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Relevant bibliographies by topics / Gluon Sivers function

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Academic literature on the topic 'Gluon Sivers function'

Author: Grafiati

Published: 6 September 2023

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Journal articles on the topic "Gluon Sivers function"

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Boer, Daniël, Cédric Lorcé, Cristian Pisano, and Jian Zhou. "The Gluon Sivers Distribution: Status and Future Prospects." Advances in High Energy Physics 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/371396.

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We review what is currently known about the gluon Sivers distribution and what are the opportunities to learn more about it. Because single transverse spin asymmetries inp↑p→πXprovide only indirect information about the gluon Sivers function through the relation with the quark-gluon and tri-gluon Qiu-Sterman functions, current data from hadronic collisions at RHIC have not yet been translated into a solid constraint on the gluon Sivers function. SIDIS data, including the COMPASS deuteron data, allow for a gluon Sivers contribution of natural size expected from largeNcarguments, which isO(1/Nc)times the nonsinglet quark Sivers contribution. Several very promising processes to measure the gluon Sivers effect directly have been suggested, which besides RHIC investigations, would strongly favor experiments at AFTER@LHC and a possible future Electron-Ion Collider. Due to the inherent process dependence of TMDs, the gluon Sivers TMD probed in the various processes are different linear combinations of two universal gluon Sivers functions that have different behavior under charge conjugation and that therefore satisfy different theoretical constraints. For this reason both hadronic and DIS type of collisions are essential in the study of the role of gluons in transversely polarized protons.

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Zheng, Liang, E. C. Aschenauer, J. H. Lee, Bo-Wen Xiao, and Zhong-Bao Yin. "Measuring Gluon Sivers Function at a Future Electron-Ion Collider." International Journal of Modern Physics: Conference Series 46 (January 2018): 1860021. http://dx.doi.org/10.1142/s2010194518600212.

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In this work, we present a systematic study on the feasibility of probing the largely unexplored gluon Sivers function (GSF) based on the open charm production, charged dihadron and dijet method at a future high energy, high luminosity Electron-Ion Collider (EIC). Sivers function describes the anisotropy of parton distributions inside a transversely polarized nucleon in the momentum space and provides us a complete picture of the 2+1D structure of the nucleons. It is proposed that the GSF can be studied through the single spin asymmetry (SSA) measurement in the photon-gluon fusion channel with electron proton collisions at the EIC. Using a well tuned Monte Carlo model for deep inelastic scatterings, we estimate the possible constraints of the gluon Sivers effect one can draw from the future EIC data. Comparisons of all the possible measurements further illustrate that the dijet method is the most promising way to demonstrate the presence of GSF and pin down its evolution effect.

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Yao, Xiaojun, Yoshikazu Hagiwara, and Yoshitaka Hatta. "Computing the gluon Sivers function at small-x." Physics Letters B 790 (March 2019): 361–66. http://dx.doi.org/10.1016/j.physletb.2019.01.029.

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Klein, Andi. "Measuring the Sea Quark Sivers Asymmetry: The E1039 Experiment at Fermilab." International Journal of Modern Physics: Conference Series 37 (January 2015): 1560064. http://dx.doi.org/10.1142/s2010194515600642.

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One of the continuing puzzles in QCD is the origin of the nucleon spin. All of the existing experimental data suggest that the contributions from the quark and gluon spins account only for about 50% of the nucleon spin. In order to account for the remaining 50%, one has to include the orbital angular momentum of the quarks and gluons. One way to establish if quarks carry significant angular momentum, is to perform a measurement of the Sivers function, which describes the correlation of the spin direction of the nucleon with the transverse momentum of the quark. We will describe the E1039 experiment at Fermilab, which will measure the Sivers asymmetry of the sea quarks via the Drell-Yan process, using a 120 GeV unpolarized proton beam on a transversely polarized NH 3 target.

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MUKHERJEE, ASMITA. "SIVERS ASYMMETRY IN e + p↑ → e + J/ψ + X." International Journal of Modern Physics: Conference Series 20 (January 2012): 162–67. http://dx.doi.org/10.1142/s2010194512009208.

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A recent investigation of the single spin asymmetry (SSA) in low virtuality electroproduction/photoproduction of J/ψ in color evaporation model is presented. It is shown that the asymmetry is sizable and can be used as a probe for the still unknown gluon Sivers function.

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Guskov, Alexey, Amaresh Datta, Anton Karpishkov, Igor Denisenko, and Vladimir Saleev. "Probing Gluons with the Future Spin Physics Detector." Physics 5, no. 3 (June 27, 2023): 672–87. http://dx.doi.org/10.3390/physics5030044.

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In this paper, we review the physics studies to be performed with the Spin Physics Detector (SPD) at the Nuclotron-based Ion Collider fAcility (NICA) which is a multi-purpose experiment designed to study nucleon spin structure in the three dimensions. With capabilities to collide polarized protons and deuterons with center-of-mass energy up to 27 GeV and luminosity up to 1032cm−2s−1 for protons (an order of magnitude less for deuterons), the experiment is considered to allow measurements of cross-sections and spin asymmetries of hadronic processes sensitive to the unpolarized and various polarized (helicity, Sivers, Boer-Mulders) gluon distributions inside the nucleons. Results from the SPD will be complimentary to the present high-energy spin experiments at the RHIC (Relativistic Heavy Ion Collider) facility or future experiments such as the Electron-Ion Collider (EIC) at BNL (Brookhaven National Laboratory) and the AFTER experiment at the LHC (Large Hadron Collider) in understanding the spin structure of the basic building blocks of visible matter. Monte Carlo simulation-based results presented here demonstrate the impact of the SPD asymmetry measurements on gluon helicity parton distribution function (PDF) and gluon Sivers functions. With polarized deuteron collisions, the SPD is expected to be the unique laboratory for probing tensor-polarized gluon distributions. Additionally, there are possibilities of colliding other light nuclei, such as carbon, at reduced collision energy and luminosity during the first stage of the experiment.

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KANG, ZHONG-BO, and JIAN-WEI QIU. "QCD EVOLUTION OF NAIVE-TIME-REVERSAL-ODD QUARK-GLUON CORRELATION FUNCTIONS." International Journal of Modern Physics: Conference Series 20 (January 2012): 118–28. http://dx.doi.org/10.1142/s2010194512009154.

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In this talk, we examine the existing calculations of QCD evolution kernels for the scale dependence of two sets of twist-3 quark-gluon correlation functions, Tq,F(x, x) and [Formula: see text], which are the first transverse-momentum-moment of the naive-time-reversal-odd Sivers and Boer-Mulders function, respectively. The evolution kernels at the leading order in strong coupling constant αs were derived by several groups with apparent differences. We identify the sources of discrepancies and are able to reconcile the results from various groups.

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Wang, Xiaorong, and Feng Wei. "AN of Single Heavy Flavor Decay Muon in the PHENIX Experiment at RHIC." International Journal of Modern Physics: Conference Series 40 (January 2016): 1660043. http://dx.doi.org/10.1142/s2010194516600430.

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Transverse single-spin asymmetries provide valuable information about the spin structure of the nucleon. At RHIC energies, heavy-flavor production is dominated by gluon-gluon fusion, and the subsequent decay into high [Formula: see text] electrons or muons can be observed statistically in a collider detector like PHENIX. The transverse single-spin asymmetry in heavy-flavor production originates from the initial state correlation between the internal transverse momentum of the parton and the transverse spin of the nucleon (similar with the known Sivers effect). The measurement of transverse single-spin asymmetry of single muons from heavy flavor decay at RHIC serves as a clean probe and would provide important information on the gluon Sivers function. In 2012, the PHENIX experiment collected 9.2 [Formula: see text] integrated luminosity in transversely polarized [Formula: see text] collisions at [Formula: see text] = 200 GeV with a polarization of [Formula: see text]. The signal-to-background ratio was improved by a factor of two compared to the previous RHIC 2006 and 2008 results in high transverse momentum region ([Formula: see text]GeV). The recent PHENIX preliminary results of transverse single-spin asymmetries of single heavy flavor decay muon at forward-rapidity will be shown and the possible improvement on this measurement in 2015 with the help of the FVTX detector will be discussed.

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VITEV, IVAN, ZHONG-BO KANG, and HONGXI XING. "TRANSVERSE MOMENTUM-WEIGHTED SIVERS ASYMMETRY IN SEMI-INCLUSIVE DEEP INELASTIC SCATTERING AT NEXT-TO-LEADING ORDER." International Journal of Modern Physics: Conference Series 25 (January 2014): 1460019. http://dx.doi.org/10.1142/s2010194514600192.

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We summarize the results of a recent study of next-to-leading order perturbative QCD corrections to the transverse momentum-weighted Sivers asymmetry in semi-inclusive hadron production in lepton-proton deep inelastic scattering. The corresponding differential cross section is evaluated as a convolution of a twist-three quark-gluon correlation function, often referred to as Qiu-Sterman function, the usual unpolarized fragmentation function, and a hard coefficient function. By studying the collinear divergence structure, we identify the evolution kernel for the Qiu-Sterman function. The hard coefficient function, which is finite and free of any divergence, is evaluated at one-loop order.

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Saleev, V. A., and A. V. Shipilova. "Gluon Sivers Function in Transverse Single-Spin Asymmetries of Direct Photons at NICA." Physics of Atomic Nuclei 85, no. 6 (December 2022): 737–47. http://dx.doi.org/10.1134/s1063778822060114.

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Dissertations / Theses on the topic "Gluon Sivers function"

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Sievert, Matthew D. "Transverse Spin and Classical Gluon Fields: Combining Two Perspectives on Hadronic Structure." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1405337694.

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Book chapters on the topic "Gluon Sivers function"

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Godbole, Rohini M., Abhiram Kaushik, Anuradha Misra, Vaibhav Rawoot, and Bipin Sonawane. "Heavy Flavour Production as Probe of Gluon Sivers Function." In Light Cone 2016, 115–21. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-65732-5_17.

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Godbole, Rohini M., Abhiram Kaushik, and Anuradha Misra. "Open Charm Hadroproduction as a Probe of Gluon Sivers Function." In XXII DAE High Energy Physics Symposium, 489–92. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-73171-1_114.

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Conference papers on the topic "Gluon Sivers function"

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Padval, Siddhesh, Rohini M. Godbole, Abhiram Kaushik, and Anuradha Misra. "Prompt Photon Production as a probe of Gluon Sivers Function." In Light Cone 2019 - QCD on the light cone: from hadrons to heavy ions. Trieste, Italy: Sissa Medialab, 2020. http://dx.doi.org/10.22323/1.374.0071.

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Zheng, Liang, E. C. Aschenauer, J. H. Lee, Bo-Wen Xiao, and Zhongbao Yin. "Measuring The Gluon Sivers Function At A Future Electron-ion Collider." In The 26th International Nuclear Physics Conference. Trieste, Italy: Sissa Medialab, 2017. http://dx.doi.org/10.22323/1.281.0305.

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Pisano, Cristian, Umberto D'Alesio, Carlo Flore, Francesco Murgia, and Pieter Taels. "The gluon Sivers function and its process dependence from RHIC data." In XXVII International Workshop on Deep-Inelastic Scattering and Related Subjects. Trieste, Italy: Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.352.0198.

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Pisano, Cristian, Umberto D'Alesio, Carlo Flore, Francesco Murgia, and Pieter Taels. "Process dependence of the gluon Sivers function in inclusive $pp$ collisions: theory." In 23rd International Spin Physics Symposium. Trieste, Italy: Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.346.0048.

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D'Alesio, Umberto, Carlo Flore, Francesco Murgia, Cristian Pisano, and Pieter Taels. "Process dependence of the gluon Sivers function in inclusive $pp$ collisions: phenomenology." In 23rd International Spin Physics Symposium. Trieste, Italy: Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.346.0049.

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Kishore, Raj, Asmita Mukherjee, and Sangem Rajesh. "Probing Gluon Sivers Function in Inelastic Photoproduction of J/ψ at the EIC." In INT Program INT-18-3. WORLD SCIENTIFIC, 2020. http://dx.doi.org/10.1142/9789811214950_0018.

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Celiberto, Francesco Giovanni, Alessandro Bacchetta, and Marco Radici. "Toward twist-2 $T$-odd transverse-momentum-dependent gluon distributions: the $f$-type Sivers function." In The European Physical Society Conference on High Energy Physics. Trieste, Italy: Sissa Medialab, 2022. http://dx.doi.org/10.22323/1.398.0376.

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Rawoot, Vaibhav, Rohini Godbole, Anuradha Misra, and Asmita Mukherjee. "Gluon Sivers Function and Single Spin Asymmetry in e + p\uparrow \rightarrow e + J/\psi + X." In Sixth International Conference on Quarks and Nuclear Physics. Trieste, Italy: Sissa Medialab, 2012. http://dx.doi.org/10.22323/1.157.0040.

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Schmidt, Ivan. "QUARK AND GLUON SIVERS FUNCTIONS." In Transversity 2005. WORLD SCIENTIFIC, 2006. http://dx.doi.org/10.1142/9789812773272_0024.

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