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CERN Document Server 找到 12 笔记录  1 - 10下一个  跳到记录: 检索需时 0.60 秒. 
1.
Measurement of the cross-section ratio σ$_{ψ(2S)}$/σ$_{J/ψ(1S)}$ in exclusive photoproduction at HERA / ZEUS Collaboration
The exclusive photoproduction reactions $\gamma p \to J/\psi(1S) p$ and $\gamma p \to \psi(2S) p$ have been measured at an $ep$ centre-of-mass energy of 318 GeV with the ZEUS detector at HERA using an integrated luminosity of 373 pb$^{-1}$. The measurement was made in the kinematic range $30 < W < 180$ GeV, $Q^2 < 1$ GeV$^2$ and $|t| < 1$ GeV$^2$, where $W$ is the photon--proton centre-of-mass energy, $Q^2$ is the photon virtuality and $t$ is the squared four-momentum transfer at the proton vertex. [...]
arXiv:2206.13343; DESY-22-107.- 2022-12-29 - 27 p. - Published in : JHEP 2212 (2022) 164 Fulltext: document - PDF; 2206.13343 - PDF;
2.
Impact of jet-production data on the next-to-next-to-leading-order determination of HERAPDF2.0 parton distributions / H1 Collaboration
The HERAPDF2.0 ensemble of parton distribution functions (PDFs) was introduced in 2015. The final stage is presented, a next-to-next-to-leading-order (NNLO) analysis of the HERA data on inclusive deep inelastic $ep$ scattering together with jet data as published by the H1 and ZEUS collaborations. [...]
arXiv:2112.01120; DESY-21-206.- 2022-03-21 - 43 p. - Published in : Eur. Phys. J. C 82 (2022) 243 Fulltext: 2112.01120 - PDF; document - PDF;
3.
Azimuthal correlations in photoproduction and deep inelastic $ep$ scattering at HERA / ZEUS Collaboration
Collective behaviour of final-state hadrons, and multiparton interactions are studied in high-multiplicity $ep$ scattering at a centre-of-mass energy $\sqrt{s}=318$ GeV with the ZEUS detector at HERA. Two- and four-particle azimuthal correlations, as well as multiplicity, transverse momentum, and pseudorapidity distributions for charged-particle multiplicities $N_{\textrm ch} \geq 20$ are measured. [...]
arXiv:2106.12377; DESY-21-099.- 2021-12-16 - 27 p. - Published in : JHEP 2112 (2021) 102 Fulltext: document - PDF; 2106.12377 - PDF;
4.
Search for a narrow baryonic state decaying to ${pK^0_S}$ and ${\overline{p}K^0_S}$ in deep inelastic scattering at HERA / ZEUS Collaboration
A search for a narrow baryonic state in the $pK^0_S$ and $\overline{p}K^0_S$ system has been performed in $ep$ collisions at HERA with the ZEUS detector using an integrated luminosity of 358 pb$^{-1}$ taken in 2003-2007. The search was performed with deep inelastic scattering events at an $ep$ centre-of-mass energy of 318 GeV for exchanged photon virtuality, $Q^2$, between 20 and 100 $\rm{} GeV^{2}$. [...]
DESY-16-065; arXiv:1604.02220; DESY-16-065.- 2016-08-10 - 8 p. - Published in : Phys. Lett. B 759 (2016) 446-453 Article from SCOAP3: PDF; Preprint: PDF; External link: Preprint
5.
Combination of Measurements of Inclusive Deep Inelastic $e^{\pm}p$ Scattering Cross Sections and QCD Analysis of HERA Data / ZEUS Collaborations
A combination is presented of all inclusive deep inelastic cross sections previously published by the H1 and ZEUS collaborations at HERA for neutral and charged current $e^{\pm}p$ scattering for zero beam polarisation. The data were taken at proton beam energies of 920, 820, 575 and 460 GeV and an electron beam energy of 27.5 GeV. [...]
arXiv:1506.06042; DESY-15-039; DESY-15-039.- 2015-12-08 - 160 p. - Published in : Eur. Phys. J. C 75 (2015) 580 Article from SCOAP3: PDF; Fulltext: PDF; Springer Open Access article: PDF;
6.
Combination of Differential D^{*\pm} Cross-Section Measurements in Deep-Inelastic ep Scattering at HERA / Abramowicz, H. (Tel Aviv U. ; Munich, Max Planck Inst.) ; Abt, I. (Munich, Max Planck Inst.) ; Adamczyk, L. (AGH-UST, Cracow) ; Adamus, M. (NCBJ, Swierk) ; Andreev, V. (Lebedev Inst.) ; Antonelli, S. (INFN, Bologna) ; Aushev, V. (Kiev, INR ; Taras Shevchenko U.) ; Aushev, Y. (Taras Shevchenko U. ; Kiev Polytechnic Inst.) ; Baghdasaryan, A. (Yerevan Phys. Inst.) ; Begzsuren, K. (Ulan Bator, Inst. Phys. Tech.) et al. /H1 Collaoration ; ZEUS Collaborations
H1 and ZEUS have published single-differential cross sections for inclusive D^{*\pm}-meson production in deep-inelastic ep scattering at HERA from their respective final data sets. These cross sections are combined in the common visible phase-space region of photon virtuality Q2 > 5 GeV2, electron inelasticity 0.02 < y < 0.7 and the D^{*\pm} meson's transverse momentum pT (D^*) > 1.5 GeV and pseudorapidity |eta(D^*)| < 1.5. [...]
arXiv:1503.06042; DESY-15-037; DESY-15-037.- 2015-09-22 - 37 p. - Published in : JHEP 09 (2015) 149 Article from SCOAP3: PDF; Fulltext: jt - PDF; arXiv:1503.06042 - PDF; Springer Open Access article: PDF; External links: Rivet analyses reference; Fermilab Library Server
7.
Measurement of beauty and charm production in deep inelastic scattering at HERA and measurement of the beauty-quark mass / ZEUS collaboration
The production of beauty and charm quarks in ep interactions has been studied with the ZEUS detector at HERA for exchanged four-momentum squared 5 < Q^2 < 1000 GeV^2 using an integrated luminosity of 354 pb^{-1}. The beauty and charm content in events with at least one jet have been extracted using the invariant mass of charged tracks associated with secondary vertices and the decay-length significance of these vertices. [...]
arXiv:1405.6915; DESY 14-083.- 2014 - 63 p. - Published in : JHEP 09 (2014) 127 Springer Open Access article: PDF; External link: Preprint
8.
Measurement of $ D^{*\pm}$ production in deep inelastic scattering at HERA / ZEUS Collaboration
The production of $D^{*\pm}$ mesons in deep inelastic $ep$ scattering has been measured for exchanged photon virtualities $ 5<Q^2<1000 \gev^2 $, using an integrated luminosity of 363 pb$^{-1}$ with the ZEUS detector at HERA. Differential cross sections have been measured and compared to next-to-leading-order QCD calculations. [...]
arXiv:1303.6578; DESY-13-054; DESY-13-054.- 2013 - 41 p.
Article from SCOAP3: PDF; Erratum: PDF; Fulltext: PDF; Springer Open Access article: PDF;
9.
Combined Measurement and QCD Analysis of the Inclusive ep Scattering Cross Sections at HERA / H1 and ZEUS Collaborations
A combination is presented of the inclusive deep inelastic cross sections measured by the H1 and ZEUS Collaborations in neutral and charged current unpolarised ep scattering at HERA during the period 1994-2000. The data span six orders of magnitude in negative four-momentum-transfer squared, Q^2, and in Bjorken x. [...]
arXiv:0911.0884; DESY-09-158; DESY-09-158.- 2010 - 61 p. - Published in : JHEP 01 (2010) 109 Fulltext: PDF; Springer Open Access article: PDF; External link: DURHAM
10.
Events with an Isolated Lepton and Missing Transverse Momentum and Measurement of {\boldmath $W$} Production at HERA / H1 Collaboration
A search for events containing an isolated electron or muon and missing transverse momentum produced in $e^{\pm}p$ collisions is performed with the H1 and ZEUS detectors at HERA. The data were taken in the period 1994--2007 and correspond to an integrated luminosity of 0.98 fb$^{-1}$. [...]
arXiv:0911.0858; DESY-09-140; DESY-09-140.- 2010 - 19 p. - Published in : JHEP 03 (2010) 035 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint

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