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First Measurement of Λc Baryon Production in Au+Au Collisions at sNN=200 GeV
- Adam, J;
- Adamczyk, L;
- Adams, JR;
- Adkins, JK;
- Agakishiev, G;
- Aggarwal, MM;
- Ahammed, Z;
- Alekseev, I;
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- de la Barca Sánchez, M Calderón;
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- Chang, F-H;
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- Weidenkaff, PC;
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- Yip, K;
- Zbroszczyk, H;
- Zha, W;
- Zhang, D;
- Zhang, S;
- Zhang, S;
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- Zhang, Y;
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- Zhao, J;
- Zhong, C;
- Zhou, C;
- Zhu, X;
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- Zurek, M;
- Zyzak, M
- et al.
Published Web Location
https://doi.org/10.1103/physrevlett.124.172301Abstract
We report on the first measurement of the charmed baryon Λ_{c}^{±} production at midrapidity (|y|<1) in Au+Au collisions at sqrt[s_{NN}]=200 GeV collected by the STAR experiment at the Relativistic Heavy Ion Collider. The Λ_{c}/D^{0} [denoting (Λ_{c}^{+}+Λ_{c}^{-})/(D^{0}+D[over ¯]^{0})] yield ratio is measured to be 1.08±0.16 (stat)±0.26 (sys) in the 0%-20% most central Au+Au collisions for the transverse momentum (p_{T}) range 3
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