CERN Accelerating science

CERN Document Server Pronađeno je 58 zapisa  1 - 10slijedećikraj  idi na zapis: Pretraživanje je potrajalo 1.18 sekundi 
1.
Measurement of anti-$^{3}$He nuclei absorption in matter and impact on their propagation in the Galaxy / ALICE Collaboration
Antimatter particles such as positrons and antiprotons abound in the cosmos. Much less common are light antinuclei, composed of antiprotons and antineutrons, which can be produced in our galaxy via high-energy cosmic-ray collisions with the interstellar medium or could also originate from the annihilation of the still undiscovered dark-matter particles. [...]
arXiv:2202.01549; CERN-EP-2022-023.- Geneva : CERN, 2022-12-12 - 11 p. - Published in : Nature Phys. 19 (2023) 61-71 Draft (restricted): PDF; Fulltext: document - PDF; 2202.01549 - PDF;
2.
Direct observation of the dead-cone effect in quantum chromodynamics / ALICE Collaboration
At particle collider experiments, elementary particle interactions with large momentum transfer produce quarks and gluons (known as partons) whose evolution is governed by the strong force, as described by the theory of quantum chromodynamics (QCD) [1]. The vacuum is not transparent to the partons and induces gluon radiation and quark pair production in a process that can be described as a parton shower [2]. [...]
arXiv:2106.05713; CERN-EP-2021-107.- 2022-05-18 - 20 p.
- Published in : Nature Draft (restricted): PDF; Fulltext: document - PDF; Publication - PDF; 2106.05713 - PDF; Erratum - PDF; External link: Interactions.org article
3.
Energy Dependence of Tungsten-Dominated SEL Cross Sections / Alia, R G (CERN ; CEM2, Montpellier) ; Brugger, M (CERN) ; Danzeca, S (CERN) ; Ferlet-Cavrois, V (ESTEC, Noordwijk) ; Poivey, C (ESTEC, Noordwijk) ; Roed, K (U. Oslo (main) ; Oslo U.) ; Saigné, F (CEM2, Montpellier ; Montpellier U.) ; Spiezia, G (CERN) ; Uznanski, S (CERN) ; Wrobel, F (CEM2, Montpellier ; IUF, Paris)
The energy dependence of proton-induced Single Event Latchup (SEL) failures is investigated for different Static Random Access Memories (SRAMs) and an Analog-to-Digital Converter (ADC) through experimental measurements in the 30-230 MeV range. It is observed that for several of them, the measurements are not compatible with a saturation below the maximum energy tested. [...]
2014 - 9 p. - Published in : IEEE Trans. Nucl. Sci. 61 (2014) 2718-2726
4.
SEE Measurements and Simulations Using Mono-Energetic GeV-Energy Hadron Beams / Alia, Ruben Garcia (CERN ; Montpellier U.) ; Poivey, Christian (ESTEC, Noordwijk) ; Brugger, Markus (CERN) ; Roed, Ketil (Oslo U.) ; Uznanski, Slawosz (CERN) ; Wrobel, Frederic (Montpellier U.) ; Ferlet-Cavrois, Veronique (ESTEC, Noordwijk) ; Danzeca, Salvatore (Montpellier U.) ; Saigne, Frederic (Montpellier U.) ; Spiezia, Giovanni (CERN)
Single Event Upset (SEU) measurements were performed on the ESA SEU Monitor using mono-energetic GeV-energy hadron beams available in the North Experimental Area at CERN. A 400 GeV proton beam in the H4IRRAD test area and a 120 GeV mixed pion and proton beam at the CERN-EU high Energy Reference Field facility (CERF) were used for this purpose. [...]
2013 - Published in : IEEE Trans. Nucl. Sci. 60 (2013) 4142-4149
5.
RCU2-The ALICE TPC readout electronics consolidation for Run2 / Alme, J (Bergen Coll. Higher Educ.) ; Rohrich, D (U. Bergen (main)) ; Christiansen, P (Lund U.) ; Yang, S (U. Bergen (main)) ; Lien, J (Vestfold U. Coll., Tonsberg) ; Velure, A (U. Bergen (main)) ; Rehman, A Ur (COMSATS, Islamabad) ; Torgersen, C (U. Bergen (main)) ; David, E (Cerntech, Budapest) ; Gunji, T (U. Tokyo (main)) et al.
This paper presents the solution for optimization of the ALICE TPC readout for running at full energy in the Run2 period after 2014. For the data taking with heavy ion beams an event readout rate of 400 Hz with a low dead time is envisaged for the ALICE central barrel detectors during these three years. [...]
2013 - Published in : JINST 8 (2013) C12032 IOP Open Access article: PDF;
In : Topical Workshop on Electronics for Particle Physics, Perugia, Italy, 23 - 27 Sep 2013, pp.C12032
6.
Technical Design Report for the Upgrade of the ALICE Inner Tracking System / ALICE Collaboration
ALICE (A Large Ion Collider Experiment) is preparing a major upgrade of its experimental apparatus, planned for installation in the second long LHC shutdown (LS2) in the years 2018-2019. These plans are presented in the ALICE Upgrade Letter of Intent submitted to the LHCC in September 2012. [...]
CERN-LHCC-2013-024; ALICE-TDR-017.- 2014 - 181 p. Technical design report. ALICE, 17 - Published in : J. Phys. G 41 (2014) 087002 Fulltext: PDF; IOP Open Access article: PDF; - Please contact the library if you need to access this document.
7.
Measurement of charged jet suppression in Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76TeV / ALICE Collaboration
A measurement of the transverse momentum spectra of jets in Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76TeV is reported. Jets are reconstructed from charged particles using the anti-$k_T$ jet algorithm with jet resolution parameters R of 0.2 and 0.3 in pseudo-rapidity |$\eta$|<0.5. [...]
arXiv:1311.0633; CERN-PH-EP-2013-205; CERN-PH-EP-2013-205.- Geneva : CERN, 2014 - 39 p. - Published in : JHEP 30 (2014) 013 Article from SCOAP3: PDF; Fulltext: CERN-PH-EP-2013-205 - PDF; arXiv:1311.0633 - PDF; Springer Open Access article: PDF;
8.
Multiplicity dependence of two-particle azimuthal correlations in pp collisions at the LHC / ALICE Collaboration
We present the measurements of particle pair yields per trigger particle obtained from di-hadron azimuthal correlations in pp collisions at $\sqrt{s}$=0.9, 2.76, and 7 TeV recorded with the ALICE detector. The yields are studied as a function of the charged particle multiplicity. [...]
arXiv:1307.1249; CERN-PH-EP-2013-107; CERN-PH-EP-2013-107.- Geneva : CERN, 2013 - 42 p. - Published in : JHEP 09 (2013) 049 Fulltext: arXiv:1307.1249 - PDF; CERN-PH-EP-2013-107 - PDF; Springer Open Access article: PDF; External link: Preprint
9.
Directed flow of charged particles at mid-rapidity relative to the spectator plane in Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV / ALICE Collaboration
The directed flow of charged particles at midrapidity is measured in Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV relative to the collision plane defined by the spectator nucleons. Both, the rapidity odd ($v_1^{odd}$) and even ($v_1^{even}$) directed flow components are reported. [...]
arXiv:1306.4145; CERN-PH-EP-2013-100; CERN-PH-EP-2013-100.- Geneva : CERN, 2013-12-06 - 11 p. - Published in : Phys. Rev. Lett. 111 (2013) 232302 APS Open Access article: PDF; Draft (restricted): PDF; Fulltext: CERN-PH-EP-2013-100 - PDF; arXiv:1306.4145 - PDF;
10.
Charmonium and $e^+e^-$ pair photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV / ALICE Collaboration
The ALICE Collaboration at the LHC has measured the $J/\psi$ and $\psi$' photoproduction at mid-rapidity in ultra-peripheral Pb-Pb collisions at $\sqrt{s_{NN}}$ = 2.76 TeV. The charmonium is identified via its leptonic decay for events where the hadronic activity is required to be minimal. [...]
arXiv:1305.1467; CERN-PH-EP-2013-066; CERN-PH-EP-2013-066.- 2013-11-09 - 26 p. - Published in : Eur. Phys. J. C 73 (2013) 2617 Fulltext: PDF; Springer Open Access article: PDF; External link: Preprint

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