Search For Exclusive Z Boson Production And Observation Of High Mass P Anti P Gamma Gamma Anti P Pl L Anti P Events In P Anti P Collisions At S1 2 PDF Download
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| Total Pages | : 7 |
| Release | : 2009 |
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Download Search for Exclusive Z Boson Production and Observation of High Mass P Anti-p ---] Gamma Gamma Anti-p ---] Pl+ L- Anti-p Events in P Anti-p Collisions at S**1/2 Book in PDF, ePub and Kindle
We present a search for exclusive Z boson production in proton-antiproton collisions at √s = 1.96 TeV, using the CDF II detector at Fermilab. We observe no exclusive Z → l+l− candidates and place the first upper limit on the exclusive Z cross section in hadron collisions, [sigma]{sub excl}(Z) 0.96 pb at 95% confidence level. In addition, we observe eight candidate exclusive dilepton events from the quantum electrodynamic process p{bar p} → p[gamma][gamma]{bar p} → pl+l− {bar p}, and measure the cross section for M{sub l{ell}} 40 GeV=c2 and.
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| Total Pages | : 7 |
| Release | : 2009 |
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Download Search for Exclusive Z Boson Production and Observation of High Mass P Anti-p ---] Gamma Gamma Anti-p ---] Pl+ L- Anti-p Events in P Anti-p Collisions at S**ư Book in PDF, ePub and Kindle
We present a search for exclusive Z boson production in proton-antiproton collisions at √s = 1.96 TeV, using the CDF II detector at Fermilab. We observe no exclusive Z → ll− candidates and place the first upper limit on the exclusive Z cross section in hadron collisions,?{sub excl}(Z) 0.96 pb at 95% confidence level. In addition, we observe eight candidate exclusive dilepton events from the quantum electrodynamic process p{bar p} → p??{bar p} → pl+l− {bar p}, and measure the cross section for M{sub l{ell}} 40 GeV=c2 and.
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| Total Pages | : 125 |
| Release | : 2005 |
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Download A Measurement of Z Boson Production and Rapidity Distribution in P - Anti-p Collisions at S**1/2 Book in PDF, ePub and Kindle
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| Total Pages | : 7 |
| Release | : 2006 |
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Download Search for Particles Decaying Into a Z Boson and a Photon in P Anti-p Collisions at S**1/2 Book in PDF, ePub and Kindle
The authors present the results of the first search for a new particle X produced in p{bar p} collisions at √s = 1.96 TeV and subsequently decaying to Z[gamma]. The search uses 0.3 fb−1 of data collected with the D0 detector at the Fermilab Tevatron Collider. They set limits on the production cross section times the branching fraction [sigma](p{bar p} → X) x B(X → Z[gamma]) that range from 0.4-3.5 pb at the 95% C.L. for X with invariant masses between 100 and 1000 GeV/c2 over a wide range of X decay widths.
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| Total Pages | : 9 |
| Release | : 2005 |
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Download Search for W and Z Bosons in the Reaction Anti-p P ---] 2 Jets + Gamma at S**1/2 Book in PDF, ePub and Kindle
The authors present a study of the dijet invariant mass distribution for the reaction {bar p}p → 2 jets+[gamma] + X, at a center of mass energy of 1.8 TeV, using data collected by the CDF experiment. They compare the data to predictions for the production of a photon with two jets, together with the resonant processes {bar p}p → W/Z + [gamma] + X, in which the W and Z bosons decay hadronically. A fit is made to the dijet invariant mass distribution combining the non-resonant background and resonant processes. They use the result to establish a limit for the inclusive production cross section of W/Z + [gamma] with hadronic decay of the W and Z bosons.
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| Total Pages | : 17 |
| Release | : 2008 |
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Download Search for Hadronic Decays of W and Z Bosons in Photon Events in P Anti-p Collisions at S**1/2 Book in PDF, ePub and Kindle
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| Total Pages | : 17 |
| Release | : 2008 |
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Download Search for Hadronic Decays of W and Z Bosons in Photon Events in P Anti-p Collisions at S**ư Book in PDF, ePub and Kindle
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| Total Pages | : 9 |
| Release | : 2005 |
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Download Search for W and Z Bosons in the Reaction Anti-p P ---] 2 Jets + Gamma at S**ư Book in PDF, ePub and Kindle
The authors present a study of the dijet invariant mass distribution for the reaction {bar p}p → 2 jets+? + X, at a center of mass energy of 1.8 TeV, using data collected by the CDF experiment. They compare the data to predictions for the production of a photon with two jets, together with the resonant processes {bar p}p → W/Z +? + X, in which the W and Z bosons decay hadronically. A fit is made to the dijet invariant mass distribution combining the non-resonant background and resonant processes. They use the result to establish a limit for the inclusive production cross section of W/Z +? with hadronic decay of the W and Z bosons.
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| Total Pages | : 142 |
| Release | : 2007 |
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Download Measurement of Z Boson Transverse Momentum in Proton - Anti-proton Collisions at S**1/2 Book in PDF, ePub and Kindle
This dissertation describes a measurement of the shape of the boson transverse momentum distribution in p{bar p} 2!Z/[gamma]* 2!ee− + X events at a center-of-mass energy of 1.96 TeV. The measurement is made for events with electron-positron mass between 70
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| Total Pages | : 8 |
| Release | : 2010 |
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Download Measurement of Z Gamma Production in Pbar{p} Collisions at Sqrt{s} Book in PDF, ePub and Kindle
The production rate and kinematics of photons produced in association with Z bosons are studied using 2 fb−1 of p{bar p} collision data collected at the Collider Detector at Fermilab. The cross section for p{bar p} → ll−? + X (where the leptons l are either muons or electrons with dilepton mass M{sub l{ell}}> 40 GeV/c2, and where the photon has transverse energy E{sub T}{sup?}> 7 GeV and is well separated from the leptons) is 4.6 ± 0.2 (stat) ± 0.3 (syst) ± 0.3 (lum) pb, which is consistent with standard model expectations. We use the photon ET distribution from Z{gamma} events where the Z has decayed to?+?−, e+e−, or?{bar {nu}} to set limits on anomalous (non-standard-model) trilinear couplings between photons and Z bosons.
