First observation and study of the $K^{\pm} \rightarrow \pi^{0} \pi^{0} \mu^{\pm} \nu$ decay
The NA48/2 experiment at CERN reports the first observation of the K$^{±}$ → π$^{0}$π$^{0}$μ$^{±}$ν decay based on a sample of 2437 candidates with 15% background contamination collected in 2003–2004. The decay branching ratio in the kinematic region of the squared dilepton mass above 0.03 GeV$^{2}$...
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| Veröffentlicht in: | The journal of high energy physics 2024, Vol.3 |
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| creator | Batley, John Richard Kalmus, George Lazzeroni, Cristina Munday, David John Slater, Mark W Wotton, Stephen A Arcidiacono, Roberta Bocquet, Ginette Cabibbo, Nicola Ceccucci, Augusto Cundy, Donald Falaleev, Valeri Fidecaro, Maria Gatignon, Lau Gonidec, Allain Kubischta, Werner Maier, Andrew Norton, Alan Patel, Mitesh Peters, Andreas Joachim Potrebenikov, Yuri Monnier, Emmanuel Swallow, Earl Winston, Roland Rubin, Philip David Walker, Alan Dalpiaz, Pietro Damiani, Chiara Fiorini, Massimiliano Martini, Mara Petrucci, Ferruccio Savrié, Mauro Scarpa, Marcella Wahl, Heinrich Baldini, Wander Cotta Ramusino, Angelo Gianoli, Alberto Calvetti, Mario Celeghini, Enrico Iacopini, Enrico Lenti, Massimo Ruggiero, Giuseppe Bizzeti, Andrea Veltri, Michele Behler, Matthias Eppard, Kirsten Hita-Hochgesand, Manuel Kleinknecht, Konrad Marouelli, Peter Masetti, Lucia Moosbrugger, Ulrich Morales Morales, Cristina Renk, Burkhard Wache, Martin Wanke, Rainer Winhart, Andreas Coward, David Dabrowski, Anne Fonseca Martin, Teresa Shieh, Michal Szleper, Michal Velasco, Mayda Wood, Matthew D Anzivino, Giuseppina Imbergamo, Ermanno Nappi, Aniello Piccini, Mauro Raggi, Mauro Valdata-Nappi, Marisa Cenci, Patrizia Pepe, Monica Petrucci, Maria Cristina Costantini, Flavio Doble, Niels Fiorini, Luca Giudici, Sergio Pierazzini, Giuseppe Sozzi, Marco Venditti, Stefano Collazuol, Gianmaria Di Lella, Luigi Lamanna, Gianluca Mannelli, Italo Michetti, Andrea Cerri, Claudio Fantechi, Riccardo Bloch-Devaux, Brigitte Cheshkov, Cvetan Chèze, Jean-Baptiste de Beer, Michel Derré, Jacques Marel, Gerard Mazzucato, Eduardo Peyaud, Bernard Vallage, Bertrand Holder, Martin Ziolkowski, Michal Bifani, Simone Clemencic, Marco Goy Lopez, Silvia |
| description | The NA48/2 experiment at CERN reports the first observation of the K$^{±}$ → π$^{0}$π$^{0}$μ$^{±}$ν decay based on a sample of 2437 candidates with 15% background contamination collected in 2003–2004. The decay branching ratio in the kinematic region of the squared dilepton mass above 0.03 GeV$^{2}$/c$^{4}$ is measured to be (0.65 ± 0.03) × 10$^{−6}$. The extrapolation to the full kinematic space, using a specific model, is found to be (3.45 ± 0.16) × 10$^{−6}$, in agreement with chiral perturbation theory predictions. |
| doi_str_mv | 10.1007/JHEP03(2024)137 |
| format | Article |
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The decay branching ratio in the kinematic region of the squared dilepton mass above 0.03 GeV$^{2}$/c$^{4}$ is measured to be (0.65 ± 0.03) × 10$^{−6}$. The extrapolation to the full kinematic space, using a specific model, is found to be (3.45 ± 0.16) × 10$^{−6}$, in agreement with chiral perturbation theory predictions.</description><subject>High Energy Physics - Experiment</subject><subject>Physics</subject><issn>1126-6708</issn><issn>1029-8479</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNpFjEFLwzAYhoMoOKdnrzns4A7V70uapD2OsVm1oIcdy0raZLaytiNtN8rYf1dR8fS8PLw8hNwi3COAeniOFm_A7xgwf4pcnZERAgu9wFfh-ddGJj2pILgkV237AYACQxiRZFm6tqNN1lq3113Z1FTXhrZdbwbabGhXWDp5WR-TXXWiiSvfi0471xxosivXRzj9s-r_XnU_ocbmergmFxu9be3NL8dktVys5pEXvz4-zWexlytAj5tcKiWkyJgOOUo0DPwgt0IalmU2R-1LaxiXqFEzGSjJAqm4UcKikjbnYzL9yRZ6m-5cWWk3pI0u02gWp98OfMFC4eMe-SdVjlYB</recordid><startdate>2024</startdate><enddate>2024</enddate><creator>Batley, John Richard</creator><creator>Kalmus, George</creator><creator>Lazzeroni, Cristina</creator><creator>Munday, David 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Petrucci, Maria Cristina ; Costantini, Flavio ; Doble, Niels ; Fiorini, Luca ; Giudici, Sergio ; Pierazzini, Giuseppe ; Sozzi, Marco ; Venditti, Stefano ; Collazuol, Gianmaria ; Di Lella, Luigi ; Lamanna, Gianluca ; Mannelli, Italo ; Michetti, Andrea ; Cerri, Claudio ; Fantechi, Riccardo ; Bloch-Devaux, Brigitte ; Cheshkov, Cvetan ; Chèze, Jean-Baptiste ; de Beer, Michel ; Derré, Jacques ; Marel, Gerard ; Mazzucato, Eduardo ; Peyaud, Bernard ; Vallage, Bertrand ; Holder, Martin ; Ziolkowski, Michal ; Bifani, Simone ; Clemencic, Marco ; Goy Lopez, Silvia</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c701-3dc677565b2a93161d2048ce56d2bbec1a46ed2361a1a2687628673d75e176ec3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>High Energy Physics - Experiment</topic><topic>Physics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Batley, 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Michal</creatorcontrib><creatorcontrib>Velasco, Mayda</creatorcontrib><creatorcontrib>Wood, Matthew D</creatorcontrib><creatorcontrib>Anzivino, Giuseppina</creatorcontrib><creatorcontrib>Imbergamo, Ermanno</creatorcontrib><creatorcontrib>Nappi, Aniello</creatorcontrib><creatorcontrib>Piccini, Mauro</creatorcontrib><creatorcontrib>Raggi, Mauro</creatorcontrib><creatorcontrib>Valdata-Nappi, Marisa</creatorcontrib><creatorcontrib>Cenci, Patrizia</creatorcontrib><creatorcontrib>Pepe, Monica</creatorcontrib><creatorcontrib>Petrucci, Maria Cristina</creatorcontrib><creatorcontrib>Costantini, Flavio</creatorcontrib><creatorcontrib>Doble, Niels</creatorcontrib><creatorcontrib>Fiorini, Luca</creatorcontrib><creatorcontrib>Giudici, Sergio</creatorcontrib><creatorcontrib>Pierazzini, Giuseppe</creatorcontrib><creatorcontrib>Sozzi, Marco</creatorcontrib><creatorcontrib>Venditti, Stefano</creatorcontrib><creatorcontrib>Collazuol, Gianmaria</creatorcontrib><creatorcontrib>Di Lella, 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(HAL)</collection><jtitle>The journal of high energy physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Batley, John Richard</au><au>Kalmus, George</au><au>Lazzeroni, Cristina</au><au>Munday, David John</au><au>Slater, Mark W</au><au>Wotton, Stephen A</au><au>Arcidiacono, Roberta</au><au>Bocquet, Ginette</au><au>Cabibbo, Nicola</au><au>Ceccucci, Augusto</au><au>Cundy, Donald</au><au>Falaleev, Valeri</au><au>Fidecaro, Maria</au><au>Gatignon, Lau</au><au>Gonidec, Allain</au><au>Kubischta, Werner</au><au>Maier, Andrew</au><au>Norton, Alan</au><au>Patel, Mitesh</au><au>Peters, Andreas Joachim</au><au>Potrebenikov, Yuri</au><au>Monnier, Emmanuel</au><au>Swallow, Earl</au><au>Winston, Roland</au><au>Rubin, Philip David</au><au>Walker, Alan</au><au>Dalpiaz, Pietro</au><au>Damiani, Chiara</au><au>Fiorini, Massimiliano</au><au>Martini, Mara</au><au>Petrucci, Ferruccio</au><au>Savrié, Mauro</au><au>Scarpa, Marcella</au><au>Wahl, Heinrich</au><au>Baldini, Wander</au><au>Cotta Ramusino, Angelo</au><au>Gianoli, Alberto</au><au>Calvetti, Mario</au><au>Celeghini, Enrico</au><au>Iacopini, Enrico</au><au>Lenti, Massimo</au><au>Ruggiero, Giuseppe</au><au>Bizzeti, Andrea</au><au>Veltri, Michele</au><au>Behler, Matthias</au><au>Eppard, Kirsten</au><au>Hita-Hochgesand, Manuel</au><au>Kleinknecht, Konrad</au><au>Marouelli, Peter</au><au>Masetti, Lucia</au><au>Moosbrugger, Ulrich</au><au>Morales Morales, Cristina</au><au>Renk, Burkhard</au><au>Wache, Martin</au><au>Wanke, Rainer</au><au>Winhart, Andreas</au><au>Coward, David</au><au>Dabrowski, Anne</au><au>Fonseca Martin, Teresa</au><au>Shieh, Michal</au><au>Szleper, Michal</au><au>Velasco, Mayda</au><au>Wood, Matthew D</au><au>Anzivino, Giuseppina</au><au>Imbergamo, Ermanno</au><au>Nappi, Aniello</au><au>Piccini, Mauro</au><au>Raggi, Mauro</au><au>Valdata-Nappi, Marisa</au><au>Cenci, Patrizia</au><au>Pepe, Monica</au><au>Petrucci, Maria Cristina</au><au>Costantini, Flavio</au><au>Doble, Niels</au><au>Fiorini, Luca</au><au>Giudici, Sergio</au><au>Pierazzini, Giuseppe</au><au>Sozzi, Marco</au><au>Venditti, Stefano</au><au>Collazuol, Gianmaria</au><au>Di Lella, Luigi</au><au>Lamanna, Gianluca</au><au>Mannelli, Italo</au><au>Michetti, Andrea</au><au>Cerri, Claudio</au><au>Fantechi, Riccardo</au><au>Bloch-Devaux, Brigitte</au><au>Cheshkov, Cvetan</au><au>Chèze, Jean-Baptiste</au><au>de Beer, Michel</au><au>Derré, Jacques</au><au>Marel, Gerard</au><au>Mazzucato, Eduardo</au><au>Peyaud, Bernard</au><au>Vallage, Bertrand</au><au>Holder, Martin</au><au>Ziolkowski, Michal</au><au>Bifani, Simone</au><au>Clemencic, Marco</au><au>Goy Lopez, Silvia</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>First observation and study of the $K^{\pm} \rightarrow \pi^{0} \pi^{0} \mu^{\pm} \nu$ decay</atitle><jtitle>The journal of high energy physics</jtitle><date>2024</date><risdate>2024</risdate><volume>3</volume><issn>1126-6708</issn><eissn>1029-8479</eissn><abstract>The NA48/2 experiment at CERN reports the first observation of the K$^{±}$ → π$^{0}$π$^{0}$μ$^{±}$ν decay based on a sample of 2437 candidates with 15% background contamination collected in 2003–2004. The decay branching ratio in the kinematic region of the squared dilepton mass above 0.03 GeV$^{2}$/c$^{4}$ is measured to be (0.65 ± 0.03) × 10$^{−6}$. The extrapolation to the full kinematic space, using a specific model, is found to be (3.45 ± 0.16) × 10$^{−6}$, in agreement with chiral perturbation theory predictions.</abstract><pub>Springer</pub><doi>10.1007/JHEP03(2024)137</doi></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 1126-6708 |
| ispartof | The journal of high energy physics, 2024, Vol.3 |
| issn | 1126-6708 1029-8479 |
| language | eng |
| recordid | cdi_hal_primary_oai_HAL_hal_04529541v1 |
| source | DOAJ Directory of Open Access Journals; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Springer Nature OA Free Journals; Alma/SFX Local Collection |
| subjects | High Energy Physics - Experiment Physics |
| title | First observation and study of the $K^{\pm} \rightarrow \pi^{0} \pi^{0} \mu^{\pm} \nu$ decay |
| url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-01-06T03%3A30%3A29IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-hal&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=First%20observation%20and%20study%20of%20the%20$K%5E%7B%5Cpm%7D%20%5Crightarrow%20%5Cpi%5E%7B0%7D%20%5Cpi%5E%7B0%7D%20%5Cmu%5E%7B%5Cpm%7D%20%5Cnu$%20decay&rft.jtitle=The%20journal%20of%20high%20energy%20physics&rft.au=Batley,%20John%20Richard&rft.date=2024&rft.volume=3&rft.issn=1126-6708&rft.eissn=1029-8479&rft_id=info:doi/10.1007/JHEP03(2024)137&rft_dat=%3Chal%3Eoai_HAL_hal_04529541v1%3C/hal%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_id=info:pmid/&rfr_iscdi=true |