Reference : The slope of the hadron spin-flip amplitude and the determination of \rho(s,t)
Scientific congresses and symposiums : Paper published in a book
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/126303
The slope of the hadron spin-flip amplitude and the determination of \rho(s,t)
English
Selyugin, O. V. [Joint Institute for Nuclear Research, - JINR > > > >]
Cudell, Jean-René mailto [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Physique des astroparticules >]
Predazzi, E. [Università degli Studi di Torino - Unito > > > >]
2011
DSPIN-11, proceedings
A.V. Efremov, A.V.
Goloskokov, S.V.
JINR
No
Yes
International
978-5-9530-0315-5
Dubna
Russia
XIV Workshop on High Energy Spin Physics
September 20 - 24, 2011
Dubna
Russia
[en] spin ; diffraction
[en] We re-examine the extraction of \rho(s,t), the ratio of the real part to the imaginary part of the scattering amplitude, and of the spin-flip amplitude, from the existing experimental data in the Coulomb-hadron interference region. We show that it is not possible to find reasonable assumptions about the structure of the scattering amplitude of proton-proton and proton-antiproton elastic scattering at high energy that would lead, in proton-antiproton scattering for 3.8 < p_L <6 GeV/c, to an agreement between data and an analysis based on dispersion relations.
Researchers
http://hdl.handle.net/2268/126303
http://arxiv.org/abs/arXiv:1111.4154
http://theor.jinr.ru/~spin/2011/proc11_main.pdf

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