAVENDISH LABORATORY R., Bocquet, G., Cabibbo, N., Ceccucci, A., Cundy, D., Falaleev, V., Fidecaro, M., Gatignon, L., Gonidec, A., Kubischta, W., Norton, A., Patel, M., Balev, A. PETERS CERN S., Frabetti, P. L., Goudzovski, E., Hristov, P., Kekelidze, V., Kozhuharov, V., Litov, L., Madigozhin, D., Marinova, E., Molokanova, N., Polenkevich, I., Potrebenikov, Y. U., Stoynev, S., Monnier, A. ZINCHENKO DUBNA E., Swallow, E., Rubin, R. WINSTON THE UNIVERSITY OF CHICAG P., Baldini, A. WALKER EDINBURGH W., COTTA RAMUSINO, A., Dalpiaz, P., Damiani, C., Fiorini, M., Gianoli, A., Martini, M., Petrucci, F., Savri, M., Scarpa, M., Bizzeti, H. WAHL INFN DI FERRARA A., Calvetti, M., Celeghini, E., Iacopini, E., Lenti, M., Martelli, F., Ruggiero, G., Behler, M. VELTRI INFN DI FIRENZE M., Eppard, K., Kleinknecht, K., Marouelli, P., Masetti, L., Moosbrugger, U., MORALES MORALES, C., Renk, B., Wache, M., Wanke, R., Coward, A. WINHART UNIVERSITT MAINZ D., Dabrowski, A., FONSECA MARTIN, T., Shieh, M., Szleper, M., Velasco, M., Anzivino, M. D. WOOD NORTHWESTERN UNIVERSITY G., Cenci, P., Imbergamo, E., Pepe, M., Petrucci, M. C., Piccini, M., Raggi, M., Cerri, M. VALDATA NAPPI INFN DI PERUGIA C., Collazuol, G., Costantini, Flavio, Dilella, L., Doble, N., Fantechi, R., Fiorini, L., Lamanna, S. GIUD G., Mannelli, I., Michetti, A., Pierazzini, Giuseppe, BLOCH DEVAUX, M. SOZZI INFN DI PISA B., Cheshkov, C., Chze, J. B., DE BEER, M., Derr, J., Marel, G., Peyaud, E. MAZZUCAT B., Holder, B. VALLAGE CEA SACLAY M., Maier, A., Bifani, M. ZIOLKOWSKI UNIVERSITT SIEGEN S., Biino, C., Cartiglia, N., Clemencic, M., GOY LOPEZ, S., Dibon, F. MARCHETTO INFN DI TORINO H., Jeitler, M., Markytan, M., Mikulec, I., Neuhofer, G., and WIDHALM INSTITUT FR HOCHENERGIEPHYSIK, L.
Published: 2006

42. Measurement of the K-L -> e(+)e(-)e(+)e(-) decay rate

Author: Lai, A, Marras, D, Bevan, A, Dosanjh, Rs, Gershon, Tj, Hay, B, Kalmus, Ge, Lazzeroni, C, Munday, Dj, Needham, Md, Olaiya, E, Parker, Ma, White, To, Wotton, Sa, Barr, G, Bocquet, G, Ceccucci, A, Cuhadar, T, Cundy, D, D'Agostini, G, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Gorini, B, Govi, G, Grafstrom, P, Kubischta, W, Lacourt, A, Norton, A, Palestini, S, Panzer Steindel, B, Tatishvili, G, Taureg, H, Velasco, M, Wahl, H, Cheshkov, C, Hristov, P, Kekelidze, V, Madigojine, D, Molokanova, N, Potrebenikov, Y, Zinchenko, A, Knowles, I, Martin, V, Sacco, R, Walker, A, Contalbrigo, M, Dalpiaz, P, Duclos, J, Frabetti, Pl, Gianoli, A, Martini, M, Petrucci, F, Savrie, M, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Iacopini, E, Lenti, M, Ruggiero, G, Becker, Hg, Eppard, M, Fox, H, Eppard, K, Kalter, A, Kleinknecht, K, Koch, U, Kopke, L, da Silva PL, Marouelli, P, Melzer Pellmann, I, Peters, A, Renk, B, Schmidt, Sa, Schonharting, V, Schue, Y, Wanke, R, Winhart, A, Wittgen, M, Chollet, Jc, Fayard, L, Iconomidou Fayard, L, Ocariz, J, Unal, G, Wingerter Seez, I, Anzivino, G, Cenci, P, Imbergamo, E, Lamanna, Gianluca, Lubrano, P, Mestvirishvili, A, Nappi, A, Pepe, M, Piccini, M, Casali, R, Cerri, C, Cirilli, M, Costantini, Flavio, Fantechi, R, Fiorini, L, Giudici, Sergio, Mannelli, I, Pierazzini, G, Sozzi, MARCO STANISLAO, Cheze, Jb, Cogan, J, De Beer, M, Debu, P, Formica, A, de Cassagnac RG, Mazzucato, E, Peyaud, B, Turlay, R, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Arcidiacono, R, Biino, C, Cartiglia, N, Marchetto, F, Menichetti, E, Pastrone, N, Nassalski, J, Rondio, E, Szleper, M, Wislicki, W, Wronka, S, Dibon, H, Fischer, G, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, Pernicka, M, Taurok, A, and Widhalm, L.
Subjects: GAMMA-GAMMA%22">KL->GAMMA-GAMMA, PARITY, ORIGIN, GAMMA-GAMMA%22">KS->GAMMA-GAMMA, BRANCHING RATIO, CP VIOLATION, MESONS, RULE, NEUTRAL KAON, NO, kaon decay
Abstract: The decay rate of the long-lived neutral K meson into the e +e -e +e - final state has been measured with the NA48 detector at the CERN SPS. Using data collected in 1998 and 1999, a total of 200 events has been observed with negligible background. This observation corresponds to a branching ratio of Br(K L→ e +e -e +e -)=(3.30±0.24 stat±0.23 syst±0.10 norm) ×10 -8. © 2005 Elsevier B.V. All rights reserved.
Published: 2005

43. SEARCH FOR CP VIOLATION IN K0 ---> 3 PI0 DECAYS., PHYSICS LETTERS B, vol. 610, pp. 165-176, 2005

Author: Collaboration, Na, Batley, J. R., Costantini, Flavio, Doble, N., Lamanna, Gianluca, and Pierazzini, Giuseppe
Published: 2005

44. A measurement of the CP-conserving component of the decay K0S -> π+ π- π0

Author: Batley, Jr, Lazzeroni, C, Munday, Dj, Patel, M, Slater, Mw, Wotton, Sa, Arcidiacono, Roberta, Bocquet, G, Ceccucci, A, Cundy, D, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Grafstrom, P, Kubischta, W, Marchetto Flavio Pietro, Mikulec, I, Norton Alan Robert, Panzer Steindel, B, Rubin, P, Wahl, Heinrich, Goudzovski, E, Gurev, D, Hristov, P, Kekelidze, V, Litov, L, Madigozhin, D, Molokanova, N, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Monnier, E, Swallow, E, Winston, R, Sacco, Bruno, Walker Paul Andreas, Baldini, Wander, Dalpiaz, Pietro, Frabetti, Pierluigi, Gianoli, Alberto, Martini, Marco, Petrucci, Fabrizio, Scarpa, Marcella, Savrie', Mauro, Bizzeti, Andrea, Calvetti, Mario, Collazuol, Gianmaria, Graziani, Giacomo, Iacopini, Enrico, Lenti, Massimo, Martelli, Filippo, Ruggiero, Giuseppe, Veltri, Michele, Behler, M, Eppard, K, Eppard, M, Hirstius, A, Kleinknecht, K, Koch, U, Masetti, Lorenzo, Marouelli, P, Moosbrugger, U, Morales Jose Francisco, Peters, A, Wache, M, Wanke, R, Winhart, A, Dabrowski, A, Martin, Tf, Velasco, M, Anzivino, Giuseppina, Cenci, Patrizia, Imbergamo, Ermanno, Lamanna, Gianluca, Lubrano, Pasquale, Michetti, Andrea, Nappi, Aniello, Pepe, Michele, Petrucci Maria Carmela, Piccini, Mauro, Valdata, Marisa, Cerri, Claudio, Costantini, Flavio, Fantechi, Riccardo, Fiorini, Luca, Giudici, Sergio, Mannelli, Italo, Pierazzini, Giuseppe, Sozzi, Marco, Cheshkov, C, Cheze, Jb, De Beer, M, Debu, P, Gouge, G, Marel, G, Mazzucato, E, Peyaud, B, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Biino, Cristina, Cartiglia, Nicolo', Clemencic, Marco, Lopez, Sg, Menichetti, Ezio, Pastrone, Nadia, Wislicki, Wojciech, Dibon, H, Jeitler, M, Markytan, M, Neuhofer, G, and Widhalm, L.
Published: 2005

45. MEASUREMENT OF THE RADIATIVE K(E3) BRANCHING RATIO., PHYSICS LETTERS B, vol. B605, pp. 247-255, 2005

Author: Lai, A., Infn, D. MARRAS CAGLIARI U., Bevan, CAGLIARI A., Dosanjh, R. S., Gershon, T. J., Hay, B., Kalmus, G. E., Lazzeroni, C., Munday, D. J., Olaiya, E., Parker, M. A., White, T. O., Barr, S. A. WOTTON CAMBRIDGE U. G., Bocquet, G., Ceccucci, A., CUHADAR DONSZELMANN, T., Cundy, D., D'Agostini, G., Doble, N., Falaleev, V., Gatignon, L., Gonidec, A., Gorini, B., Govi, G., Grafstrom, P., Kubischta, W., Lacourt, A., Norton, A., Palestini, S., PANZER STEINDEL, B., Taureg, H., Velasco, M., Cheshkov, H. WAHL CERN C., Hristov, P., Kekelidze, V., Litov, L., Madigojine, D., Molokanova, N., Potrebenikov, Y. U., Stoynev, S., ZINCHENKO DUBNA, A., Knowles, JINR I., Martin, V., Sacco, R., Contalbrigo, A. WALKER EDINBURGH U. M., Dalpiaz, P., Duclos, J., Frabetti, P. L., Gianoli, A., Martini, M., Petrucci, F., Infn, M. SAVRIE FERRARA U., Bizzeti, FERRARA A., Calvetti, M., Collazuol, G., Graziani, G., Iacopini, E., Lenti, M., Martelli, F., Infn, M. VELTRI FLORENCE U., Becker, FLORENCE H. G., Eppard, K., Eppard, M., Fox, H., Kalter, A., Kleinknecht, K., Koch, U., Kopke, L., LOPES DA SILVA, P., Marouelli, P., Pellmann, I., Peters, A., Renk, B., Schmidt, S. A., Schonharting, V., Schue, Y., Wanke, R., Winhart, A., WITTGEN MAINZ U, M., Chollet, I. N. S. T. P. H. Y. S. J. C., Fayard, L., ICONOMIDOU FAYARD, L., Ocariz, J., Unal, G., WINGERTER SEEZ ORSAY, I., Anzivino, LAL G., Cenci, P., Imbergamo, E., Lubrano, P., Mestvirishvili, A., Nappi, A., Pepe, M., Infn, M. PICCINI PERUGIA U., Bertanza, PERUGIA L., Carosi, R., Casali, R., Cerri, C., Cirilli, M., Costantini, Flavio, Fantechi, R., Giudici, Sergio, Mannelli, I., Pierazzini, Giuseppe, Pisa, M. SOZZI PISA U., SCUOLA NORMALE SUPERIORE INFN, Cheze, PISA J. B., Cogan, J., DE BEER, M., Debu, P., Formica, A., GRANIER DE CASSAGNAC, R., Mazzucato, E., Peyaud, B., Turlay, R., VALLAGE DAPNIA, B., Holder, SACLAY M., Maier, A., Arcidiacono, M. ZIOLKOWSKI SIEGEN U. R., Biino, C., Cartiglia, N., Marchetto, F., Menichetti, E., Infn, N. PASTRONE TURIN U., Nassalski, TURIN J., Rondio, E., Szleper, M., Wislicki, W., WRONKA WARSAW, S., Dibon, I. N. S. T. N. U. C. L. STUDIES H., Fischer, G., Jeitler, M., Markytan, M., Mikulec, I., Neuhofer, G., Pernicka, M., Taurok, A., WIDHALM VIENNA, L., and Oaw, Autori
Published: 2005

46. A MEASUREMENT OF THE CP-CONSERVING COMPONENT OF THE DECAY K0(S) ---> PI+ PI- PI0., PHYSICS LETTERS B, vol. 630, pp. 31-39, 2005

Author: Batley, NA COLLABORATION J. R., Costantini, Flavio, and Pierazzini, Giuseppe
Published: 2005

47. Measurement of K-e3(0) form factors RID A-4071-2012

Author: Lai, A, Marras, D, Bevan, A, Dosanjh, Rs, Gershon, Tj, Hay, B, Kalmus, Ge, Lazzeroni, C, Munday, Dj, Olaiya, E, Parker, Ma, White, To, Wotton, Sa, Barr, G, Bocquet, G, Ceccucci, A, Cuhadar Donszelmann, T, Cundy, D, D' Agostini, G, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Gorini, B, Govi, G, Grafstrom, P, Kubischta, W, Lacourt, A, Norton, A, Palestini, S, Panzer Steindel, B, Taureg, H, Velasco, M, Wahl, H, Cheshkov, C, Hristov, P, Kekelidze, V, Litov, L, Madigojine, D, Molokanova, N, Potrebenikov, Y, Stoynev, S, Zinchenko, A, Knowles, I, Martin, V, Sacco, R, Walker, A, Contalbrigo, M, Dalpiaz, P, Duclos, J, Frabetti, Pl, Gianoli, A, Martini, M, Petrucci, F, Savrie, M, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Iacopini, E, Lenti, M, Martelli, F, Veltri, M, Becker, Hg, Eppard, K, Eppard, M, Fox, H, Kalter, A, Kleinknecht, K, Koch, U, Kopke, L, da Silva PL, Marouelli, P, Pellmann, I, Peters, A, Renk, B, Schmidt, Sa, Schonharting, V, Schue, Y, Wanke, R, Winhart, A, Wittgen, M, Chollet, Jc, Fayard, L, Iconomidou Fayard, L, Ocariz, J, Unal, G, Wingerter Seez, I, Anzivino, G, Cenci, P, Imbergamo, E, Lubrano, P, Mestvirishvili, A, Nappi, A, Pepe, M, Piccini, M, Bertanza, L, Carosi, R, Casali, R, Cerri, C, Cirilli, M, Costantini, Flavio, Fantechi, R, Giudici, Sergio, Mannelli, I, Pierazzini, G, Sozzi, MARCO STANISLAO, Cheze, Jb, Cogan, J, De Beer, M, Debu, P, Formica, A, de Cassagnac RG, Mazzucato, E, Peyaud, B, Turlay, R, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Arcidiacono, R, Biino, C, Cartiglia, N, Marchetto, F, Menichetti, E, Pastrone, N, Nassalski, J, Rondio, E, Szleper, M, Wislicki, W, Wronka, S, Dibon, H, Fischer, G, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, Pernicka, M, Taurok, A, and Widhalm, L.
Published: 2004

48. Measurement of the branching ratio and form-factors for the decay K(L) ---> pi+- pi0 e-+ nu(e)(anti-nu(e))

Author: Batley, Jr, Dosanjh, Rs, Gershon, Tj, Kalmus, Ge, Lazzeroni, C, Munday, D, Olaiya, E, Patel, M, Parker, Ma, White, To, Wotton, Sa, Arcidiacono, Roberta, Bocquet, G, Ceccucci, A, Cuhadar Donszelmann, T, Cundy, D, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Gorini, B, Grafstrom, P, Kubischta, W, Mikulec, I, Norton Alan Robert, Palestini, S, Wahl, Heinrich, Cheshkov, C, Hristov, P, Kekelidze, V, Litov, L, Madigozhin, D, Molokanova, N, Potrebenikov, Y, Zinchenko, A, Rubin, P, Sacco, Bruno, Walker Paul Andreas, Bettoni, Diego, Calabrese, Roberto, Dalpiaz, Pietro, Duclos, Jean, Frabetti, Pierluigi, Gianoli, Alberto, Martini, Manuele, Masetti, Lorenzo, Petrucci, Ferruccio, Savrie', Mauro, Scarpa, Marcella, Bizzeti, Andrea, Calvetti, Mario, Collazuol, Gianmaria, Iacopini, Enrico, Lenti, Massimo, Martelli, Filippo, Ruggiero, Giuseppe, Veltri, Michele, Eppard, K, Eppard, M, Hirstius, A, Kleinknecht, K, Koch, U, Kopke, L, da Silva PL, Marouelli, P, Mestvirishvili, I, Morales, C, Pellmann, I, Peters, A, Renk, B, Schmidt, Sa, Schonharting, V, Wanke, R, Winhart, A, Chollet, Jc, Fayard, L, Graziani, Giacomo, Iconomidou Fayard, L, Unal, G, Wingerter Seez, I, Anzivino, Giuseppina, Cenci, Patrizia, Imbergamo, Ermanno, Lamanna, Gianluca, Lubrano, Pasquale, Mestvirishvili, A, Michetti, Andrea, Nappi, Aniello, Pepe, Marco, Piccini, Mauro, Valdata, Marisa, Casali, Roberto, Cerri, Claudio, Cirilli, Manuela, Costantini, Flavio, Fantechi, Riccardo, Fiorini, L, Giudici, Sergio, Mannelli, Italo, Pierazzini, Giuseppe, Sozzi, Marco, Cheze, Jb, De Beer, M, Debu, P, Derue, F, Formica, A, Gouge, G, Marel, G, Mazzucato, E, Peyaud, B, Turlay, R, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Biino, Cristina, Cartiglia, Nicolo', Clemencic, Marco, Marchetto Flavio Pietro, Menichetti, Ezio, Pastrone, Nadia, Nassalski, J, Rondio, E, Wislicki, Wojciech, Wronka, S, Dibon, H, Jeitler, M, Markytan, M, Neuhofer, G, Pernicka, M, Taurok, A, and Widhalm, L.
Published: 2004

49. Measurement of the branching ratio of the decay K-L ->pi(+/-)e(-/+) neutrino and extraction of the CKM parameter vertical bar V-us vertical bar RID A-4071-2012

Author: Lai, A, Marras, D, Bevan, A, Dosanjh, Rs, Gershon, Tj, Hay, B, Kalmus, Ge, Lazzeroni, C, Munday, Dj, Olaiya, E, Parker, Ma, White, To, Wotton, Sa, Barr, G, Bocquet, G, Ceccucci, A, Cuhadar Donszelmann, T, Cundy, D, D'Agostini, G, Doble, N, Falaleev, V, Gatignon, L, Gonidec, A, Gorini, B, Govi, G, Grafstrom, P, Kubischta, W, Lacourt, A, Norton, A, Palestini, S, Panzer Steindel, B, Taureg, H, Velasco, M, Wahl, H, Cheshkov, C, Gaponenko, A, Hristov, P, Kekelidze, V, Litov, L, Madigojine, D, Molokanova, N, Potrebenikov, Y, Stoynev, S, Tatishvili, G, Tkatchev, A, Zinchenko, A, Knowles, I, Martin, V, Sacco, R, Walker, A, Contalbrigo, M, Dalpiaz, P, Duclos, J, Frabetti, Pl, Gianoli, A, Martini, M, Petrucci, F, Savrie, M, Bizzeti, A, Calvetti, M, Collazuol, G, Graziani, G, Iacopini, E, Lenti, M, Martelli, F, Veltri, M, Becker, Hg, Eppard, K, Eppard, M, Fox, H, Kalter, A, Kleinknecht, K, Koch, U, Kopke, L, da Silva PL, Marouelli, P, Pellmann, I, Peters, A, Renk, B, Schmidt, Sa, Schonharting, V, Schue, Y, Wanke, R, Winhart, A, Wittgen, M, Chollet, Jc, Fayard, L, Iconomidou Fayard, L, Ocariz, J, Unal, G, Wingerter Seez, I, Anzivino, G, Cenci, P, Imbergamo, E, Lubrano, P, Mestvirishvili, A, Nappi, A, Pepe, M, Piccini, M, Casali, R, Cerri, C, Cirilli, M, Costantini, Flavio, Fantechi, R, Fiorini, L, Giudici, Sergio, Lamanna, Gianluca, Mannelli, I, Pierazzini, G, Sozzi, MARCO STANISLAO, Cheze, Jb, Cogan, J, De Beer, M, Debu, P, Formica, A, de Cassagnac RG, Mazzucato, E, Peyaud, B, Turlay, R, Vallage, B, Holder, M, Maier, A, Ziolkowski, M, Arcidiacono, R, Biino, C, Cartiglia, N, Guida, R, Marchetto, F, Menichetti, E, Pastrone, N, Nassalski, J, Rondio, E, Szleper, M, Wislicki, W, Wronka, S, Dibon, H, Fischer, G, Jeitler, M, Markytan, M, Mikulec, I, Neuhofer, G, Pernicka, M, Taurok, A, and Widhalm, L.
Published: 2004

50. FIRST OBSERVATION OF THE K(S) ---> PI0 GAMMA GAMMA DECAY., PHYSICS LETTERS B, vol. 578, pp. 276-284, 2004

Author: Lai, NA C. O. L. L. A. B. O. R. A. T. I. O. N. A., Costantini, Flavio, and Pierazzini, Giuseppe
Published: 2004

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