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CERN Document Server Pronađeno je 34 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 0.75 sekundi 
1.
Pion and kaon SIDIS multiplicities from COMPASS / Kunne, Fabienne (IRFU, Saclay, DPHN) /COMPASS Collaboration
We present preliminary COMPASS results on pion and kaon multiplicities produced in semi- inclusive deep inelastic scattering of 160 GeV muons off an isoscalar ($^6$LiD) target. The results constitute an impressive data set of more than 600 points for pions and 600 for kaons, covering a large $x, Q^2$ and $z$ domain in a fine binning. [...]
SISSA, 2019 - 6 p. - Published in : PoS SPIN2018 (2019) 134 Fulltext: PDF;
In : 23rd International Spin Symposium, Ferrara, Italy, 10 - 14 Sep 2018, pp.134
2.
COMPASS results on proton longitudinal spin structure function $g_1$ and quark fragmentation functions / Kunne, Fabienne (IRFU, Saclay) /COMPASS
We present a few recent highlights from the COMPASS experiment at CERN, related to the nucleon spin and structure: the proton spin structure function $\text{g}_{1} ^{p}(x)$ measured using 200 GeV polarized muons, together with a QCD fit of $\text{g}_{1}$ world data; pion and kaon multiplicities in DIS in view of constraining quark fragmentation functions.The statistical precision on $\text{g}_{1} ^{p}$ is improved by a factor of $\sim 2$ at low $x$. A reevaluation of the Bjorken sum rule based on COMPASS data alone confirms its validation within 9% accuracy. [...]
2017 - 7 p. - Published in : EPJ Web Conf. 164 (2017) 01007 Fulltext: PDF;
In : 5th International Conference on New Frontiers in Physics, Kolymbari, Greece, 6 - 14 Jul 2016, pp.01007
3.
COMPASS measurement of pion and kaon multiplicities and extraction of quark fragmentation functions into pions / Kunne, Fabienne (IRFU, SPhN, Saclay) /COMPASS
We present preliminary COMPASS results on pion and kaon multiplicities produced in semi inclusive deep inelastic scattering of 160 GeV muons off an isoscalar ($^{6}$LiD) target. The results constitute an impressive data set of more than 400 points in p and 400 in K, covering a large x,Q$^{2}$ and z domain in a fine binning, which will be used in future QCD fits at next to leading order to extract quark fragmentation functions. [...]
2016 - 4 p. - Published in : Int. J. Mod. Phys. Conf. Ser. 40 (2016) 1660027
In : 21st International Symposium on Spin Physics, Beijing, China, 20 - 24 Oct 2014, pp.1660027
4.
Compass measurement of g$_1$ and QCD fits / Kunne, Fabienne (IRFU, Saclay) /COMPASS
We present the latest COMPASS results on the proton spin structure function g1p(x) at 200GeV. The data improve the statistical precision by a factor of ∼2 at low x. [...]
2016 - 4 p. - Published in : Int. J. Mod. Phys. Conf. Ser. 40 (2016) 1660017
In : 21st International Symposium on Spin Physics, Beijing, China, 20 - 24 Oct 2014, pp.1660017
5.
Results from COMPASS / Kunne, Fabienne (SPhN, DAPNIA, Saclay)
COMPASS has accumulated so far 3 years of data, using the 160 GeV polarized muon beam from CERN and a polarized deuterium target to study the spin structure of the nucleon. [...]
2006. - 8 p.
Fulltext
6.
Measurement of the gluon polarization $\Delta g/g$ from Open Charm at COMPASS / Kunne, Fabienne (IRFU, SPhN, Saclay) /on behalf of the COMPASS Collaboration
We have measured the gluon polarization in the nucleon by detecting charm production via D$^{0}$ meson decay to charged K and $\pi$ in polarized muon scattering off a longitudinally polarized deuteron target. The dominant process for charm production is the photon gluon fusion into a charm anti-charm quark pair. [...]
2008 - 4 p. - Published in : AIP Conf. Proc. 1149 (2008) 921-924 Fulltext: PDF;
In : 18th International Spin Physics Symposium, Charlottesville, VA, USA, 6 - 11 Oct 2008, pp.321-324
7.
Overview of Spin Studies at COMPASS / Kunne, Fabienne (IRFU, SPhN, Saclay)
Spin studies at COMPASS are presented. [...]
2012. - 5 p.
Full text
8.
Nucleon Longitudinal Spin Structure- Experimental overview / Kunne, Fabienne (IRFU, SPhN, Saclay)
We review here the results on the gluon and quark helicities obtained by HERMES, COMPASS, PHENIX and STAR. [...]
2012. - 5 p.
Fulltext
9.
The 20th International Symposium on Spin Physics - SPIN2012   17 - 22 Sep 2012  - Dubna, Russia  / Lednicky, Richard (ed.); Akopov, Norair (ed.); Alexandrov, Yury (ed.); Alexeev, Nikolay (ed.); Belostotski, Stanislav (ed.); Belov, Alexander (ed.); d'Hose, Nicole (ed.); Goloskokov, Sergei (ed.); Efremov, Anatoly (ed.); Finger, Miroslav (ed.) et al.
2012
10.
New pixelized Micromegas detector for the COMPASS experiment / for the COMPASS Collaboration
New Micromegas (Micro-mesh gaseous detectors) are being developed in view of the future physics projects planned by the COMPASS collaboration at CERN. Several major upgrades compared to present detectors are being studied: detectors standing five times higher luminosity with hadron beams, detection of beam particles (flux up to a few hundred of kHz/mm^2, 10 times larger than for the present detectors) with pixelized read-out in the central part, light and integrated electronics, and improved robustness. [...]
arXiv:0909.5402.- 2009 - 11 p.
Fulltext: PDF; External link: Preprint
In : 1st International Conference on Micro-Pattern Gaseous Detectors, Kolympari, Crete, Greece, 12 - 15 Jun 2009, pp.P12004

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