Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle γ with B±→D (*)K(*)± decays

Lees J. P.; Poireau V.; Tisserand V.; Grauges E.; Palano A.; Eigen G.; Stugu B.; Brown D. N.; Kerth L. T.; Kolomensky Yu G.; Lynch G.; Koch H.; Schroeder T.; Asgeirsson D. J.; Hearty C.; Mattison T. S.; McKenna J. A.; So R. Y.; Khan A.; Blinov V. E.; Buzykaev A. R.; Druzhinin V. P.; Golubev V. B.; Kravchenko E. A.; Onuchin A. P.; Serednyakov S. I.; Skovpen Yu I.; Solodov E. P.; Todyshev K. Yu; Yushkov A. N.; Kirkby D.; Lankford A. J.; Mandelkern M.; Atmacan H.; Gary J. W.; Long O.; Vitug G. M.; Campagnari C.; Hong T. M.; Kovalskyi D.; Richman J. D.; West C. A.; Eisner A. M.; Kroseberg J.; Lockman W. S.; Martinez A. J.; Schumm B. A.; Seiden A.; Chao D. S.; Cheng C. H.; Echenard B.; Flood K. T.; Hitlin D. G.; Ongmongkolkul P.; Porter F. C.; Rakitin A. Y.; Andreassen R.; Huard Z.; Meadows B. T.; Sokoloff M. D.; Sun L.; Bloom P. C.; Ford W. T.; Gaz A.; Nauenberg U.; Smith J. G.; Wagner S. R.; Ayad R.; Toki W. H.; Karbach T. M.; Spaan B.; Schubert K. R.; Schwierz R.; Bernard D.; Verderi M.; Clark P. J.; Playfer S.; Bettoni D.; Bozzi C.; Calabrese R.; Cibinetto G.; Fioravanti E.; Garzia I.; Luppi E.; Piemontese L.; Santoro V.; Baldini Ferroli R.; Calcaterra A.; de Sangro R.; Finocchiaro G.; Patteri P.; Peruzzi I. M.; Piccolo M.; Rama M.; Zallo A.; Contri R.; Guido E.; Lo Vetere M.; Monge M. R.; Passaggio S.; Patrignani C.; Robutti E.; Bhuyan B.; Prasad V.; Morii M.; Adametz A.; Uwer U.; Lacker H. M.; Lueck T.; Dauncey P. D.; Mallik U.; Chen C.; Cochran J.; Meyer W. T.; Prell S.; Rubin A. E.; Gritsan A. V.; Arnaud N.; Davier M.; Derkach D.; Grosdidier G.; Le Diberder F.; Lutz A. M.; Malaescu B.; Roudeau P.; Schune M. H.; Stocchi A.; Wormser G.; Lange D. J.; Wright D. M.; Chavez C. A.; Coleman J. P.; Fry J. R.; Gabathuler E.; Hutchcroft D. E.; Payne D. J.; Touramanis C.; Bevan A. J.; Di Lodovico F.; Sacco R.; Sigamani M.; Cowan G.; Brown D. N.; Davis C. L.; Denig A. G.; Fritsch M.; Gradl W.; Griessinger K.; Hafner A.; Prencipe E.; Barlow R. J.; Jackson G.; Lafferty G. D.; Behn E.; Cenci R.; Hamilton B.; Jawahery A.; Roberts D. A.; Dallapiccola C.; Cowan R.; Dujmic D.; Sciolla G.; Cheaib R.; Lindemann D.; Patel P. M.; Robertson S. H.; Biassoni P.; Neri N.; Palombo F.; Stracka S.; Cremaldi L.; Godang R.; Kroeger R.; Sonnek P.; Summers D. J.; Nguyen X.; Simard M.; Taras P.; De Nardo G.; Monorchio D.; Onorato G.; Sciacca C.; Martinelli M.; Raven G.; Jessop C. P.; LoSecco J. M.; Wang W. F.; Honscheid K.; Kass R.; Brau J.; Frey R.; Sinev N. B.; Strom D.; Torrence E.; Feltresi E.; Gagliardi N.; Margoni M.; Morandin M.; Posocco M.; Rotondo M.; Simi G.; Simonetto F.; Stroili R.; Akar S.; Ben Haim E.; Bomben M.; Bonneaud G. R.; Briand H.; Calderini G.; Chauveau J.; Hamon O.; Leruste Ph; Marchiori G.; Ocariz J.; Sitt S.; Biasini M.; Manoni E.; Pacetti S.; Rossi A.; Angelini C.; Batignani G.; Bettarini S.; CARPINELLI, Massimo; Casarosa G.; Cervelli A.; Forti F.; Giorgi M. A.; Lusiani A.; Oberhof B.; Perez A.; Rizzo G.; Walsh J. J.; Pegna D. Lopes; Olsen J.; Smith A. J. S.; Anulli F.; Faccini R.; Ferrarotto F.; Ferroni F.; Gaspero M.; Gioi L. Li; Mazzoni M. A.; Piredda G.; Buenger C.; Gruenberg O.; Hartmann T.; Leddig T.; Voss C.; Waldi R.; Adye T.; Olaiya E. O.; Wilson F. F.; Emery S.; de Monchenault G. Hamel; Vasseur G.; Yeche Ch; Aston D.; Bartoldus R.; Benitez J. F.; Cartaro C.; Convery M. R.; Dorfan J.; Dubois Felsmann G. P.; Dunwoodie W.; Ebert M.; Field R. C.; Sevilla M. Franco; Fulsom B. G.; Gabareen A. M.; Graham M. T.; Grenier P.; Hast C.; Innes W. R.; Kelsey M. H.; Kim P.; Kocian M. L.; Leith D. W. G. S.; Lewis P.; Lindquist B.; Luitz S.; Luth V.; Lynch H. L.; MacFarlane D. B.; Muller D. R.; Neal H.; Nelson S.; Perl M.; Pulliam T.; Ratcliff B. N.; Roodman A.; Salnikov A. A.; Schindler R. H.; Snyder A.; Su D.; Sullivan M. K.; Va'vra J.; Wagner A. P.; Wisniewski W. J.; Wittgen M.; Wright D. H.; Wulsin H. W.; Young C. C.; Ziegler V.; Park W.; Purohit M. V.; White R. M.; Wilson J. R.; Randle Conde A.; Sekula S. J.; Bellis M.; Burchat P. R.; Miyashita T. S.; Puccio E. M. T.; Alam M. S.; Ernst J. A.; Gorodeisky R.; Guttman N.; Peimer D. R.; Soffer A.; Spanier S. M.; Ritchie J. L.; Ruland A. M.; Schwitters R. F.; Wray B. C.; Izen J. M.; Lou X. C.; Bianchi F.; Gamba D.; Zambito S.; Lanceri L.; Vitale L.; Martinez Vidal F.; Oyanguren A.; Villanueva Perez P.; Ahmed H.; Albert J.; Banerjee Sw; Bernlochner F. U.; Choi H. H. F.; King G. J.; Kowalewski R.; Lewczuk M. J.; Nugent I. M.; Roney J. M.; Sobie R. J.; Tasneem N.; Gershon T. J.; Harrison P. F.; Latham T. E.; Band H. R.; Dasu S.; Pan Y.; Prepost R.; Wu S. L.

doi:10.1103/PhysRevD.87.052015

We report the determination of the Cabibbo-Kobayashi-Maskawa CP-violating angle γ through the combination of various measurements involving B ±→DK±, B±→D *K±, and B±→DK *± decays performed by the BABAR experiment at the PEP-II e+e- collider at SLAC National Accelerator Laboratory. Using up to 474 million BB̄ pairs, we obtain γ=(69-16+17) modulo 180. The total uncertainty is dominated by the statistical component, with the experimental and amplitude-model systematic uncertainties amounting to ±4. The corresponding two-standard-deviation region is 41 <102. This result is inconsistent with γ=0 with a significance of 5.9 standard deviations.

Lees, J., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., et al. (2013). Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle γ with B±→D (*)K(*)± decays. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 87(5) [10.1103/PhysRevD.87.052015].

Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle γ with B±→D ()K()± decays

Lees J. P.;Poireau V.;Tisserand V.;Grauges E.;Palano A.;Eigen G.;Stugu B.;Brown D. N.;Kerth L. T.;Kolomensky Yu G.;Lynch G.;Koch H.;Schroeder T.;Asgeirsson D. J.;Hearty C.;Mattison T. S.;McKenna J. A.;So R. Y.;Khan A.;Blinov V. E.;Buzykaev A. R.;Druzhinin V. P.;Golubev V. B.;Kravchenko E. A.;Onuchin A. P.;Serednyakov S. I.;Skovpen Yu I.;Solodov E. P.;Todyshev K. Yu;Yushkov A. N.;Kirkby D.;Lankford A. J.;Mandelkern M.;Atmacan H.;Gary J. W.;Long O.;Vitug G. M.;Campagnari C.;Hong T. M.;Kovalskyi D.;Richman J. D.;West C. A.;Eisner A. M.;Kroseberg J.;Lockman W. S.;Martinez A. J.;Schumm B. A.;Seiden A.;Chao D. S.;Cheng C. H.;Echenard B.;Flood K. T.;Hitlin D. G.;Ongmongkolkul P.;Porter F. C.;Rakitin A. Y.;Andreassen R.;Huard Z.;Meadows B. T.;Sokoloff M. D.;Sun L.;Bloom P. C.;Ford W. T.;Gaz A.;Nauenberg U.;Smith J. G.;Wagner S. R.;Ayad R.;Toki W. H.;Karbach T. M.;Spaan B.;Schubert K. R.;Schwierz R.;Bernard D.;Verderi M.;Clark P. J.;Playfer S.;Bettoni D.;Bozzi C.;Calabrese R.;Cibinetto G.;Fioravanti E.;Garzia I.;Luppi E.;Piemontese L.;Santoro V.;Baldini Ferroli R.;Calcaterra A.;de Sangro R.;Finocchiaro G.;Patteri P.;Peruzzi I. M.;Piccolo M.;Rama M.;Zallo A.;Contri R.;Guido E.;Lo Vetere M.;Monge M. R.;Passaggio S.;Patrignani C.;Robutti E.;Bhuyan B.;Prasad V.;Morii M.;Adametz A.;Uwer U.;Lacker H. M.;Lueck T.;Dauncey P. D.;Mallik U.;Chen C.;Cochran J.;Meyer W. T.;Prell S.;Rubin A. E.;Gritsan A. V.;Arnaud N.;Davier M.;Derkach D.;Grosdidier G.;Le Diberder F.;Lutz A. M.;Malaescu B.;Roudeau P.;Schune M. H.;Stocchi A.;Wormser G.;Lange D. J.;Wright D. M.;Chavez C. A.;Coleman J. P.;Fry J. R.;Gabathuler E.;Hutchcroft D. E.;Payne D. J.;Touramanis C.;Bevan A. J.;Di Lodovico F.;Sacco R.;Sigamani M.;Cowan G.;Brown D. N.;Davis C. L.;Denig A. G.;Fritsch M.;Gradl W.;Griessinger K.;Hafner A.;Prencipe E.;Barlow R. J.;Jackson G.;Lafferty G. D.;Behn E.;Cenci R.;Hamilton B.;Jawahery A.;Roberts D. A.;Dallapiccola C.;Cowan R.;Dujmic D.;Sciolla G.;Cheaib R.;Lindemann D.;Patel P. M.;Robertson S. H.;Biassoni P.;Neri N.;Palombo F.;Stracka S.;Cremaldi L.;Godang R.;Kroeger R.;Sonnek P.;Summers D. J.;Nguyen X.;Simard M.;Taras P.;De Nardo G.;Monorchio D.;Onorato G.;Sciacca C.;Martinelli M.;Raven G.;Jessop C. P.;LoSecco J. M.;Wang W. F.;Honscheid K.;Kass R.;Brau J.;Frey R.;Sinev N. B.;Strom D.;Torrence E.;Feltresi E.;Gagliardi N.;Margoni M.;Morandin M.;Posocco M.;Rotondo M.;Simi G.;Simonetto F.;Stroili R.;Akar S.;Ben Haim E.;Bomben M.;Bonneaud G. R.;Briand H.;Calderini G.;Chauveau J.;Hamon O.;Leruste Ph;Marchiori G.;Ocariz J.;Sitt S.;Biasini M.;Manoni E.;Pacetti S.;Rossi A.;Angelini C.;Batignani G.;Bettarini S.;CARPINELLI, Massimo^{Membro del Collaboration Group};Casarosa G.;Cervelli A.;Forti F.;Giorgi M. A.;Lusiani A.;Oberhof B.;Perez A.;Rizzo G.;Walsh J. J.;Pegna D. Lopes;Olsen J.;Smith A. J. S.;Anulli F.;Faccini R.;Ferrarotto F.;Ferroni F.;Gaspero M.;Gioi L. Li;Mazzoni M. A.;Piredda G.;Buenger C.;Gruenberg O.;Hartmann T.;Leddig T.;Voss C.;Waldi R.;Adye T.;Olaiya E. O.;Wilson F. F.;Emery S.;de Monchenault G. Hamel;Vasseur G.;Yeche Ch;Aston D.;Bartoldus R.;Benitez J. F.;Cartaro C.;Convery M. R.;Dorfan J.;Dubois Felsmann G. P.;Dunwoodie W.;Ebert M.;Field R. C.;Sevilla M. Franco;Fulsom B. G.;Gabareen A. M.;Graham M. T.;Grenier P.;Hast C.;Innes W. R.;Kelsey M. H.;Kim P.;Kocian M. L.;Leith D. W. G. S.;Lewis P.;Lindquist B.;Luitz S.;Luth V.;Lynch H. L.;MacFarlane D. B.;Muller D. R.;Neal H.;Nelson S.;Perl M.;Pulliam T.;Ratcliff B. N.;Roodman A.;Salnikov A. A.;Schindler R. H.;Snyder A.;Su D.;Sullivan M. K.;Va'vra J.;Wagner A. P.;Wisniewski W. J.;Wittgen M.;Wright D. H.;Wulsin H. W.;Young C. C.;Ziegler V.;Park W.;Purohit M. V.;White R. M.;Wilson J. R.;Randle Conde A.;Sekula S. J.;Bellis M.;Burchat P. R.;Miyashita T. S.;Puccio E. M. T.;Alam M. S.;Ernst J. A.;Gorodeisky R.;Guttman N.;Peimer D. R.;Soffer A.;Spanier S. M.;Ritchie J. L.;Ruland A. M.;Schwitters R. F.;Wray B. C.;Izen J. M.;Lou X. C.;Bianchi F.;Gamba D.;Zambito S.;Lanceri L.;Vitale L.;Martinez Vidal F.;Oyanguren A.;Villanueva Perez P.;Ahmed H.;Albert J.;Banerjee Sw;Bernlochner F. U.;Choi H. H. F.;King G. J.;Kowalewski R.;Lewczuk M. J.;Nugent I. M.;Roney J. M.;Sobie R. J.;Tasneem N.;Gershon T. J.;Harrison P. F.;Latham T. E.;Band H. R.;Dasu S.;Pan Y.;Prepost R.;Wu S. L.

2013

Abstract

We report the determination of the Cabibbo-Kobayashi-Maskawa CP-violating angle γ through the combination of various measurements involving B ±→DK±, B±→D *K±, and B±→DK *± decays performed by the BABAR experiment at the PEP-II e+e- collider at SLAC National Accelerator Laboratory. Using up to 474 million BB̄ pairs, we obtain γ=(69-16+17) modulo 180. The total uncertainty is dominated by the statistical component, with the experimental and amplitude-model systematic uncertainties amounting to ±4. The corresponding two-standard-deviation region is 41 <102. This result is inconsistent with γ=0 with a significance of 5.9 standard deviations.

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			Scientifica
		
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			BABAR experiment
		
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			English
		
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			PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
		
	DOI dell'articolo
	
			https://dx.doi.org/10.1103/PhysRevD.87.052015
		
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			WOS:000316674300001
		
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			2-s2.0-84875462192
		
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			Carpinelli Massimo (BABAR Collaboration)
		
	Citazione
	
			Lees, J., Poireau, V., Tisserand, V., Grauges, E., Palano, A., Eigen, G., et al. (2013). Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle γ with B±→D (*)K(*)± decays. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 87(5) [10.1103/PhysRevD.87.052015].
		
	Tutti gli autori
	
			Lees, J; Poireau, V; Tisserand, V; Grauges, E; Palano, A; Eigen, G; Stugu, B; Brown, D; Kerth, L; Kolomensky Yu, G; Lynch, G; Koch, H; Schroeder, T; Asgeirsson, D; Hearty, C; Mattison, T; Mckenna, J; So, R; Khan, A; Blinov, V; Buzykaev, A; Druzhinin, V; Golubev, V; Kravchenko, E; Onuchin, A; Serednyakov, S; Skovpen Yu, I; Solodov, E; Todyshev K., Y; Yushkov, A; Kirkby, D; Lankford, A; Mandelkern, M; Atmacan, H; Gary, J; Long, O; Vitug, G; Campagnari, C; Hong, T; Kovalskyi, D; Richman, J; West, C; Eisner, A; Kroseberg, J; Lockman, W; Martinez, A; Schumm, B; Seiden, A; Chao, D; Cheng, C; Echenard, B; Flood, K; Hitlin, D; Ongmongkolkul, P; Porter, F; Rakitin, A; Andreassen, R; Huard, Z; Meadows, B; Sokoloff, M; Sun, L; Bloom, P; Ford, W; Gaz, A; Nauenberg, U; Smith, J; Wagner, S; Ayad, R; Toki, W; Karbach, T; Spaan, B; Schubert, K; Schwierz, R; Bernard, D; Verderi, M; Clark, P; Playfer, S; Bettoni, D; Bozzi, C; Calabrese, R; Cibinetto, G; Fioravanti, E; Garzia, I; Luppi, E; Piemontese, L; Santoro, V; Baldini Ferroli, R; Calcaterra, A; de Sangro, R; Finocchiaro, G; Patteri, P; Peruzzi, I; Piccolo, M; Rama, M; Zallo, A; Contri, R; Guido, E; Lo Vetere, M; Monge, M; Passaggio, S; Patrignani, C; Robutti, E; Bhuyan, B; Prasad, V; Morii, M; Adametz, A; Uwer, U; Lacker, H; Lueck, T; Dauncey, P; Mallik, U; Chen, C; Cochran, J; Meyer, W; Prell, S; Rubin, A; Gritsan, A; Arnaud, N; Davier, M; Derkach, D; Grosdidier, G; Le Diberder, F; Lutz, A; Malaescu, B; Roudeau, P; Schune, M; Stocchi, A; Wormser, G; Lange, D; Wright, D; Chavez, C; Coleman, J; Fry, J; Gabathuler, E; Hutchcroft, D; Payne, D; Touramanis, C; Bevan, A; Di Lodovico, F; Sacco, R; Sigamani, M; Cowan, G; Brown, D; Davis, C; Denig, A; Fritsch, M; Gradl, W; Griessinger, K; Hafner, A; Prencipe, E; Barlow, R; Jackson, G; Lafferty, G; Behn, E; Cenci, R; Hamilton, B; Jawahery, A; Roberts, D; Dallapiccola, C; Cowan, R; Dujmic, D; Sciolla, G; Cheaib, R; Lindemann, D; Patel, P; Robertson, S; Biassoni, P; Neri, N; Palombo, F; Stracka, S; Cremaldi, L; Godang, R; Kroeger, R; Sonnek, P; Summers, D; Nguyen, X; Simard, M; Taras, P; De Nardo, G; Monorchio, D; Onorato, G; Sciacca, C; Martinelli, M; Raven, G; Jessop, C; Losecco, J; Wang, W; Honscheid, K; Kass, R; Brau, J; Frey, R; Sinev, N; Strom, D; Torrence, E; Feltresi, E; Gagliardi, N; Margoni, M; Morandin, M; Posocco, M; Rotondo, M; Simi, G; Simonetto, F; Stroili, R; Akar, S; Ben Haim, E; Bomben, M; Bonneaud, G; Briand, H; Calderini, G; Chauveau, J; Hamon, O; Leruste, P; Marchiori, G; Ocariz, J; Sitt, S; Biasini, M; Manoni, E; Pacetti, S; Rossi, A; Angelini, C; Batignani, G; Bettarini, S; Carpinelli, M; Casarosa, G; Cervelli, A; Forti, F; Giorgi, M; Lusiani, A; Oberhof, B; Perez, A; Rizzo, G; Walsh, J; Pegna D., L; Olsen, J; Smith, A; Anulli, F; Faccini, R; Ferrarotto, F; Ferroni, F; Gaspero, M; Gioi L., L; Mazzoni, M; Piredda, G; Buenger, C; Gruenberg, O; Hartmann, T; Leddig, T; Voss, C; Waldi, R; Adye, T; Olaiya, E; Wilson, F; Emery, S; de Monchenault G., H; Vasseur, G; Yeche, C; Aston, D; Bartoldus, R; Benitez, J; Cartaro, C; Convery, M; Dorfan, J; Dubois Felsmann, G; Dunwoodie, W; Ebert, M; Field, R; Sevilla M., F; Fulsom, B; Gabareen, A; Graham, M; Grenier, P; Hast, C; Innes, W; Kelsey, M; Kim, P; Kocian, M; Leith, D; Lewis, P; Lindquist, B; Luitz, S; Luth, V; Lynch, H; Macfarlane, D; Muller, D; Neal, H; Nelson, S; Perl, M; Pulliam, T; Ratcliff, B; Roodman, A; Salnikov, A; Schindler, R; Snyder, A; Su, D; Sullivan, M; Va'Vra, J; Wagner, A; Wisniewski, W; Wittgen, M; Wright, D; Wulsin, H; Young, C; Ziegler, V; Park, W; Purohit, M; White, R; Wilson, J; Randle Conde, A; Sekula, S; Bellis, M; Burchat, P; Miyashita, T; Puccio, E; Alam, M; Ernst, J; Gorodeisky, R; Guttman, N; Peimer, D; Soffer, A; Spanier, S; Ritchie, J; Ruland, A; Schwitters, R; Wray, B; Izen, J; Lou, X; Bianchi, F; Gamba, D; Zambito, S; Lanceri, L; Vitale, L; Martinez Vidal, F; Oyanguren, A; Villanueva Perez, P; Ahmed, H; Albert, J; Banerjee, S; Bernlochner, F; Choi, H; King, G; Kowalewski, R; Lewczuk, M; Nugent, I; Roney, J; Sobie, R; Tasneem, N; Gershon, T; Harrison, P; Latham, T; Band, H; Dasu, S; Pan, Y; Prepost, R; Wu, S
		
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Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle γ with B±→D ()K()± decays

Membro del Collaboration Group

2013

Abstract

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Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle γ with B±→D (*)K(*)± decays

Membro del Collaboration Group

2013

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Observation of direct CP violation in the measurement of the Cabibbo-Kobayashi-Maskawa angle γ with B±→D ()K()± decays

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