This title appears in the Scientific Report :
2012
Please use the identifier:
http://hdl.handle.net/2128/10252 in citations.
Please use the identifier: http://dx.doi.org/10.1103/PhysRevD.85.074013 in citations.
Prompt J/Psi production in the Regge limit of QCD: From the Tevatron to the LHC
Prompt J/Psi production in the Regge limit of QCD: From the Tevatron to the LHC
We study prompt J/psi-meson hadroproduction invoking the hypothesis of gluon Reggeization in t-channel exchanges at high energy and the factorization formalism of nonrelativistic quantum chromodynamics at the leading order in the strong-coupling constant alpha(s) and the relative velocity of quarks...
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Personal Name(s): | Saleev, V.A. |
---|---|
Nefedov, M.A. / Shipilova, A.V. | |
Contributing Institute: |
Experimentelle Hadrondynamik; IKP-2 |
Published in: | Physical Review D Physical review / D, 85 85 (2012 2012) 7 7, S. 074013 074013 |
Imprint: |
[S.l.]
Soc.
2012
2012-04-10 2012-04-01 |
Physical Description: |
074013 |
DOI: |
10.1103/PhysRevD.85.074013 |
Document Type: |
Journal Article |
Research Program: |
Physik der Hadronen und Kerne |
Series Title: |
Physical Review D
85 |
Subject (ZB): | |
Link: |
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Publikationsportal JuSER |
Please use the identifier: http://dx.doi.org/10.1103/PhysRevD.85.074013 in citations.
We study prompt J/psi-meson hadroproduction invoking the hypothesis of gluon Reggeization in t-channel exchanges at high energy and the factorization formalism of nonrelativistic quantum chromodynamics at the leading order in the strong-coupling constant alpha(s) and the relative velocity of quarks upsilon. The transverse-momentum distribution of direct and prompt J/psi-meson production measured at the Fermilab Tevatron fitted to obtain the nonperturbative long-distance matrix elements, which are used to predict prompt J/psi production spectra at the CERN LHC. At the numerical calculation, we adopt the Kimber-Martin-Ryskin and Blumlein prescriptions to derive unintegrated gluon distribution function of the proton from their collinear counterpart, for which we use the Martin-Roberts-Stirling-Thorne set. Without adjusting any free parameters, we find good agreement with measurements by the ATLAS, CMS and LHCb Collaborations at the LHC at the hadronic c.m. energy root S = 7 TeV. |