Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
Electroweak Boson Pair Production in Pbar P Collisions at Radicals
Author: Search for W Boson Pair Production in Pbar P Collisions at Radicals
Author: Search for W Boson Pair Production in P[bar P] Collisions At[radical]
![Search for W Boson Pair Production in P[bar P] Collisions At[radical] PDF](https://books.google.com/books/content/images/frontcover/rxu7jwEACAAJ?fife=w80-h100)
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
The results of a search for W boson pair production in p[bar p] collisions at[radical]s= 1.8 TeV with subsequent decay to dilepton (e[mu], ee, and[mu][mu]) channels are presented. One event is observed with an expected background of 0.56[plus-minus] 0.13 events with an integrated luminosity of approximately 14 pb[sup[minus]1]. Assuming equal strengths for the WWZ and WW[gamma] gauge boson coupling parameters[kappa] and[lambda], limits on the CP-conserving anomalous coupling constants are[minus]2.6
Scientific and Technical Aerospace Reports
Author: Modern Drawings and Watercolours
Author: Electro-Weak, QCD and Top Physics at the Tevatron
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
The 1992--1993 Tevatron collider run ended yesterday. [approx]21 (16)pb[sup [minus]1] of p[bar p] collisions at [radical]S = 1800 GeV were collected at CDF (D0). New measurements of the W and Z cross section x branching ratios indicate that [Gamma](W) is 2.033 [plus-minus] 0.069 [plus-minus] 0.057 GeV. The upper limit for the top quark mass, if it is produced in W decays, is 62 GeV/c[sup 3]. Gauge boson pair production studies are beginning to constrain electro-weak parameters. No neutral gauge bosons with mass> M[sub z] have appeared. Inclusive jet production and angular distribution studies are compared to NLO perturbative QCD predictions. A new topological jet analysis from CDF is sensitive to the low x gluon distribution. The direct photon cross section shows a steeper fall-off with E[sub t] than does the theory prediction. D0 has one candidate t[bar t] event in the dilepton mode. The lower limit on M[sub T[sub op]] has been raised to 99 GeV/c[sup 2].
Electroweak Measurements from Hadron Machines
Author: Publisher:
ISBN:
Category :
Languages : en
Pages :
Book Description
The discovery of the W and Z gauge bosons at the Sp[bar p]S in 1983 marked the beginning of direct electroweak measurements at a hadron machine. These measurements vindicated the tree level predictions of the Standard Model. The new generation of hadron collider machines now have data of such precision that the electroweak measurements are probing the quantum corrections to the Standard Model. The importance of these quantum corrections was recognized in the award of the 1999 Nobel Price. These corrections are being tested by a wide variety of measurements ranging from atomic parity violation in cesium to precision measurements at the Z pole and above in e[sup+]e[sup[minus]] collisions. In this article, the latest experimental electroweak data from hadron machines is reviewed. The author has taken a broad definition of a hadron machine to include the results from NuTeV ([nu]N collisions) and HERA (ep collisions) as well as the results of the Tevatron (p[bar p] collisions). This is not an exhaustive survey of all results, but a summary of the new results of the past year and in particular those results which have an influence on the indirect determination of the Higgs mass. This article will cover the direct determinations of the W boson and top quark masses from p[bar p] collisions at[radical]s= 1.8 TeV from the two Tevatron experiments, CDF and D0. These results are based on s-channel production of single W bosons and top quark pairs. The results presented here from the NuTeV and HERA experiments allow one to make complementary measurements and probe the electroweak interaction in the space-like domain up to large momentum transfers in the t-channel.
![Observation of Electroweak Production of a Same-sign W Boson Pair in Association with Two Jets in Pp Collisions at [root] S PDF](https://books.google.com/books/content/images/frontcover/Y0Z3zwEACAAJ?fife=w80-h100)
Author: Anne Kathrin Becker
Author: 
Author: