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AbstractAbstract
[en] Recent progress on the detection of antimatter particles at RHIC is briefly reviewed. A brief review on the formation and observation of the anti-hyper-triton (_Λ-bar"3H-bar) through the secondary vertex reconstruction via the decay channel _Λ-bar"3H-bar → anti-"3He + π"+ with a branching ratio of 25% in high energy heavy ion collisions is presented. The heaviest antimatter nucleus observed so far is anti-"4He, it was observed in Au-Au collisions in 2011 and its identification relies on energy loss in Time-Projection-Chamber (TPC) as well as by measuring its mass value directly by Time Of Flight at RHIC-STAR. Most of light antimatter particles are produced by nucleon-nucleon reactions, where their production rate can be described by both thermodynamic model and coalescence model. Our calculation based on the hydrodynamic motivated Blast-Wave model can reproduce the differential yields of p(p-bar), Λ(Λ-bar), and light (anti)nuclei as well as (anti)hyper-triton versus transverse momentum
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Lunardi, S.; Bizzeti, P.G.; Kabana, S.; Bucci, C.; Chiari, M.; Dainese, A.; Di Nezza, P.; Menegazzo, R.; Nannini, A.; Signorini, C.; Valiente-Dobon, J.J. (eds.); EDP Sciences, 17, Avenue du Hoggar, Parc d'Activite de Courtaboeuf, BP 112, F-91944 Les Ulis Cedex A (France); v. 66 [2000 p.]; ISBN 978-2-7598-1175-5;
; ISBN 978-2-7598-1176-2;
; 2014; p. 04020.p.1-04020.p.8; INPC 2013: International Nuclear Physics Conference; Firenze (Italy); 2-7 Jun 2013; Available from doi: http://dx.doi.org/10.1051/epjconf/20146604020; Country of input: France; 23 refs.


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Book
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Conference
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ACCELERATORS, ANTIBARYONS, ANTIHYPERONS, ANTIMATTER, ANTINUCLEI, ANTINUCLEONS, ANTIPARTICLES, BARYON-BARYON INTERACTIONS, BARYONS, CHARGED PARTICLES, DIMENSIONLESS NUMBERS, DOCUMENT TYPES, DRIFT CHAMBERS, ELEMENTARY PARTICLES, EVEN-EVEN NUCLEI, EVEN-ODD NUCLEI, FERMIONS, HADRON-HADRON INTERACTIONS, HADRONS, HEAVY ION ACCELERATORS, HELIUM ISOTOPES, HYPERONS, INTERACTIONS, ISOTOPES, LAMBDA BARYONS, LAMBDA PARTICLES, LIGHT NUCLEI, LINEAR MOMENTUM, LOSSES, MATHEMATICAL MODELS, MATTER, MEASURING INSTRUMENTS, MULTIWIRE PROPORTIONAL CHAMBERS, NUCLEAR REACTIONS, NUCLEI, NUCLEONS, PARTICLE INTERACTIONS, PARTICLE MODELS, PROPORTIONAL COUNTERS, PROTONS, RADIATION DETECTORS, STABLE ISOTOPES, STATISTICAL MODELS, STORAGE RINGS, STRANGE PARTICLES
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