Measurement of $m{sigma (p ar p o Z) cdot}$Br$m{(Z o au au)}$ at $m{sqrt{s}=}$1.96 TeV

Measurement of $m{sigma (p ar p o Z) cdot}$Br$m{(Z o au au)}$ at $m{sqrt{s}=}$1.96 TeV
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$m{sigma (p ar p o Z) cdot}$Br$m{(Z o au au)}$ 在 $m{sqrt{s}=}$1.96 处的测量

DOI:
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发表时间:
2005
期刊:
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通讯作者:
A. Zylberstejn
A. Zylberstejn
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作者:
V. Abazov;B. Abbott;M. Abolins;B. Acharya;M. Adams;T. Adams;M. Agelou;J. L. Agram;S. Ahn;M. Ahsan;G. Alexeev;G. Alkhazov;A. Alton;G. Alverson;G. Alves;M. Anastasoaie;T. Andeen;S. Anderson;B. Andrieu;Y. Arnoud;A. Askew;B. Åsman;O. Atramentov;C. Autermann;C. Avila;F. Badaud;A. Baden;B. Baldin;P. Balm;S. Banerjee;E. Barberis;P. Bargassa;P. Baringer;C. Barnes;J. Barreto;J. Bartlett;U. Bassler;D. Bauer;A. Bean;S. Beauceron;M. Begel;A. Bellavance;S. Beri;G. Bernardi;I. Bertram;M. Besançon;R. Beuselinck;V. Bezzubov;P. Bhat;V. Bhatnagar;M. Binder;C. Biscarat;K. Black;I. Blackler;G. Blazey;F. Blekman;S. Blessing;D. Bloch;U. Blumenschein;A. Boehnlein;O. Boeriu;T. Bolton;F. Borcherding;G. Borissov;K. Bos;T. Bose;A. Brandt;R. Brock;G. Brooijmans;A. Bross;N. Buchanan;D. Buchholz;M. Buehler;V. Buescher;S. Burdin;T. H. Burnett;E. Busato;J. Butler;J. Bystrický;W. Carvalho;B. Casey;N. Cason;H. Castilla;S. Chakrabarti;D. Chakraborty;K. Chan;A. Chandra;D. Chapin;F. Charles;E. Cheu;L. Chevalier;D. Cho;S. Choi;B. Choudhary;T. Christiansen;L. Christofek;D. Claes;B. Clement;C. Clement;Y. Coadou;M. Cooke;W. Cooper;D. Coppage;M. Corcoran;A. Cothenet;M. Cousinou;B. Cox;S. Crépé;M. Cristetiu;D. Cutts;H. Motta;B. Davies;G. Davies;G. Davis;K. De;P. D. Jong;S. D. Jong;E. Cruz;C. D. Martins;S. Dean;F. Deliot;M. Demarteau;R. Demina;P. Demine;D. Denisov;S. Denisov;S. Desai;H. Diehl;M. Diesburg;M. Doidge;H. Dong;S. Doulas;L. Dudko;L. Duflot;S. Dugad;A. Duperrin;J. Dyer;A. Dyshkant;M. Eads;D. Edmunds;T. Edwards;J. Ellison;J. Elmsheuser;J. Eltzroth;V. Elvira;S. Eno;P. Ermolov;O. Eroshin;J. Estrada;D. Evans;H. Evans;A. Evdokimov;V. Evdokimov;J. Fast;S. Fatakia;L. Feligioni;T. Ferbel;F. Fiedler;F. Filthaut;W. Fisher;H. Fisk;M. Fortner;H. Fox;William R. Freeman;S. Fu;S. Fuess;T. Gadfort;C. Galea;E. Gallas;E. Galyaev;C. Garcia;A. Garcia;J. Gardner;V. Gavrilov;D. Gelé;R. Gelhaus;K. Genser;C. Gerber;Y. Gershtein;G. Ginther;T. Golling;B. Gomez;K. Gounder;A. Goussiou;P. Grannis;S. Greder;H. Greenlee;Z. 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Bihan;P. Lebrun;S. W. Lee;W. Lee;A. Leflat;F. Lehner;C. Leonidopoulos;P. Lewis;J. Li;Q. Li;J. Lima;D. Lincoln;S. Linn;J. Linnemann;V. Lipaev;R. Lipton;L. Lobo;A. Lobodenko;M. Lokajicek;A. Lounis;H. Lubatti;L. Lueking;M. Lynker;A. Lyon;A. Maciel;R. Madaras;P. Mättig;A. Magerkurth;A. Magnan;N. Makovec;P. Mal;S. Malik;V. Malyshev;H. Mao;Y. Maravin;M. Martens;S. Mattingly;A. Mayorov;R. Mccarthy;R. McCroskey;D. Meder;H. Melanson;A. Melnitchouk;A. Mendes;M. Merkin;K. Merritt;A. Meyer;M. Michaut;H. Miettinen;J. Mitrevski;N. Mokhov;J. Molina;N. Mondal;R. Moore;G. Muanza;M. Mulders;Y. Mutaf;E. Nagy;M. Narain;N. A. Naumann;H. Neal;J. Negret;S. Nelson;P. Neustroev;C. Noeding;A. Nomerotski;S. Novaes;T. Nunnemann;E. Nurse;V. O’dell;D. O’Neil;V. Oguri;N. Oliveira;N. Oshima;G. O. Y. Garzon;P. Padley;N. Parashar;Jae;S. Park;J. Parsons;R. Partridge;N. Parua;A. Patwa;P. Perea;E. Perez;P. Pétroff;M. Petteni;L. Phaf;R. Piegaia;M. Pleier;P. Podesta;V. Podstavkov;Y. Pogorelov;B. Pope;W. D. Silva;H. 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我们提出了一个测量的横截面为$Z$生产倍的分支分数为$ Au轻子、σ cdot Br(Z O Au^+ Au^-)$,以$p为单位 ar p$碰撞在$sqrt{s}=$1.96 TeV的通道中,其中一个$ Au$衰变为μ $ u_{mu} 联系我们 Au}$,另一个转换为$ m {强子} + 联系我们 Au}$或$e u_e 联系我们 Au}$。数据样本对应于费米实验室Tevatron对撞机D{O}探测器收集的226 pb$^{-1}$的积分光度。最终样本包含2008年的候选事件,估计背景为55%。由此我们得到$sigma cdot$Br$(Z O Au^+ Au^-)=237 pm 15$(stat)$pm 18$(sys)$ pm 15$(lum)pb,与标准模型预测一致。
We present a measurement of the cross section for $Z$ production times the branching fraction to $ au$ leptons, $sigma cdot$Br$(Z o au^+ au^-)$, in $p ar p$ collisions at $sqrt{s}=$1.96 TeV in the channel in which one $ au$ decays into $mu u_{mu} u_{ au}$, and the other into $ m {hadrons} + u_{ au}$ or $e u_e u_{ au}$. The data sample corresponds to an integrated luminosity of 226 pb$^{-1}$ collected with the D{O}detector at the Fermilab Tevatron collider. The final sample contains 2008 candidate events with an estimated background of 55%. From this we obtain $sigma cdot$Br$(Z o au^+ au^-)=237 pm 15$(stat)$pm 18$(sys)$ pm 15$(lum) pb, in agreement with the standard model prediction.