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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: fermilab-pub-13-393-e - PDF; arXiv:1309.5961 - 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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Operational Experience, Improvements, and Performance of the CDF Run II Silicon Vertex Detector
/ Aaltonen, T (Helsinki Inst. of Phys.) ; Behari, S. (Fermilab ; Johns Hopkins U.) ; Boveia, A. (Chicago U., EFI ; UC, Santa Barbara) ; Brau, B. (Massachusetts U., Amherst ; UC, Santa Barbara) ; Bolla, G (Purdue U., West Lafayette) ; Bortoletto, D (Purdue U., West Lafayette) ; Calancha, C (Madrid, CIEMAT) ; Carron, S. (SLAC ; Fermilab) ; Cihangir, S. (Fermilab) ; Corbo, M. (Paris U., VI-VII) et al.
The Collider Detector at Fermilab (CDF) pursues a broad physics program at Fermilab's Tevatron collider. Between Run II commissioning in early 2001 and the end of operations in September 2011, the Tevatron delivered 12 fb-1 of integrated luminosity of p-pbar collisions at sqrt(s)=1.96 TeV. [...]
arXiv:1301.3180; FERMILAB-PUB-13-015-E.-
2013
- Published in : Nucl. Instrum. Methods Phys. Res., A 729 (2013) 153-181
External link: Preprint
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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 K(s)0 K(s)0 Production In Two-photon Collisions With Belle
/ Abashian, Alexander ; Abe, K ; Abe, K ; Adachi, I ; Ahn, B S ; Aihara, H ; Akatsu, M ; Alimonti, G ; Aoki, K ; Asai, K et al.
BELLE-CONF-2000-18 ; KEK-2000-87.
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2000.
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