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| Title: | Measuring KS 0K± interactions using Pb–Pb collisions at sNN=2.76 TeV |
| Authors: | Garg, P. Roy, Ankhi Sahoo, Raghunath |
| Issue Date: | 2017 |
| Publisher: | Elsevier B.V. |
| Citation: | Acharya, S., Adamová, D., Adolfsson, J., Aggarwal, M. M., Aglieri Rinella, G., Agnello, M., . . . Zou, S. (2017). Measuring KS0K± interactions using Pb–Pb collisions at sNN=2.76 TeV. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 774, 64-77. doi:10.1016/j.physletb.2017.09.009 |
| Abstract: | We present the first ever measurements of femtoscopic correlations between the KS 0 and K± particles. The analysis was performed on the data from Pb–Pb collisions at sNN=2.76 TeV measured by the ALICE experiment. The observed femtoscopic correlations are consistent with final-state interactions proceeding via the a0(980) resonance. The extracted kaon source radius and correlation strength parameters for KS 0K− are found to be equal within the experimental uncertainties to those for KS 0K+. Comparing the results of the present study with those from published identical-kaon femtoscopic studies by ALICE, mass and coupling parameters for the a0 resonance are tested. Our results are also compatible with the interpretation of the a0 having a tetraquark structure instead of that of a diquark. © 2017 The Author |
| URI: | https://doi.org/10.1016/j.physletb.2017.09.009 https://dspace.iiti.ac.in/handle/123456789/8297 |
| ISSN: | 0370-2693 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Physics |
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