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Lambda-p femtoscopy in collisions of Ar + KCl at 1.76AGeV
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SYSNO ASEP 0347537 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Lambda-p femtoscopy in collisions of Ar + KCl at 1.76AGeV Author(s) Agakishiev, G. (DE)
Balanda, A. (PL)
Bassini, R. (IT)
Belver, D. (ES)
Belyaev, A. V. (RU)
Blanco, A. (PT)
Böhmer, M. (DE)
Boyard, J. L. (FR)
Braun-Munzinger, P. (DE)
Cabanelas, P. (ES)
Castro, E. (ES)
Chernenko, S. (RU)
Christ, T. (DE)
Destefanis, M. (DE)
Díaz, J. (ES)
Dohrmann, F. (DE)
Dybczak, A. (PL)
Eberl, T. (DE)
Fabbietti, L. (DE)
Fateev, O.V. (RU)
Finocchiaro, P. (IT)
Fonte, P. (PT)
Friese, J. (DE)
Frohlich, I. (DE)
Galatyuk, T. (DE)
Garzón, J.A. (ES)
Gernhäuser, R. (DE)
Gil, A. (ES)
Gilardi, C. (DE)
Golubeva, M. (RU)
Gonzalez-Diaz, D. (DE)
Guber, F. (RU)
Hennino, T. (FR)
Holzmann, R. (DE)
Iori, I. (IT)
Ivashkin, A. (RU)
Jurkovic, M. (DE)
Kampfer, P. (DE)
Kanaki, K. (DE)
Karavicheva, T. (RU)
Kirschner, D. (DE)
Koenig, I. (DE)
Koenig, W. (DE)
Kolb, B.W. (DE)
Kotte, R. (DE)
Křížek, Filip (UJF-V) RID, ORCID, SAI
Krücken, R. (DE)
Kuhn, W. (DE)
Kugler, Andrej (UJF-V) RID, ORCID, SAI
Kurepin, A. (RU)
Lang, S. (DE)
Lange, J.S. (DE)
Lapidus, K. (RU)
Liu, T. (FR)
Lopes, L. (PT)
Lorenz, M. (DE)
Maier, L. (DE)
Mangiarotti, A. (PT)
Markert, J. (DE)
Metag, V. (DE)
Michalska, B. (PL)
Michel, J. (DE)
Mishra, D. (DE)
Moriniére, E. (FR)
Mousa, J. (CY)
Muntz, C. (DE)
Naumann, L. (DE)
Otwinowski, J. (PL)
Pachmayer, Y.C. (DE)
Palka, M. (DE)
Parpottas, Y. (CY)
Pechenov, V. (DE)
Pechenova, O. (DE)
Pietraszko, J. (DE)
Przygoda, W. (PL)
Ramstein, B. (FR)
Reshetin, A. (RU)
Roy-Stephan, M. (FR)
Rustamov, A. (DE)
Sadovsky, A. (RU)
Sailer, B. (DE)
Salabura, P. (PL)
Schmah, A. (DE)
Sobolev, Yuri, G. (UJF-V) ORCID
Spataro, S. (DE)
Spruck, B. (DE)
Strobele, H. (DE)
Stroth, J. (DE)
Sudol, M. (FR)
Tarantola, A. (DE)
Teilab, K. (DE)
Tlustý, Pavel (UJF-V) ORCID, SAI
Traxler, M. (DE)
Trebacz, R. (PL)
Tsertos, H. (CY)
Wagner, Vladimír (UJF-V) RID, ORCID, SAI
Weber, M. (DE)
Wendisch, C. (DE)
Wisniowski, M. (PL)
Wojcik, T. (PL)
Wuestenfeld, J. (DE)
Yurevich, S. (DE)
Zanevsky, Y.V. (RU)
Zhou, P. (DE)
Zumbruch, P. (DE)Source Title Physical Review. C - ISSN 0556-2813
Roč. 82, č. 2 (2010), 021901/1-021901/5Number of pages 5 s. Language eng - English Country US - United States Keywords HEAVY-ION COLLISIONS ; SOURCE-SIZE MEASUREMENTS ; FINAL-STATE INTERACTION Subject RIV BG - Nuclear, Atomic and Molecular Physics, Colliders R&D Projects LC07050 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) IAA100480803 GA AV ČR - Academy of Sciences of the Czech Republic (AV ČR) CEZ AV0Z10480505 - UJF-V (2005-2011) UT WOS 000281017300001 DOI 10.1103/PhysRevC.82.021901 Annotation Results on Lambda p femtoscopy are reported at the lowest energy so far. At a beam energy of 1.76AGeV, the reaction Ar + KCl was studied with the High Acceptance Di-Electron Spectrometer ( HADES) at SIS18/GSI. A high-statistics and high-purity Lambda sample was collected, allowing for the investigation of Lambda p correlations at low relative momenta. The experimental correlation function is compared to corresponding model calculations allowing the determination of the space-time extent of the Lambda p emission source. The Lambda p source radius is found to be slightly smaller than the pp correlation radius for a similar collision system. The present Lambda p radius is significantly smaller than that found for Au + Au/Pb + Pb collisions in the AGS, SPS, and RHIC energy domains but larger than that observed for electroproduction from He. Taking into account all available data, we find the Lambda p source radius to increase almost linearly with the number of participants to the power of one-third. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2011
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