We predict the polarization of Lambda and Lambdabar hyperons in peripheral heavy ion collisions at ultrarelativistic energy, based on the assumption of local thermodynamical equilibrium at the freeze-out. The polarization vector is proportional to the curl of the inverse temperature four-vector field and its length, of the order of percents, is maximal for a particle with moderately high momentum lying on the reaction plane. A selective measurement of these particles could makepolarization detectable
Λ polarization in peripheral heavy ion collisions / F. Becattini;L. P. Csernai;D. J. Wang. - In: PHYSICAL REVIEW. C, NUCLEAR PHYSICS. - ISSN 0556-2813. - STAMPA. - 88:(2013), pp. 034905-034905 -5. [10.1103/PhysRevC.88.034905]
Λ polarization in peripheral heavy ion collisions
BECATTINI, FRANCESCO;
2013
Abstract
We predict the polarization of Lambda and Lambdabar hyperons in peripheral heavy ion collisions at ultrarelativistic energy, based on the assumption of local thermodynamical equilibrium at the freeze-out. The polarization vector is proportional to the curl of the inverse temperature four-vector field and its length, of the order of percents, is maximal for a particle with moderately high momentum lying on the reaction plane. A selective measurement of these particles could makepolarization detectableFile | Dimensione | Formato | |
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