Now showing items 1-20 of 916

• #### $^{3}_{\Lambda}\mathrm H$ and $^{3}_{\bar{\Lambda}} \overline{\mathrm H}$ production in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV ﻿

(Peer reviewed; Journal article, 2016-03)
The production of the hypertriton nuclei $^{3}_{\Lambda}\mathrm H$ and $^{3}_{\bar{\Lambda}} \overline{\mathrm H}$ has been measured for the first time in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV with the ...
• #### 3Λh and 3‾Λ‾h lifetime measurement in Pb–Pb collisions at √sNN = 5.02 TeV via two-body decay ﻿

(Peer reviewed; Journal article, 2019-10)
An improved value for the lifetime of the (anti-)hypertriton has been obtained using the data sample of Pb–Pb collisions at sNN=5.02 TeV collected by the ALICE experiment at the LHC. The (anti-)hypertriton has been ...
• #### Absorption properties of high-latitude Norwegian coastal water: The impact of CDOM and particulate matter ﻿

(Peer reviewed; Journal article, 2016-09)
We present data from measurements and analyses of the spectral absorption due to colored dissolved organic matter (CDOM), total suspended matter (TSM), phytoplankton, and non-algal particles (NAP) in high-latitude northern ...
• #### Acoustic Methods for Obtaining the Pressure Reflection Coefficient from a Buffer Rod Based Measurement Cell ﻿

(Peer reviewed; Journal article, 2008-08-08)
The known acoustic methods for obtaining the pressure reflection coefficient from a buffer rod based measurement cell are presented, along with 2 new generic approaches for measuring the pressure reflection coefficient ...
• #### Addressing the hypertriton lifetime puzzle with ALICE at the LHC ﻿

(Peer reviewed; Journal article, 2019)
The ALICE Collaboration collected a large data sample of Pb-Pb collisions at√sNN=5.02 TeV in 2015 at the LargeHadron Collider (LHC) and the excellent particle identification (PID) capabilities allow for the detection of ...
• #### ALICE measurement of the $J/\psi$ nuclear modification factor at mid-rapidity in Pb–Pb collisions at $\sqrt{{s}_{NN}}=$ 5.02 TeV ﻿

(Peer reviewed; Journal article, 2017-11)
ALICE at the LHC provides unique capabilities to study charmonium production at low transverse momenta ( p T ). At central rapidity, ( |y|<0.8 ), ALICE can reconstruct J/ ψ via their decay into two electrons down to zero ...
• #### ALICE measurements of flow coefficients and their correlations in small (pp and p–Pb) and large (Xe–Xe and Pb–Pb) collision systems ﻿

(Peer reviewed; Journal article, 2019)
Many observables which are used as a signature of the collective effects in heavy-ion collisions when measured in high multiplicity pp and pA interactions reveal a very similar behaviour. We will present first measurements ...
• #### ALICE results on system-size dependence of charged-particle multiplicity density in p–Pb, Pb–Pb and Xe–Xe collisions ﻿

(Peer reviewed; Journal article, 2019)
Particle production at LHC energies involves the interplay of hard (perturbative) and soft (non-perturbative) QCD processes. Global observables, such as the charged-particle multiplicity, are related to the initial geometry ...
• #### The ALICE TPC, a large 3-dimensional tracking device with fast readout for ultra-high multiplicity events ﻿

(Peer reviewed; Journal article, 2010-10-01)
The design, construction, and commissioning of the ALICE Time-Projection Chamber (TPC) is described. It is the main device for pattern recognition, tracking, and identification of charged particles in the ALICE experiment ...
• #### The ALICE Transition Radiation Detector: Construction, operation, and performance ﻿

(Peer reviewed; Journal article, 2018-02)
The Transition Radiation Detector (TRD) was designed and built to enhance the capabilities of the ALICE detector at the Large Hadron Collider (LHC). While aimed at providing electron identification and triggering, the TRD ...
• #### Alternative gauge for the description of the light-matter interaction in a relativistic framework ﻿

(Peer reviewed; Journal article, 2017-08)
We present a generalized velocity gauge form of the relativistic laser-matter interaction. In comparison with the (equivalent) regular minimal coupling description, this form of light-matter interaction results in superior ...
• #### An altitude and distance correction to the initial fluence distribution of TGFs ﻿

(Peer reviewed; Journal article, 2014-10)
The source fluence distribution of terrestrial gamma ray flashes (TGFs) has been extensively discussed in recent years, but few have considered how the TGF fluence distribution at the source, as estimated from satellite ...
• #### Analysis of Ozone (O3) and Erythemal UV (EUV) measured by TOMS in the equatorial African belt ﻿

(Peer reviewed; Journal article, 2010-01-19)
We presented time series of total ozone column amounts (TOCAs) and erythemal UV (EUV) doses derived from measurements by TOMS (Total Ozone Mapping Spectrometer) instruments on board the Nimbus-7 (N7) and the Earth Probe ...
• #### Analysis of the apparent nuclear modification in peripheral Pb–Pb collisions at 5.02 TeV ﻿

(Peer reviewed; Journal article, 2019)
Charged-particle spectra at midrapidity are measured in Pb–Pb collisions at the centre-of-mass energy per nucleon–nucleon pair √sNN = 5.02 TeV and presented in centrality classes ranging from most central (0–5%) to most ...
• #### Analysis of Thunderstorms Producing Terrestrial Gamma Ray Flashes With the Meteosat Second Generation ﻿

(Peer reviewed; Journal article, 2019)
Up to now, only few works focused on the meteorological context leading to the production of Terrestrial Gamma ray Flashes (TGFs). In this study, we carry out, for the first time, an analysis on large scale of the ...
• #### Angular analysis of B d 0  → K∗μ+μ− decays in pp collisions at √s=8 TeV with the ATLAS detector ﻿

(Peer reviewed; Journal article, 2018-10-08)
An angular analysis of the decay B_d^0  → K^∗μ^+μ^− is presented, based on proton-proton collision data recorded by the ATLAS experiment at the LHC. The study is using 20.3 fb^−1 of integrated luminosity collected during ...
• #### Anisotropic flow in Xe–Xe collisions at √sNN = 5.44 TeV ﻿

(Peer reviewed; Journal article, 2018-06-30)
The first measurements of anisotropic flow coefficients v_n for mid-rapidity charged particles in Xe–Xe collisions at √sNN = 5.44 TeV are presented. Comparing these measurements to those from Pb–Pb collisions at √sNN = ...
• #### Anisotropic flow of charged hadrons, pions and (anti-)protons measured at high transverse momentum in Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV ﻿

(Peer reviewed; Journal article, 2013-03)
The elliptic, $v_2$, triangular, $v_3$, and quadrangular, $v_4$, azimuthal anisotropic flow coefficients are measured for unidentified charged particles, pions, and (anti-)protons in Pb–Pb collisions at $\sqrt{s_{NN}}$ ...
• #### Anisotropic flow of charged particles in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 5.02 TeV ﻿

(Peer reviewed; Journal article, 2016-04)
We report the first results of elliptic $v_2$ , triangular $v_3$ and quadrangular flow $v_4$ of charged particles in Pb--Pb collisions at $\sqrt{s_{_{\rm NN}}}=$ 5.02 TeV with the ALICE detector at the CERN ...
• #### Anisotropic flow of identified particles in Pb-Pb collisions at √sNN=5.02 TeV ﻿

(Peer reviewed; Journal article, 2018-09-03)
The elliptic (v_2), triangular (v_3), and quadrangular (v-4) flow coefficients of π^±, K^±, p+p¯,Λ+Λ¯,K^0_S , and the ϕ-meson are measured in Pb-Pb collisions at √s_NN=5.02 TeV. Results obtained with the scalar product ...