Refine
Year of publication
Document Type
- Preprint (576)
- Article (398)
- Conference Proceeding (7)
- Working Paper (4)
- Book (1)
- Part of a Book (1)
Has Fulltext
- yes (987)
Is part of the Bibliography
- no (987)
Keywords
- Heavy Ion Experiments (18)
- Hadron-Hadron scattering (experiments) (11)
- LHC (9)
- Heavy-ion collision (6)
- ALICE experiment (4)
- Hadron-Hadron Scattering (4)
- Heavy Ions (4)
- Quark-Gluon Plasma (4)
- ALICE (3)
- Jets and Jet Substructure (3)
- glioblastoma (3)
- pp collisions (3)
- Acute myeloid leukemia (2)
- Beauty production (2)
- Charm physics (2)
- Experimental nuclear physics (2)
- Experimental particle physics (2)
- HOD (2)
- Induction chemotherapy (2)
- Intensive care treatment (2)
- Jets (2)
- Lepton-Nucleon Scattering (experiments) (2)
- Particle and resonance production (2)
- Particle correlations and fluctuations (2)
- Pb–Pb collisions (2)
- Polymers (2)
- Single electrons (2)
- Survival (2)
- glioma (2)
- resilience (2)
- 900 GeV (1)
- ACLF (1)
- ALICE detector (1)
- AML (1)
- ASCT (1)
- ATR-FTIR (1)
- Abundance (1)
- Acute kidney failure (1)
- Alzheimer’s dementia (1)
- Amyloid-beta 42 (1)
- Analysis and statistical methods (1)
- Anti-kaon–nucleon physics (1)
- Anti-nuclei (1)
- Aphasia (1)
- Aphasie (1)
- Arcuate fascicle (1)
- Atomic and Molecular Physics (1)
- Autecology (1)
- BRAF (1)
- BRAF V600E (1)
- Baryonic resonances (1)
- Biomarkers (1)
- Bone marrow aspiration (1)
- Brain metastasis (1)
- Brain tumor (1)
- Breast cancer (1)
- CBC (1)
- CHIP (1)
- CLOUD experiment (1)
- CMS (1)
- CVID (1)
- Calorimeters (1)
- Cancer treatment (1)
- Centrality Class (1)
- Centrality Selection (1)
- Chemistry (1)
- Collective Flow (1)
- Comparison with QCD (1)
- Data processing methods (1)
- Ecology (1)
- Ecotoxicology (1)
- Electron-pion identification (1)
- Electroweak interaction (1)
- Ellenberg indicator values (1)
- Elliptic flow (1)
- Environmental quality (1)
- Environmental sciences (1)
- European Society for Immunodeficiencies (ESID) (1)
- Fasciculus arcuatus (1)
- Feeding types (1)
- Femtoscopy (1)
- Festuco-Brometea (1)
- Fibre/foam sandwich radiator (1)
- Fluid overload (1)
- Freezeout (1)
- Freshwater (1)
- German PID-NET registry (1)
- Glioma (1)
- HBT (1)
- HVPG (1)
- Hadron production (1)
- Hadron-Hadron Scattering Heavy (1)
- Hadron-hadron interactions (1)
- Heavy Ion Experiment (1)
- Heavy Quark Production (1)
- Heavy flavor production (1)
- Heavy flavour production (1)
- Heavy ions (1)
- Heavy-flavour decay muons (1)
- Heavy-flavour production (1)
- Heavy-ion collisions (1)
- Heavy-ion reactions (1)
- Hippocampal volume (1)
- Hirninfarkt (1)
- Holmes tremor (1)
- Hyperons (1)
- IgG substitution therapy (1)
- Imidacloprid (1)
- Inclusive spectra (1)
- Intensity interferometry (1)
- Invariant Mass Distribution (1)
- Invertebrates (1)
- Ionisation energy loss (1)
- Ischemic stroke (1)
- Kaonic nuclei (1)
- Kollisionen schwerer Ionen (1)
- Lacunar (1)
- Lakunär (1)
- Lesions (1)
- Litter (1)
- Low energy QCD (1)
- MRI (1)
- Microplastic-biota interaction (1)
- Microplastics (1)
- Mid-rapidity (1)
- Mild cognitive impairment (1)
- Minimum Bias (1)
- Molecular matched therapy (1)
- Molecular profiling (1)
- Monitoring (1)
- Monte Carlo (1)
- Multi-strange baryons (1)
- Multi-wire proportional drift chamber (1)
- Multiple stressors (1)
- Nanoplastics (1)
- Necrosis (1)
- Neural network (1)
- Non-small cell lung cancer (1)
- Nuclear modification factor (1)
- Nucleus (1)
- PID prevalence (1)
- PXA (1)
- PYTHIA (1)
- Partial wave analysis (1)
- Particle Correlations and Fluctuations (1)
- Pb–Pb (1)
- Performance of High Energy Physics Detectors (1)
- Peripheral blood smears (1)
- Phospho-tau (1)
- Plastic polymers (1)
- Plastics (1)
- Prediction (1)
- Production Cross Section (1)
- Properties of Hadrons (1)
- Proton (1)
- Proton–proton (1)
- Pyrolysis GC–MS (1)
- QCD (1)
- QMD (1)
- Quantenmolekulardynamik (1)
- Quark Gluon Plasma (1)
- Quark Production (1)
- Quark gluon plasma (1)
- Rapidity Range (1)
- Relapse surveillance (1)
- Relativistic heavy ion physics (1)
- Relativistic heavy-ion collisions (1)
- Resolution Parameter (1)
- Review (1)
- Single muons (1)
- Stereotactic radiosurgery (1)
- Strangeness (1)
- Subcortical (1)
- Subkortikal (1)
- Suspended solids (1)
- Systematic Uncertainty (1)
- TR (1)
- Targeted therapy (1)
- Tau (1)
- Thermal desorption GC–MS (1)
- Time Projection Chamber (1)
- Toxicity (1)
- Tracking (1)
- Transition radiation detector (1)
- Transverse momentum (1)
- Trigger (1)
- Vector (1)
- Vector Boson Production (1)
- Visual analysis (1)
- Water framework directive (1)
- Xenon-based gas mixture (1)
- acute decompensation (1)
- aerosol formation (1)
- aerosols (1)
- anti-angiogenic therapy (1)
- asset pricing (1)
- autologous stem cell transplantation (1)
- bevacizumab (1)
- cerebellar mutism (1)
- cerebellum (1)
- chemotherapy (1)
- cirrhosis (1)
- clonal dominance (1)
- clonal hematopoiesis (1)
- cortex, gray matter (1)
- credit risk (1)
- dE/dx (1)
- dabrafenib (1)
- diffusion tensor imaging (1)
- dispersal (1)
- ecological strategy (1)
- equity options (1)
- fractional anisotropy (1)
- gliomatosis cerebri growth pattern (1)
- heavy ion collisions (1)
- heavy ion experiments (1)
- hematopoietic stem cells (1)
- hematopoietic stress (1)
- hydrocephalus (1)
- hypoxia (1)
- intestinal manipulation (1)
- intraventricular chemotherapy (1)
- isolation (1)
- leptomeningeal disease (1)
- leptomeningeal metastases (1)
- leukemia (1)
- low risk anomaly (1)
- mean diffusivity (1)
- medulloblastoma (1)
- medulloblastoma resection (1)
- mowing (1)
- multiple sclerosis (1)
- nanoparticle growth (1)
- naturalness (1)
- neurosurgery (1)
- palatal tremor (1)
- pandemics (1)
- patterns of progression (1)
- perioperative ischemia (1)
- phenology (1)
- plant traits (1)
- pleomorphic xanthoastrocytoma (1)
- portal pressure (1)
- posterior fossa masses (1)
- ppK − (1)
- primary brain tumors (1)
- primary immunodeficiency (PID) (1)
- quant molekular dynamic (1)
- quark gluon plasma (1)
- rare disasters (1)
- registry for primary immunodeficiency (1)
- risk premia (1)
- skewness (1)
- social distance (1)
- somatic mutations (1)
- spectra (1)
- surgery (1)
- ventriculoperitoneal shunt (1)
- volatile organic compounds (1)
- √sN N = 2.76 TeV (1)
Institute
The elliptic flow (v2) of (anti-)3He is measured in Pb-Pb collisions at sNN−−−√ = 5.02 TeV in the transverse-momentum (pT) range of 2-6 GeV/c for the centrality classes 0-20%, 20-40%, and 40-60% using the event-plane method. This measurement is compared to that of pions, kaons, and protons at the same center-of-mass energy. A clear mass ordering is observed at low pT, as expected from relativistic hydrodynamics. The violation of the scaling of v2 with the number of constituent quarks at low pT, already observed for identified hadrons and deuterons at LHC energies, is confirmed also for (anti-)3He. The elliptic flow of (anti-)3He is underestimated by the Blast-Wave model and overestimated by a simple coalescence approach based on nucleon scaling. The elliptic flow of (anti-)3He measured in the centrality classes 0-20% and 20-40% is well described by a more sophisticated coalescence model where the phase-space distributions of protons and neutrons are generated using the iEBE-VISHNU hybrid model with AMPT initial conditions.
The elliptic flow (v2) of (anti-)3He is measured in Pb-Pb collisions at sNN−−−√ = 5.02 TeV in the transverse-momentum (pT) range of 2-6 GeV/c for the centrality classes 0-20%, 20-40%, and 40-60% using the event-plane method. This measurement is compared to that of pions, kaons, and protons at the same center-of-mass energy. A clear mass ordering is observed at low pT, as expected from relativistic hydrodynamics. The violation of the scaling of v2 with the number of constituent quarks at low pT, already observed for identified hadrons and deuterons at LHC energies, is confirmed also for (anti-)3He. The elliptic flow of (anti-)3He is underestimated by the Blast-Wave model and overestimated by a simple coalescence approach based on nucleon scaling. The elliptic flow of (anti-)3He measured in the centrality classes 0-20% and 20-40% is well described by a more sophisticated coalescence model where the phase-space distributions of protons and neutrons are generated using the iEBE-VISHNU hybrid model with AMPT initial conditions.
The differential invariant cross section as a function of transverse momentum (pT) of electrons from semileptonic heavy-flavour hadron decays was measured at midrapidity in proton-proton (pp) collisions at s√ = 5.02 TeV in the pT interval 0.5-10 GeV/c, as well as the invariant yield in central (0-10%), semi-central (30-50%) and peripheral (60-80%) lead-lead (Pb-Pb) collisions at sNN−−−√ = 5.02 TeV in the pT intervals 0.5-26 GeV/c (0-10% and 30-50%) and 0.5-10 GeV/c (60-80%). The modification of the electron yield with respect to what is expected for an incoherent superposition of nucleon-nucleon collisions is evaluated by measuring the nuclear modification factor RAA. The measurement of the RAA in different centrality classes allows in-medium energy loss of charm and beauty quarks to be investigated. Moreover, the measured RAA is sensitive to the modification of the parton distribution functions (PDF) in nuclei, like nuclear shadowing, which causes a suppression of the heavy-quark production at low pT in heavy-ion collisions at LHC.
The differential invariant yield as a function of transverse momentum (pT) of electrons from semileptonic heavy-flavour hadron decays was measured at midrapidity in central (0-10%), semi-central (30-50%) and peripheral (60-80%) lead-lead (Pb-Pb) collisions at sNN−−−√=5.02 TeV in the pT intervals 0.5-26 GeV/c (0-10% and 30-50%) and 0.5-10 GeV/c (60-80%). The production cross section in proton-proton (pp) collisions at s√=5.02 TeV was measured as well in 0.5<pT<10 GeV/c and it lies close to the upper band of perturbative QCD calculation uncertainties up to pT=5 GeV/c and close to the mean value for larger pT. The modification of the electron yield with respect to what is expected for an incoherent superposition of nucleon-nucleon collisions is evaluated by measuring the nuclear modification factor RAA. The measurement of the RAA in different centrality classes allows in-medium energy loss of charm and beauty quarks to be investigated. The RAA shows a suppression with respect to unity at intermediate pT, which increases while moving towards more central collisions. Moreover, the measured RAA is sensitive to the modification of the parton distribution functions (PDF) in nuclei, like nuclear shadowing, which causes a suppression of the heavy-quark production at low pT in heavy-ion collisions at LHC.
The differential invariant cross section as a function of transverse momentum (pT) of electrons from semileptonic heavy-flavour hadron decays was measured at midrapidity in proton-proton (pp) collisions at s√ = 5.02 TeV in the pT interval 0.5-10 GeV/c, as well as the invariant yield in central (0-10%), semi-central (30-50%) and peripheral (60-80%) lead-lead (Pb-Pb) collisions at sNN−−−√ = 5.02 TeV in the pT intervals 0.5-26 GeV/c (0-10% and 30-50%) and 0.5-10 GeV/c (60-80%). The modification of the electron yield with respect to what is expected for an incoherent superposition of nucleon-nucleon collisions is evaluated by measuring the nuclear modification factor RAA. The measurement of the RAA in different centrality classes allows in-medium energy loss of charm and beauty quarks to be investigated. Moreover, the measured RAA is sensitive to the modification of the parton distribution functions (PDF) in nuclei, like nuclear shadowing, which causes a suppression of the heavy-quark production at low pT in heavy-ion collisions at LHC.
Mid-rapidity production of π±, K± and (p¯)p measured by the ALICE experiment at the LHC, in Pb-Pb and inelastic pp collisions at sNN−−−√ = 5.02 TeV, is presented. The invariant yields are measured over a wide transverse momentum (pT) range from hundreds of MeV/c up to 20 GeV/c. The results in Pb-Pb collisions are presented as a function of the collision centrality, in the range 0−90%. The comparison of the pT-integrated particle ratios, i.e. proton-to-pion (p/π) and kaon-to-pion (K/π) ratios, with similar measurements in Pb-Pb collisions at sNN−−−√ = 2.76 TeV show no significant energy dependence. Blast-wave fits of the pT spectra indicate that in the most central collisions radial flow is slightly larger at 5.02 TeV with respect to 2.76 TeV. Particle ratios (p/π, K/π) as a function of pT show pronounced maxima at pT ≈ 3 GeV/c in central Pb-Pb collisions. At high pT, particle ratios at 5.02 TeV are similar to those measured in pp collisions at the same energy and in Pb-Pb collisions at sNN−−−√ = 2.76 TeV. Using the pp reference spectra measured at the same collision energy of 5.02 TeV, the nuclear modification factors for the different particle species are derived. Within uncertainties, the nuclear modification factor is particle species independent for high pT and compatible with measurements at sNN−−−√ = 2.76 TeV. The results are compared to state-of-the-art model calculations, which are found to describe the observed trends satisfactorily.
Mid-rapidity production of π±, K± and (p¯)p measured by the ALICE experiment at the LHC, in Pb-Pb and inelastic pp collisions at sNN−−−√ = 5.02 TeV, is presented. The invariant yields are measured over a wide transverse momentum (pT) range from hundreds of MeV/c up to 20 GeV/c. The results in Pb-Pb collisions are presented as a function of the collision centrality, in the range 0−90%. The comparison of the pT-integrated particle ratios, i.e. proton-to-pion (p/π) and kaon-to-pion (K/π) ratios, with similar measurements in Pb-Pb collisions at sNN−−−√ = 2.76 TeV show no significant energy dependence. Blast-wave fits of the pT spectra indicate that in the most central collisions radial flow is slightly larger at 5.02 TeV with respect to 2.76 TeV. Particle ratios (p/π, K/π) as a function of pT show pronounced maxima at pT ≈ 3 GeV/c in central Pb-Pb collisions. At high pT, particle ratios at 5.02 TeV are similar to those measured in pp collisions at the same energy and in Pb-Pb collisions at sNN−−−√ = 2.76 TeV. Using the pp reference spectra measured at the same collision energy of 5.02 TeV, the nuclear modification factors for the different particle species are derived. Within uncertainties, the nuclear modification factor is particle species independent for high pT and compatible with measurements at sNN−−−√ = 2.76 TeV. The results are compared to state-of-the-art model calculations, which are found to describe the observed trends satisfactorily.
Mid-rapidity production of π±, K± and (p¯)p measured by the ALICE experiment at the LHC, in Pb-Pb and inelastic pp collisions at sNN−−−√ = 5.02 TeV, is presented. The invariant yields are measured over a wide transverse momentum (pT) range from hundreds of MeV/c up to 20 GeV/c. The results in Pb-Pb collisions are presented as a function of the collision centrality, in the range 0−90%. The comparison of the pT-integrated particle ratios, i.e. proton-to-pion (p/π) and kaon-to-pion (K/π) ratios, with similar measurements in Pb-Pb collisions at sNN−−−√ = 2.76 TeV show no significant energy dependence. Blast-wave fits of the pT spectra indicate that in the most central collisions radial flow is slightly larger at 5.02 TeV with respect to 2.76 TeV. Particle ratios (p/π, K/π) as a function of pT show pronounced maxima at pT ≈ 3 GeV/c in central Pb-Pb collisions. At high pT, particle ratios at 5.02 TeV are similar to those measured in pp collisions at the same energy and in Pb-Pb collisions at sNN−−−√ = 2.76 TeV. Using the pp reference spectra measured at the same collision energy of 5.02 TeV, the nuclear modification factors for the different particle species are derived. Within uncertainties, the nuclear modification factor is particle species independent for high pT and compatible with measurements at sNN−−−√ = 2.76 TeV. The results are compared to state-of-the-art model calculations, which are found to describe the observed trends satisfactorily.
This Letter presents the first direct investigation of the p-Σ0 interaction, using the femtoscopy technique in high-multiplicity pp collisions at s√ = 13 TeV measured by the ALICE detector. The Σ0 is reconstructed via the decay channel to Λγ, and the subsequent decay of Λ to pπ−. The photon is detected via the conversion in material to e+e− pairs exploiting the unique capability of the ALICE detector to measure electrons at low transverse momenta. The measured p-Σ0 correlation indicates a shallow strong interaction. The comparison of the data to several theoretical predictions obtained employing the Correlation Analysis Tool using the Schrödinger Equation (CATS) and the Lednický-Lyuboshits approach shows a reasonable agreement. The presented femtoscopic data cannot yet discriminate between different models, which is also the case for the available scattering and hypernuclei data. Nevertheless, the p-Σ0 correlation function is found to be sensitive to the strong interaction, and driven by the interplay of the different spin and isospin channels. This pioneering study demonstrates the feasibility of a femtoscopic measurement in the p-Σ0 channel and with the expected larger data samples in LHC Run 3 and Run 4, the p-Σ0 interaction will be constrained with high precision.
This Letter presents the first direct investigation of the p-Σ0 interaction, using the femtoscopy technique in high-multiplicity pp collisions at s√ = 13 TeV measured by the ALICE detector. The Σ0 is reconstructed via the decay channel to Λγ, and the subsequent decay of Λ to pπ−. The photon is detected via the conversion in material to e+e− pairs exploiting the unique capability of the ALICE detector to measure electrons at low transverse momenta. The measured p-Σ0 correlation indicates a shallow strong interaction. The comparison of the data to several theoretical predictions obtained employing the Correlation Analysis Tool using the Schrödinger Equation (CATS) and the Lednický-Lyuboshits approach shows that the current experimental precision does not yet allow to discriminate between different models, as it is the case for the available scattering and hypernuclei data. Nevertheless, the p-Σ0 correlation function is found to be sensitive to the strong interaction, and driven by the interplay of the different spin and isospin channels. This pioneering study demonstrates the feasibility of a femtoscopic measurement in the p-Σ0 channel and with the expected larger data samples in LHC Run 3 and Run 4, the p-Σ0 interaction will be constrained with high precision.