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| Title: | Rapidity dependence of antideuteron coalescence in pp collisions at s=13 TeV with ALICE |
| Authors: | Bailung, Yoshini Behera, Debadatta Goswami, Kangkan |
| Issue Date: | 2025 |
| Publisher: | Elsevier B.V. |
| Citation: | Acharya, S., Adamová, D., Agarwal, A., Aglieri Rinella, G., Aglietta, L., Agnello, M., Agrawal, N., Ahammed, Z., Ahmad, S., Ahn, S. U., Ahuja, I., Akindinov, A., Akishina, V., Al-Turany, M., Aleksandrov, D., Alessandro, B., Alfanda, H. M., Alfaro Molina, R., Ali, B., … Zurlo, N. (2025b). Rapidity dependence of antideuteron coalescence in pp collisions at s=13 TeV with ALICE. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics. Scopus. https://doi.org/10.1016/j.physletb.2024.139191 |
| Abstract: | The production yields of antideuterons and antiprotons are measured in pp collisions at a center-of-mass energy of s=13 TeV, as a function of transverse momentum (pT) and rapidity (y), for the first time rapidity-differentially up to |y|=0.7. The measured spectra are used to study the pT and rapidity dependence of the coalescence parameter B2, which quantifies the coalescence probability of antideuterons. The pT and rapidity dependence of the obtained B2 is extrapolated for pT>1.7 GeV/c and |y|>0.7 using the phenomenological antideuteron production model implemented in PYTHIA 8.3 as well as a baryon coalescence afterburner model based on EPOS 3. Such measurements are of interest to the astrophysics community, since they can be used for the calculation of the flux of antinuclei from cosmic rays, in combination with coalescence models. © 2024 CERN for the benefit of the ALICE Collaboration |
| URI: | https://doi.org/10.1016/j.physletb.2024.139191 https://dspace.iiti.ac.in/handle/123456789/15251 |
| ISSN: | 0370-2693 |
| Type of Material: | Journal Article |
| Appears in Collections: | Department of Physics |
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