期刊论文

Jiao, Q

英文

FRONTIERS IN ASTRONOMY AND SPACE SCIENCES

2296-987X

2023

10

1246978

10.3389/fspas.2023.1246978

This work is supported by National Natural Science Foundation of China (NSFC, Nos. 12003070 and 12033004). Research Funding of Wuhan Polytechnic University NO. 2022RZ035. Scientific Research Fund of Dezhou University, 3012304024. [12003070, 12033004]; National Natural Science Foundation of China (NSFC) [2022RZ035]; Wuhan Polytechnic University [3012304024]; Scientific Research Fund of Dezhou University

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We present a statistical study on dense molecular gas tracers of HCN (4-3), HCO+ (4-3) lines and molecular tracers of [C I], and CO observations for a sample of 26 infrared bright star-forming (SF) galaxies. We investigate the dependence of dense gas star formation efficiency traced by HCN (4-3), HCO+ (4-3) (that is L-IR/L-HCN(') (4-3), and LIR/L-HCO+(')(4-3)), and luminosity ratio of L-HCN(')(4-3)/L-HCO+(')(4-3) on [C I]-CO ratios of L-[C (')(I] (1-0))/LCO (1-0), L[C I](2-1)'/L-CO (1-0()') and L-[C I](2-1)(')/L-[C I] (1-0)(') (hereafter R-[CI]) which are sensitive to interstellar medium condi...