English
Related papers

Related papers: New Diffraction Results from CDF

200 papers

A search for exclusive two-photon production via photon exchange in proton-proton collisions, pp $\to$ p$\gamma\gamma$p with intact protons, is presented. The data correspond to an integrated luminosity of 9.4 fb$^{-1}$ collected in 2016…

High Energy Physics - Experiment · Physics 2022-06-30 CMS , TOTEM Collaborations

A new production mechanism for the Standard Model Higgs boson in Ultraperipheral Collisions at LHC, which allows Central Exclusive Diffractive production by Double Pomeron Exchange in photon-proton processes, is presented. The Higgs boson…

High Energy Physics - Phenomenology · Physics 2014-11-21 M. B. Gay Ducati , G. G. Silveira

We present the first observation and cross section measurement of exclusive dijet production in pbar-p interactions, pbar + p --> pbar + dijet + p. Using a data sample of 310 pb-1 collected by the Run II Collider Detector at Fermilab at…

High Energy Physics - Experiment · Physics 2010-05-12 CDF Collaboration , T. Aaltonen

We report on a measurement of the fraction of events with a W or Z boson which are produced diffractively in antiproton-proton collisions at a center of mass energy of 1.96 TeV, using data from 0.6 inverse femtobarns of integrated…

High Energy Physics - Experiment · Physics 2011-01-04 T. Aaltonen

We consider central exclusive production of $gg$ dijets in proton-proton (proton-antiproton) collisions at LHC and Tevatron for different intermediate and final gluon polarisations. The amplitude for the process is derived within the…

High Energy Physics - Phenomenology · Physics 2015-05-30 Rafal Maciula , Roman Pasechnik , Antoni Szczurek

A measurement of the dijet production cross section is reported based on proton-proton collision data collected in 2016 at $\sqrt{s}$ = 13 TeV by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of up to 36.3…

High Energy Physics - Experiment · Physics 2025-02-03 CMS Collaboration

We compute the rate for diffractive upsilon meson production at the Tevatron and the LHC. The upsilon is produced diffractively via the subprocess gamma + p -> upsilon + p where the initial photon is radiated off an incoming proton (or…

High Energy Physics - Phenomenology · Physics 2009-08-05 B. E. Cox , J. R. Forshaw , R. Sandapen

In this review, we present and discuss the most recent results on inclusive and exclusive diffractive processes at HERA and Tevatron colliders. Measurements from fixed target experiments at HERMES and Jefferson laboratory are also reviewed.…

High Energy Physics - Phenomenology · Physics 2012-07-04 Laurent Schoeffel

The diffractive heavy quark cross sections are estimated considering photon-Pomeron ($\gamma \pom$) interactions in hadron - hadron at RHIC, Tevatron, and CERN LHC energies. We assume the validity of the hard diffractive factorization and…

High Energy Physics - Phenomenology · Physics 2015-06-03 V. P. Goncalves , M. M. Machado

Massless quark and antiquark jet production at large transverse momentum in the coherent diffractive processes at hadron colliders is calculated in the two-gluon exchange parametrization of the Pomeron model. We use the helicity amplitude…

High Energy Physics - Phenomenology · Physics 2007-05-23 Feng Yuan , Kuang-Ta Chao

We report the first observation of diffractive $J/\psi(\to \mu^+\mu^-)$ production in $\bar pp$ collisions at $\sqrt{s}$=1.8 TeV. Diffractive events are identified by their rapidity gap signature. In a sample of events with two muons of…

High Energy Physics - Experiment · Physics 2010-05-28 T. Affolder

Results on diffractive particle interactions from the Fermilab Tevatron pbar-p collider are placed in perspective through a QCD inspired phenomenological approach, which exploits scaling and factorization properties observed in data. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. Goulianos

Following our recent paper on the calculations of diffractive quark jet production at hadron colliders, we present here the calculations of gluon jet production at hadron colliders in the two-gluon exchange parameterization of the Pomeron…

High Energy Physics - Phenomenology · Physics 2007-05-23 Feng Yuan , Kuang-Ta Chao

We report on searches for the standard model Higgs boson with the CDF and D0 detectors using up to 2.7 fb$^{-1}$ of $\sqrt s=$ 1.96 TeV proton anti-proton collisions at Fermilab's Tevatron. We focus on analyses that are sensitive to low…

High Energy Physics - Experiment · Physics 2008-10-15 Bernd Stelzer

In this paper we estimate the production of dimuons ($\mu^+ \mu^-$) in exclusive photon -- photon ($\gamma \gamma$) and diffractive Pomeron - Pomeron $(I\!P I\!P)$, Pomeron - Reggeon $(I\!P I\!R)$ and Reggeon - Reggeon $(I\!R I\!R)$…

High Energy Physics - Phenomenology · Physics 2018-05-02 V. P. Goncalves , M. M. Jaime , D. E. Martins , M. S. Rangel

We discuss photon-photon fusion mechanisms of dilepton production in proton-proton collisions with rapidity gap in the main detector and one forward proton in the forward proton detectors. This is relevant for the LHC measurements by…

High Energy Physics - Phenomenology · Physics 2021-07-29 Antoni Szczurek , Barbara Linek , Marta Luszczak

We use the POMWIG Monte Carlo generator to predict the cross-sections for double diffractive higgs and di-photon production at the Tevatron and LHC. We find that the higgs production cross-section is too small to be observable at Tevatron…

High Energy Physics - Phenomenology · Physics 2016-09-06 Brian Cox , Jeff Forshaw , Beate Heinemann

At the Fermilab Tevatron energies, ($\sqrt{s}$=1800 GeV and $\sqrt{s}$=630 GeV), jet production is the dominant process. During the period 1992-1996, the D0 and CDF experiments accumulated almost 100 pb**-1 of data and performed the most…

High Energy Physics - Experiment · Physics 2007-05-23 V. Daniel Elvira

We review the signal, and the $b\bar{b}$ background, for Higgs production by the exclusive double-diffractive process, $pp \to p+H+p$, and its subsequent $H \to b\bar{b}$ decay, at the LHC. We discuss the production of Higgs bosons in both…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. D. Martin , A. B. Kaidalov , V. A. Khoze , M. G. Ryskin , W. J. Stirling

Measurements of the ttbar production cross-section at \sqrt{s} = 1.96TeV in proton-antiproton collisions were performed by the CDF and Dzero collaborations using ttbar final states where both W's decay hadronically. Each experiment uses…

High Energy Physics - Experiment · Physics 2010-04-22 Daniel Wicke