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Fine and hyperfine (de-)excitation of C₄H (X²Σ⁺) by collisions with He at low temperatures

Bilel Mehnen, Hamza Hendaoui, Driss Ben Abdallah and Majdi Hochlaf

A&A, 706 (2026) A187

Published online: 12 February 2026

DOI: 10.1051/0004-6361/202556913

Bilel Mehnen

Hamza Hendaoui

Driss Ben Abdallah

Majdi Hochlaf

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