Study of the reaction e+e- →ψ (2S)π+π- via initial-state radiation at BaBar

Lees, J.P.; Poireau, V.; Tisserand, V.; Garra Tico, J.; Grauges, E.; Palano, A.; Eigen, G.; Stugu, B.; Brown, D.N.; Kerth, L.T.; Kolomensky, Y.G.; Lynch, G.; Koch, H.; Schroeder, T.; Asgeirsson, D.J.; Hearty, C.; Mattison, T.S.; Mckenna, J.A.; R. Y., S.; Khan, A.; Blinov, V.E.; Buzykaev, A.R.; Druzhinin, V.P.; Golubev, V.B.; Kravchenko, E.A.; Onuchin, A.P.; Serednyakov, S.I.; Skovpen, Y.I.; Solodov, E.P.; Todyshev, K.Y.; Yushkov, A.N.; Bondioli, M.; Kirkby, D.; Lankford, A.J.; Mandelkern, M.; Atmacan, H.; Gary, J.W.; Liu, F.; 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.; 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.; Munerato, M.; Negrini, M.; 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.; Lee, C.L.; Morii, M.; Edwards, A.J.; Adametz, A.; Uwer, U.; Lacker, H.M.; Lueck, T.; Dauncey, P.D.; Behera, P.K.; Mallik, U.; Chen, C.; Cochran, J.; Meyer, W.T.; Prell, S.; Rubin, A.E.; Gritsan, A.V.; Guo, Z.J.; 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, 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.A.; Lusiani, A.; Oberhof, B.; Paoloni, E.; Perez, A.; Rizzo, G.; Walsh, J.J.; Lopes Pegna, D.; Olsen, J.; Smith, A.J.S.; Telnov, A.V.; Anulli, F.; Faccini, R.; Ferrarotto, F.; Ferroni, F.; Gaspero, M.; Li Gioi, L.; Mazzoni, M.A.; Piredda, G.; Bünger, C.; Grünberg, O.; Hartmann, T.; Leddig, T.; Schröder, H.; Voß, C.; Waldi, R.; Adye, T.; Olaiya, E.O.; Wilson, F.F.; Emery, S.; Hamel De Monchenault, G.; Vasseur, G.; Yèche, C.; Aston, D.; Bard, D.J.; Bartoldus, R.; Benitez, J.F.; Cartaro, C.; Convery, M.R.; Dorfan, J.; Dubois Felsmann, G.P.; Dunwoodie, W.; Ebert, M.; Field, R.C.; Franco Sevilla, M.; 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.; Alam, M.S.; Ernst, J.A.; Gorodeisky, R.; Guttman, N.; Peimer, D.R.; Soffer, A.; Lund, P.; 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.; Ahmed, H.; Albert, J.; Banerjee, S.; 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.; Puccio, E.M.T.; Band, H.R.; Dasu, S.; Pan, Y.; Prepost, R.; S. L., W.

doi:10.1103/PhysRevD.89.111103

We study the process e+e-→ψ(2S)π+π- with initial-state-radiation events produced at the PEP-II asymmetric-energy collider. The data were recorded with the BABAR detector at center-of-mass energies at and near the (nS) (n=2,3,4) resonances and correspond to an integrated luminosity of 520fb-1. We investigate the ψ(2S)π+π- mass distribution from 3.95 to 5.95GeV/c2, and measure the center-of-mass energy dependence of the associated e+e-→ψ(2S)π+π- cross section. The mass distribution exhibits evidence of two resonant structures. A fit to the ψ(2S)π+π- mass distribution corresponding to the decay mode ψ(2S)→J/ψπ+π- yields a mass value of 4340±16(stat) ±9(syst)MeV/c2 and a width of 94±32(stat)±13(syst)MeV for the first resonance, and for the second a mass value of 4669±21(stat) ±3(syst)MeV/c2 and a width of 104±48(stat)±10(syst)MeV. In addition, we show the π+π- mass distributions for these resonant regions.

Study of the reaction e+e- →ψ (2S)π+π- via initial-state radiation at BaBar / J.P. Lees, V. Poireau, V. Tisserand, J. Garra Tico, E. Grauges, A. Palano, G. Eigen, B. Stugu, D.N. Brown, L.T. Kerth, Y.G. Kolomensky, G. Lynch, H. Koch, T. Schroeder, D.J. Asgeirsson, C. Hearty, T.S. Mattison, J.A. Mckenna, R.Y. So, A. Khan, V.E. Blinov, A.R. Buzykaev, V.P. Druzhinin, V.B. Golubev, E.A. Kravchenko, A.P. Onuchin, S.I. Serednyakov, Y.I. Skovpen, E.P. Solodov, K.Y. Todyshev, A.N. Yushkov, M. Bondioli, D. Kirkby, A.J. Lankford, M. Mandelkern, H. Atmacan, J.W. Gary, F. Liu, O. Long, G.M. Vitug, C. Campagnari, T.M. Hong, D. Kovalskyi, J.D. Richman, C.A. West, A.M. Eisner, J. Kroseberg, W.S. Lockman, A.J. Martinez, B.A. Schumm, A. Seiden, D.S. Chao, C.H. Cheng, B. Echenard, K.T. Flood, D.G. Hitlin, P. Ongmongkolkul, F.C. Porter, A.Y. Rakitin, R. Andreassen, Z. Huard, B.T. Meadows, M.D. Sokoloff, L. Sun, P.C. Bloom, W.T. Ford, A. Gaz, U. Nauenberg, J.G. Smith, S.R. Wagner, R. Ayad, W.H. Toki, B. Spaan, K.R. Schubert, R. Schwierz, D. Bernard, M. Verderi, P.J. Clark, S. Playfer, D. Bettoni, C. Bozzi, R. Calabrese, G. Cibinetto, E. Fioravanti, I. Garzia, E. Luppi, M. Munerato, M. Negrini, L. Piemontese, V. Santoro, R. Baldini-Ferroli, A. Calcaterra, R. De Sangro, G. Finocchiaro, P. Patteri, I.M. Peruzzi, M. Piccolo, M. Rama, A. Zallo, R. Contri, E. Guido, M. Lo Vetere, M.R. Monge, S. Passaggio, C. Patrignani, E. Robutti, B. Bhuyan, V. Prasad, C.L. Lee, M. Morii, A.J. Edwards, A. Adametz, U. Uwer, H.M. Lacker, T. Lueck, P.D. Dauncey, P.K. Behera, U. Mallik, C. Chen, J. Cochran, W.T. Meyer, S. Prell, A.E. Rubin, A.V. Gritsan, Z.J. Guo, N. Arnaud, M. Davier, D. Derkach, G. Grosdidier, F. Le Diberder, A.M. Lutz, B. Malaescu, P. Roudeau, M.H. Schune, A. Stocchi, G. Wormser, D.J. Lange, D.M. Wright, C.A. Chavez, J.P. Coleman, J.R. Fry, E. Gabathuler, D.E. Hutchcroft, D.J. Payne, C. Touramanis, A.J. Bevan, F. Di Lodovico, R. Sacco, M. Sigamani, G. Cowan, D.N. Brown, C.L. Davis, A.G. Denig, M. Fritsch, W. Gradl, K. Griessinger, A. Hafner, E. Prencipe, R.J. Barlow, G. Jackson, G.D. Lafferty, E. Behn, R. Cenci, B. Hamilton, A. Jawahery, D.A. Roberts, C. Dallapiccola, R. Cowan, D. Dujmic, G. Sciolla, R. Cheaib, D. Lindemann, P.M. Patel, S.H. Robertson, P. Biassoni, N. Neri, F. Palombo, S. Stracka, L. Cremaldi, R. Godang, R. Kroeger, P. Sonnek, D.J. Summers, X. Nguyen, M. Simard, P. Taras, G. De Nardo, D. Monorchio, G. Onorato, C. Sciacca, M. Martinelli, G. Raven, C.P. Jessop, J.M. Losecco, W.F. Wang, K. Honscheid, R. Kass, J. Brau, R. Frey, N.B. Sinev, D. Strom, E. Torrence, E. Feltresi, N. Gagliardi, M. Margoni, M. Morandin, M. Posocco, M. Rotondo, G. Simi, F. Simonetto, R. Stroili, S. Akar, E. Ben-Haim, M. Bomben, G.R. Bonneaud, H. Briand, G. Calderini, J. Chauveau, O. Hamon, P. Leruste, G. Marchiori, J. Ocariz, S. Sitt, M. Biasini, E. Manoni, S. Pacetti, A. Rossi, C. Angelini, G. Batignani, S. Bettarini, M. Carpinelli, G. Casarosa, A. Cervelli, F. Forti, M.A. Giorgi, A. Lusiani, B. Oberhof, E. Paoloni, A. Perez, G. Rizzo, J.J. Walsh, D. Lopes Pegna, J. Olsen, A.J.S. Smith, A.V. Telnov, F. Anulli, R. Faccini, F. Ferrarotto, F. Ferroni, M. Gaspero, L. Li Gioi, M.A. Mazzoni, G. Piredda, C. Bünger, O. Grünberg, T. Hartmann, T. Leddig, H. Schröder, C. Voß, R. Waldi, T. Adye, E.O. Olaiya, F.F. Wilson, S. Emery, G. Hamel De Monchenault, G. Vasseur, C. Yèche, D. Aston, D.J. Bard, R. Bartoldus, J.F. Benitez, C. Cartaro, M.R. Convery, J. Dorfan, G.P. Dubois-Felsmann, W. Dunwoodie, M. Ebert, R.C. Field, M. Franco Sevilla, B.G. Fulsom, A.M. Gabareen, M.T. Graham, P. Grenier, C. Hast, W.R. Innes, M.H. Kelsey, P. Kim, M.L. Kocian, D.W.G.S. Leith, P. Lewis, B. Lindquist, S. Luitz, V. Luth, H.L. Lynch, D.B. Macfarlane, D.R. Muller, H. Neal, S. Nelson, M. Perl, T. Pulliam, B.N. Ratcliff, A. Roodman, A.A. Salnikov, R.H. Schindler, A. Snyder, D. Su, M.K. Sullivan, J. Va'Vra, A.P. Wagner, W.J. Wisniewski, M. Wittgen, D.H. Wright, H.W. Wulsin, C.C. Young, V. Ziegler, W. Park, M.V. Purohit, R.M. White, J.R. Wilson, A. Randle-Conde, S.J. Sekula, M. Bellis, P.R. Burchat, T.S. Miyashita, M.S. Alam, J.A. Ernst, R. Gorodeisky, N. Guttman, D.R. Peimer, A. Soffer, P. Lund, S.M. Spanier, J.L. Ritchie, A.M. Ruland, R.F. Schwitters, B.C. Wray, J.M. Izen, X.C. Lou, F. Bianchi, D. Gamba, S. Zambito, L. Lanceri, L. Vitale, F. Martinez-Vidal, A. Oyanguren, H. Ahmed, J. Albert, S. Banerjee, F.U. Bernlochner, H.H.F. Choi, G.J. King, R. Kowalewski, M.J. Lewczuk, I.M. Nugent, J.M. Roney, R.J. Sobie, N. Tasneem, T.J. Gershon, P.F. Harrison, T.E. Latham, E.M.T. Puccio, H.R. Band, S. Dasu, Y. Pan, R. Prepost, S.L. Wu. - In: PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY. - ISSN 1550-7998. - 89:11(2015 Jan 25), pp. 111103.1-111103.8. [10.1103/PhysRevD.89.111103]

Study of the reaction e+e- →ψ (2S)π+π- via initial-state radiation at BaBar

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

2015

Abstract

We study the process e+e-→ψ(2S)π+π- with initial-state-radiation events produced at the PEP-II asymmetric-energy collider. The data were recorded with the BABAR detector at center-of-mass energies at and near the (nS) (n=2,3,4) resonances and correspond to an integrated luminosity of 520fb-1. We investigate the ψ(2S)π+π- mass distribution from 3.95 to 5.95GeV/c2, and measure the center-of-mass energy dependence of the associated e+e-→ψ(2S)π+π- cross section. The mass distribution exhibits evidence of two resonant structures. A fit to the ψ(2S)π+π- mass distribution corresponding to the decay mode ψ(2S)→J/ψπ+π- yields a mass value of 4340±16(stat) ±9(syst)MeV/c2 and a width of 94±32(stat)±13(syst)MeV for the first resonance, and for the second a mass value of 4669±21(stat) ±3(syst)MeV/c2 and a width of 104±48(stat)±10(syst)MeV. In addition, we show the π+π- mass distributions for these resonant regions.

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	Settori scientifico-disciplinari dell'articolo (sola visualizzazione)
	
				Settore FIS/04 - Fisica Nucleare e Subnucleare
			
	Data di pubblicazione
	
				25-gen-2015
			
	Rivista in ANCE
	
				PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
			
	DOI
	
				https://dx.doi.org/10.1103/PhysRevD.89.111103
			
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