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Title: Hadronic resonance production in d + Au collisions at s NN = 200 GeV measured at the BNL Relativistic Heavy Ion Collider

Journal Article · · Physical Review C, Nuclear Physics
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Here, we present the first measurements of the ρ(770)0,K*(892), Δ(1232)++,Σ(1385), and Λ(1520) resonances in d + Au collisions at s NN =200 GeV, reconstructed via their hadronic decay channels using the STAR detector (the solenoidal tracker at the BNL Relativistic Heavy Ion Collider). The masses and widths of these resonances are studied as a function of transverse momentum pT. We observe that the resonance spectra follow a generalized scaling law with the transverse mass mT. The pT of resonances in minimum bias collisions are compared with the pT of π, K, and $$\hat{p}$$. The ρ0-,K*/K-++/p,Σ(1385)/Λ, and Λ(1520)/Λ ratios in d + Au collisions are compared with the measurements in minimum bias p + p interactions, where we observe that both measurements are comparable. The nuclear modification factors (RdAu) of the ρ0,K*, and Σ* scale with the number of binary collisions (Nbin) for pT > 1.2 GeV/c.

Research Organization:
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
Sponsoring Organization:
USDOE Office of Science (SC)
Contributing Organization:
STAR Collaboration
Grant/Contract Number:
AC02-05CH11231
OSTI ID:
1511306
Journal Information:
Physical Review C, Nuclear Physics, Vol. 78, Issue 4; ISSN 0556-2813
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English
Citation Metrics:
Cited by: 55 works
Citation information provided by
Web of Science

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Cited By (5)

Hadronic freeze-out in an effective relativistic mean field model journal August 2013
Production of $$\mathbf {\Sigma (1385)^{\pm }}$$ Σ ( 1385 ) ± and $$\mathbf {\Xi (1530)^{0}}$$ Ξ ( 1530 ) 0 in proton–proton collisions at $$\mathbf {\sqrt{s}=}$$ s = 7 TeV journal January 2015
Production of $${\Sigma (1385)^{\pm }}$$ Σ ( 1385 ) ± and $${\Xi (1530)^{0}}$$ Ξ ( 1530 ) 0 in p–Pb collisions at $${\sqrt{s_{\mathrm{NN}}}= 5.02}$$ s NN = 5.02 TeV journal June 2017
Final state hadronic rescattering with UrQMD text January 2018
Final state hadronic rescattering with UrQMD journal January 2018


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