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Longitudinal Double Spin Asymmetries For Intermediate Rapidity Inclusive 0 From Polarized S
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Book Synopsis Longitudinal Double-spin Asymmetries for Intermediate Rapidity Inclusive Π0 from Polarized √s by : William Grey Solyst
Download or read book Longitudinal Double-spin Asymmetries for Intermediate Rapidity Inclusive Π0 from Polarized √s written by William Grey Solyst and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Measurement of Longitudinal Double Spin Asymmetries of [pi]+/- Production in P[over-arrow] + P[over-arrow] Collisions at [sqrt]s by : Adam Philip Kocoloski
Download or read book Measurement of Longitudinal Double Spin Asymmetries of [pi]+/- Production in P[over-arrow] + P[over-arrow] Collisions at [sqrt]s written by Adam Philip Kocoloski and published by . This book was released on 2010 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spin dependent measurements provide incisive tests for modern theories of particle physics. The discovery that the integral of the quark helicity distribution is much too small to account for the spin of the proton is an excellent case in point. It inspired an intense period of theoretical scrutiny and a new generation of experiments to study [Delta]g, the helicity distribution of gluons in the nucleon. In particular, the unique polarized proton collider at RHIC enables a class of asymmetry measurements that are directly sensitive to gluon polarization. The STAR experiment at RHIC measures the double spin asymmetry A[subscript LL] for a variety of final states in collisions of longitudinally polarized protons in order to constrain [Delta]g. Asymmetries for mid-rapidity charged pion production benefit from large cross sections and the excellent tracking and particle identification capabilities of the STAR Time Projection Chamber. This thesis presents the first measurements of charged pion A[subscript LL] at STAR. The measurements are compared to predictions based on perturbative QCD calculations and from this comparison model-dependent constraints are placed on the integral gluon polarization [Delta]G.
Book Synopsis Measurement of Single and Double Spin Asymmetries in Deep Inelastic Pion Electroproduction with a Longitudinally Polarized Target by :
Download or read book Measurement of Single and Double Spin Asymmetries in Deep Inelastic Pion Electroproduction with a Longitudinally Polarized Target written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Study of Double Spin Asymmetries in Inclusive Ep Scattering at Jefferson Lab by :
Download or read book Study of Double Spin Asymmetries in Inclusive Ep Scattering at Jefferson Lab written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The spin structure of the proton has been investigated in the high Bjorken x and low momentum transfer Q^2 region. We used Jefferson Lab's polarized electron beam, a polarized target, and a spectrometer to get both the parallel and perpendicular spin asymmetries Apar and Aperp. These asymmetries produced the physics asymmetries A_1 and A_2 and spin structure functions g_1 and g_2. We found Q^2 dependences of the asymmetries at resonance region and higher-twist effects. Our result increases the available data on the proton spin structure, especially at resonance region with low Q^2. Moreover, A_2 and g_2 data show clear Q^2 evolution, comparing with RSS and SANE-BETA. Negative resonance in A_2 data needs to be examined by theory. It can be an indication of very negative transverse-longitudinal interference contribution at W ~ 1.3 GeV. Higher twist effect appears at the low Q^2 of 1.9 GeV^2, although it is less significant than lower Q^2 data of RSS. Twist03 matrix element d_2 was calculated using our asymmetry fits evaluation at Q^2 - 1.9 GeV^2. D-bar_2 = -0.0087"0.0014 was obtained by integrating 0.47 d"x d"0.87.
Book Synopsis Proceedings of the 17th International Spin Physics Symposium by : Kenichi Imai
Download or read book Proceedings of the 17th International Spin Physics Symposium written by Kenichi Imai and published by American Inst. of Physics. This book was released on 2007-07-02 with total page 1196 pages. Available in PDF, EPUB and Kindle. Book excerpt: Getting down to the bottom line is what this proceedings digest is all about, as any physicist will tell you: spin is the fundamental concept in physics. The applications are pretty universal due to the fact that, using spin-related phenomena, physicists are trying to reveal the fundamental principles of nature – and things don’t come much more bottom-line than that. This volume is the proceedings of the 17th International Spin Physics Symposium which is a forum to discuss spin physics and related topics.
Book Synopsis Proceedings of the International Congress on Comparative Physiology by :
Download or read book Proceedings of the International Congress on Comparative Physiology written by and published by . This book was released on 1973 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Single and Double Polarization Asymmetries from Deeply Virtual Exclusive Pi^0 Electroproduction by :
Download or read book Single and Double Polarization Asymmetries from Deeply Virtual Exclusive Pi^0 Electroproduction written by and published by . This book was released on 2014 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The target and double spin asymmetry measurements of exclusive p0 electroproduction were performed for the first time in DIS region at Jefferson Lab using the CEBAF Large Acceptance Spectrometer (CLAS) and longitudinally polarized proton target. The wide kinematic coverage and good resolution of CLAS allowed measurements in full azimuthal range providing an opportunity to extract single and double spin asymmetries proportional to polarized structure functions. Their angular dependencies in hadronic center-of-mass system were analyzed, and extracted moments are compared to recent theoretical handbag-based calculations based on chiral-even and chiral-odd GPDs contributions. The interpretation of present results within the framework of the modified perturbative approach and their use as a constraint for models of the t behavior will be discussed.
Book Synopsis Spin Asymmetries for Exclusive and Semi-exclusive Reactions with CLAS. by :
Download or read book Spin Asymmetries for Exclusive and Semi-exclusive Reactions with CLAS. written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: An extensive experimental program to measure the spin structure of the nucleons is being carried out with the CLAS detector at Jefferson Lab using a longitudinally polarized electron beam incident on a longitudinally polarized target. Spin degrees of freedom offer new tools to explore the baryon structure and test the many theoretical approaches that attempt to characterize it, such as effective Lagrangian models and transverse momentum dependent parton distributions. I will present preliminary results for single and double spin asymmetries for exclusive [pi][sup 0], [pi][sup +], and [eta] electroproduction in the resonance region compared with unitary isobar and dynamical models, as well as [rho] electroproduction for DIS kinematics. I will also report on an analysis of the semi-inclusive and exclusive channels where double and single spin asymmetries were used to study transverse momentum dependent parton distributions.
Book Synopsis The Final Inclusive and Semi-inclusive Longitudinal Double-spin Asymmetries at HERMES by : Polina Kravchenko
Download or read book The Final Inclusive and Semi-inclusive Longitudinal Double-spin Asymmetries at HERMES written by Polina Kravchenko and published by . This book was released on 2010 with total page 169 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Spin Physics written by Donald G. Crabb and published by American Inst. of Physics. This book was released on 2009-08-25 with total page 1236 pages. Available in PDF, EPUB and Kindle. Book excerpt: The topics covered in the conference ranged from the physics that can be done with polarized beams of particles (protons, electrons, gamma-rays, etc.) to the techniques and instrumentation necessary to achieve this. Topics included: nucleon structure measurements (from where does the spin of the proton and neutron come), the acceleration, storage and polarization of particle beams and the polarized targets and sources necessary for mounting the experiments.
Book Synopsis Measurement of Non-photonic Electron Cross Section and Double Longitudinal Spin Asymmetry, A[subscript LL], in Polarized P + P Collisions at [formula] by : Priscilla Priska Kurnadi
Download or read book Measurement of Non-photonic Electron Cross Section and Double Longitudinal Spin Asymmetry, A[subscript LL], in Polarized P + P Collisions at [formula] written by Priscilla Priska Kurnadi and published by . This book was released on 2010 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book INIS Atomindex written by and published by . This book was released on 1983 with total page 808 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book High Energy Physics Index written by and published by . This book was released on 1990 with total page 716 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1977 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt: Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.
Book Synopsis The Large Hadron Collider by : Thomas Schörner-Sadenius
Download or read book The Large Hadron Collider written by Thomas Schörner-Sadenius and published by Springer. This book was released on 2015-05-15 with total page 554 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive volume summarizes and structures the multitude of results obtained at the LHC in its first running period and draws the grand picture of today’s physics at a hadron collider. Topics covered are Standard Model measurements, Higgs and top-quark physics, flavour physics, heavy-ion physics, and searches for supersymmetry and other extensions of the Standard Model. Emphasis is placed on overview and presentation of the lessons learned. Chapters on detectors and the LHC machine and a thorough outlook into the future complement the book. The individual chapters are written by teams of expert authors working at the forefront of LHC research.
Book Synopsis Foundations of Perturbative QCD by : John Collins
Download or read book Foundations of Perturbative QCD written by John Collins and published by Cambridge University Press. This book was released on 2011-04-28 with total page 637 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Physics Briefs written by and published by . This book was released on 1992 with total page 950 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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