Littérature scientifique sur le sujet « Polarised Drell-Yan »

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Articles de revues sur le sujet "Polarised Drell-Yan"

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Longo, Riccardo. « Polarised Drell-Yan at COMPASS ». EPJ Web of Conferences 137 (2017) : 05013. http://dx.doi.org/10.1051/epjconf/201713705013.

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Chiosso, Michela. « Polarised Drell-Yan measurements at COMPASS ». EPJ Web of Conferences 85 (2015) : 02036. http://dx.doi.org/10.1051/epjconf/20158502036.

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Quaresma, M. « Polarised Drell-Yan measurements at COMPASS-II ». Physics of Particles and Nuclei 45, no 1 (janvier 2014) : 333–35. http://dx.doi.org/10.1134/s1063779614010845.

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Quaresma, Márcia. « Measurement of the Polarised Drell-Yan process at COMPASS ». EPJ Web of Conferences 81 (2014) : 04011. http://dx.doi.org/10.1051/epjconf/20148104011.

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Takekawa, S. « Spin physics in polarised Drell-Yan processes at COMPASS ». Nuclear Physics B - Proceedings Supplements 198, no 1 (janvier 2010) : 124–27. http://dx.doi.org/10.1016/j.nuclphysbps.2009.12.025.

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DENISOV, OLEG. « HADRON STRUCTURE STUDY IN FORTHCOMING DRELL–YAN EXPERIMENTS : COMPASS PROJECT AT CERN ». Modern Physics Letters A 24, no 35n37 (7 décembre 2009) : 3033–44. http://dx.doi.org/10.1142/s0217732309001248.

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The study of Drell–Yan (DY) processes involving the collision of an (un)polarised hadron beam on an (un)polarised proton target can result in a fundamental improvement of our knowledge on the transverse momentum dependent (TMDs) parton distribution functions (PDFs) of hadrons. The production mechanism of J/ψ and J/ψ - DY duality can also be addressed. One of the forthcoming polarised DY experiments (COMPASS (SPS, CERN)) is discussed in this context. The most important features of this project are briefly reviewed, as well as its sensitivity to the various transverse momentum dependent spin asymmetries.
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Quaresma, Márcia. « Study of transverse momentum dependent distributions from polarised Drell-Yan at COMPASS ». EPJ Web of Conferences 73 (2014) : 02010. http://dx.doi.org/10.1051/epjconf/20147302010.

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Massacrier, L., M. Anselmino, R. Arnaldi, S. J. Brodsky, V. Chambert, W. den Dunnen, J. P. Didelez et al. « Studies of Transverse-Momentum-Dependent Distributions with a Fixed-Target ExpeRiment Using the LHC Beams (AFTER@LHC) ». International Journal of Modern Physics : Conference Series 40 (janvier 2016) : 1660107. http://dx.doi.org/10.1142/s2010194516601071.

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We report on the studies of Transverse-Momentum-Dependent distributions (TMDs) at a future fixed-target experiment –AFTER@LHC– using the [Formula: see text] or Pb ion LHC beams, which would be the most energetic fixed-target experiment ever performed. AFTER@LHC opens new domains of particle and nuclear physics by complementing collider-mode experiments, in particular those of RHIC and the EIC projects. Both with an extracted beam by a bent crystal or with an internal gas target, the luminosity achieved by AFTER@LHC surpasses that of RHIC by up to 3 orders of magnitude. With an unpolarised target, it allows for measurements of TMDs such as the Boer-Mulders quark distributions and the distribution of unpolarised and linearly polarised gluons in unpolarised protons. Using polarised targets, one can access the quark and gluon Sivers TMDs through single transverse-spin asymmetries in Drell-Yan and quarkonium production. In terms of kinematics, the fixed-target mode combined with a detector covering [Formula: see text] allows one to measure these asymmetries at large [Formula: see text] in the polarised nucleon.
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MATHEWS, PRAKASH, et V. RAVINDRAN. « CAN POLARIZED DRELL-YAN SHED MORE LIGHT ON THE PROTON SPIN ? » Modern Physics Letters A 07, no 29 (21 septembre 1992) : 2695–702. http://dx.doi.org/10.1142/s0217732392002159.

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We analyze polarized Drell-Yan process using the factorization method and derive operator definitions for polarized parton distribution functions. We demonstrate that a factorization analogous to that in the unpolarized Drell-Yan case holds in this process. We study the leading order gluonic contribution to the first moment of polarized Drell-Yan function and show that it is consistent with the results obtained from polarized deep inelastic scattering.
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Parsamyan, Bakur. « Polarized Drell-Yan at COMPASS-II : Transverse Spin Physics Program ». International Journal of Modern Physics : Conference Series 40 (janvier 2016) : 1660109. http://dx.doi.org/10.1142/s2010194516601095.

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Successful realization of polarized Drell-Yan physics program is one of the main goals of the second stage of the COMPASS experiment. Drell-Yan measurements with high energy (190 GeV/c) pion beam and transversely polarized NH3 target have been initiated by a pilot-run in the October 2014 and will be followed by 140 days of data taking in 2015. In the past twelve years COMPASS experiment performed series of SIDIS measurements with high energy muon beam and transversely polarized deuteron and proton targets. Results obtained for Sivers effect and other target transverse spin dependent and unpolarized azimuthal asymmetries in SIDIS serve as an important input for general understanding of spin-structure of the nucleon and are being used in numerous theoretical and phenomenological studies being carried out in the field of transvers-spin physics. Measurement of the Sivers and all other azimuthal effects in polarized Drell-Yan at COMPASS will reveal another side of the spin-puzzle providing a link between SIDIS and Drell-Yan branches. This will be a unique possibility to test universality and key-features of transverse momentum dependent distribution functions (TMD PDFs) using essentially same experimental setup and exploring same kinematic domain. In this review main physics aspects of future COMPASS polarized Drell-Yan measurement of azimuthal transverse spin asymmetries will be presented, giving a particular emphasis on the link with very recent COMPASS results obtained for SIDIS transverse spin asymmetries from four ”Drell-Yan” [Formula: see text]-ranges.
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Thèses sur le sujet "Polarised Drell-Yan"

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Takekawa, Stefano. « Study of T-odd parton distribution functions in polarised Drell-Yan processes at COMPASS ». Doctoral thesis, Università degli studi di Trieste, 2010. http://hdl.handle.net/10077/3722.

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2008/2009
Lo studio di processi di Drell-Yan (DY) polarizzato permette di accedere alle funzioni di distribuzione partoniche dipendenti dal momento intrinseco trasverso (TMD PDF) che sono usate per descrivere la struttura del protone. La proposta di misura di T-odd TMD PDF (funzioni di Sivers e di Boer-Mulders) è in scrittura e verrà presentata all'SPS Committee. Essa illustra l'intezione di usare lo spettrometro dell'esperimento COMPASS al CERN per effettuare questa misura studiando eventi di Drell-Yan polarizzato. Simulazioni di Monte Carlo sono state effettuate e sono riportate le analisi dei dati raccolti durante i test di DY svolti alla fine dei run di COMPASS degli anni 2007, 2008 e 2009.
The study of Drell-Yan (DY) processes allows to access to the transverse momentum dependent parton distribution functions (TMD PDF) which are used to describe the structure of the proton. The proposal of measure of T-odd TMD PDF (Sivers and Boer-Mulders functions) has been written and it will be submitted to the SPS Committee. It is about the use of the COMPASS spectrometer at CERN to perform this measure via Drell-Yan processes. Monte Carlo simulations were done and the analysis of the data collected during the DY test at the end of 2007, 2008 and 2009 runs are reported.
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Pešek, Michael. « Pionem indukovaný polarizovaný Drell-Yan proces v experimentu COMPASS ». Doctoral thesis, 2020. http://www.nusl.cz/ntk/nusl-411965.

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In this work we present the basic theoretical concepts of the description of the nucleon spin structure. The theoretical background of two processes of interest - Semi-inclusive DIS and Drell-Yan - in the terms of Transverse Momentum De- pendent Parton distribution Functions is presented. The COMPASS experiment and particularly its unique polarised target are described in detail. Several target related measurements are presented. The express analysis and detector efficien- cies analysis are presented as examples of important hardware related analysis. Finally two measurements of Transverse Spin Asymmetries are presented. The first measurement is the measurement of the Transverse Spin Asymmetries in J/ψ production in the Semi-inclusive DIS on polarised protons. The second mea- surement is the measurement of Transverse Spin Asymmetries in J/ψ in the π− p polarised Drell-Yan data. 1
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Matoušek, Jan. « Studium procesu Drell-Yan na experimentu Compass ». Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-330274.

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Hadron structure is not fully understood yet. While the spin-averaged Parton Dis- tribution Functions (PDFs) and the helicity-dependent PDFs are well determined, little is known about the transverzity and some other transverse-momentum de- pendent PDFs (TMDs). The COMPASS experiment at CERN is preparing for studying the TMDs using a Drell-Yan process on transversely polarized target hit by pion beam in 2014-2015. An outline of the parton model of hadrons and of the TMDs is given. The COMPASS spectrometer is described, with emphasis on the modifications for the Drell-Yan program, and its capabilities to measure the TMDs is briefly discussed. A special attention is paid to the polarized target. The dilution refrigerator, the DNP system for polarizing the nuclei and the NMR for polarization measurement are described. The new monitoring system of the refrigerator is described, including the author's contribution to it. Issues of the new NMR coils design are discussed. 1
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Chapitres de livres sur le sujet "Polarised Drell-Yan"

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Jaffe, R. L. « Chiral-Odd Parton Distributions and Polarized Drell-Yan ». Dans Spin and Isospin in Nuclear Interactions, 145–53. Boston, MA : Springer US, 1991. http://dx.doi.org/10.1007/978-1-4615-3834-9_12.

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Actes de conférences sur le sujet "Polarised Drell-Yan"

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CHIOSSO, Michela. « Polarised Drell-Yan measurements at COMPASS-II ». Dans XXI International Workshop on Deep-Inelastic Scattering and Related Subjects. Trieste, Italy : Sissa Medialab, 2013. http://dx.doi.org/10.22323/1.191.0269.

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Zemlyanichkina, Elena. « Polarised Drell-Yan measurements at COMPASS-II ». Dans The European Physical Society Conference on High Energy Physics. Trieste, Italy : Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.180.0088.

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Quaresma, Marcia. « Polarised Drell-Yan Process in the COMPASS Experiment ». Dans XXIV International Workshop on Deep-Inelastic Scattering and Related Subjects. Trieste, Italy : Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.265.0218.

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Quaresma, Márcia. « Study of the Hadron Structure Using the Polarised Drell-Yan Process at COMPASS ». Dans Proceedings of the 14th International Conference on Meson-Nucleon Physics and the Structure of the Nucleon (MENU2016). Journal of the Physical Society of Japan, 2017. http://dx.doi.org/10.7566/jpscp.13.020050.

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DOSHITA, Norihiro. « COMPASS polarized Drell-Yan experiment ». Dans XVIth International Workshop in Polarized Sources, Targets, and Polarimetry. Trieste, Italy : Sissa Medialab, 2016. http://dx.doi.org/10.22323/1.243.0040.

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Pesek, Michael, et Jan Matousek. « COMPASS polarized target for Drell-Yan ». Dans XVth International Workshop on Polarized Sources, Targets, and Polarimetry. Trieste, Italy : Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.182.0009.

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Jen, Chun-Min. « E1039/SpinQuest Polarized Drell-Yan Experiment at Fermilab ». Dans E1039/SpinQuest Polarized Drell-Yan Experiment at Fermilab. US DOE, 2019. http://dx.doi.org/10.2172/1771171.

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RATCLIFFE, P. G. « TRANSVERSITY AND DRELL−YAN K-FACTORS ». Dans Proceedings of the 16th International Spin Physics Symposium and Workshop on Polarized Electron Sources and Polarimeters. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701909_0044.

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Sawada, Takahiro. « Polarized Drell-Yan measurement at COMPASS-II ». Dans XV International Conference on Hadron Spectroscopy. Trieste, Italy : Sissa Medialab, 2014. http://dx.doi.org/10.22323/1.205.0157.

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Parsamyan, Bakur. « Transversely polarized Drell-Yan measurements at COMPASS ». Dans XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects. Trieste, Italy : Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.352.0195.

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Rapports d'organisations sur le sujet "Polarised Drell-Yan"

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Isenhower, L. D., T. Hague, R. Towell, S. Watson, C. Aidala, C. Dutta, W. Lorenzon et al. Polarized Drell-Yan measurements with the Fermilab Main Injector. Office of Scientific and Technical Information (OSTI), mai 2012. http://dx.doi.org/10.2172/1127901.

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Geesaman, D., P. Reimer, C. Brown, D. Christian, M. Diefenthaler, J. C. Peng, W. C. Chang et al. Letter of Intent for a Drell-Yan Experiment with a Polarized Proton Target. Office of Scientific and Technical Information (OSTI), janvier 2014. http://dx.doi.org/10.2172/1296770.

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