Addendum: Observation of double charm production involving open charm in pp collisions at $ \sqrt{s} $ = 7 TeV

F. Abe;H. Akimoto;A. Akopian;M. Albrow;S. Amendolia;D. Amidei;J. Antoš;S. Aota;G. Apollinari;T. Asakawa;W. Ashmanskas;M. Ataç;F. Azfar;P. Azzi;N. Bacchetta;W. Badgett;S. Bagdasarov;M. Bailey;J. Bao;P. Barbaro;A. Barbaro;V. Barnes;B. Barnett;M. Barone;E. Barzi;G. Bauer;T. Baumann;F. Bedeschi;S. Behrends;S. Belforte;G. Bellettini;J. Bellinger;D. Benjamin;J. Benlloch;J. Bensinger;D. Benton;A. Beretvas;J. P. Berge;J. Berryhill;S. Bertolucci;B. Bevensee;A. Bhatti;K. Biery;M. Binkley;D. Bisello;R. Blair;C. Blocker;A. Bodek;W. Bokhari;V. Bolognesi;G. Bolla;Daniela Bortoletto;J. Boudreau;L. Breccia;C. Bromberg;N. Bruner;E. Buckley;H. Budd;K. Burkett;G. Busetto;A. Byon;K. Byrum;J. Cammerata;C. Campagnari;M. Campbell;A. Caner;W. Carithers;D. Carlsmith;A. Castro;D. Cauz;Y. Cen;F. Cervelli;P. Chang;P. Chang;H. Chao;J. Chapman;M. Cheng;G. Chiarelli;T. Chikamatsu;C. Chiou;L. Christofek;S. Cihangir;A. Clark;M. Cobal;E. Cocca;M. Contreras;J. Conway;J. Cooper;M. Cordelli;C. Couyoumtzelis;D. Crane;D. Cronin;R. Culbertson;T. Daniels;F. Dejongh;S. Delchamps;S. Dell’Agnello;M. Dell'Orso;R. Demina;L. Demortier;M. Deninno;P. Derwent;T. Devlin;J. Dittmann;S. Donati;J. Done;T. Dorigo;A. Dunn;N. Eddy;K. Einsweiler;J. Elias;R. Ely;E. Engels;D. Errede;S. Errede;Q. Fan;G. Feild;C. Ferretti;I. Fiori;B. Flaugher;G. Foster;M. Franklin;M. Frautschi;J. Freeman;J. Friedman;H. Frisch;Y. Fukui;S. Funaki;S. Galeotti;M. Gallinaro;O. Ganel;M. Garcia;A. Garfinkel;S. Geer;D. Gerdes;P. Giannetti;N. Giokaris;P. Giromini;G. Giusti;L. Gladney;D. Glenzinski;M. Gold;Js Gonzalez;A. Gordon;A. Goshaw;Y. Gotra;K. Goulianos;H. Grassmann;L. Groer;C. Grosso;G. Guillian;R. Guo;C. Haber;E. Hafen;S. Hahn;R. Hamilton;R. Handler;R. M. Hans;F. Happacher;K. Hara;A. Hardman;B. Harral;R. Harris;S. Hauger;J. Hauser;C. Hawk;E. Hayashi;J. Heinrich;B. Hinrichsen;K. Hoffman;M. Hohlmann;C. Holck;R. Hollebeek;L. Holloway;S. Hong;G. Houk;P. Hu;B. T. Huffman;R. Hughes;J. Huston;J. Huth;J. Hylen;H. Ikeda;M. Incagli;J. Incandela;G. Introzzi;J. Iwai;Y. Iwata;H. Jensen;U. Joshi;R. Kadel;E. Kajfasz;H. Kambara;T. Kamon;T. Kaneko;K. Karr;H. Kasha;Y. Kato;T. Keaffaber;K. Kelley;R. Kennedy;R. Kephart;P. Kesten;D. Kestenbaum;H. Keutelian;F. Keyvan;B. Kharadia;B. Kim;D. Kim;H. Kim;S. Kim;S. Kim;Young Keun Kim;L. Kirsch;P. Koehn;K. Kondo;J. Konigsberg;S. Kopp;K. Kordas;A. Korytov;W. Koska;E. Kovacs;W. Kowald;M. Krasberg;J. Kroll;M. Kruse;T. Kuwabara;S. Kuhlmann;E. Kuns;A. Laasanen;S. Lami;S. Lammel;J. Lamoureux;M. Lancaster;T. LeCompte;S. Leone;J. Lewis;P. Limon;M. Lindgren;T. Liss;J. Liu;Yc Liu;N. Lockyer;O. Long;C. Loomis;M. Loreti;Jun Lu;D. Lucchesi;P. Lukens;S. Lusin;J. Lys;K. Maeshima;A. Maghakian;P. Maksimovic;M. Mangano;J. Mansour;M. Mariotti;J. Marriner;A. Martin;J. Matthews;R. Mattingly;P. Mcintyre;P. Mélèse;A. Menzione;E. Meschi;S. Metzler;C. Miao;T. Miao;G. Michail;R. Miller;H. Minato;S. Miscetti;M. Mishina;H. Mitsushio;T. Miyamoto;S. Miyashita;N. Moggi;Y. Morita;A. Mukherjee;T. Müller;P. Murat;H. Nakada;I. Nakano;C. Nelson;D. Neuberger;C. Newman;C. Ngan;M. Ninomiya;L. Nodulman;S. Oh;K. Ohl;T. Ohmoto;T. Ohsugi;R. Oishi;M. Okabe;T. Okusawa;R. Oliveira;J. Olsen;C. Pagliarone;R. Paoletti;V. Papadimitriou;S. Pappas;N. Parashar;S. Park;A. Parri;J. Patrick;G. Pauletta;M. Paulini;A. Perazzo;L. Pescara;M. Peters;T. Phillips;G. Piacentino;M. Pillai;K. Pitts;R. Plunkett;L. Pondrom;J. Proudfoot;F. Ptohos;G. Punzi;K. Ragan;D. Reher;A. Ribon;F. Rimondi;L. Ristori;W. Robertson;T. Rodrigo;S. Rolli;J. Romano;L. Rosenson;R. Roser;T. Saab;W. Sakumoto;D. Saltzberg;A. Sansoni;L. Santi;H. Sato;P. Schlabach;E. Schmidt;M. Schmidt;A. Scribano;S. Segler;S. Seidel;Y. Seiya;G. Sganos;M. Shapiro;N. Shaw;Q. Shen;P. Shepard;M. Shimojima;M. Shochet;J. Siegrist;A. Sill;Nicolas Produit;P. Singh;J. Skarha;K. Sliwa;F. Snider;T. Song;J. Spalding;T. Speer;P. Sphicas;F. Spinella;M. Spiropulu;L. Spiegel;L. Stanco;J. Steele;A. Stefanini;K. Strahl;J. Strait;R. Ströhmer;D. Stuart;G. Sullivan;K. Sumorok;J. Suzuki;T. Takada;T. Takahashi;T. Takano;K. Takikawa;N. Tamura;B. Tannenbaum;F. Tartarelli;W. Taylor;P. Teng;Y. Teramoto;S. Tether;D. Theriot;T. Thomas;R. Thun;R. Thurman;M. Timko;P. Tipton;A. Titov;S. Tkaczyk;D. Toback;K. Tollefson;A. Tollestrup;H. Toyoda;W. Trischuk;J. D. Trocóniz;S. Truitt;J. Tseng;N. Turini;T. Uchida;N. Uemura;F. Ukegawa;G. Unal;J. Valls;S. C. Brink;S. Vejcik;G. Velev;R. Vidal;R. Vilar;M. Vondracek;D. Vučinić;R. Wagner;R. Wagner;J. Wahl;N. Wallace;A. Walsh;C. Wang;C. Wang;Jian Wang;Mj Wang;Q. Wang;A. Warburton;T. Watts;R. Webb;C. Wei;H. Wenzel;W. Wester;A. Wicklund;E. Wicklund;R. Wilkinson;H. Williams;P. Wilson;B. Winer;D. Winn;D. Wolinski;J. Wolinski;S. Worm;Xin Wu;J. Wyss;A. Yagil;W. Yao;K. Yasuoka;Y. Ye;G. Yeh;P. Yeh;M. Yin;J. Yoh;C. Yosef;T. Yoshida;D. Yovanovitch;I. Yu;L. Yu;J. Yun;A. Zanetti;F. Zetti;L. Zhang;Wei Zhang;S. Zucchelli