We search for a Higgs particle with anomalous couplings in the e+e-> H gamma, e(+)e(-)-> HZ and e(+)e(-)-> He(+)e(-) processes with the L3 detector at LEP. We explore the mass range 70 GeV < m(H) < 170 GeV using 176 pb(-1) of integrated luminosity at a center-of-mass energy of root s = 189GeV. The Higgs decays H -> b (b) over bar, H -> gamma gamma and H -> Z gamma are considered in the analysis. No evidence for anomalous Higgs production is found. This is interpreted in terms of limits on the anomalous couplings d, d(B), Delta g(1)(Z) and Delta kappa(gamma). Limits on the Gamma(H -> gamma gamma) and Gamma(H -> Z gamma) partial widths in the explored Higgs mass range are also obtained. (C) 2000 Elsevier Science B.V. All rights reserved.

Search for anomalous couplings in the Higgs sector at LEP / M. Acciarri;P. Achard;O. Adriani;M. Aguilar-Benitez;J. Alcaraz;G. Alemanni;J. Allaby;A. Aloisio;M. G. Alviggi;G. Ambrosi;H. Anderhub;V. P. Andreev;T. Angelescu;F. Anselmo;A. Arefiev;T. Azemoon;T. Aziz;P. Bagnaia;A. Bajo;L. Baksay;A. Balandras;S. V. Baldew;S. Banerjee;S. Banerjee;A. Barczyk;R. Barillere;P. Bartalini;M. Basile;R. Battiston;A. Bay;F. Becattini;U. Becker;F. Behner;L. Bellucci;R. Berbeco;J. Berdugo;P. Berges;B. Bertucci;B. L. Betev;S. Bhattacharya;M. Biasini;M. Biglietti;A. Biland;J. J. Blaising;S. C. Blyth;G. J. Bobbink;A. Bohm;L. Boldizsar;B. Borgia;D. Bourilkov;M. Bourquin;S. Braccini;J. G. Branson;F. Brochu;A. Buffini;A. Buijs;J. D. Burger;W. J. Burger;X. D. Cai;M. Capell;G. C. Romeo;G. Carlino;A. M. Cartacci;J. Casaus;G. Castellini;F. Cavallari;N. Cavallo;C. Cecchi;M. Cerrada;F. Cesaroni;M. Chamizo;Y. H. Chang;U. K. Chaturvedi;M. Chemarin;A. Chen;G. Chen;G. M. Chen;H. F. Chen;H. S. Chen;G. Chiefari;L. Cifarelli;F. Cindolo;C. Civinini;C. I;R. Clare;G. Coignet;N. Colino;S. Costantini;F. Cotorobai;B. d. la;A. Csilling;S. Cucciarelli;T. S. Dai;J. A. van;R. D'Alessandro;R. d. Asmundis;P. Deglon;A. Degre;K. Deiters;D. d. Volpe;E. Delmeire;P. Denes;F. DeNotaristefani;A. D. Salvo;M. Diemoz;M. Dierckxsens;D. v. Dierendonck;C. Dionisi;M. Dittmar;A. Dominguez;A. Doria;M. T. Dova;D. Dchesneau;D. Dufournaud;P. Duinker;D. I;H. E. Mamouni;A. Engler;F. J. Eppling;F. C. Erne;P. Extermann;M. Fabre;M. A. Falagan;S. Falciano;A. Favara;J. Fay;O. Fedin;M. Felcini;T. Ferguson;H. Fesefeldt;E. Fiandrini;J. H. Field;F. Filthaut;P. H. Fisher;F. I;G. Forconi;K. Freudenreich;C. Furetta;Y. Galaktionov;S. N. Ganguli;P. Garcia-Abia;M. Gataullin;S. S. Gau;S. Gentile;N. Gheordanescu;S. Giagu;Z. F. Gong;G. Grenier;O. Grimm;M. W. Gruenewald;M. Guida;R. v. Gulik;V. K. Gupta;A. Gurtu;L. J. Gutay;D. Haas;A. Hasan;D. Hatzifotiadou;T. Hebbeker;A. Herve;P. Hidas;J. Hirschfelder;H. Hofer;G. Holzner;H. Hoorani;H. Sr;Y. Hu;I. I;B. N. Jin;L. W. Jones;P. d. Jong;J. I;R. A. Khan;M. Kaur;M. N. Kienzle-Focacci;D. Kim;J. K. Kim;J. Kirkby;D. Kiss;W. Kittel;A. Klimentov;A. C. Konig;A. Kopp;K. V;M. Kraber;R. W. Kraemer;W. Krenz;A. Kruger;A. Kunin;P. L. de;L. I;G. Landi;M. Lebeau;A. Lebedev;P. Lebrun;P. Lecomte;P. Lecoq;P. L. Coultre;H. J. Lee;J. M. Le;R. Leiste;P. Levtchenko;C. Li;S. Likhoded;C. H. Lin;W. T. Lin;F. L. Linde;L. Lista;Z. A. Liu;W. Lohmann;E. Longo;Y. S. Lu;K. Lubelsmeyer;C. Luci;D. Luckey;L. Lugnier;L. Luminari;W. Lustermann;W. G. Ma;M. Maity;L. Malgeri;A. Malinin;C. Mana;D. Mangeol;J. Mans;G. Marian;J. P. Martin;F. Marzano;K. Mazumdar;R. R. McNeil;S. Mele;L. Merola;M. Meschini;W. J. Metzger;M. v. der;A. Mihul;H. Milcent;G. Mirabelli;J. Mnich;G. B. Mohanty;T. Moulik;G. S. Muanza;A. J. M.;B. Musicar;M. Musy;M. Napolitano;F. Nessi-Tedaldi;H. Newman;T. Niessen;A. Nisati;H. Nowak;R. Ofierzynski;G. Organtini;A. Oulianov;C. Palomares;D. Pandoulas;S. Paoletti;P. Paolucci;R. Paramatti;H. K. Park;I. H. Park;G. Passaleva;S. Patricelli;T. Paul;M. Pauluzzi;C. Paus;F. Pauss;M. Pedace;S. Pensotti;D. Perret-Gallix;B. Petersen;D. Piccolo;F. Pierella;M. Pieri;P. A. Piroue;E. Pistolesi;P. V;M. Pohl;P. V;H. Postema;J. Pothier;D. O. Prokofiev;D. Prokofiev;J. Quartieri;G. Rahal-Callot;M. A. Rahaman;P. Raics;N. Raja;R. Ramelli;P. G. Rancoita;R. Ranieri;A. Raspereza;G. Raven;P. Razis;D. Ren;M. Rescigno;S. Reucroft;S. Riemann;K. Riles;J. Rodin;B. P. Roe;L. Romero;A. Rosca;S. Rosier-Lees;J. A. Rubio;G. Ruggiero;H. Rykaczewski;S. Saremi;S. Sarkar;J. Salicio;E. Sanchez;M. P. Sanders;M. E. Sarakinos;C. Schafer;S. V;S. Schmidt-Kaerst;D. Schmitz;H. Schopper;D. J. Schotanus;G. Schwering;C. Sciacca;A. Seganti;L. Servoli;S. Shevchenko;N. Shivarov;S. V;E. Shumilov;A. Shvorob;T. Siedenburg;D. Son;B. Smith;P. Spillantini;M. Steuer;D. P. Stickland;A. Stone;B. Stoyanov;A. Straessner;K. Sudhakar;G. Sultanov;L. Z. Sun;H. Suter;J. D. Swain;Z. Szillasi;T. Sztaricskai;X. W. Tang;L. Tauscher;L. Taylor;B. Tellili;C. Timmermans;S. C. C.;S. M. Ting;S. C. Tonwar;J. Toth;C. Tully;K. L. Tung;Y. Uchida;J. Ulbricht;E. Valente;G. Vesztergombi;V. I;D. Vicinanza;G. Viertel;S. Villa;M. Vivargent;S. Vlachos;V. I;H. Vogel;H. Vogt;V. I;A. A. Vorobyov;A. Vorvolakos;M. Wadhwa;W. Wallraff;M. Wang;X. L. Wang;Z. M. Wang;A. Weber;M. Weber;P. Wienemann;H. Wilkens;S. X. Wu;S. Wynhoff;L. Xia;Z. Z. Xu;J. Yamamoto;B. Z. Yang;C. G. Yang;H. J. Yang;M. Yang;J. B. Ye;S. C. Yeh;A. Zalite;Y. Zalite;Z. P. Zhang;G. Y. Zhu;R. Y. Zhu;A. Zichichi;G. Zilizi;B. Zimmermann;M. Zoller. - In: PHYSICS LETTERS. SECTION B. - ISSN 0370-2693. - ELETTRONICO. - 489:(2000), pp. 102-114. [10.1016/S0370-2693(00)00890-X]

Search for anomalous couplings in the Higgs sector at LEP

ADRIANI, OSCAR;BECATTINI, FRANCESCO;D'ALESSANDRO, RAFFAELLO;
2000

Abstract

We search for a Higgs particle with anomalous couplings in the e+e-> H gamma, e(+)e(-)-> HZ and e(+)e(-)-> He(+)e(-) processes with the L3 detector at LEP. We explore the mass range 70 GeV < m(H) < 170 GeV using 176 pb(-1) of integrated luminosity at a center-of-mass energy of root s = 189GeV. The Higgs decays H -> b (b) over bar, H -> gamma gamma and H -> Z gamma are considered in the analysis. No evidence for anomalous Higgs production is found. This is interpreted in terms of limits on the anomalous couplings d, d(B), Delta g(1)(Z) and Delta kappa(gamma). Limits on the Gamma(H -> gamma gamma) and Gamma(H -> Z gamma) partial widths in the explored Higgs mass range are also obtained. (C) 2000 Elsevier Science B.V. All rights reserved.
2000
489
102
114
M. Acciarri;P. Achard;O. Adriani;M. Aguilar-Benitez;J. Alcaraz;G. Alemanni;J. Allaby;A. Aloisio;M. G. Alviggi;G. Ambrosi;H. Anderhub;V. P. Andreev;T. Angelescu;F. Anselmo;A. Arefiev;T. Azemoon;T. Aziz;P. Bagnaia;A. Bajo;L. Baksay;A. Balandras;S. V. Baldew;S. Banerjee;S. Banerjee;A. Barczyk;R. Barillere;P. Bartalini;M. Basile;R. Battiston;A. Bay;F. Becattini;U. Becker;F. Behner;L. Bellucci;R. Berbeco;J. Berdugo;P. Berges;B. Bertucci;B. L. Betev;S. Bhattacharya;M. Biasini;M. Biglietti;A. Biland;J. J. Blaising;S. C. Blyth;G. J. Bobbink;A. Bohm;L. Boldizsar;B. Borgia;D. Bourilkov;M. Bourquin;S. Braccini;J. G. Branson;F. Brochu;A. Buffini;A. Buijs;J. D. Burger;W. J. Burger;X. D. Cai;M. Capell;G. C. Romeo;G. Carlino;A. M. Cartacci;J. Casaus;G. Castellini;F. Cavallari;N. Cavallo;C. Cecchi;M. Cerrada;F. Cesaroni;M. Chamizo;Y. H. Chang;U. K. Chaturvedi;M. Chemarin;A. Chen;G. Chen;G. M. Chen;H. F. Chen;H. S. Chen;G. Chiefari;L. Cifarelli;F. Cindolo;C. Civinini;C. I;R. Clare;G. Coignet;N. Colino;S. Costantini;F. Cotorobai;B. d. la;A. Csilling;S. Cucciarelli;T. S. Dai;J. A. van;R. D'Alessandro;R. d. Asmundis;P. Deglon;A. Degre;K. Deiters;D. d. Volpe;E. Delmeire;P. Denes;F. DeNotaristefani;A. D. Salvo;M. Diemoz;M. Dierckxsens;D. v. Dierendonck;C. Dionisi;M. Dittmar;A. Dominguez;A. Doria;M. T. Dova;D. Dchesneau;D. Dufournaud;P. Duinker;D. I;H. E. Mamouni;A. Engler;F. J. Eppling;F. C. Erne;P. Extermann;M. Fabre;M. A. Falagan;S. Falciano;A. Favara;J. Fay;O. Fedin;M. Felcini;T. Ferguson;H. Fesefeldt;E. Fiandrini;J. H. Field;F. Filthaut;P. H. Fisher;F. I;G. Forconi;K. Freudenreich;C. Furetta;Y. Galaktionov;S. N. Ganguli;P. Garcia-Abia;M. Gataullin;S. S. Gau;S. Gentile;N. Gheordanescu;S. Giagu;Z. F. Gong;G. Grenier;O. Grimm;M. W. Gruenewald;M. Guida;R. v. Gulik;V. K. Gupta;A. Gurtu;L. J. Gutay;D. Haas;A. Hasan;D. Hatzifotiadou;T. Hebbeker;A. Herve;P. Hidas;J. Hirschfelder;H. Hofer;G. Holzner;H. Hoorani;H. Sr;Y. Hu;I. I;B. N. Jin;L. W. Jones;P. d. Jong;J. I;R. A. Khan;M. Kaur;M. N. Kienzle-Focacci;D. Kim;J. K. Kim;J. Kirkby;D. Kiss;W. Kittel;A. Klimentov;A. C. Konig;A. Kopp;K. V;M. Kraber;R. W. Kraemer;W. Krenz;A. Kruger;A. Kunin;P. L. de;L. I;G. Landi;M. Lebeau;A. Lebedev;P. Lebrun;P. Lecomte;P. Lecoq;P. L. Coultre;H. J. Lee;J. M. Le;R. Leiste;P. Levtchenko;C. Li;S. Likhoded;C. H. Lin;W. T. Lin;F. L. Linde;L. Lista;Z. A. Liu;W. Lohmann;E. Longo;Y. S. Lu;K. Lubelsmeyer;C. Luci;D. Luckey;L. Lugnier;L. Luminari;W. Lustermann;W. G. Ma;M. Maity;L. Malgeri;A. Malinin;C. Mana;D. Mangeol;J. Mans;G. Marian;J. P. Martin;F. Marzano;K. Mazumdar;R. R. McNeil;S. Mele;L. Merola;M. Meschini;W. J. Metzger;M. v. der;A. Mihul;H. Milcent;G. Mirabelli;J. Mnich;G. B. Mohanty;T. Moulik;G. S. Muanza;A. J. M.;B. Musicar;M. Musy;M. Napolitano;F. Nessi-Tedaldi;H. Newman;T. Niessen;A. Nisati;H. Nowak;R. Ofierzynski;G. Organtini;A. Oulianov;C. Palomares;D. Pandoulas;S. Paoletti;P. Paolucci;R. Paramatti;H. K. Park;I. H. Park;G. Passaleva;S. Patricelli;T. Paul;M. Pauluzzi;C. Paus;F. Pauss;M. Pedace;S. Pensotti;D. Perret-Gallix;B. Petersen;D. Piccolo;F. Pierella;M. Pieri;P. A. Piroue;E. Pistolesi;P. V;M. Pohl;P. V;H. Postema;J. Pothier;D. O. Prokofiev;D. Prokofiev;J. Quartieri;G. Rahal-Callot;M. A. Rahaman;P. Raics;N. Raja;R. Ramelli;P. G. Rancoita;R. Ranieri;A. Raspereza;G. Raven;P. Razis;D. Ren;M. Rescigno;S. Reucroft;S. Riemann;K. Riles;J. Rodin;B. P. Roe;L. Romero;A. Rosca;S. Rosier-Lees;J. A. Rubio;G. Ruggiero;H. Rykaczewski;S. Saremi;S. Sarkar;J. Salicio;E. Sanchez;M. P. Sanders;M. E. Sarakinos;C. Schafer;S. V;S. Schmidt-Kaerst;D. Schmitz;H. Schopper;D. J. Schotanus;G. Schwering;C. Sciacca;A. Seganti;L. Servoli;S. Shevchenko;N. Shivarov;S. V;E. Shumilov;A. Shvorob;T. Siedenburg;D. Son;B. Smith;P. Spillantini;M. Steuer;D. P. Stickland;A. Stone;B. Stoyanov;A. Straessner;K. Sudhakar;G. Sultanov;L. Z. Sun;H. Suter;J. D. Swain;Z. Szillasi;T. Sztaricskai;X. W. Tang;L. Tauscher;L. Taylor;B. Tellili;C. Timmermans;S. C. C.;S. M. Ting;S. C. Tonwar;J. Toth;C. Tully;K. L. Tung;Y. Uchida;J. Ulbricht;E. Valente;G. Vesztergombi;V. I;D. Vicinanza;G. Viertel;S. Villa;M. Vivargent;S. Vlachos;V. I;H. Vogel;H. Vogt;V. I;A. A. Vorobyov;A. Vorvolakos;M. Wadhwa;W. Wallraff;M. Wang;X. L. Wang;Z. M. Wang;A. Weber;M. Weber;P. Wienemann;H. Wilkens;S. X. Wu;S. Wynhoff;L. Xia;Z. Z. Xu;J. Yamamoto;B. Z. Yang;C. G. Yang;H. J. Yang;M. Yang;J. B. Ye;S. C. Yeh;A. Zalite;Y. Zalite;Z. P. Zhang;G. Y. Zhu;R. Y. Zhu;A. Zichichi;G. Zilizi;B. Zimmermann;M. Zoller
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/774945
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