| Article | |
| Report number | arXiv:2308.09417 |
| Title | Compatibility and combination of world W-boson mass measurements |
| Related title | Compatibility and combination of world W-boson mass measurements |
| Author(s) |
Amoroso, Simone (DESY) ; Andari, Nansi (IRFU, Saclay) ; Barter, William (Edinburgh U.) ; Bendavid, Josh (MIT) ; Boonekamp, Maarten (IRFU, Saclay) ; Farry, Stephen (Liverpool U.) ; Gruenewald, Martin (University Coll., Dublin) ; Hays, Chris (Oxford U.) ; Hunter, Ross (Warwick U.) ; Kretzschmar, Jan (Liverpool U.) ; Lupton, Oliver (Warwick U.) ; Pili, Martina (Oxford U.) ; Ramos Pernas, Miguel (Warwick U.) ; Tuchming, Boris (IRFU, Saclay) ; Vesterinen, Mika (Warwick U.) ; Vicini, Alessandro (INFN, Milan ; Milan U.) ; Wang, Chen (Mainz U., Inst. Phys.) ; Xu, Menglin (Warwick U.) |
| Publication | 2024 |
| Imprint | 2023-08-18 |
| Number of pages | 22 |
| In: | Eur. Phys. J. C 84 (2024) 451 |
| DOI | 10.1140/epjc/s10052-024-12532-z |
| Subject category | hep-ex ; Particle Physics - Experiment |
| Accelerator/Facility, Experiment | CERN LHC |
| Abstract | The compatibility of W-boson mass measurements performed by the ATLAS, LHCb, CDF, and D0 experiments is studied using a coherent framework with theory uncertainty correlations. The measurements are combined using a number of recent sets of parton distribution functions (PDF), and are further combined with the average value of measurements from the Large Electron-Positron collider. The considered PDF sets generally have a low compatibility with a suite of global rapidity-sensitive Drell-Yan measurements. The most compatible set is CT18 due to its larger uncertainties. A combination of all mW measurements yields a value of mW = 80394.6 +- 11.5 MeV with the CT18 set, but has a probability of compatibility of 0.5% and is therefore disfavoured. Combinations are performed removing each measurement individually, and a 91% probability of compatibility is obtained when the CDF measurement is removed. The corresponding value of the W boson mass is 80369.2 +- 13.3 MeV, which differs by 3.6 sigma from the CDF value determined using the same PDF set. |
| Copyright/License | publication: © 2024-2025 The Author(s) (License: CC-BY-4.0) preprint: (License: CC BY 4.0) |
Corresponding record in: Inspire
Notice créée le 2024-06-12, modifiée le 2024-07-05
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