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2019-09-12
11:01
[GSI-2019-00915] Journal Article

Das Phasen­diagramm der QCD entschlüsseln
Physik-Journal 18(9), 32-38 ()
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2019-09-10
11:07
OpenAccess [GSI-2019-00914] Contribution to a conference proceedings
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Study of photon strength functions via ($\vec \gamma$ , ${\gamma}'$ , ${\gamma}''$) reactions at the $\gamma{^3}$-setup
16th International Symposium on Capture Gamma-Ray Spectroscopy and Related Topics , CGS16, ShangaiShangai, China, 18 Sep 2017 - 22 Sep 20172017-09-182017-09-22 Les Ulis : EDP Sciences 178, 03006 pp. () [10.1051/epjconf/201817803006]
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2019-09-10
10:31
[GSI-2019-00912] Journal Article
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Valence-shell dependence of the pygmy dipole resonance: $E1$ strength difference in $^{50,54}$$Cr$
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2019-07-12
11:17
[GSI-2019-00793] Journal Article
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Low-lying dipole strength in the well-deformed nucleus $^{156}$Gd
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2019-05-31
13:40
OpenAccess [GSI-2019-00697] Report/Journal Article

Volume Dependence of N-Body Bound States
[arXiv:1701.00279]
We derive the finite-volume correction to the binding energy of an N -particle quantum bound state in a cubic periodic volume. Our results are applicable to bound states with arbitrary composition and total angular momentum, and in any number of spatial dimensions. [...]
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2019-05-31
13:05
OpenAccess [GSI-2019-00694] Report/Journal Article

Prompt photon production and photon-jet correlations at the LHCi
[MS-TP-17-09; arXiv:1709.04154]
Next-to-leading order predictions matched to parton showers are compared with recent ATLAS data on isolated photon production and CMS data on associated photon and jet production in pp and pPb collisions at different centre-of-mass energies of the LHC. We find good agreement and, as expected, considerably reduced scale uncertainties compared to previous theoretical calculations. [...]
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2019-05-29
14:19
OpenAccess [GSI-2019-00692] Report/Journal Article

Fierz-complete NJL model study. II. Toward the fixed-point and phase structure of hot and dense two-flavor QCD
[arXiv:1801.08338]
Nambu-Jona-Lasinio-type models are often employed as low-energy models for the theory of the strong interaction to analyze its phase structure at finite temperature and quark chemical potential. In particular, at low temperature and large chemical potential, where the application of fully first-principles approaches is currently difficult at best, this class of models still plays a prominent role in guiding our understanding of the dynamics of dense strong-interaction matter. [...]
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2019-05-28
12:54
OpenAccess [GSI-2019-00691] Report/Journal Article
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Elliptic flow of electrons from beauty-hadron decays extracted from Pb--Pb collision data at $\sqrt{s_{\rm NN}}$ = 2.76 TeV
[arXiv:1705.00161]
We present a calculation of the elliptic flow of electrons from beauty-hadron decays in semi-central Pb–Pb collisions at centre-of-mass energy per colliding nucleon pair, represented as $\sqrt{s_\mathrm{NN}}$ , of 2.76 TeV. The result is obtained by the subtraction of the charm-quark contribution in the elliptic flow of electrons from heavy-flavour hadron decays in semi-central Pb–Pb collisions at $\sqrt{s_\mathrm{NN}} = 2.76\ \hbox {TeV}$ recently made publicly available by the ALICE collaboration..
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2019-05-28
12:47
OpenAccess [GSI-2019-00690] Report/Journal Article
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Discriminating WIMP-nucleus response functions in present and future XENON-like direct detection experiments
[INT-PUB-18-006; arXiv:1802.04294]
The standard interpretation of direct-detection limits on dark matter involves particular assumptions of the underlying WIMP-nucleus interaction, such as, in the simplest case, the choice of a Helm form factor that phenomenologically describes an isoscalar spin-independent interaction. In general, the interaction of dark matter with the target nuclei may well proceed via different mechanisms, which would lead to a different shape of the corresponding nuclear structure factors as a function of the momentum transfer q. [...]
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2019-05-28
10:20
OpenAccess [GSI-2019-00689] Report/Journal Article
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Polyakov loop fluctuations in the presence of external fields
[arXiv:1801.08040]
We study the implications of the spontaneous and explicit Z(3) center symmetry breaking for the Polyakov loop susceptibilities. To this end, ratios of the susceptibilities of the real and imaginary parts, as well as of the modulus of the Polyakov loop are computed within an effective model using a color group integration scheme. [...]
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