Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.13091/5388
Title: | New Structures in the Formula Presented Mass Spectrum in Proton-Proton Collisions at Formula Presented | Authors: | Hayrapetyan, A. Tumasyan, A. Adam, W. Andrejkovic, J.W. Bergauer, T. Chatterjee, S. Damanakis, K. |
Keywords: | Mass spectrometry Statistics ATLAS experiment Integrated luminosity Invariant-mass spectra Mass shift Mass spectra Near thresholds Proton proton collisions Quantum interference Standard deviation Mass spectrometers proton adult article diagnosis mass spectrometry nonhuman |
Publisher: | American Physical Society | Abstract: | A search is reported for near-threshold structures in the Formula Presented invariant mass spectrum produced in proton-proton collisions at Formula Presented from data collected by the CMS experiment, corresponding to an integrated luminosity of Formula Presented. Three structures are found, and a model with quantum interference among these structures provides a good description of the data. A new structure is observed with a local significance above 5 standard deviations at a mass of Formula Presented. Another structure with even higher significance is found at a mass of Formula Presented, which is consistent with the Formula Presented resonance reported by the LHCb experiment and confirmed by the ATLAS experiment. Evidence for another new structure, with a local significance of 4.7 standard deviations, is found at a mass of Formula Presented. Results are also reported for a model without interference, which does not fit the data as well and shows mass shifts up to 150 MeV relative to the model with interference. © 2024 CERN, for the CMS Collaboration. | URI: | https://doi.org/10.1103/PhysRevLett.132.111901 https://hdl.handle.net/20.500.13091/5388 |
ISSN: | 0031-9007 |
Appears in Collections: | PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collections Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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