首页> 外文期刊>Physical review letters >Observation of (B)over-bar -> D-(*()) pi(+)pi(-)l(-)(nu)over-bar Decays in e(+)e(-) Collisions at the Upsilon(4S) Resonance
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Observation of (B)over-bar -> D-(*()) pi(+)pi(-)l(-)(nu)over-bar Decays in e(+)e(-) Collisions at the Upsilon(4S) Resonance

机译:在Upsilon处e(+)e(-)碰撞中观察(B)横杠-> D-(*())pi(+)pi(-)l(-)(nu)横杠衰减4S)共鸣

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摘要

We report on measurements of the decays of (B) over bar mesons into the semileptonic final states (B) over bar -> D-(*())pi(+)pi(-)l(-)(nu) over bar, where D-(*()) represents a D or D* meson and l(-) is an electron or a muon. These measurements are based on 471 x 10(6) B (B) over bar pairs recorded with the BABAR detector at the SLAC asymmetric B factory PEP-II. We determine the branching fraction ratios R-pi+pi-(()*()) = B((B) over bar -> D-(*())pi(+)pi(-)l(-)(nu) over bar /B (B) over bar -> D-(*())l(-)(nu) over bar) using events in which the second B meson is fully reconstructed. We find R pi+pi- = 0.067 +/- 0.010 +/- 0.008 and R pi+pi-* = 0.019 +/- 0.005 +/- 0.004, where the first uncertainty is statistical and the second is systematic. Based on these results and assuming isospin invariance, we estimate that (B) over bar -> D-(*())pi pi l (nu) over bar decays, where pi denotes either a pi(+/-) and pi(0) meson, account for up to half the difference between the measured inclusive semileptonic branching fraction to charm hadrons and the corresponding sum of previously measured exclusive branching fractions.
机译:我们报告了在(bar)介子上进入半轻子最终状态(B)的过程-> D-(*())pi(+)pi(-)l(-)(nu)的测量结果,其中D-(*())表示D或D *介子,l(-)是电子或介子。这些测量基于在SLAC非对称B工厂PEP-II上用BABAR检测器记录的棒对上的471 x 10(6)B(B)。我们确定分支上的分支分数比R-pi + pi-(()*())= B((B)-> D-(*())pi(+)pi(-)l(-)(nu )上的条/ B(B)上的条-> D-(*())l(-)(nu上的条)),其中使用了第二个B介子被完全重建的事件。我们发现R pi + pi- = 0.067 +/- 0.010 +/- 0.008和R pi + pi- * = 0.019 +/- 0.005 +/- 0.004,其中第一个不确定度是统计的,第二个不确定度是系统的。基于这些结果并假设等位不变,我们估计(b)超过bar-> D-(*())pi pi l(nu)超过bar衰减,其中pi表示pi(+/-)和pi( 0)介子,最多占到测量到的魅力强子的包含半轻子分支分数与先前测量到的专有分支分数的总和之差的一半。

著录项

  • 来源
    《Physical review letters》 |2016年第4期|041801.1-041801.7|共7页
  • 作者

    Lees J. P.; Poireau V.; Tisserand V.; Grauges E.; Palano A.; Eigen G.; Stugu B.; Brown D. N.; Kerth L. T.; Kolomensky Yu. G.; Lee M. J.; Lynch G.; Koch H.; Schroeder T.; 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.; Lankford A. J.; Gary J. W.; Long O.; Sevilla M. Franco; Hong T. M.; Kovalskyi D.; Richman J. D.; West C. A.; Eisner A. M.; Lockman W. S.; Vazquez W. Panduro; Schumm B. A.; Seiden A.; Chao D. S.; Cheng C. H.; Echenard B.; Flood K. T.; Hitlin D. G.; Kim J.; Miyashita T. S.; Ongmongkolkul P.; Porter F. C.; Roehrken M.; Andreassen R.; Huard Z.; Meadows B. T.; Pushpawela B. G.; Sokoloff M. D.; Sun L.; Ford W. T.; Smith J. G.; Wagner S. R.; Ayad R.; Toki W. H.; Spaan B.; Bernard D.; Verderi M.; Playfer S.; Bettoni D.; Bozzi C.; Calabrese R.; Cibinetto G.; Fioravanti E.; Garzia I.; Luppi E.; Santoro V.; Calcaterra A.; de Sangro R.; Finocchiaro G.; Martellotti S.; Patteri P.; Peruzzi I. M.; Piccolo M.; Zallo A.; Contri R.; Monge M. R.; Passaggio S.; Patrignani C.; Bhuyan B.; Prasad V.; Adametz A.; Uwer U.; Lacker H. M.; Mallik U.; Chen C.; Cochran J.; Prell S.; Ahmed H.; Gritsan A. V.; Arnaud N.; Davier M.; Derkach D.; Grosdidier G.; Le Diberder F.; Lutz A. M.; Malaescu B.; Roudeau P.; Stocchi A.; Wormser G.; Lange D. J.; Wright D. M.; Coleman J. P.; Fry J. R.; Gabathuler E.; Hutchcroft D. E.; Payne D. J.; Touramanis C.; Bevan A. J.; Di Lodovico F.; Sacco R.; Cowan G.; Brown D. N.; Davis C. L.; Denig A. G.; Fritsch M.; Gradl W.; Griessinger K.; Hafner A.; Schubert K. R.; Barlow R. J.; Lafferty G. D.; Cenci R.; Hamilton B.; Jawahery A.; Roberts D. A.; Cowan R.; Cheaib R.; Patel P. M.; Robertson S. H.; Deya B.; Neria N.; Palomboa F.; Cremaldi L.; Godang R.; Summers D. J.; Simard M.; Taras P.; De Nardoa G.; Onoratoa G.; Sciaccaa C.; Raven G.; Jessop C. P.; LoSecco J. M.; Honscheid K.; Kass R.; Margonia M.; Morandina M.; Posoccoa M.; Rotondoa M.; Simia G.; Simonettoa F.; Stroilia R.; Akar S.; Ben-Haim E.; Bomben M.; Bonneaud G. R.; Briand H.; Calderini G.; Chauveau J.; Leruste Ph.; Marchiori G.; Ocariz J.; Biasinia M.; Manonia E.; Rossia A.; Angelinia C.; Batignania G.; Bettarinia S.; Carpinellia M.; Casarosaa G.; Chrzaszcza M.; Fortia F.; Giorgia M. A.; Lusiania A.; Oberhofa B.; Paolonia E.; Ramaa M.; Rizzoa G.; Walsha J. J.; Pegna D. Lopes; Olsen J.; Smith A. J. S.; Anullia F.; Faccinia R.; Ferrarottoa F.; Ferronia F.; Gasperoa M.; Pillonia A.; Pireddaa G.; Buenger C.; Dittrich S.; Gruenberg O.; Hess M.; Leddig T.; Voss C.; Waldi R.; Adye T.; Olaiya E. O.; Wilson F. F.; Emery S.; Vasseur G.; Aston D.; Bard D. J.; Cartaro C.; Convery M. R.; Dorfan J.; Dubois-Felsmann G. P.; Dunwoodie W.; Ebert M.; Field R. C.; Fulsom B. G.; Graham M. T.; Hast C.; Innes W. R.; Kim P.; Leith D. W. G. S.; Luitz S.; Luth V.; MacFarlane D. B.; Muller D. R.; Neal H.; Pulliam T.; Ratcliff B. N.; Roodman A.; Schindler R. H.; Snyder A.; Su D.; Sullivan M. K.; Vavra J.; Wisniewski W. J.; Wulsin H. W.; Purohit M. V.; Wilson J. R.; Randle-Conde A.; Sekula S. J.; Bellis M.; Burchat P. R.; 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.; Schwitters R. F.; Izen J. M.; Lou X. C.; Bianchia F.; De Moria F.; Filippia A.; Gambaa D.; Lanceria L.; Vitalea L.; Martinez-Vidal F.; Oyanguren A.; Albert J.; Banerjee Sw.; Beaulieu A.; Bernlochner F. U.; Choi H. H. F.; King G. J.; Kowalewski R.; Lewczuk M. J.; Lueck T.; 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.; Collaboration Babar;

  • 作者单位

    Univ Savoie, CNRS, IN2P3, LAPP, F-749412 Annecy Le Vieux, France;

    Univ Savoie, CNRS, IN2P3, LAPP, F-749412 Annecy Le Vieux, France;

    Univ Savoie, CNRS, IN2P3, LAPP, F-749412 Annecy Le Vieux, France;

    Univ Barcelona, Fac Fis, Dept ECM, E-08028 Barcelona, Spain;

    Ist Nazl Fis Nucl, Sez Bari, I-70126 Bari, Italy|Univ Bari, Dipartimento Fis, I-70126 Bari, Italy;

    Univ Bergen, Inst Phys, N-5007 Bergen, Norway;

    Univ Bergen, Inst Phys, N-5007 Bergen, Norway;

    Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA|Univ Calif Berkeley, Berkeley, CA 94720 USA;

    Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA|Univ Calif Berkeley, Berkeley, CA 94720 USA;

    Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA|Univ Calif Berkeley, Berkeley, CA 94720 USA;

    Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA|Univ Calif Berkeley, Berkeley, CA 94720 USA;

    Univ Calif Berkeley, Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA|Univ Calif Berkeley, Berkeley, CA 94720 USA;

    Ruhr Univ Bochum, Inst Expt Phys 1, D-44780 Bochum, Germany;

    Ruhr Univ Bochum, Inst Expt Phys 1, D-44780 Bochum, Germany;

    Univ British Columbia, Vancouver, BC V6T 1Z1, Canada;

    Univ British Columbia, Vancouver, BC V6T 1Z1, Canada;

    Univ British Columbia, Vancouver, BC V6T 1Z1, Canada;

    Univ British Columbia, Vancouver, BC V6T 1Z1, Canada;

    Brunel Univ, Uxbridge UB8 3PH, Middx, England;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia|Novosibirsk State Univ, Novosibirsk 630090, Russia|Novosibirsk State Tech Univ, Novosibirsk 630092, Russia;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia|Novosibirsk State Univ, Novosibirsk 630090, Russia;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia|Novosibirsk State Univ, Novosibirsk 630090, Russia;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia|Novosibirsk State Univ, Novosibirsk 630090, Russia;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia|Novosibirsk State Univ, Novosibirsk 630090, Russia|Novosibirsk State Tech Univ, Novosibirsk 630092, Russia;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia|Novosibirsk State Univ, Novosibirsk 630090, Russia;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia|Novosibirsk State Univ, Novosibirsk 630090, Russia;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia|Novosibirsk State Univ, Novosibirsk 630090, Russia;

    SB RAS, Budker Inst Nucl Phys, Novosibirsk 630090, Russia|Novosibirsk State Univ, Novosibirsk 630090, Russia;

    Univ Calif Irvine, Irvine, CA 92697 USA;

    Univ Calif Riverside, Riverside, CA 92521 USA;

    Univ Calif Riverside, Riverside, CA 92521 USA;

    Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA;

    Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA;

    Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA;

    Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA;

    Univ Calif Santa Barbara, Santa Barbara, CA 93106 USA;

    Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA;

    Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA;

    Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA;

    Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA;

    Univ Calif Santa Cruz, Inst Particle Phys, Santa Cruz, CA 95064 USA;

    CALTECH, Pasadena, CA 91125 USA;

    CALTECH, Pasadena, CA 91125 USA;

    CALTECH, Pasadena, CA 91125 USA;

    CALTECH, Pasadena, CA 91125 USA;

    CALTECH, Pasadena, CA 91125 USA;

    CALTECH, Pasadena, CA 91125 USA;

    CALTECH, Pasadena, CA 91125 USA;

    CALTECH, Pasadena, CA 91125 USA;

    CALTECH, Pasadena, CA 91125 USA;

    CALTECH, Pasadena, CA 91125 USA;

    Univ Cincinnati, Cincinnati, OH 45221 USA;

    Univ Cincinnati, Cincinnati, OH 45221 USA;

    Univ Cincinnati, Cincinnati, OH 45221 USA;

    Univ Cincinnati, Cincinnati, OH 45221 USA;

    Univ Cincinnati, Cincinnati, OH 45221 USA;

    Univ Cincinnati, Cincinnati, OH 45221 USA;

    Univ Colorado, Boulder, CO 80309 USA;

    Univ Colorado, Boulder, CO 80309 USA;

    Univ Colorado, Boulder, CO 80309 USA;

    Colorado State Univ, Ft Collins, CO 80523 USA|Univ Tabuk, Tabuk 71491, Saudi Arabia;

    Colorado State Univ, Ft Collins, CO 80523 USA;

    Tech Univ Dortmund, Fak Phys, D-44221 Dortmund, Germany;

    Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France;

    Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, F-91128 Palaiseau, France;

    Univ Edinburgh, Edinburgh EH9 3JZ, Midlothian, Scotland;

    INFN Sez Ferrara, I-44122 Ferrara, Italy;

    INFN Sez Ferrara, I-44122 Ferrara, Italy;

    INFN Sez Ferrara, I-44122 Ferrara, Italy|Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, Italy;

    INFN Sez Ferrara, I-44122 Ferrara, Italy|Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, Italy;

    INFN Sez Ferrara, I-44122 Ferrara, Italy|Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, Italy;

    INFN Sez Ferrara, I-44122 Ferrara, Italy|Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, Italy;

    INFN Sez Ferrara, I-44122 Ferrara, Italy|Univ Ferrara, Dipartimento Fis & Sci Terra, I-44122 Ferrara, Italy;

    INFN Sez Ferrara, I-44122 Ferrara, Italy;

    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy;

    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy;

    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy;

    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy;

    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy;

    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy;

    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy;

    Ist Nazl Fis Nucl, Lab Nazl Frascati, POB 13, I-00044 Frascati, Italy;

    Ist Nazl Fis Nucl, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy|Univ Genoa, Dipartimento Fis, Via Dodecaneso 33, I-16146 Genoa, Italy;

    Ist Nazl Fis Nucl, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy|Univ Genoa, Dipartimento Fis, Via Dodecaneso 33, I-16146 Genoa, Italy;

    Ist Nazl Fis Nucl, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy;

    Ist Nazl Fis Nucl, Sez Genova, Via Dodecaneso 33, I-16146 Genoa, Italy|Univ Genoa, Dipartimento Fis, Via Dodecaneso 33, I-16146 Genoa, Italy;

    Indian Inst Technol Guwahati, Gauhati 781039, Assam, India;

    Indian Inst Technol Guwahati, Gauhati 781039, Assam, India;

    Heidelberg Univ, Phys Inst, Neuenheimer Feld 230, D-69120 Heidelberg, Germany;

    Heidelberg Univ, Phys Inst, Neuenheimer Feld 230, D-69120 Heidelberg, Germany;

    Humboldt Univ, Inst Phys, D-12489 Berlin, Germany;

    Univ Iowa, Iowa City, IA 52242 USA;

    Iowa State Univ, Ames, IA 50011 USA;

    Iowa State Univ, Ames, IA 50011 USA;

    Iowa State Univ, Ames, IA 50011 USA;

    Jazan Univ, Dept Phys, Jazan 22822, Saudi Arabia;

    Johns Hopkins Univ, Baltimore, MD 21218 USA;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France|CNRS, IN2P3, Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France;

    CNRS, IN2P3, Lab Accelerateur Lineaire, F-91898 Orsay, France|Univ Paris 11, Ctr Sci Orsay, F-91898 Orsay, France;

    Lawrence Livermore Natl Lab, Livermore, CA 94550 USA;

    Lawrence Livermore Natl Lab, Livermore, CA 94550 USA;

    Univ Liverpool, Liverpool, Merseyside L69 7ZE, England;

    Univ Liverpool, Liverpool, Merseyside L69 7ZE, England;

    Univ Liverpool, Liverpool, Merseyside L69 7ZE, England;

    Univ Liverpool, Liverpool, Merseyside L69 7ZE, England;

    Univ Liverpool, Liverpool, Merseyside L69 7ZE, England;

    Univ Liverpool, Liverpool, Merseyside L69 7ZE, England;

    Univ London, Queen Mary, London E1 4NS, England;

    Univ London, Queen Mary, London E1 4NS, England;

    Univ London, Queen Mary, London E1 4NS, England;

    Univ London, Royal Holloway & Bedford New Coll, Egham TW20 0EX, Surrey, England;

    Univ Louisville, Louisville, KY 40292 USA;

    Univ Louisville, Louisville, KY 40292 USA;

    Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany;

    Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany;

    Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany;

    Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany;

    Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany;

    Johannes Gutenberg Univ Mainz, Inst Kernphys, D-55099 Mainz, Germany;

    Univ Manchester, Manchester M13 9PL, Lancs, England|Univ Huddersfield, Huddersfield HD1 3DH, W Yorkshire, England;

    Univ Manchester, Manchester M13 9PL, Lancs, England;

    Univ Maryland, College Pk, MD 20742 USA;

    Univ Maryland, College Pk, MD 20742 USA;

    Univ Maryland, College Pk, MD 20742 USA;

    Univ Maryland, College Pk, MD 20742 USA;

    MIT, Nucl Sci Lab, 77 Massachusetts Ave, Cambridge, MA 02139 USA;

    McGill Univ, Montreal, PQ H3A 2T8, Canada;

    McGill Univ, Montreal, PQ H3A 2T8, Canada;

    McGill Univ, Montreal, PQ H3A 2T8, Canada;

    Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy;

    Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy;

    Ist Nazl Fis Nucl, Sez Milano, I-20133 Milan, Italy|Univ Milan, Dipartimento Fis, Via Celoria 16, I-20133 Milan, Italy;

    Univ Mississippi, University, MS 38677 USA;

    Univ Mississippi, University, MS 38677 USA|Univ S Alabama, Mobile, AL 36688 USA;

    Univ Mississippi, University, MS 38677 USA;

    Univ Montreal, Phys Particules, Montreal, PQ H3C 3J7, Canada;

    Univ Montreal, Phys Particules, Montreal, PQ H3C 3J7, Canada;

    Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy|Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy;

    Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy|Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy;

    Ist Nazl Fis Nucl, Sez Napoli, I-80126 Naples, Italy|Univ Naples Federico II, Dipartimento Sci Fis, I-80126 Naples, Italy;

    Natl Inst Nucl Phys & High Energy, NIKHEF, NL-1009 DB Amsterdam, Netherlands;

    Univ Notre Dame, Notre Dame, IN 46556 USA;

    Univ Notre Dame, Notre Dame, IN 46556 USA;

    Ohio State Univ, Columbus, OH 43210 USA;

    Ohio State Univ, Columbus, OH 43210 USA;

    Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy|Univ Padua, Dipartimento Fis, I-35131 Padua, Italy;

    Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy;

    Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy;

    Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy;

    Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy|Univ Padua, Dipartimento Fis, I-35131 Padua, Italy;

    Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy|Univ Padua, Dipartimento Fis, I-35131 Padua, Italy;

    Ist Nazl Fis Nucl, Sez Padova, I-35131 Padua, Italy|Univ Padua, Dipartimento Fis, I-35131 Padua, Italy;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Univ Paris 07, Univ Paris 06, CNRS, IN2P3,Lab Phys Nucl & Hautes Energies, F-75252 Paris, France;

    Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy|Univ Perugia, Dipartimento Fis, I-06123 Perugia, Italy;

    Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy;

    Ist Nazl Fis Nucl, Sez Perugia, I-06123 Perugia, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy|Univ Sassari, I-07100 Sassari, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Scuola Normale Super Pisa, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy|Univ Pisa, Dipartimento Fis, I-56127 Pisa, Italy;

    Ist Nazl Fis Nucl, Sez Pisa, I-56127 Pisa, Italy;

    Princeton Univ, Princeton, NJ 08544 USA;

    Princeton Univ, Princeton, NJ 08544 USA;

    Princeton Univ, Princeton, NJ 08544 USA;

    Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy;

    Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy|Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy;

    Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy;

    Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy|Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy;

    Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy|Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy;

    Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy|Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy;

    Ist Nazl Fis Nucl, Sez Roma, I-00185 Rome, Italy;

    Univ Rostock, D-18051 Rostock, Germany;

    Univ Rostock, D-18051 Rostock, Germany;

    Univ Rostock, D-18051 Rostock, Germany;

    Univ Rostock, D-18051 Rostock, Germany;

    Univ Rostock, D-18051 Rostock, Germany;

    Univ Rostock, D-18051 Rostock, Germany;

    Univ Rostock, D-18051 Rostock, Germany;

    Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England;

    Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England;

    Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England;

    CEA, Irfu, SPP, Ctr Saclay, F-91191 Gif Sur Yvette, France;

    CEA, Irfu, SPP, Ctr Saclay, F-91191 Gif Sur Yvette, France;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Stanford Linear Accelerator Ctr, Natl Accelerator Lab, Stanford, CA 94309 USA;

    Univ S Carolina, Columbia, SC 29208 USA;

    Univ S Carolina, Columbia, SC 29208 USA;

    So Methodist Univ, Dallas, TX 75275 USA;

    So Methodist Univ, Dallas, TX 75275 USA;

    Stanford Univ, Stanford, CA 94305 USA;

    Stanford Univ, Stanford, CA 94305 USA;

    Stanford Univ, Stanford, CA 94305 USA;

    SUNY Albany, Albany, NY 12222 USA;

    SUNY Albany, Albany, NY 12222 USA;

    Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel;

    Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel;

    Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel;

    Tel Aviv Univ, Sch Phys & Astron, IL-69978 Tel Aviv, Israel;

    Univ Tennessee, Knoxville, TN 37996 USA;

    Univ Texas Austin, Austin, TX 78712 USA;

    Univ Texas Austin, Austin, TX 78712 USA;

    Univ Texas Dallas, Richardson, TX 75083 USA;

    Univ Texas Dallas, Richardson, TX 75083 USA;

    Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy|Univ Turin, Dipartimento Fis, I-10125 Turin, Italy;

    Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy|Univ Turin, Dipartimento Fis, I-10125 Turin, Italy;

    Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy;

    Ist Nazl Fis Nucl, Sez Torino, I-10125 Turin, Italy|Univ Turin, Dipartimento Fis, I-10125 Turin, Italy;

    Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy|Univ Trieste, Dipartmento Fis, I-34127 Trieste, Italy;

    Ist Nazl Fis Nucl, Sez Trieste, I-34127 Trieste, Italy|Univ Trieste, Dipartmento Fis, I-34127 Trieste, Italy;

    Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain;

    Univ Valencia, CSIC, IFIC, E-46071 Valencia, Spain;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Victoria, Victoria, BC V8W 3P6, Canada;

    Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England;

    Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England;

    Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England;

    Univ Wisconsin, Madison, WI 53706 USA;

    Univ Wisconsin, Madison, WI 53706 USA;

    Univ Wisconsin, Madison, WI 53706 USA;

    Univ Wisconsin, Madison, WI 53706 USA;

    Univ Wisconsin, Madison, WI 53706 USA;

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