CERN Accelerating science

CERN Document Server 11 record trovati  1 - 10successivo  salta al record: La ricerca ha impiegato 0.51 secondi. 
1.
Measurement of the charge asymmetry of electrons from the decays of W bosons produced in pˉp collisions at s=1.96 TeV / CDF Collaboration
At the Fermilab Tevatron proton-antiproton (pˉp) collider, high-mass electron-neutrino (eν) pairs are produced predominantly in the process pˉpW(eν)+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; fermilab-pub-21-293-e - PDF; 2107.04678 - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
2.
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
3.
Searches for Λ0b and Ξ0b decays to K0Spπ and K0SpK final states with first observation of the Λ0bK0Spπ decay / LHCb collaboration
A search for previously unobserved decays of beauty baryons to the final states K0Spπ and K0SpK is reported. The analysis is based on a data sample corresponding to an integrated luminosity of 1.0fb1 of pp collisions. [...]
arXiv:1402.0770; LHCB-PAPER-2013-061; CERN-PH-EP-2014-012; LHCB-PAPER-2013-061; CERN-PH-EP-2014-012.- Geneva : CERN, 2014 - 24 p. - Published in : JHEP 04 (2014) 087 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF;
4.
Updated measurements of exclusive J/ψ and ψ(2S) production cross-sections in pp collisions at s=7 TeV / LHCb collaboration
The differential cross-section as a function of rapidity has been measured for the exclusive production of J/ψ and ψ(2S) mesons in proton-proton collisions at s=7 TeV, using data collected by the LHCb experiment, corresponding to an integrated luminosity of 930 pb1. The cross-sections times branching fractions to two muons having pseudorapidities between 2.0 and 4.5 are measured to be σppJ/ψμ+μ(2.0<ημ±<4.5)=291±7±19 pb,σppψ(2S)μ+μ(2.0<ημ±<4.5)=6.5±0.9±0.4 pb, where the first uncertainty is statistical and the second is systematic. [...]
arXiv:1401.3288; CERN-PH-EP-2013-233; LHCB-PAPER-2013-059; CERN-PH-EP-2013-233; LHCB-PAPER-2013-059.- Geneva : CERN, 2014 - 20 p. - Published in : J. Phys. G 41 (2014) 055002 Fulltext: PDF; IOP Open Access article: PDF; Related data file(s): TAR; External link: Preprint
5.
Observation of associated production of a Z boson with a D meson in the forward region / LHCb collaboration
A search for associated production of a Z boson with an open charm meson is presented using a data sample, corresponding to an integrated luminosity of 1.0fb1 of proton--proton collisions at a centre-of-mass energy of 7 TeV, collected by the LHCb experiment. Seven candidate events for associated production of a Z boson with a D0 meson and four candidate events for a Z boson with a D+ meson are observed with a combined significance of 5.1 standard deviations. [...]
arXiv:1401.3245; CERN-PH-EP-2013-235; LHCB-PAPER-2013-062; CERN-EP-2013-235; CERN-PH-EP-2013-235; LHCB-PAPER-2013-062.- Geneva : CERN, 2014 - 17 p. - Published in : JHEP(2014)091 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; Supplementary Related data file(s): ZIP; External link: Preprint
6.
Studies of beauty baryon decays to D0ph and Λ+ch final states / LHCb collaboration
Decays of beauty baryons to the D0ph and Λ+ch final states (where h indicates a pion or a kaon) are studied using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb1, collected by the LHCb detector. The Cabibbo-suppressed decays Λ0bD0pK and Λ0bΛ+cK are observed and their branching fractions are measured with respect to the decays Λ0bD0pπ and Λ0bΛ+cπ. [...]
arXiv:1311.4823; CERN-PH-EP-2013-207; LHCB-PAPER-2013-056; CERN-PH-EP-2013-207; LHCB-PAPER-2013-056.- Geneva : CERN, 2014-02-13 - 15 p. - Published in : Phys. Rev. D 89 (2014) 032001 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; Related supplementary data file(s): ZIP; External link: Preprint
7.
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, MW, using data corresponding to 2.2/fb of integrated luminosity collected in ppbar collisions at s = 1.96 TeV with the CDF II detector at the Fermilab Tevatron. The selected sample of 470126 Weν candidates and 624708 Wμν candidates yields the measurement MW=80387±12 (stat) ±15 (syst)=80387±19 MeV/c2 . [...]
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
8.
Study of forward Z+jet production in pp collisions at s = 7 TeV / LHCb collaboration
A measurement of the Z(μ+μ)+jet production cross-section in pp collisions at a centre-of-mass energy s=7 TeV is presented. The analysis is based on an integrated luminosity of 1.0fb1 recorded by the LHCb experiment. [...]
arXiv:1310.8197; LHCB-PAPER-2013-058; CERN-PH-EP-2013-198; LHCB-PAPER-2013-058; CERN-PH-EP-2013-198.- Geneva : CERN, 2014-01 - 22 p. - Published in : JHEP 01 (2014) 033 Article from SCOAP3: PDF; Fulltext: PDF; Related data file(s): ZIP; Springer Open Access article: PDF; Supplementary Related data file(s): ZIP; External link: Rivet analyses reference
9.
Measurement of CP violation in the phase space of B±K+Kπ± and B±π+ππ± decays / LHCb collaboration
The charmless decays B±K+Kπ± and B±π+ππ± are reconstructed in a data set, corresponding to an integrated luminosity of 1.0 fb1 of pp collisions at a center-of-mass energy of 7 TeV, collected by LHCb in 2011. The inclusive charge asymmetries of these modes are measured to be ACP(B±K+Kπ±)=0.141±0.040(stat)±0.018(syst)±0.007(J/ψK±) and ACP(B±π+ππ±)=0.117±0.021(stat)±0.009(syst)±0.007(J/ψK±), where the third uncertainty is due to the CP asymmetry of the B±J/ψK± reference mode. [...]
arXiv:1310.4740; LHCB-PAPER-2013-051; CERN-PH-EP-2013-190; LHCB-PAPER-2013-051; CERN-PH-EP-2013-190.- Geneva : CERN, 2014-01-07 - 8 p. - Published in : Phys. Rev. Lett. 112 (2014) 011801 APS Open Access article: PDF; Fulltext: PDF; Related data file(s): ZIP; External link: Preprint
10.
Study of orbitally excited B mesons and evidence for a new Bπ 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 B0π+ and B+π 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 B0 and B0s 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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126 Garosi, P
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