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Related papers: Spin Effects in High Energy Fragmentation Processe…

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Spin effects in high energy fragmentation processes can provide us with important information on hadronization mechanisms and spin structure of hadrons. It can in particular give new tests to the hadronization models. In this talk, we make…

High Energy Physics - Phenomenology · Physics 2007-05-23 Liang Zuo-tang

Spin transfer in high energy fragmentation process is determined by the hadronization mechanism and spin structure of hadrons.It can be studied by measuring the polarizations of hyperons and/or vector mesons in e+e- annihilation, in the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Zuo-Tang Liang

A large number of measurements with polarized beams and/or spin analysis of final state particles has been performed at the e^+e^- colliders LEP and SLC, providing important information on the dynamics of high energy interactions. In this…

High Energy Physics - Experiment · Physics 2009-10-31 W. Bonivento

We suggested that longitudinal polarization of Lambda produced in e+e- annihilation at LEP energies can provide useful information on hadronization mechanism in general and on testing the validity of different pictures for the spin content…

High Energy Physics - Phenomenology · Physics 2007-05-23 Liang Zuo-tang

Longitudinal polarizations of different kinds of hyperons produced in e+e- annihilation at LEP I and LEP II energies in different event samples are calculated using two different pictures for the spin structure of hyperon: that drawn from…

High Energy Physics - Phenomenology · Physics 2009-10-31 Chun-xiu Liu , Zuo-tang Liang

Longitudinal polarization of Lambda produced in $e^+e^-$ annihilation at LEP energies is calculated in a picture for the spin content of Lambda which is consistent with the polarized deep inelastic lepton-nucleon scattering data and SU(3)…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Boros , Liang Zuo-tang

The spin alignment of vector meson produced in high energy reactions is determined by the spin-dependent fragmentation function $D_{1LL} (z,\mu_f)$ that is shown to be independent of the polarization of the fragmenting quark. In this paper,…

High Energy Physics - Phenomenology · Physics 2021-02-03 Kai-bao Chen , Zuo-tang Liang , Yu-kun Song , Shu-yi Wei

Recent e+e- annihilation experiments show a striking spin alignment of vector mesons produced in the fragmentation of a polarized quark.We show that these data imply a simple relation between the polarization of the anti-quark, which is…

High Energy Physics - Phenomenology · Physics 2007-05-23 Zuo-tang Liang

The spin physics parallel sessions at this workshop made a critical review of the physics potential of future experiments on polarized nucleons, with an emphasis on the potential impact of polarized electron-proton collisions at HERA. A…

High Energy Physics - Phenomenology · Physics 2007-05-23 T. Gehrmann

We review the current situation in polarized scattering experiments. We describe the theoretical interpretation of inclusive deep inelastic processes, the current experimental situation and perturbative analyses which extract structure…

High Energy Physics - Phenomenology · Physics 2008-11-26 Richard D. Ball , Hugh A. McL. Tallini

We point out that measuring longitudinal polarizations of different hyperons produced in lepton induced reactions are ideal to study the spin transfer of the fragtmenting quark to produced hadron in high energy hadronization processes. We…

High Energy Physics - Phenomenology · Physics 2007-05-23 Zuo-tang Liang , Chun-xiu Liu

The longitudinal polarization of hyperons in $e^+e^-$ annihilation at high energies depends on the longitudinal polarization of the quark produced at the $e^+e^-$ annihilation vertex whereas the spin alignment of vector mesons is…

High Energy Physics - Phenomenology · Physics 2017-02-22 Kai-bao Chen , Wei-hua Yang , Ya-jin Zhou , Zuo-tang Liang

Spin observables may reveal much deeper properties of non perturbative hadronic physics than unpolarized quantities. We discuss the polarization of hadrons produced in $e^+e^-$ annihilation at LEP. We show how final state $q \bar q$…

High Energy Physics - Phenomenology · Physics 2007-05-23 Mauro Anselmino

Spin effects in strong interaction high energy processes are subtle phenomena which involve both short and long distance physics and test perturbative and non perturbative aspects of QCD. Moreover, depending on quantities like interferences…

High Energy Physics - Phenomenology · Physics 2008-11-26 Mauro Anselmino

We give a brief overview of recent theoretical and experimental results on the chiral magnetic effect and spin polarization effect in heavy-ion collisions. We present updated experimental results for the chiral magnetic effect and related…

High Energy Physics - Phenomenology · Physics 2020-08-05 Jian-Hua Gao , Guo-Liang Ma , Shi Pu , Qun Wang

The main goals of `spin physics' are recalled, and some theoretical and phenomenological aspects of longitudinally polarized deep inelastic scattering and other hard processes are reviewed. The spin dependent parton densities of protons and…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Stratmann

Fracture functions, originally suggested to describe the production of diffractive and leading hadrons in semi-inclusive DIS, may be also applied at fixed target energies. They may also include interference and final state interaction,…

High Energy Physics - Phenomenology · Physics 2007-05-23 O. V. Teryaev

We study the production of longitudinally polarized Lambda-baryons in single-spin pp collisions at RHIC and HERA-N as a means of determining the spin-dependent Lambda fragmentation functions. It is shown that a measurement of the rapidity…

High Energy Physics - Phenomenology · Physics 2009-10-31 D. de Florian , M. Stratmann , W. Vogelsang

The operation of HERA with polarized proton and electron beams will allow to study a wide variety of observables in polarized electron-proton collisions at $\sqrt s=300$ GeV. The physics prospects of this project have been elaborated in…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. De Roeck , T. Gehrmann

The first attainment of longitudinal spin polarisation in a high energy electron (positron) storage ring is described.

Accelerator Physics · Physics 2007-05-23 D. P. Barber
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