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Freeze-out dynamics via charged kaon femtoscopy in √s NN=200 GeV central Au + Au collisions

Publication ,  Journal Article
Adamczyk, L; Adkins, JK; Agakishiev, G; Aggarwal, MM; Ahammed, Z; Alekseev, I; Alford, J; Anson, CD; Aparin, A; Arkhipkin, D; Aschenauer, E ...
Published in: Physical Review C - Nuclear Physics
September 19, 2013

We present measurements of three-dimensional correlation functions of like-sign, low-transverse-momentum kaon pairs from √sNN=200 GeV Au+Au collisions. A Cartesian surface-spherical harmonic decomposition technique was used to extract the kaon source function. The latter was found to have a three-dimensional Gaussian shape and can be adequately reproduced by Therminator event-generator simulations with resonance contributions taken into account. Compared to the pion one, the kaon source function is generally narrower and does not have the long tail along the pair transverse momentum direction. The kaon Gaussian radii display a monotonic decrease with increasing transverse mass mT over the interval of 0.55≤mT≤1.15 GeV/c2. While the kaon radii are adequately described by the mT -scaling in the outward and sideward directions, in the longitudinal direction the lowest mT value exceeds the expectations from a pure hydrodynamical model prediction. © 2013 American Physical Society.

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Published In

Physical Review C - Nuclear Physics

DOI

EISSN

1089-490X

ISSN

0556-2813

Publication Date

September 19, 2013

Volume

88

Issue

3

Related Subject Headings

  • Nuclear & Particles Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics
 

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Adamczyk, L., Adkins, J. K., Agakishiev, G., Aggarwal, M. M., Ahammed, Z., Alekseev, I., … Gliske, S. (2013). Freeze-out dynamics via charged kaon femtoscopy in √s NN=200 GeV central Au + Au collisions. Physical Review C - Nuclear Physics, 88(3). https://doi.org/10.1103/PhysRevC.88.034906
Adamczyk, L., J. K. Adkins, G. Agakishiev, M. M. Aggarwal, Z. Ahammed, I. Alekseev, J. Alford, et al. “Freeze-out dynamics via charged kaon femtoscopy in √s NN=200 GeV central Au + Au collisions.” Physical Review C - Nuclear Physics 88, no. 3 (September 19, 2013). https://doi.org/10.1103/PhysRevC.88.034906.
Adamczyk L, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Alekseev I, et al. Freeze-out dynamics via charged kaon femtoscopy in √s NN=200 GeV central Au + Au collisions. Physical Review C - Nuclear Physics. 2013 Sep 19;88(3).
Adamczyk, L., et al. “Freeze-out dynamics via charged kaon femtoscopy in √s NN=200 GeV central Au + Au collisions.” Physical Review C - Nuclear Physics, vol. 88, no. 3, Sept. 2013. Scopus, doi:10.1103/PhysRevC.88.034906.
Adamczyk L, Adkins JK, Agakishiev G, Aggarwal MM, Ahammed Z, Alekseev I, Alford J, Anson CD, Aparin A, Arkhipkin D, Aschenauer E, Averichev GS, Balewski J, Banerjee A, Barnovska Z, Beavis DR, Bellwied R, Betancourt MJ, Betts RR, Bhasin A, Bhati AK, Bhattarai, Bichsel H, Bielcik J, Bielcikova J, Bland LC, Bordyuzhin IG, Borowski W, Bouchet J, Brandin AV, Brovko SG, Bruna E, Bültmann S, Bunzarov I, Burton TP, Butterworth J, Caines H, Calderón De La Barca Sánchez M, Cebra D, Cendejas R, Cervantes MC, Chaloupka P, Chang Z, Chattopadhyay S, Chen HF, Chen JH, Chen JY, Chen L, Cheng J, Cherney M, Chikanian A, Christie W, Chung P, Chwastowski J, Codrington MJM, Corliss R, Cramer JG, Crawford HJ, Cui X, Das S, Davila Leyva A, De Silva LC, Debbe RR, Dedovich TG, Deng J, Derradi De Souza R, Dhamija S, Di Ruzza B, Didenko L, Dilks, Ding F, Dion A, Djawotho P, Dong X, Drachenberg JL, Draper JE, Du CM, Dunkelberger LE, Dunlop JC, Efimov LG, Elnimr M, Engelage J, Engle KS, Eppley G, Eun L, Evdokimov O, Fatemi R, Fazio S, Fedorisin J, Fersch RG, Filip P, Finch E, Fisyak Y, Flores CE, Gagliardi CA, Gangadharan DR, Garand D, Geurts F, Gibson A, Gliske S. Freeze-out dynamics via charged kaon femtoscopy in √s NN=200 GeV central Au + Au collisions. Physical Review C - Nuclear Physics. 2013 Sep 19;88(3).

Published In

Physical Review C - Nuclear Physics

DOI

EISSN

1089-490X

ISSN

0556-2813

Publication Date

September 19, 2013

Volume

88

Issue

3

Related Subject Headings

  • Nuclear & Particles Physics
  • 0202 Atomic, Molecular, Nuclear, Particle and Plasma Physics