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Polarization effects in the central exclusive chi(c) production and the J/psi angular distributions
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, High Energy Physics.
2011 (English)In: Physical Review D - Particles, Fields, Gravitation and Cosmology, ISSN 1550-7998, Vol. 83, no 7, 074017- p.Article in journal (Refereed) Published
Abstract [en]

We discuss exclusive elastic double diffractive axial-vector chi(c)(1(+)) and tensor chi(c)(2(+)) mesons production for different meson polarizations in proton-(anti)proton collisions at the Tevatron energy. The amplitude for the process is derived within the k(t)-factorization approach using unintegrated gluon distributions. Differential cross sections for different chi(c) polarizations are calculated. Angular distributions of J/psi meson from the radiative chi(c)(1(+),2(+)) decays are derived. Prospects for experimental selection of different spin states of chi(c) mesons are discussed.

Place, publisher, year, edition, pages
2011. Vol. 83, no 7, 074017- p.
National Category
Physical Sciences
URN: urn:nbn:se:uu:diva-153561DOI: 10.1103/PhysRevD.83.074017ISI: 000290109300003OAI: oai:DiVA.org:uu-153561DiVA: diva2:417212
Available from: 2011-05-16 Created: 2011-05-16 Last updated: 2011-05-16Bibliographically approved

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