Datensätze

Letzte Einträge:
2024-01-16
00:14
[GSI-2024-00308] Dataset

Constraining hadronization mechanisms with $\rm \Lambda_{\rm c}^{+}$/D$^0$ production ratios in Pb-Pb collisions at $\sqrt{s_{\rm NN}} = 5.02$ TeV
The production of prompt $\rm \Lambda_{\rm c}^{+}$ baryons at midrapidity ($|y|<0.5$) was measured in central (0--10\%) and mid-central (30--50\%) Pb--Pb collisions at the center-of-mass energy per nucleon--nucleon pair $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV with the ALICE detector. The $\rm \Lambda_{\rm c}^{+}$ production yield, the $\rm \Lambda_{\rm c}^{+} / D^0$ production ratio, and the $\rm \Lambda_{\rm c}^{+}$ nuclear modification factor $R_{\rm AA}$ are reported. [...]

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2024-01-16
00:09
[GSI-2024-00306] Dataset

Constraining the ${\rm\overline{K}N}$ coupled channel dynamics using femtoscopic correlations at the LHC
The interaction of K$^-$ with protons is characterised by the presence of several coupled channels, systems like $\mathrm{\overline{K}^0 n}$ and $\pi \Sigma$ with a similar mass and the same quantum numbers as the K$^-$p state. The strengths of these couplings to the K$^-$p system are of crucial importance for the understanding of the nature of the $\Lambda(1405)$ resonance and of the attractive K$^-$p strong interaction. [...]

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2024-01-16
00:02
[GSI-2024-00304] Dataset

$\Sigma(1385)^{\pm}$ resonance production in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=5.02$ TeV
CERN-LHC. Transverse momentum spectra of $\Sigma(1385)^{\pm}$ produced in Pb-Pb collisions at $\sqrt{s_{\rm{NN}}}$ = 5.02 TeV, measured in the rapidity range $ -0.5 < y_{cms} < 0 $ with the ALICE detector at the LHC..

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2024-01-15
16:00
[GSI-2024-00299] Dataset

Investigation of K$^{+}$K$^{-}$ interactions via femtoscopy in Pb$-$Pb collisions at $\sqrt{s_{\mathrm{NN}}} =2.76$ TeV at the LHC
Investigation of K$^{+}$K$^{-}$ interactions via femtoscopy in Pb--Pb collisions at \sqrt{s_{NN}}=2.76TeV at the LHC

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2024-01-15
15:54
[GSI-2024-00297] Dataset

W$^\pm$-boson production in p$-$Pb collisions at $\sqrt{s_{NN}} = 8.16$ TeV and PbPb collisions at $\sqrt{s_{NN}} = 5.02$ TeV
Measurement of W-boson production at forward rapidity in p-Pb collisions at $\sqrt{s_{NN}} =$ 8.16 TeV and Pb-Pb collisions at $\sqrt{s_{NN}} =$ 5.02 TeV. The measurement is done in the muon decay channel.The fiducial region is defined by- $\eta$ (pseudorapidity) of muons in $-4.0 < \eta < -2.5$ in the laboratory frame and ALICE reference system- $p_{\rm T}$ (transverse momentum) of muons larger than 10 GeV/$c$For Pb-Pb collisions the laboratory frame and cms frame coincide [...]

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2024-01-15
15:49
[GSI-2024-00295] Dataset

$\mathrm{K}^{*}(\mathrm{892})^{0}$ and $\mathrm{\phi(1020)}$ production in p-Pb collisions at $\sqrt{s_{\rm NN}}$ = 8.16 TeV
The production of $\rm K^*(892)^0$ and $\phi(1020)$ resonances has been measured in p-Pb collisions at $\sqrt{s_{NN}}$ = 8.16 TeV using the ALICE detector. Resonances are reconstructed via their hadronic decay channels in the rapidity interval $0.5 < y < 0$ and the transverse momentum spectra are measured for various multiplicity classes up to $p_T$= 20 GeV/$c$ for $K^*(892)^0$ and $p_T$ = 16 GeV/$c$ for$\phi(1020)$ . [...]

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2024-01-15
15:32
[GSI-2024-00292] Dataset

Observation of flow angle and flow magnitude fluctuations in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV at the LHC
This Letter reports on the first measurements of transverse momentum dependent flow angle $\Psi_{n}$ and flow magnitude $v_{n}$ fluctuations, determined using new four-particle correlators. The measurements are performed for various centralities in Pb-–Pb collisions at a centre of mass energy of $\sqrt{s_{\rm NN}} = 5.02{\rm\ TeV}$ with ALICE at the LHC. [...]

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2024-01-15
15:26
[GSI-2024-00290] Dataset

Two-particle transverse momentum correlations in pp and p-Pb collisions at LHC energies
Two-particle transverse momentum differential correlators, recently measured in Pb$-$Pb collisions at LHC energies, provide an additional tool to gain insights into particle production mechanisms and infer transport properties, such as the ratio of shear viscosity to entropy density, of the medium created in Pb$-$Pb collisions. The longitudinal long-range correlations and the large azimuthal anisotropy measured at low transverse momenta in small collision systems, namely pp and p$-$Pb, at LHC energies resemble manifestations of collective behaviour. [...]

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2024-01-15
15:20
[GSI-2024-00287] Dataset

Measurement of inclusive and leading subjet fragmentation in pp and Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV
This article presents new measurements of the fragmentation properties of jets in both proton-proton (pp) and heavy-ion collisions with the ALICE experiment at the LHC. We report distributions of the fraction $z_r$ of transverse momentum carried by subjets of radius $r$ within jets of radius $R$ [...]

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2024-01-15
15:09
[GSI-2024-00284] Dataset

Measurements of the groomed jet radius and momentum splitting fraction with the soft drop and dynamical grooming algorithms in pp collisions at $\sqrt{s}=5.02$ TeV
This article presents measurements of the groomed jet radius and momentum splitting fraction in pp collisions at $\sqrt{s}=5.02$ TeV with the ALICE detector at the Large Hadron Collider. Inclusive charged-particle jets are reconstructed at midrapidity using the anti-$k_{\rm{T}}$ algorithm for transverse momentum $60< p_{\mathrm{T}}^{\rm{ch\; jet}}<80$ GeV/$c$. [...]

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