Search for Heavy, Long-Lived Particles that Decay to Photons at CDF II
Search for Heavy, Long-Lived Particles that Decay to Photons at CDF II
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DOI：
10.1103/physrevlett.99.121801
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发表时间：
2007-04
期刊：
影响因子：
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通讯作者：
A. Abulencia;J. Adelman;T. Affolder;T. Akimoto;M. Albrow;S. Amerio;D. Amidei;A. Anastassov;K. Anikeev;A. Annovi;J. Antoš;M. Aoki;G. Apollinari;T. Arisawa;A. Artikov;W. Ashmanskas;A. Attal;A. Aurisano;F. Azfar;P. Azzi-Bacchetta;P. Azzurri;N. Bacchetta;W. Badgett;A. Barbaro-Galtieri;V. Barnes;B. Barnett;S. Baroiant;V. Bartsch;G. Bauer;P. Beauchemin;F. Bedeschi;S. Behari;G. Bellettini;J. Bellinger;A. Belloni;D. Benjamin;A. Beretvas;J. Beringer;T. Berry;A. Bhatti;M. Binkley;D. Bisello;I. Bizjak;R. Blair;C. Blocker;B. Blumenfeld;A. Bocci;A. Bodek;V. Boisvert;G. Bolla;A. Bolshov;Daniela Bortoletto;J. Boudreau;A. Boveia;B. Brau;L. Brigliadori;C. Bromberg;E. Brubaker;J. Budagov;H. Budd;S. Budd;K. Burkett;G. Busetto;P. Bussey;A. Buzatu;K. Byrum;S. Cabrera;M. Campanelli;M. Campbell;F. Canelli;A. Canepa;S. Carillo;D. Carlsmith;R. Carosi;S. Carron;B. Casal;M. Casarsa;A. Castro;P. Catastini;D. Cauz;M. Cavalli-Sforza;A. Cerri;L. Cerrito;S. Chang;Y. Chen;M. Chertok;G. Chiarelli;G. Chlachidze;F. Chlebana;I. Cho;K. Cho;D. Chokheli;J. Chou;G. Choudalakis;S. Chuang;K. Chung;W. Chung;Y. Chung;M. Cilijak;C. Ciobanu;M. Ciocci;A. Clark;D. Clark;M. Coca;G. Compostella;M. Convery;J. Conway;B. Cooper;K. Copic;M. Cordelli;G. Cortiana;F. Crescioli;C. Almenar;J. Cuevas;R. Culbertson;J. Cully;S. Daronco;M. Datta;S. D'Auria;T. Davies;D. Dagenhart;P. de Barbaro;S. De Cecco;A. Deisher;G. De Lentdecker;G. De Lorenzo;M. Dell'Orso;F. Delli Paoli;L. Demortier;J. Deng;M. Deninno;D. De Pedis;P. Derwent;G. di Giovanni;C. Dionisi;B. Di Ruzza;J. Dittmann;M. D'Onofrio;C. Dörr;S. Donati;P. Dong;J. Donini;T. Dorigo;S. Dube;J. Efron;R. Erbacher;D. Errede;S. Errede;R. Eusebi;H. Fang;S. Farrington;I. Fedorko;W. Fedorko;R. Feild;M. Feindt;J. Fernández;R. Field;G. Flanagan;R. Forrest;S. Forrester;M. Franklin;J. Freeman;I. Furic;M. Gallinaro;J. Galyardt;J. Garcìa;F. Garberson;A. Garfinkel;C. Gay;H. Gerberich;D. Gerdes;S. Giagu;P. Giannetti;K. Gibson;J. Gimmell;C. Ginsburg;N. Giokaris;M. Giordani;P. Giromini;M. Giunta;G. Giurgiu;V. Glagolev;D. Glenzinski;M. Gold;N. Goldschmidt;J. Goldstein;A. Golossanov;G. Gomez;G. Gomez-Ceballos;M. Goncharov;O. Gonzãlez;I. Gorelov;A. Goshaw;K. Goulianos;A. Gresele;S. Grinstein;C. Grosso-Pilcher;U. Grundler;J. G. D. da Costa;Z. Gunay-Unalan;C. Haber;K. Hahn;S. Hahn;E. Halkiadakis;A. Hamilton;B. Han;J. Han;R. Handler;F. Happacher;K. Hara;D. Hare;M. Hare;S. Harper;R. Harr;R. Harris;M. Hartz;K. Hatakeyama;J. Hauser;C. Hays;M. Heck;A. Heijboer;B. Heinemann;J. Heinrich;C. Henderson;M. Herndon;J. Heuser;D. Hidas;C. Hill;D. Hirschbuehl;A. Hocker;A. Holloway;S. Hou;M. Houlden;S. Hsu;B. Huffman;R. Hughes;U. Husemann;J. Huston;J. Incandela;G. Introzzi;M. Iori;A. Ivanov;B. Iyutin;E. James;D. Jang;B. Jayatilaka;D. Jeans;E. Jeon;S. Jindariani;W. Johnson;M. Jones;K. Joo;S. Jun;J. Jung;T. Junk;T. Kamon;P. Karchin;Y. Kato;Y. Kemp;R. Kephart;U. Kerzel;V. Khotilovich;B. Kilminster;D. Kim;H. Kim;J. Kim;M. Kim;S. Kim;S. Kim;Y. Kim;N. Kimura;L. Kirsch;S. Klimenko;M. Klute;B. Knuteson;B. Ko;K. Kondo;D. Kong;J. Konigsberg;A. Korytov;A. Kotwal;A. Kraan;J. Kraus;M. Kreps;J. Kroll;N. Krumnack;M. Kruse;V. Krutelyov;T. Kubo;S. Kuhlmann;T. Kuhr;N. Kulkarni;Y. Kusakabe;S. Kwang;A. Laasanen;S. Lai;S. Lami;S. Lammel;M. Lancaster;R. Lander;K. Lannon;A. Lath;G. Latino;I. Lazzizzera;T. LeCompte;E. Lee;J. Lee;Y. Lee;S. Lee;R. Lefèvre;N. Leonardo;S. Leone;S. Levy;J. Lewis;C. Lin;C. Lin;M. Lindgren;E. Lipeles;A. Lister;D. Litvintsev;T. Liu;N. Lockyer;A. Loginov;M. Loreti;R. Lu;D. Lucchesi;P. Lujan;P. Lukens;G. Lungu;L. Lyons;J. Lys;R. Lysak;E. Lytken;P. Mack;D. Macqueen;R. Madrak;K. Maeshima;K. Makhoul;T. Maki;P. Maksimovic;S. Malde;S. Malik;G. Manca;F. Margaroli;R. Marginean;C. Marino;C. Marino;A. Martin;M. Martin;V. Martin;M. Martínez;R. Martinez-Ballarin;T. Maruyama;P. Mastrandrea;T. Masubuchi;H. Matsunaga;M. Mattson;R. Mazini;P. Mazzanti;K. McFarland;P. Mcintyre;R. McNulty;A. Mehta;P. Mehtala;S. Menzemer;A. Menzione;P. Merkel;C. Mesropian;A. Messina;T. Miao;N. Miladinovic;J. Miles;R. Miller;C. Mills;M. Milnik;A. Mitra;G. Mitselmakher;A. Miyamoto;S. Moed;N. Moggi;B. Mohr;C. Moon;R. Moore;M. Morello;P. M. Movilla Fernandez;J. Mülmenstädt;A. Mukherjee;T. Muller;R. Mumford;P. Murat;M. Mussini;J. Nachtman;A. Nagano;J. Naganoma;K. Nakamura;I. Nakano;A. Napier;V. Necula;C. Neu;M. Neubauer;J. Nielsen;L. Nodulman;O. Norniella;E. Nurse;S. Oh;Y. Oh;I. Oksuzian;T. Okusawa;R. Oldeman;R. Orava;K. Osterberg;C. Pagliarone;E. Palencia;V. Papadimitriou;A. Papaikonomou;A. Paramonov;B. Parks;S. Pashapour;J. Patrick;G. Pauletta;M. Paulini;C. Paus;D. Pellett;A. Penzo;T. Phillips;G. Piacentino;J. Piedra;L. Pinera;K. Pitts;C. Plager;L. Pondrom;X. Portell;O. Poukhov;N. Pounder;F. Prakoshyn;A. Pronko;J. Proudfoot;F. Ptohos;G. Punzi;J. Pursley;J. Rademacker;A. Rahaman;V. Ramakrishnan;N. Ranjan;I. Redondo;B. Reisert;V. Rekovic;P. Renton;M. Rescigno;S. Richter;F. Rimondi;L. Ristori;A. Robson;T. Rodrigo;E. Rogers;S. Rolli;R. Roser;M. Rossi;R. Rossin;P. Roy;A. Ruiz;J. Russ;V. Rusu;H. Saarikko;A. Safonov;W. Sakumoto;G. Salamanna;O. Saltó;L. Santi;S. Sarkar;L. Sartori;K. Sato;P. Savard;A. Savoy-Navarro;T. Scheidle;P. Schlabach;E. Schmidt;M. Schmidt;M. Schmitt;T. Schwarz;L. Scodellaro;A. Scott;A. Scribano;F. Scuri;A. Sedov;S. Seidel;Y. Seiya;A. Semenov;L. Sexton-Kennedy;A. Sfyrla;S. Shalhout;M. Shapiro;T. Shears;P. Shepard;D. Sherman;M. Shimojima;M. Shochet;Y. Shon;I. Shreyber;A. Sidoti
中科院分区：
文献类型：
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作者：
A. Abulencia;J. Adelman;T. Affolder;T. Akimoto;M. Albrow;S. Amerio;D. Amidei;A. Anastassov;K. Anikeev;A. Annovi;J. Antoš;M. Aoki;G. Apollinari;T. Arisawa;A. Artikov;W. Ashmanskas;A. Attal;A. Aurisano;F. Azfar;P. Azzi-Bacchetta;P. Azzurri;N. Bacchetta;W. Badgett;A. Barbaro-Galtieri;V. Barnes;B. Barnett;S. Baroiant;V. Bartsch;G. Bauer;P. Beauchemin;F. Bedeschi;S. Behari;G. Bellettini;J. Bellinger;A. Belloni;D. Benjamin;A. Beretvas;J. Beringer;T. Berry;A. Bhatti;M. Binkley;D. Bisello;I. Bizjak;R. Blair;C. Blocker;B. Blumenfeld;A. Bocci;A. Bodek;V. Boisvert;G. Bolla;A. Bolshov;Daniela Bortoletto;J. Boudreau;A. Boveia;B. Brau;L. Brigliadori;C. Bromberg;E. Brubaker;J. Budagov;H. Budd;S. Budd;K. Burkett;G. Busetto;P. Bussey;A. Buzatu;K. Byrum;S. Cabrera;M. Campanelli;M. Campbell;F. Canelli;A. Canepa;S. Carillo;D. Carlsmith;R. Carosi;S. Carron;B. Casal;M. Casarsa;A. Castro;P. Catastini;D. Cauz;M. Cavalli-Sforza;A. Cerri;L. Cerrito;S. Chang;Y. Chen;M. Chertok;G. Chiarelli;G. Chlachidze;F. Chlebana;I. Cho;K. Cho;D. Chokheli;J. Chou;G. Choudalakis;S. Chuang;K. Chung;W. Chung;Y. Chung;M. Cilijak;C. Ciobanu;M. Ciocci;A. Clark;D. Clark;M. Coca;G. Compostella;M. Convery;J. Conway;B. Cooper;K. Copic;M. Cordelli;G. Cortiana;F. Crescioli;C. Almenar;J. Cuevas;R. Culbertson;J. Cully;S. Daronco;M. Datta;S. D'Auria;T. Davies;D. Dagenhart;P. de Barbaro;S. De Cecco;A. Deisher;G. De Lentdecker;G. De Lorenzo;M. Dell'Orso;F. Delli Paoli;L. Demortier;J. Deng;M. Deninno;D. De Pedis;P. Derwent;G. di Giovanni;C. Dionisi;B. Di Ruzza;J. Dittmann;M. D'Onofrio;C. Dörr;S. Donati;P. Dong;J. Donini;T. Dorigo;S. Dube;J. Efron;R. Erbacher;D. Errede;S. Errede;R. Eusebi;H. Fang;S. Farrington;I. Fedorko;W. Fedorko;R. Feild;M. Feindt;J. Fernández;R. Field;G. Flanagan;R. Forrest;S. Forrester;M. Franklin;J. Freeman;I. Furic;M. Gallinaro;J. Galyardt;J. Garcìa;F. Garberson;A. Garfinkel;C. Gay;H. Gerberich;D. Gerdes;S. Giagu;P. Giannetti;K. Gibson;J. Gimmell;C. Ginsburg;N. Giokaris;M. Giordani;P. Giromini;M. Giunta;G. Giurgiu;V. Glagolev;D. Glenzinski;M. Gold;N. Goldschmidt;J. Goldstein;A. Golossanov;G. Gomez;G. Gomez-Ceballos;M. Goncharov;O. Gonzãlez;I. Gorelov;A. Goshaw;K. Goulianos;A. Gresele;S. Grinstein;C. Grosso-Pilcher;U. Grundler;J. G. D. da Costa;Z. Gunay-Unalan;C. Haber;K. Hahn;S. Hahn;E. Halkiadakis;A. Hamilton;B. Han;J. Han;R. Handler;F. Happacher;K. Hara;D. Hare;M. Hare;S. Harper;R. Harr;R. Harris;M. Hartz;K. Hatakeyama;J. Hauser;C. Hays;M. Heck;A. Heijboer;B. Heinemann;J. Heinrich;C. Henderson;M. Herndon;J. Heuser;D. Hidas;C. Hill;D. Hirschbuehl;A. Hocker;A. Holloway;S. Hou;M. Houlden;S. Hsu;B. Huffman;R. Hughes;U. Husemann;J. Huston;J. Incandela;G. Introzzi;M. Iori;A. Ivanov;B. Iyutin;E. James;D. Jang;B. Jayatilaka;D. Jeans;E. Jeon;S. Jindariani;W. Johnson;M. Jones;K. Joo;S. Jun;J. Jung;T. Junk;T. Kamon;P. Karchin;Y. Kato;Y. Kemp;R. Kephart;U. Kerzel;V. Khotilovich;B. Kilminster;D. Kim;H. Kim;J. Kim;M. Kim;S. Kim;S. Kim;Y. Kim;N. Kimura;L. Kirsch;S. Klimenko;M. Klute;B. Knuteson;B. Ko;K. Kondo;D. Kong;J. Konigsberg;A. Korytov;A. Kotwal;A. Kraan;J. Kraus;M. Kreps;J. Kroll;N. Krumnack;M. Kruse;V. Krutelyov;T. Kubo;S. Kuhlmann;T. Kuhr;N. Kulkarni;Y. Kusakabe;S. Kwang;A. Laasanen;S. Lai;S. Lami;S. Lammel;M. Lancaster;R. Lander;K. Lannon;A. Lath;G. Latino;I. Lazzizzera;T. LeCompte;E. Lee;J. Lee;Y. Lee;S. Lee;R. Lefèvre;N. Leonardo;S. Leone;S. Levy;J. Lewis;C. Lin;C. Lin;M. Lindgren;E. Lipeles;A. Lister;D. Litvintsev;T. Liu;N. Lockyer;A. Loginov;M. Loreti;R. Lu;D. Lucchesi;P. Lujan;P. Lukens;G. Lungu;L. Lyons;J. Lys;R. Lysak;E. Lytken;P. Mack;D. Macqueen;R. Madrak;K. Maeshima;K. Makhoul;T. Maki;P. Maksimovic;S. Malde;S. Malik;G. Manca;F. Margaroli;R. Marginean;C. Marino;C. Marino;A. Martin;M. Martin;V. Martin;M. Martínez;R. Martinez-Ballarin;T. Maruyama;P. Mastrandrea;T. Masubuchi;H. Matsunaga;M. Mattson;R. Mazini;P. Mazzanti;K. McFarland;P. Mcintyre;R. McNulty;A. Mehta;P. Mehtala;S. Menzemer;A. Menzione;P. Merkel;C. Mesropian;A. Messina;T. Miao;N. Miladinovic;J. Miles;R. Miller;C. Mills;M. Milnik;A. Mitra;G. Mitselmakher;A. Miyamoto;S. Moed;N. Moggi;B. Mohr;C. Moon;R. Moore;M. Morello;P. M. Movilla Fernandez;J. Mülmenstädt;A. Mukherjee;T. Muller;R. Mumford;P. Murat;M. Mussini;J. Nachtman;A. Nagano;J. Naganoma;K. Nakamura;I. Nakano;A. Napier;V. Necula;C. Neu;M. Neubauer;J. Nielsen;L. Nodulman;O. Norniella;E. Nurse;S. Oh;Y. Oh;I. Oksuzian;T. Okusawa;R. Oldeman;R. Orava;K. Osterberg;C. Pagliarone;E. Palencia;V. Papadimitriou;A. Papaikonomou;A. Paramonov;B. Parks;S. Pashapour;J. Patrick;G. Pauletta;M. Paulini;C. Paus;D. Pellett;A. Penzo;T. Phillips;G. Piacentino;J. Piedra;L. Pinera;K. Pitts;C. Plager;L. Pondrom;X. Portell;O. Poukhov;N. Pounder;F. Prakoshyn;A. Pronko;J. Proudfoot;F. Ptohos;G. Punzi;J. Pursley;J. Rademacker;A. Rahaman;V. Ramakrishnan;N. Ranjan;I. Redondo;B. Reisert;V. Rekovic;P. Renton;M. Rescigno;S. Richter;F. Rimondi;L. Ristori;A. Robson;T. Rodrigo;E. Rogers;S. Rolli;R. Roser;M. Rossi;R. Rossin;P. Roy;A. Ruiz;J. Russ;V. Rusu;H. Saarikko;A. Safonov;W. Sakumoto;G. Salamanna;O. Saltó;L. Santi;S. Sarkar;L. Sartori;K. Sato;P. Savard;A. Savoy-Navarro;T. Scheidle;P. Schlabach;E. Schmidt;M. Schmidt;M. Schmitt;T. Schwarz;L. Scodellaro;A. Scott;A. Scribano;F. Scuri;A. Sedov;S. Seidel;Y. Seiya;A. Semenov;L. Sexton-Kennedy;A. Sfyrla;S. Shalhout;M. Shapiro;T. Shears;P. Shepard;D. Sherman;M. Shimojima;M. Shochet;Y. Shon;I. Shreyber;A. Sidoti
我们提出了第一次寻找重，长寿命的粒子衰变到光子在强子对撞机。我们使用的光子+喷流+失踪的横向能量事件在p-pbar碰撞\sqrt{s}=1.96 TeV的CDF II探测器采取的样本。基于光子到达探测器的时间来选择候选事件。使用570 pb-1的碰撞数据的积分光度，我们观察到2个事件，与背景估计的1.3+-0.7事件一致。虽然我们的搜索策略不依赖于模型特定的动力学，但我们在超对称模型中设置了截面限制，其中\tilde{\chi}_1^0->\gamma\gravitino，并将世界上最好的95% C.L.在τ_{\chi}_1^0} = 5 ns时，\chi}_1^0质量的下限为101 GeV/c^2。
We present the first search for heavy, long-lived particles that decay to photons at a hadron collider. We use a sample of photon+jet+missing transverse energy events in p-pbar collisions at \sqrt{s}=1.96 TeV taken with the CDF II detector. Candidate events are selected based on the arrival time of the photon at the detector. Using an integrated luminosity of 570 pb-1 of collision data, we observe 2 events, consistent with the background estimate of 1.3+-0.7 events. While our search strategy does not rely on model-specific dynamics, we set cross section limits in a supersymmetric model with \tilde{\chi}_1^0->\gamma\gravitino and place the world-best 95% C.L. lower limit on the \tilde{\chi}_1^0 mass of 101 GeV/c^2 at \tau_{\tilde{\chi}_1^0} = 5 ns.