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Measurement of [Omega]0c baryon production and branching-fraction ratio BR([Omega]0c → [Omega]-e+[nu]e)/BR([Omega]0c → [Omega]-π+) in pp collisions at √s =13 TeV

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The inclusive production of the charm-strange baryon Ω0c is measured for the first time via its semileptonic decay into Ω−⁢e+⁢𝜈e at midrapidity (|𝑦| <0.8) in proton-proton (pp) collisions at the center-of-mass energy √𝑠 =13 TeV with the ALICE detector at the LHC. The transverse momentum (𝑝T) diff...

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Main Authors: Acharya, Shreyasi (Author) , Angelov, Venelin (Author) , Berdnikova, Anastasia (Author) , Bergmann, Luisa (Author) , Bórquez Cárcamo, Andrés G. (Author) , Crkovská, Jana (Author) , Danisch, Meike (Author) , Feuillard, Victor (Author) , Fokin, Ilya D. (Author) , Glässel, Peter (Author) , Grünwald, Nadine (Author) , Nath, Abhishek (Author) , Pachmayer, Yvonne C. (Author) , Reygers, Klaus (Author) , Schicker, Rainer (Author) , Schlepper, Felix (Author) , Seo, Jinjoo (Author) , Skorodumovs, Georgijs (Author) , Stachel, Johanna (Author) , Stiefelmaier, Stephan (Author) , Veen, Casper Arie van (Author) , Völkl, Martin (Author) , Windelband, Bernd (Author) , Yüncü, Alperen (Author) , Zanone, Federica (Author)
Corporate Author: ALICE (Author)
Format: Article (Journal)
Language:English
Published: 2024
In: Physical review
Year: 2024, Volume: 110, Issue: 3, Pages: 1-15
ISSN:2470-0029
DOI:10.1103/PhysRevD.110.032014
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevD.110.032014
Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.110.032014
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Author Notes:S. Acharya et al. (ALICE Collaboration*)
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Summary:The inclusive production of the charm-strange baryon Ω0c is measured for the first time via its semileptonic decay into Ω−⁢e+⁢𝜈e at midrapidity (|𝑦| <0.8) in proton-proton (pp) collisions at the center-of-mass energy √𝑠 =13 TeV with the ALICE detector at the LHC. The transverse momentum (𝑝T) differential cross section multiplied by the branching ratio is presented in the interval 2 <𝑝T <12 GeV/𝑐. The branching-fraction ratio BR⁡(Ω0c →Ω−⁢e+⁢𝜈e)/BR⁡(Ω0c →Ω−⁢𝜋+) is measured to be 1.12 ±0.22 (stat) ±0.27 (syst). Comparisons with other experimental measurements, as well as with theoretical calculations, are presented.
Item Description:Veröffentlicht: 12. August 2024
*ALICE Collaboration: S. Acharya, V. Anguelov, A. Berdnikova, L. Bergmann, A.G. Borquez Carcamo, J. Crkovska, M.C. Danisch, V.J.G. Feuillard, I. Fokin, P. Glässel, N.A. Grundwald, A. Nath, Y. Pachmayer, K. Reygers, R. Schicker, F. Schlepper, J.J. Seo, G. Skorodumovs, J. Stachel, S.F. Stiefelmaier, C.A. Van Veen, M.A. Völkl, B. Windelband, A. Yuncu, F. Zanone [und 1044 weitere Personen]
Im Titel steht der Buchstabe "s" unter dem Wurzelsymbol
Im Titel ist die Zahl 0 sowie die Plus- und Minuszeichen hochgestellt sowie die Buchstaben "c" und "e" tiefgestellt
Gesehen am 01.07.2025
Physical Description:Online Resource
ISSN:2470-0029
DOI:10.1103/PhysRevD.110.032014

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