Measurement of CP-violation asymmetries in D-0 -> K-S(0)pi(+)pi(-)

Aaltonen, T; Gonzalez, Ba; Amerio, S; Amidei, D; Anastassov, A; Annovi, A; Antos, J; Apollinari, G; Appel, Ja; Arisawa, T; Artikov, A; Asaadi, J; Ashmanskas, W; Auerbach, B; Aurisano, A; Azfar, F; Badgett, W; Bae, T; Barbaro Galtieri, A; Barnes, Ve; Barnett, Ba; Barria, P; Bartos, P; Bauce, M; Bedeschi, F; Behari, S; Bellettini, G; Bellinger, J; Benjamin, D; Beretvas, A; Bhatti, A; Bisello, D; Bizjak, I; Bland, Kr; Blumenfeld, B; Bocci, A; Bodek, A; Bortoletto, D; Boudreau, J; Boveia, A; Brigliadori, L; Bromberg, C; Brucken, E; Budagov, J; Budd, Hs; Burkett, K; Busetto, G; Bussey, P; Buzatu, A; Calamba, A; Calancha, C; Camarda, S; Campanelli, M; Campbell, M; Canelli, F; Carls, B; Carlsmith, D; Carosi, R; Carrillo, S; Carron, S; Casal, B; Casarsa, M; Castro, A; Catastini, P; Cauz, D; Cavaliere, V; Cavalli Sforza, M; Cerri, A; Cerrito, L; Chen, Yc; Chertok, M; Chiarelli, G; Chlachidze, G; Chlebana, F; Cho, K; Chokheli, D; Chung, Wh; Chung, Ys; Ciocci, Ma; Clark, A; Clarke, C; Compostella, G; 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doi:10.1103/PhysRevD.86.032007

We report a measurement of time-integrated CP-violation asymmetries in the resonant substructure of the three-body decay D-0 -> K-S(0)pi(+)pi(-) using CDF II data corresponding to 6.0 fb(-1) of integrated luminosity from Tevatron p (p) over bar collisions at root s = 1.96 TeV. The charm mesons used in this analysis come from D*+(2010) -> D-0 pi(+) and D*-(2010) -> (D) over bar (0)pi(-), where the production flavor of the charm meson is determined by the charge of the accompanying pion. We apply a Dalitz-amplitude analysis for the description of the dynamic decay structure and use two complementary approaches, namely, a full Dalitz-plot fit employing the isobar model for the contributing resonances and a model-independent bin-by-bin comparison of the D-0 and (D) over bar (0) Dalitz plots. We find no CP-violation effects and measure an asymmetry of A(CP) = (-0.05 +/- 0.57(stat) +/- 0.54(syst))% for the overall integrated CP-violation asymmetry, consistent with the standard model prediction. RI song, hao/I-2782-2012

Digital Object Identifier (DOI):	http://dx.doi.org/10.1103/PhysRevD.86.032007
Codice identificativo ISI:	WOS:000307442500002
Codice identificativo Scopus:	2-s2.0-84865238310
Handle:	http://hdl.handle.net/11695/5461
Abstract:	We report a measurement of time-integrated CP-violation asymmetries in the resonant substructure of the three-body decay D-0 -> K-S(0)pi(+)pi(-) using CDF II data corresponding to 6.0 fb(-1) of integrated luminosity from Tevatron p (p) over bar collisions at root s = 1.96 TeV. The charm mesons used in this analysis come from D+(2010) -> D-0 pi(+) and D-(2010) -> (D) over bar (0)pi(-), where the production flavor of the charm meson is determined by the charge of the accompanying pion. We apply a Dalitz-amplitude analysis for the description of the dynamic decay structure and use two complementary approaches, namely, a full Dalitz-plot fit employing the isobar model for the contributing resonances and a model-independent bin-by-bin comparison of the D-0 and (D) over bar (0) Dalitz plots. We find no CP-violation effects and measure an asymmetry of A(CP) = (-0.05 +/- 0.57(stat) +/- 0.54(syst))% for the overall integrated CP-violation asymmetry, consistent with the standard model prediction. RI song, hao/I-2782-2012
Titolo:	Measurement of CP-violation asymmetries in D-0 -> K-S(0)pi(+)pi(-)
Autori:	Aaltonen T Gonzalez BA Amerio S Amidei D Anastassov A Annovi A Antos J Apollinari G Appel JA Arisawa T Artikov A Asaadi J Ashmanskas W Auerbach B Aurisano A Azfar F Badgett W Bae T Barbaro Galtieri A Barnes VE Barnett BA Barria P Bartos P Bauce M Bedeschi F Behari S Bellettini G Bellinger J Benjamin D Beretvas A Bhatti A Bisello D Bizjak I Bland KR Blumenfeld B Bocci A Bodek A Bortoletto D Boudreau J Boveia A Brigliadori L Bromberg C Brucken E Budagov J Budd HS Burkett K Busetto G Bussey P Buzatu A Calamba A Calancha C Camarda S Campanelli M Campbell M Canelli F Carls B Carlsmith D Carosi R Carrillo S Carron S Casal B Casarsa M Castro A Catastini P Cauz D Cavaliere V Cavalli Sforza M Cerri A Cerrito L Chen YC Chertok M Chiarelli G Chlachidze G Chlebana F Cho K Chokheli D Chung WH Chung YS Ciocci MA Clark A Clarke C Compostella G Convery ME Conway J Corbo M Cordelli M Cox CA Cox DJ Crescioli F Cuevas J Culbertson R Dagenhart D d'Ascenzo N Datta M de Barbaro P Dell'Orso M Demortier L Deninno M Devoto F d'Errico M Di Canto A Di Ruzza B Dittmann JR D'Onofrio M Donati S Dong P Dorigo M Dorigo T Ebina K Elagin A Eppig A Erbacher R Errede S Ershaidat N Eusebi R Farrington S Feindt M Fernandez JP Field R Flanagan G Forrest R Frank MJ Franklin M Freeman JC Funakoshi Y Furic I Gallinaro M Garcia JE Garfinkel AF Garosi P Gerberich H Gerchtein E Giagu S Giakoumopoulou V Giannetti P Gibson K Ginsburg CM Giokaris N Giromini P Giurgiu G Glagolev V Glenzinski D Gold M Goldin D Goldschmidt N Golossanov A Gomez G Gomez Ceballos G Goncharov M Gonzalez O Gorelov I Goshaw AT Goulianos K Grinstein S Grosso Pilcher C Group RC da Costa JG Hahn SR Halkiadakis E Hamaguchi A Han JY Happacher F Hara K Hare D Hare M Harr RF Hatakeyama K Hays C Heck M Heinrich J Herndon M Hewamanage S Hocker A Hopkins W Horn D Hou S Hughes RE Hurwitz M Husemann U Hussain N Hussein M Huston J Introzzi G Iori M Ivanov A James E Jang D Jayatilaka B Jeon EJ Jindariani S Jones M Joo KK Jun SY Junk TR Kamon T Karchin PE Kasmi A Kato Y Ketchum W Keung J Khotilovich V Kilminster B Kim DH Kim HS Kim JE Kim MJ Kim SB Kim SH Kim YK Kim YJ Kimura N Kirby M Klimenko S Knoepfel K Kondo K Kong DJ Konigsberg J Kotwal AV Kreps M Kroll J Krop D Kruse M Krutelyov V Kuhr T Kurata M Kwang S Laasanen AT Lami S Lammel S Lancaster M Lander RL Lannon K Lath A Latino G LeCompte T Lee E Lee HS Lee JS Lee SW Leo S Leone S Lewis JD Limosani A Lin CJ Lindgren M Lipeles E Lister A Litvintsev DO Liu C Liu H Liu Q Liu T Lockwitz S Loginov A Lucchesi D Lueck J Lujan P Lukens P Lungu G Lys J Lysak R Madrak R Maeshima K Maestro P Malik S Manca G Manousakis Katsikakis A Margaroli F Marino C Martinez M Mastrandrea P Matera K Mattson ME Mazzacane A Mazzanti P McFarland KS McIntyre P McNulty R Mehta A Mehtala P Mesropian C Miao T Mietlicki D Mitra A Miyake H Moed S Moggi N Mondragon MN Moon CS Moore R Morello MJ Morlock J Fernandez PM Mukherjee A Muller T Murat P Mussini M Nachtman J Nagai Y Naganoma J Nakano I Napier A Nett J Neu C Neubauer MS Nielsen J Nodulman L Noh SY Norniella O Oakes L Oh SH Oh YD Oksuzian I Okusawa T Orava R Ortolan L Griso SP Pagliarone C Palencia E Papadimitriou V Paramonov AA Patrick J Pauletta G Paulini M Paus C Pellett DE Penzo A Phillips TJ PIACENTINO, Giovanni Maria Pianori E Pilot J Pitts K Plager C Pondrom L Poprocki S Potamianos K Prokoshin F Pranko A Ptohos F Punzi G Rahaman A Ramakrishnan V Ranjan N Redondo I Renton P Rescigno M Riddick T Rimondi F Ristori L Robson A Rodrigo T Rodriguez T Rogers E Rolli S Roser R Ruffini F Ruiz A Russ J Rusu V Safonov A Sakumoto WK Sakurai Y Santi L Sato K Saveliev V Savoy Navarro A Schlabach P Schmidt A Schmidt EE Schwarz T Scodellaro L Scribano A Scuri F Seidel S Seiya Y Semenov A Sforza F Shalhout SZ Shears T Shepard PF Shimojima M Shochet M Shreyber Tecker I Simonenko A Sinervo P Sliwa K Smith JR Snider FD Soha A Sorin V Song H Squillacioti P Stancari M St Denis R Stelzer B Stelzer Chilton O Stentz D Strologas J Strycker GL Sudo Y Sukhanov A Suslov I Takemasa K Takeuchi Y Tang J Tecchio M Teng PK Thom J Thome J Thompson GA Thomson E Toback D Tokar S Tollefson K Tomura T Tonelli D Torre S Torretta D Totaro P Trovato M Ukegawa F Uozumi S Varganov A Vazquez F Velev G Vellidis C Vidal M Vila I Vilar R Vizan J Vogel M Volpi G Wagner P Wagner RL Wakisaka T Wallny R Wang SM Warburton A Waters D Wester WC Whiteson D Wicklund AB Wicklund E Wilbur S Wick F Williams HH Wilson JS Wilson P Winer BL Wittich P Wolbers S Wolfe H Wright T Wu X Wu Z Yamamoto K Yamato D Yang T Yang UK Yang YC Yao WM Yeh GP Yi K Yoh J Yorita K Yoshida T Yu GB Yu I Yu SS Yun JC Zanetti A Zeng Y Zhou C Zucchelli S. mostra contributor esterni nascondi contributor esterni
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