Zobrazeno 1 - 10
of 20
pro vyhledávání: '"inclusive reaction [photon p]"'
Publikováno v:
Physical review / D 71(7), 074020 (2005). doi:10.1103/PhysRevD.71.074020
We analyze the QCD dynamics of diffractive deep inelastic scattering. The presence of a rapidity gap between the target and diffractive system requires that the target remnant emerges in a color singlet state, which we show is made possible by the so
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c10b85b3c50b2d79f12e24ef582f8e1
https://doi.org/10.1103/physrevd.71.074020
https://doi.org/10.1103/physrevd.71.074020
Autor:
Heinrich, Gudrun, Kniehl, Bernd A.
Publikováno v:
Physical review / D 70(9), 094035 (2004). doi:10.1103/PhysRevD.70.094035
We study the photoproduction of a D^{*+-} meson in association with a hadron jet at next-to-leading order in the parton model of QCD with non-perturbative fragmentation functions extracted from LEP1 data of e^+e^- annihilation. The transverse-momentu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______1108::0580b60b1aad6fccda4721cce8e0540b
https://bib-pubdb1.desy.de/record/328386
https://bib-pubdb1.desy.de/record/328386
Autor:
V. R. Zoller
Publikováno v:
Physics letters / B 509, (2001). doi:10.1016/S0370-2693(01)00538-X
High-energy open beauty photoproduction probes the vacuum exchange at distances $\sim 1/m_b$ and detects significant corrections to the BFKL asymptotics coming from the subleading vacuum poles. We show that the interplay of leading and subleading vac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::13d004488bec7f02aca9bc43a4c9cb3a
https://hdl.handle.net/2128/10736
https://hdl.handle.net/2128/10736
Autor:
Baranov, S. P., Zotov, N. P.
9 pp. (2001).
In the framework of the semihard ($k_T$ factorization) QCD approach, we consider the photoproduction of D* mesons associated with two hadron jets and the D* production in DIS at THERA conditions with the emphasis on the BFKL and CC
In the framework of the semihard ($k_T$ factorization) QCD approach, we consider the photoproduction of D* mesons associated with two hadron jets and the D* production in DIS at THERA conditions with the emphasis on the BFKL and CC
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77fa87a627c3679709f59112ac420923
Publikováno v:
Physical review / D 62(3), 034022 (2000). doi:10.1103/PhysRevD.62.034022
We investigate $J/\psi$ photoproduction asymmetries in the framework of the NRQCD factorization approach. It is shown that the color octet contribution leads to large uncertainties in the predicted asymmetries which rules out the possibility to preci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::950e930a37eecd467106fee6144b8751
http://arxiv.org/abs/hep-ph/9907210
http://arxiv.org/abs/hep-ph/9907210
Autor:
S. Gieseke, Cong-Feng Qiao
Publikováno v:
Physical review / D 61(7), 074028 (2000). doi:10.1103/PhysRevD.61.074028
The light-cone Photon wave function in explicit helicity states, valid for massive quarks and in both momentum and configuration space, is presented by considering the leading order photon-proton hard scattering, i.e., the splitting quark pair scatte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c92022d167d1e640ea9288bc02c3b238
Publikováno v:
Physical review / D 55(11), 7126-7133 (1997). doi:10.1103/PhysRevD.55.7126
The associated production of a J/psi and a photon in photon-hadron collisions is considered, and shown to be a good probe of the presence of colour-octet mediated channels in quarkonia production, as predicted by the factorization approach within NRQ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______1108::970be8c34c8ad15df3568b22714ba909
https://bib-pubdb1.desy.de/record/330537
https://bib-pubdb1.desy.de/record/330537
Autor:
Schiek, Stephan
160 pp. (1997).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74880fc45a16aa5e7edf4ad510ec27e0
https://bib-pubdb1.desy.de/record/583577
https://bib-pubdb1.desy.de/record/583577
Autor:
Mario Greco, Matteo Cacciari
Publikováno v:
Berlin : Springer 10 pp. (1996). doi:10.3204/PUBDB-2023-00823
Berlin : Springer 10 pp. (1996).
The next-to-leading open charm production in $\gamma p$ collisions is calculated within the Perturbative Fragmentation Functions formalism, to allow resummation of $\as\log(\pt^2/m^2)$ terms. In the large $\pt$ r
The next-to-leading open charm production in $\gamma p$ collisions is calculated within the Perturbative Fragmentation Functions formalism, to allow resummation of $\as\log(\pt^2/m^2)$ terms. In the large $\pt$ r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c578a0c713ab8e276659ca5eaa34a6ed
Autor:
Cacciari, Matteo, Kramer, Michael
Publikováno v:
Physical review letters 76(22), 4128-4131 (1996). doi:10.1103/PhysRevLett.76.4128
We have calculated the leading color-octet contributions to the production of $J/\psi$ particles in photon-proton collisions. Using the values for the color-octet matrix elements extracted from fits to prompt $J/\psi$ data at the Tevatron, we demonst
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______1108::73215c927d697ead516e7db4ca503e71
https://bib-pubdb1.desy.de/record/330540
https://bib-pubdb1.desy.de/record/330540