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Measurement of the charge asymmetry of electrons from the decays of $W$ bosons produced in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV / CDF Collaboration
At the Fermilab Tevatron proton-antiproton (

$p\bar{p}$ ) collider, high-mass electron-neutrino (

$e\nu$ ) pairs are produced predominantly in the process

$p \bar{p} \rightarrow W(\rightarrow e\nu) + X$ . The asymmetry of the electron and positron yield as a function of their pseudorapidity constrain the slope of the ratio of the

$u$ - to

$d$ -quark parton distributions versus the fraction of the proton momentum carried by the quarks. [...]
arXiv:2107.04678; FERMILAB-PUB-21-293-E.- 2021-11-01 - 27 p. - Published in : Phys. Rev. D 104 (2021) 092002 Fulltext: Fulltext - PDF; 2107.04678 - PDF; fermilab-pub-21-293-e - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server

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A Study of the Energy Dependence of the Underlying Event in Proton-Antiproton Collisions / for the CDF Collaboration
We study charged particle production in proton-antiproton collisions at 300 GeV, 900 GeV, and 1.96 TeV. We use the direction of the charged particle with the largest transverse momentum in each event to define three regions of eta-phi space; toward, away, and transverse. [...]
arXiv:1508.05340; FERMILAB-PUB-15-361-E; FERMILAB-PUB-15-361-E.- 2015-11-23 - 21 p. - Published in : Phys. Rev. D 92 (2015) 092009 Fulltext: PDF; External links: Fermilab Accepted Manuscript; Fermilab Today Result of the Week; Rivet analyses reference

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A precise measurement of the $W$ -boson mass with the Collider Detector at Fermilab / Aaltonen, Timo Antero (Helsinki U. ; Helsinki Inst. of Phys.) ; Amerio, Silvia (INFN, Padua ; Padua U.) ; Amidei, Dante E (Michigan U.) ; Anastassov, Anton Iankov (Fermilab ; Northwestern U.) ; Annovi, Alberto (Frascati) ; Antos, Jaroslav (Comenius U. ; Kosice, IEF) ; Apollinari, Giorgio (Fermilab) ; Appel, Jeffrey A (Fermilab) ; Arisawa, Tetsuo (Waseda U.) ; Artikov, Akram Muzafarovich (Dubna, JINR) et al. /R. C. Group
We present a measurement of the

$W$ -boson mass,

$M_W$ , using data corresponding to 2.2/fb of integrated luminosity collected in ppbar collisions at

$\sqrt{s}$ = 1.96 TeV with the CDF II detector at the Fermilab Tevatron. The selected sample of 470126

$W\to e\nu$ candidates and 624708

$W\to\mu\nu$ candidates yields the measurement

$M_W = 80387\pm 12$ (stat)

$\pm 15$ (syst)

$= 80387 \pm 19$ MeV

$/c^2$ . [...]
arXiv:1311.0894; FERMILAB-PUB-13-515-E.- 2014-04-03 - 40 p. - Published in : Phys. Rev. D 89 (2014) 072003 Fulltext: arXiv:1311.0894 - PDF; fermilab-pub-13-515-e - PDF; External links: Fermilab Library Server (fulltext available); Fermilab Today Result of the Week

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Study of orbitally excited $B$ mesons and evidence for a new $B\pi$ resonance / Aaltonen, Timo Antero (Helsinki U. ; Helsinki Inst. of Phys.) ; Amerio, Silvia (INFN, Padua ; Padua U.) ; Amidei, Dante E (Michigan U.) ; Anastassov, Anton Iankov (Fermilab ; Northwestern U.) ; Annovi, Alberto (Frascati) ; Antos, Jaroslav (Comenius U. ; Kosice, IEF) ; Apollinari, Giorgio (Fermilab) ; Appel, Jeffrey A (Fermilab) ; Arisawa, Tetsuo (Waseda U.) ; Artikov, Akram Muzafarovich (Dubna, JINR) et al. /R. C. Group
Using the full CDF Run II data sample, we report evidence for a new resonance, which we refer to as B(5970), found simultaneously in the

$B^0\pi^+$ and

$B^+\pi^-$ mass distributions with a significance of 4.4 standard deviations. We further report the first study of resonances consistent with orbitally excited

$B^{+}$ mesons and an updated measurement of the properties of orbitally excited

$B^0$ and

$B_s^0$ mesons. [...]
arXiv:1309.5961; FERMILAB-PUB-13-393-E; PUB-13-393-E-(FERMILAB); PUB-13-393-E (FERMILAB).- 2014-07-28 - 14 p. - Published in : Phys. Rev. D 90 (2014) 012013 Fulltext: arXiv:1309.5961 - PDF; fermilab-pub-13-393-e - PDF; External links: Fermilab Today Result of the Week; Fermilab Library Server (fulltext available)

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Exclusion of exotic top-like quarks with -4/3 electric charge using jet-charge tagging in single-lepton ttbar events at CDF / Aaltonen, T. (Helsinki Inst. of Phys.) ; Amerio, S. (INFN, Padua) ; Amidei, D. (Michigan U.) ; Anastassov, A. (Fermilab ; Northwestern U.) ; Annovi, A. (Frascati) ; Antos, J. (Comenius U.) ; Apollinari, G. (Fermilab) ; Appel, J.A. (Fermilab) ; Arisawa, T. (Waseda U.) ; Artikov, A. (Dubna, JINR) et al. /R. C. Group
We report on a measurement of the top-quark electric charge in ttbar events in which one W boson originating from the top-quark pair decays into leptons and the other into hadrons. The event sample was collected by the CDF II detector in sqrt(s)=1.96 TeV proton-antiproton collisions and corresponds to 5.6 fb^(-1). [...]
arXiv:1304.4141; FERMILAB-PUB-13-098-E; FERMILAB-PUB-13-098-E.- 2013-08-05 - 13 p. - Published in : Phys. Rev. D 88 (2013) 032003 APS published version, local copy: PDF; Fermilab Library: PDF; Fulltext: PDF; External links: Fermilab Library Server (fulltext available); Fermilab Today Result of the Week

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Measurement of the Mass Difference Between Top and Anti-top Quarks at CDF / Aaltonen, T. (Helsinki Inst. of Phys.) ; Alvarez Gonzalez, B. (Cantabria Inst. of Phys. ; Oviedo U.) ; Amerio, S. (INFN, Padua) ; Amidei, D. (Michigan U.) ; Anastassov, A. (Fermilab ; Northwestern U.) ; Annovi, A. (Frascati) ; Antos, J. (Comenius U.) ; Apollinari, G. (Fermilab) ; Appel, J.A. (Fermilab) ; Arisawa, T. (Waseda U.) et al. /R. C. Group
We present a measurement of the mass difference between top (

$t$ ) and anti-top (

$\bar{t}$ ) quarks using

$t\bar{t}$ candidate events reconstructed in the final state with one lepton and multiple jets. We use the full data set of Tevatron

$\sqrt{s} = 1.96$ TeV proton-antiproton collisions recorded by the CDF II detector, corresponding to an integrated luminosity of 8.7 fb

$^{-1}$ . [...]
arXiv:1210.6131; FERMILAB-PUB-12-577-E.- 2013-03-18 - 7 p. - Published in : Phys. Rev. D 87 (2013) 052013 Fermilab Library: PDF; Fulltext: PDF; External link: Fermilab Library Server (fulltext available)

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Search for new phenomena in events with two $Z$ bosons and missing transverse momentum in $p\bar{p}$ collisions at $\sqrt{s}=1.96$ TeV / Aaltonen, T. (Helsinki Inst. of Phys.) ; Alvarez Gonzalez, B. (Cantabria Inst. of Phys. ; Oviedo U.) ; Amerio, S. (INFN, Padua) ; Amidei, D. (Michigan U.) ; Anastassov, A. (Fermilab ; Northwestern U.) ; Annovi, A. (Frascati) ; Antos, J. (Comenius U.) ; Apollinari, G. (Fermilab) ; Appel, J.A. (Fermilab) ; Arisawa, T. (Waseda U.) et al. /R. C. Group
We present a search for new phenomena in events with two reconstructed

$Z$ bosons and large missing transverse momentum, sensitive to processes

$p\bar{p}\rightarrow X_2X_2 \rightarrow Z Z X_1 X_1$ , where

$X_2$ is an unstable particle decaying as

$X_2\rightarrow ZX_1$ and

$X_1$ is undetected. The particles

$X_1$ and

$X_2$ may be, among other possibilities, fourth generation neutrinos or supersymmetric particles. [...]
arXiv:1112.1577; FERMILAB-PUB-11-645-E.- 2012 - 7 p. - Published in : Phys. Rev. D 85 (2012) 011104 Fulltext: PDF; External link: Fermilab Library Server (fulltext available)

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Measurement of the Top Pair Production Cross Section in the Lepton + Jets Channel Using a Jet Flavor Discriminant / for the CDF Collaboration
We present a new method to measure the top quark pair production cross section and the background rates with 2.7 fb

$^{-1}$ of data from

$p\bar{p}$ collisions at

$\sqrt{s} =1.96$ TeV collected with the CDF II Detector. The size of the dataset was chosen to directly show the improvements of this new method. [...]
arXiv:1103.4821; FERMILAB-PUB-11-148-E.- 2011 - 7 p. - Published in : Phys. Rev. D 84 (2011) 031101 Fulltext: arXiv:1103.4821 - PDF; fermilab-pub-11-148-e - PDF; External links: Fermilab Library Server (fulltext available); Fermilab Today Result of the Week

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Study of sequential semileptonic decays of b hadrons produced at the Tevatron / Apollinari, G (Fermilab) ; Fiori, I (INFN, Pisa ; Pisa U. ; Pisa, Scuola Normale Superiore) ; Giromini, P (Frascati) ; Happacher, F (Frascati) ; Miscetti, S (Frascati) ; Parri, A (Frascati) ; Ptohos, F (Frascati)
We present a study of rates and kinematical properties of lepton pairs contained in central jets with transverse energy E_T > 15 GeV that are produced at the Fermilab Tevatron collider. We compare the data to a QCD prediction based on the HERWIG and QQ Monte Carlo generator programs.We find that the data are poorly described by the simulation, in which sequential semileptonic decays of single b quarks (b --> l c X with c --> l s X) are the major source of such lepton pairs..
hep-ex/0507043; FERMILAB-Pub-2005-271-E.- Batavia, IL : FERMILAB, 2005 - 25 p. - Published in : Phys. Rev. D 72 (2005) 072002 Access to fulltext document: PDF; External link: hep-ex/0507043 PDF

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10.

Search for the $\eta/_{c} (2^{1}S_{0})$ Charmonium Resonance / E835 Collaboration
FERMILAB-PUB-2001-203-E. - 2001.
Fulltext from Fermilab

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Смотрите также: похожие имена автора
121	Ptohos, F.
50	Ptohos, Fotios K
1	Ptohos, Fotios K.

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