Λ+c polarimetry using the dominant hadronic mode
The polarimeter vector field for multibody decays of a spin-half baryon is introduced as a generalisation of the baryon asymmetry parameters. Using a recent amplitude analysis of the Λ+c → pK−π+ decay performed at the LHCb experiment, we compute the distribution of the kinematic-dependent polarimeter...
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| Main Authors: | , , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
31 July 2023
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| In: |
Journal of high energy physics
Year: 2023, Issue: 7, Pages: 1-26 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP07(2023)228 |
| Online Access: | Verlag, kostenfrei, Volltext: https://doi.org/10.1007/JHEP07(2023)228 Verlag, kostenfrei, Volltext: https://link.springer.com/10.1007/JHEP07(2023)228 
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| Author Notes: | the LHCb collaboration |
MARC
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| 245 | 1 | 0 | |a Λ+c polarimetry using the dominant hadronic mode |c the LHCb collaboration |
| 246 | 3 | 3 | |a Measurement of the Lambda plus c polarimetry using the dominant hadronic mode |
| 246 | 3 | 3 | |a Lambda plus c polarimetry using the dominant hadronic mode |
| 264 | 1 | |c 31 July 2023 | |
| 300 | |b Illustrationen | ||
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| 500 | |a LHCb Collaboration: R. Aaij, S. Bachmann, M. Borsato, R. Caspary, G. Frau, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, J. Kubat, B. Leverington, J. Marks, M.P. Morgenthaler, R. Skuza, D. Unverzagt, U. Uwer, C. Wang, L. Witola, A. Zhelezov [und 1043 weitere] | ||
| 500 | |a Im Text ist "+" hochgestellt und "c" tiefgestellt | ||
| 500 | |a Gesehen am 10.01.2024 | ||
| 520 | |a The polarimeter vector field for multibody decays of a spin-half baryon is introduced as a generalisation of the baryon asymmetry parameters. Using a recent amplitude analysis of the Λ+c → pK−π+ decay performed at the LHCb experiment, we compute the distribution of the kinematic-dependent polarimeter vector for this process in the space of Mandelstam variables to express the polarised decay rate in a model-agnostic form. The obtained representation can facilitate polarisation measurements of the Λ+c baryon and eases inclusion of the Λ+c → pK−π+ decay mode in hadronic amplitude analyses. | ||
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