Mostrando 15,361 - 15,380 Resultados de 16,682 Para Buscar '"quarks"', tiempo de consulta: 0.45s Limitar resultados
  1. 15361
    “…ALICE (A Large Ion Collider Experiment) is an experiment which studies about interacting matter and the quark-gluon plasma at the European Organization for Nuclear Research (CERN) Large Hadron Collider (LHC). …”
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  2. 15362
    “…The study is performed in the framework of the recently proposed effective-energy approach which combines the constituent quark picture and Landau hydrodynamics counting for the centrality-defined effective energy of participants. …”
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  3. 15363
    por Huhn, Patrick
    Publicado 2017
    “…The ALICE experiment at the LHC is designed to study the properties of the Quark-Gluon Plasma (QGP) based on high energy pp, p-Pb and Pb-Pb collisions. …”
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    Enlace del recurso
  4. 15364
    por Okubo, Tsubasa
    Publicado 2017
    “…Comparing particle production in pp, p-A, A-A reactions has frequently been used to separate initial state effects of colliding nuclei from final state effects in quark matter created by the collisions.We have measured π0 and η meson emitted in p-Pb collisions at √sNN = 5.02 TeV via complementary methods, using the ALICE electromagnetic calorimeters, PHOS and EMCal, and Photon Conversion Method (PCM), which identifies photons converted to e+e− pairs in the material of the ALICE inner detectors, TPC and ITS. …”
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  5. 15365
    por Deplano, Caterina
    Publicado 2017
    “…ALICE, A Large Ion Collider Experiment, is conceived to study the physics of strongly interacting matter and the properties of the Quark–Gluon Plasma produced in ultra-relativistic heavy-ion collisions at the CERN LHC. …”
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    Enlace del recurso
  6. 15366
    por Busch, Oliver
    Publicado 2017
    “…No enhancement is observed for particles with no strange quark content, demonstrating that the observed effect is strangeness rather than mass related.…”
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    Enlace del recurso
  7. 15367
    por Quadt, A
    Publicado 2001
    “…Furthermore, for a top quark mass less than or equal to $174.3 GeV/c^2$, and assuming no (or large) mixing in the scalar-top sector, the range $0.4 tan \beta$ , $(0.7 tan \beta 1.8)$ is excluded.…”
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  8. 15368
    por Mischke, André
    Publicado 2018
    “…Furthermore, these control measurements are needed to characterise the extent to which initial-state effects can be differentiated from effects due to final-state interactions in the so-called quark-gluon plasma, produced in high-energy collisions of heavy atomic nuclei. …”
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  9. 15369
    por Schopf, Elisabeth
    Publicado 2018
    “…The multivariate regression technique was also successfully applied to other physics processes containing b-jets such as top-quark pair production. In addition, a comparison of the multivariate regression to other jet energy corrections shows that its performance is similar or even better.…”
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  10. 15370
    por Ghasemi, Sara
    Publicado 2018
    “…The cross section of top-quark pair production in association with a photon in proton–proton collisions at a center-of-mass energy of $\sqrt{s}$ = 8 TeV is measured. …”
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    Enlace del recurso
  11. 15371
    por Knospe, Anders Garritt
    Publicado 2018
    “…Hadron transverse-momentum spectra can be shaped by various effects, including radial flow and recombination; studies of the pT spectra of identified hadrons with different masses and quark content can help to gauge the importance of such effects for different system sizes. …”
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  12. 15372
    por Attikis, Alexandros
    Publicado 2019
    “…For the first time in CMS, the intermediate-mass range near the top quark mass is also explored. A summary of the interpretation of these exclusion limits in the context of the minimal supersymmetric standard model (MSSM) for specific benchmark scenarios is also presented.…”
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  13. 15373
    “…FCC-ee (Future Circular Collider) is a 100 km electron-positron circular collider with two foreseen experiments, aiming to run at four energies for precision studies of the Z, W, and Higgs boson and the top quark. The FCC-ee is a challenging machine from different points of view. …”
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  14. 15374
    por Hwang, Chanwook
    Publicado 2019
    “…Events with two leptons (e or $\mu$) and at least four reconstructed jets, including at least two identified as b quark jets, in the final state are selected. In the full phase space, the measured ratio is 0.022 $\pm$ 0.003 (stat) $\pm$ 0.006 (syst), the cross section $\sigma_{t\bar{t}b\bar{b}}$ is 4.0 $\pm$ 0.6 (stat) $\pm$ 1.3 (syst) pb and $\sigma_{t\bar{t}jj}$ is 184 $\pm$ 6 (stat) $\pm$ 33 (syst) pb . …”
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  15. 15375
    por Cabras, G
    Publicado 2019
    “…Evidence of $H \to b \bar b$ is crucial for constraining the overall Higgs boson decay width and to confirm the Yukawa coupling to quark sector. The most promising production mode is the VH, where the Higgs boson is in association with a vector boson. …”
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    Enlace del recurso
  16. 15376
    por Salvatico, R
    Publicado 2019
    “…Studies of the production of heavy quarkonium states are fundamental to improve our understanding of QCD and hadron formation. In fact, the heavy quark masses allow the application of theoretical tools that are relatively insensitive to non-perturbative effects. …”
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    Enlace del recurso
  17. 15377
    por Ma, Hailong
    Publicado 2019
    “…Herein, we report the improved measurements of the quark mixing matrix elements $|V_{cs(d)}|$ by using $D$$^{+}_{(s)}$ → $\ell$$^{+}$$\nu$$_{\ell}$, $D$$^{0}$$^{(+)}$ → $\bar{K}$$\ell$$^{+}$$\nu$$_{\ell}$, $D$$^{0}$$^{(+)}$ → $\pi$$\ell$$^{+}$$\nu$$_{\ell}$, and $D$$_{s}^{+}$ → η$^{(')}$$\ell$$^{+}$$\nu$$_{\ell}$ and . …”
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  18. 15378
    por Song, Jihye
    Publicado 2020
    “…Having different masses, quantum numbers, and quark content, hadronic resonances can provide insight into processes that determine the shapes of particle momentum spectra, strangeness production, and the possible onset of collective effects in small systems.We here present the latest results on $\rho $(770)$^{0}$, K*(892), $\phi $(1020), $\Sigma $(1385)$^{\pm }$, $\Lambda $(1520), $\Xi $(1530)0 and $\Xi $(1820) production in pp, p–Pb, Pb–Pb and Xe–Xe collisions at different LHC energies. …”
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  19. 15379
    por Botta, Elena
    Publicado 2020
    “…ALICE (A Large Ion Collider Experiment) is a general purpose heavy-ion experiment designed for the study of strongly-interacting matter at the extreme energy densities reached in Pb-Pb collisions at the CERN LHC, where the deconfined phase of hadronic matter known as Quark-Gluon Plasma (QGP), is formed. The innermost detector of ALICE is the Inner Tracking System. …”
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    Enlace del recurso
  20. 15380
    por Hawkins, Donovan Lee
    Publicado 2005
    “…I also present modifications to a chi-squared analysis of the Standard Model and Four Down Quark Model (FDQM) originally done by Dr. Dennis Silverman. …”
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