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Tsyganok","submitted_at":"2017-01-27T02:20:57Z","abstract_excerpt":"We studied light assisted collisions of Tm atoms in a magneto optical trap (MOT) for the first time, working on a weak cooling transition at 530.7 nm $(4f^{13}(^2F^0)6s^2,J=7/2,F=4$ to $4f^{12}(^3H_6)5d_{5/2}6s^2,J=9/2,F=5)$. We observed a strong influence from radiation trapping and light assisted collisions on the dynamics of this trap. We carefully separated these two contributions and measured the binary loss rate constant at different laser powers and detuning frequencies near the cooling transition. 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Akimov, Andrei Khoroshilov, Denis D. Sukachev, D.N. Kublikova, Elena S. Kalganova, E.T. Davletov, Gulnara A. Vishnyakova, Ilya A. Luchnikov, Ivan S. Cojocaru, Olesya V. Belyaeva, Sergey V. Pyatchenkov, Stepan A. Snigirev, Vadim N. Sorokin, V.S. Bushmakin, V.V. Tsyganok","submitted_at":"2017-01-27T02:20:57Z","abstract_excerpt":"We studied light assisted collisions of Tm atoms in a magneto optical trap (MOT) for the first time, working on a weak cooling transition at 530.7 nm $(4f^{13}(^2F^0)6s^2,J=7/2,F=4$ to $4f^{12}(^3H_6)5d_{5/2}6s^2,J=9/2,F=5)$. We observed a strong influence from radiation trapping and light assisted collisions on the dynamics of this trap. We carefully separated these two contributions and measured the binary loss rate constant at different laser powers and detuning frequencies near the cooling transition. 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