Collins And Sivers Asymmetries In Muonproduction Of Pions And Kaons Off Transversely Polarised Protons
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Author |
: |
Publisher |
: |
Total Pages |
: 10 |
Release |
: 2015 |
ISBN-10 |
: OCLC:925453382 |
ISBN-13 |
: |
Rating |
: 4/5 (82 Downloads) |
Synopsis Collins and Sivers Asymmetries in Muonproduction of Pions and Kaons Off Transversely Polarised Protons by :
Measurements of the Collins and Sivers asymmetries for charged pions and charged and neutral kaons produced in semi-inclusive deep-inelastic scattering of high energy muons off transversely polarised protons are presented. The results were obtained using all the available COMPASS proton data, which were taken in the years 2007 and 2010. The Collins asymmetries exhibit in the valence region a non-zero signal for pions and there are hints of non-zero signal also for kaons. The Sivers asymmetries are found to be positive for positive pions and kaons and compatible with zero otherwise.
Author |
: Alexei Prokudin |
Publisher |
: World Scientific |
Total Pages |
: 344 |
Release |
: 2020-05-29 |
ISBN-10 |
: 9789811214967 |
ISBN-13 |
: 9811214964 |
Rating |
: 4/5 (67 Downloads) |
Synopsis Probing Nucleons And Nuclei In High Energy Collisions - Proceedings Of The Int Program Int-18-3 by : Alexei Prokudin
This book contains proceedings of the 7-week INT program dedicated to the physics of the Electron-Ion Collider (EIC), the world's first polarized electron-nucleon (ep) and electron-nucleus (eA) collider to be constructed in the United States. The 2015 NSAC Long Range Plan recommended EIC as the 'highest priority for new facility construction following the completion of FRIB'. The primary goal of the EIC is to establish precise multi-dimensional imaging of quarks and gluons inside nucleons and nuclei. This includes (i) understanding the spatial and momentum space structure of the nucleon through the studies of TMDs (transverse-momentum-dependent parton distributions), GPD (generalized parton distributions) and the Wigner distribution; (ii) determining the partonic origin of the nucleon spin; (iii) exploring the new quantum chromodynamics (QCD) frontier of ultra-strong gluon fields, with the potential to seal the discovery of a new form of dense gluon matter predicted to exist in all nuclei and nucleons at small Bjorken x — the parton saturation.The program brought together both theorists and experimentalists from Jefferson Lab (JLab), Brookhaven National Laboratory (BNL) along with the national and international nuclear physics communities to assess and advance the EIC physics.
Author |
: Herwig Schopper |
Publisher |
: World Scientific |
Total Pages |
: 452 |
Release |
: 2015-07-13 |
ISBN-10 |
: 9789814644167 |
ISBN-13 |
: 9814644161 |
Rating |
: 4/5 (67 Downloads) |
Synopsis 60 Years Of Cern Experiments And Discoveries by : Herwig Schopper
The book is a compilation of the most important experimental results achieved during the past 60 years at CERN - from the mid-1950s to the latest discovery of the Higgs particle. Covering the results from the early accelerators at CERN to those most recent at the LHC, the contents provide an excellent review of the achievements of this outstanding laboratory. Not only presented is the impressive scientific progress achieved during the past six decades, but also demonstrated is the special way in which successful international collaboration exists at CERN.
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Publisher |
: |
Total Pages |
: 284 |
Release |
: 2010 |
ISBN-10 |
: OCLC:946826774 |
ISBN-13 |
: |
Rating |
: 4/5 (74 Downloads) |
Synopsis Measurement of Single-target Spin Asymmetries in the Electroproduction of Negative Pions in the Semi-inclusive Deep Inelastic Reaction N1!e, E'[pi]- )X on a Transversely Polarized 3He Target by :
The experiment E06010 measured the target single spin asymmetry (SSA) in the semiinclusive deep inelastic (SIDIS) n1!e, e'[pi]- )X reaction with a transversely polarized 3He target as an e ective neutron target. This is the very rst independent measurement of the neutron SSA, following the measurements at HERMES and COMPASS on the proton and the deuteron. The experiment acquired data in Hall A at Je erson Laboratory with a continuous electron beam of energy 5.9 GeV, probing the valence quark region, with x = 0.13 2!0.41, at Q2 = 1.31 2!3.1 GeV2. The two contributing mechanisms to the measured asymmetry, viz, the Collins effect and the Sivers effect can be realized through the variation of the asymmetry as a function of the Collins and Sivers angles. The neutron Collins and Sivers moments, associated with the azimuthal angular modulations, are extracted from the measured asymmetry for the very first time and are presented in this thesis. The kinematics of this experiment is comparable to the HERMES proton measurement. However, the COMPASS measurements on deuteron and proton are in the low-x region. The results of this experiment are crucial as the first step toward the extraction of quark transversity and Sivers distribution functions in SIDIS. With the existing results on proton and deuteron, these new results on neutron will provide powerful constraints on the transversity and Sivers distributions of both the u and d-quarks in the valence region.
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: |
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: |
Total Pages |
: |
Release |
: 2010 |
ISBN-10 |
: OCLC:953409567 |
ISBN-13 |
: |
Rating |
: 4/5 (67 Downloads) |
Synopsis Measurement of Single and Double Spin Asymmetries in Deep Inelastic Pion Electroproduction with a Longitudinally Polarized Target by :
We report the first measurement of the transverse momentum dependence of double spin asymmetries in semi-inclusive production of pions in deep inelastic scattering off the longitudinally polarized proton. Data have been obtained using a polarized electron beam of 5.7 GeV with the CLAS detector at the Thomas Jefferson National Accelerator Facility (JLab). A significant non-zero $\sin2\phi$ single spin asymmetry was also observed for the first time indicating strong spin-orbit correlations for transversely polarized quarks in the longitudinally polarized proton. The azimuthal modulations of single spin asymmetries have been measured over a wide kinematic range.
Author |
: John Clements Collins |
Publisher |
: American Institute of Physics |
Total Pages |
: 478 |
Release |
: 1991 |
ISBN-10 |
: UCAL:B4347896 |
ISBN-13 |
: |
Rating |
: 4/5 (96 Downloads) |
Synopsis Polarized Collider Workshop by : John Clements Collins
Author |
: Ralf-Christian Seidl |
Publisher |
: |
Total Pages |
: 316 |
Release |
: 2004 |
ISBN-10 |
: OCLC:76495762 |
ISBN-13 |
: |
Rating |
: 4/5 (62 Downloads) |
Synopsis Single Spin Asymmetries in Semi-inclusive Electroproduction of Pions and Kaons on a Transversely Polarized Hydrogen Target at HERMES by : Ralf-Christian Seidl
Author |
: James Kevin Adkins |
Publisher |
: |
Total Pages |
: 217 |
Release |
: 2017 |
ISBN-10 |
: OCLC:1008757989 |
ISBN-13 |
: |
Rating |
: 4/5 (89 Downloads) |
Synopsis Studying Transverse Momentum Dependent Distributions in Polarized Proton Collisions Via Azimuthal Single Spin Asymmetries of Charged Pions in Jets by : James Kevin Adkins
Author |
: John Collins |
Publisher |
: Cambridge University Press |
Total Pages |
: 637 |
Release |
: 2011-04-28 |
ISBN-10 |
: 9781139500623 |
ISBN-13 |
: 1139500627 |
Rating |
: 4/5 (23 Downloads) |
Synopsis Foundations of Perturbative QCD by : John Collins
Giving an accurate account of the concepts, theorems and their justification, this book is a systematic treatment of perturbative QCD. It relates the concepts to experimental data, giving strong motivations for the methods. Ideal for graduate students starting their work in high-energy physics, it will also interest experienced researchers.
Author |
: P. D. B. Collins |
Publisher |
: CRC Press |
Total Pages |
: 194 |
Release |
: 1984 |
ISBN-10 |
: UCAL:B4403469 |
ISBN-13 |
: |
Rating |
: 4/5 (69 Downloads) |
Synopsis Hadron Interactions, by : P. D. B. Collins
Intended for graduate students, advanced undergraduates and research staff in particle physics and related disciplines and will also be of interest to physicists not working in this field who want an overview of the present development of the subject.