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Table 3
Average number of shape-changing collisions Nrs,norm for one formation event [N(Qmin = Qform) = 1].
| V | Formation type | q = –2.5 | q = –3 | q = –3.5 |
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| 0.5 | Catastrophic | 4.60 | 23.1 | 90.9 |
| km s-1 | Sub-catastrophic (0.7) | 2.09 | 4.93 | 9.2 |
| Sub-catastrophic (0.4) | 1.12 | 2.18 | 3.46 | |
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| 2.0 | Catastrophic | 6.58 | 30.1 | 112 |
| km s-1 | Sub-catastrophic (0.7) | 2.57 | 5.41 | 9.9 |
| Sub-catastrophic (0.4) | 1.34 | 2.30 | 3.61 | |
Notes. Nrs,norm is computed for the catastrophic break-up with 
(with R = 3 km) and sub-catastrophic formation with Qform = Qsub and two axis ratios (0.4 and 0.7, respectively).
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