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| molecules:ism:bd-e1cn [2025/05/20 12:55] – mueller | molecules:ism:bd-e1cn [2025/05/20 13:02] (current) – mueller |
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| **[[https://doi.org/10.1051/0004-6361/202554343|A Search for the Three Isomers of Cyano-1,3-butadiene in TMC-1: Implications for Bottom-up Routes Involving 1,3-Butadiene]]**\\ | **[[https://doi.org/10.1051/0004-6361/202554343|A Search for the Three Isomers of Cyano-1,3-butadiene in TMC-1: Implications for Bottom-up Routes Involving 1,3-Butadiene]]**\\ |
| //Astron. Astrophys.// **697**, Art. No. A82 (2025).\\ | //Astron. Astrophys.// **697**, Art. No. A82 (2025).\\ |
| | They use their QUIJOTE line survey between 31.0 and 50.3 GHz to search for //E//-1-, //Z//-1-, and 2-cyano-1,3-butadiene. None of the isomers was detected. Moreover, the upper limit for the column density of //E//-1-cyano-1,3-butadiene is a factor of three lower than the one reported in the study above. Therefore, the molecule is considered as undetected for now. An additional outcome of this study is that the role of 1,3-butadiene in the bottom-up formation of PAHs is likely smaller than thought thus far.\\ |
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