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Tuesday, July 28, 2020 | History

2 edition of Higher-twist correlations in polarized hadrons found in the catalog.

Higher-twist correlations in polarized hadrons

Ritske Dirk Tangerman

Higher-twist correlations in polarized hadrons

by Ritske Dirk Tangerman

  • 90 Want to read
  • 40 Currently reading

Published by R.D. Tangerman in [Amsterdam .
Written in English

    Subjects:
  • Hadrons -- Scattering.,
  • Polarization (Nuclear physics),
  • Angular correlations (Nuclear physics)

  • Edition Notes

    Statementdoor Ritske Dirk Tangerman.
    Classifications
    LC ClassificationsQC793.5.H328 T36 1996
    The Physical Object
    Paginationviii, 110 p. :
    Number of Pages110
    ID Numbers
    Open LibraryOL744105M
    LC Control Number97136848

    New Observables in Inclusive Production of Quarkonia Jean-Philippe Lansberga aIPNO, CNRS-IN2P3, Univ. Paris-Sud, Université Paris-Saclay, Orsay Cedex, France Abstract After an introduction motivating the study of quarkonium production, we review the recent developmentsFile Size: 7MB. FEB DESY-HU Theorie-Seminar Ken Mimasu (UCLouvain) Standard Model effective field theory in the EW sector HU Berlin, Newtonstr. 15, Berlin, Raum NEW 15 1' Slides.

    THE STUDY OF A EUROPEAN NEUTRINO FACTORY COMPLEX 7 1. EXECUTIVE SUMMARY.. 8 2. THE NEUTRINO FACTORY 9 3. Introduction 9 The goal of this study. 10 Physics motivation and requirements for a high-intensity neutrino machine 10 The basic concept of the CERN Neutrino Factory scenario 13 Other possible uses of a. Here, we present beam-energy-scan measurements of two, four-, and six-particle angular correlations in d + Au collisions at root s(NN) = , , 39, and GeV. We also present measurements of two-and four-particle angular correlations in p + Au collisions at root s(NN) = GeV. We find the four-particle cumulant to be real valued for.

    This is a consequence of the vector nature of the gluon. The helicity of massless fermions is conserved by vector couplings and thus any helicity-flip amplitude T B vanishes as the quark masses become negligible. Furthermore, in the Breit frame (), the change in longitudinal angular momentum for a helicityconserving amplitude is where h is the helicity of the initial and final by: Since the correlations of PID variables among sub-detectors are reasonably small and can be ignored, the neural networks can be configured sequentially. Brief description of the artificial neural network An artificial neural network [47] is a computational structure .


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Higher-twist correlations in polarized hadrons by Ritske Dirk Tangerman Download PDF EPUB FB2

Book chapters are included here if they fall within the definition of academic publications (books are listed separately). R.D. Higher-twist correlations in polarized hadrons.

Free University Amsterdam. ((Co-)promot.: prof. dr P.J. Mulders). Academic Publications (category 1) (). Structure of hadrons in hard. The derivation of Eq. (3) is a minor generalization of the derivation given in Ref.

[17] for processes in which both of the initial-state hadrons are polarized. (3) is valid for any polarization state. Now consider the case that hadron A is transversely polarized. Then the transversity of a quark in A will be proportional to the hadron Cited by: Together with the twist-2 PDFs (f1, g1, h1), the Higher Twist (HT) e and hL functions are very interesting because they offer insights into the physics of the largely unexplored quark-gluon correlations, which provide access into the dynamics inside hadrons.

The CLAS spectrometer, installed in Hall-B at Jefferson Lab, has collected data using. This contribution will discuss recent results and future prospects of using di-hadron correlations and polarized hyperon probes to study QCD in SIDIS, pp and e+e- annihilation.

The Role of Higher Twist and Positivity Constraints in Determining Polarized Parton Densities E. Leader (London), A. Sidorov (Dubna), D. Stamenov (Sofia) Jefferson Laboratory, Ap OUTLINE New QCD fits to the inclusive polarized DIS data Summary two sets of polarized PD (in both the MS and the JET schemes) JLab Hall A neutron data.

The impact of the recent very precise CLAS and COMPASS g_1/F_1 data on polarized parton densities and higher twist effects is discussed. We demonstrate that the low Q^2 CLAS data improve.

Color Reconnection and Bose-Einstein Correlations at LEP2 (Th Ziegler) A NLO QCD Analysis of the Spin Structure Function g 1 and Higher Twist Correlations (E Leader et al.) Heavy Quark Asymmetries (A Tricomi) Experimental Signature of a Fermiophobic Higgs Boson (L Brüecher & R Santos) The AMS Experiment: First Results and Physics Prospects (J.

@article{osti_, title = {Outlook}, author = {Brodsky, S}, abstractNote = {One of the most remarkable observations at RHIC [1] is the nearly complete quenching of away-side hadrons produced opposite a detected high p{sub T} hadron in central AuAu collisions at {radical}s{sub NN} = GeV.

This strong suppression implies a jet energy loss dE/dx {approx} 15 GeV/fm, some 30 times. ELSEVIER Physics Letters B () 4 September PHYSICS LETTERS B Calculation of higher-twist evolution kernels for polarized deep inelastic scattering D.

Muller I CERN, Geneva, Switzerland Received 20 January ; revised manuscript received 26 March Editor: R. Gatto Abstract Based on the non-local light-ray operator technique, we develop an algorithm for the Cited by:   Higher Twist Effects in Polarized DIS (E Leader et al.) Highly Excited Hadrons in QCD and Beyond (M Shifman) Future Perspectives: Transverse Polarization and Quark-Hadron Duality (O V Teryaev) Research Perspectives with the Jefferson Lab (K de Jager) Perspectives with PANDA (P Gianotti) Summary Talk (P Hoyer) and other papers.

COVID Resources. Reliable information about the coronavirus (COVID) is available from the World Health Organization (current situation, international travel).Numerous and frequently-updated resource results are available from this ’s WebJunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus.

The contribution of higher-twist mechanisms to π+ π−,K + K − and ρ° ρ° production in high-energy $$\\bar p$$ p collisions, with the two mesons emitted back to back at 90° in the c.m. frame and at moderate or largep T, has been calculated and compared with the minimal-twist contribution, i.e.

double jet fragmentation. The signal/background ratio is shown to depend critically on Δp Cited by: 5.

Publications Advanced Search. Title: Author: Document Number: Supported by U.S. Naval Research: Yes No Supported by Jefferson Lab LDRD Funding. Get this from a library. Transversity proceedings of the second workshop on transverse polarization phenomena in hard processes, [Ferrara, Italy, May ].

[Ciullo Giuseppe; World Scientific (Firm);] -- Transversitythe second workshop on "Transverse polarization phenomena in hard processes" follows the first one held in Como after three years. Kinematic higher twist – initial state target mass binding (Mp, xTM) initial state and final state quark masses (e.g.

charm production)- xTM important at high x Dynamic higher twist – correlations between quarks in initial or final state.==> Examples: Initial or final state multiquark correlations: diquarks, elastic scattering, excitation. The comprehensive coverage also includes polarized proton and electron acceleration and storage, as well as polarized ion sources and targets.

Many significant new results and achievements on the different topics considered at the symposium are presented in this book for the first time. Tuesday Seminar, DESY Bernd Surrow Hamburg, 03/18/ Introduction Cross-sections and Structure Functions (polarized) Wµν()P,q,S − Wµν(P,q,−S) zQuantify spin structure of proton in terms of g 1 and g 2: Take difference of hadronic tensor: Specialize to lepton with helicity λand ∠(l,S) ≡α.

QCD as a Theory of Hadrons: From Partons to Confinement (Cambridge Monographs on Particle Physics, Nuclear Physics and Cosmology) Stephan Narison Introducing the basic theory and recent advances in QCD, this book reviews the historical development of the subject up to the present day, covering aspects of strong interactions such as the quark.

Full text of "Electron Ion Collider: The Next QCD Frontier - Understanding the glue that binds us all" See other formats. This banner text can have markup.

web; books; video; audio; software; images; Toggle navigation. [80] W. J., Willis, in Proc. XVI Int. Conf. High Energy Physics (Chicago-Batavia, ), edited by J. D., Jackson and A., Roberts (NAL, Batavia, IL, ), Vol. 4, pp. –, note particularly the suggestion attributed to G.

Cocconi on page that “new states of matter might be produced when hadrons could be concentrated at high Cited by: 5. Francesca Giordano Sivers & Boer-Mulders TMDs Azimuthal asymmetries generated by correlations between quark transverse momentum and DYBNL - May 11th, listic interpretation f1T = h1 = h1T = h1L = g1T = n/ photon goes into the screen the proton transverse spin Sivers Boer-Mulders the other naively T-odd distribution Wednesday, May The main focus of high energy physics research is the search for signals of physics beyond the Standard Model.

Many of the experiments built for this purpose involve protons or neutrons (collectively termed nucleons), either in the beam, such as at the Large Hadron Collider at CERN, or within the nuclei of the targets, such as those used for dark matter detection experiments.