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Table 1
Parameters of the model.
| Parameters | Valuesa |
|
|
|
| EGRB: total energy of GRB photons | 1053 erg |
 :
total GRB duration |
10 s |
 :
variability timescale |
0.01 s |
| γinj: Lorentz factor of injection | 10 |
| η: particle acceleration efficiency | 4 × 10-5 |
ξesc:
 ,
ratio of escape to acceleration rates |
0.25 and 0.1 |
| ϵB: fraction of energy in B | 0.1 |
| Γ: bulk Lorentz factor | 100; 300 |
| Le: comoving power injected in electrons | ~4 × 1044erg/s; ~1043 erg/s |
| Lp: comoving power injected in protons | ~3 × 1043erg/s; ~5 × 1045 erg/s |
| ΔEe: total energy in electrons (Eqs. (20)–(22)) | ~2 × 1047 erg; ~1047 erg |
| ΔEp: total energy in protons (Eqs. (20)–(22)) | ~3 × 1046 erg; ~1049 erg |
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