Multipole W boson ρ meson K ∗ meson |Q| [ e ] 1 1 1 | ⃗ µ | [ e/ 2 M$_{V}$ ] 2 . 0 2 − 0 . 0091 2 − 0 . 0047 | X$_{E}$ | [ e/M 2 $_{V}$] 1 − 4 . 23 × 10 − 7 1 − 0 . 0387 1 − 0 . 097 TABLE I: W gauge boson, and ρ and K ∗ mesons multipoles including the correction due to its finite width. GLYPH<s48>GLYPH<s46>GLYPH<s48>GLYPH<s48> GLYPH<s48>GLYPH<s46>GLYPH<s48>GLYPH<s51> GLYPH<s48>GLYPH<s46>GLYPH<s48>GLYPH<s54> GLYPH<s48>GLYPH<s46>GLYPH<s48>GLYPH<s57> GLYPH<s48>GLYPH<s46>GLYPH<s49>GLYPH<s50> GLYPH<s48>GLYPH<s46>GLYPH<s49>GLYPH<s53> GLYPH<s50>GLYPH<s46>GLYPH<s48> GLYPH<s50>GLYPH<s46>GLYPH<s50> GLYPH<s50>GLYPH<s46>GLYPH<s52> GLYPH<s50>GLYPH<s46>GLYPH<s54> GLYPH<s32> GLYPH<s91>GLYPH<s101>GLYPH<s47>GLYPH<s50>GLYPH<s109> GLYPH<s93> GLYPH<s109> GLYPH<s50> GLYPH<s32>GLYPH<s91> GLYPH<s71>GLYPH<s101>GLYPH<s86> GLYPH<s50> GLYPH<s93> FIG. 1: Comparison of the ρ meson MDM as obtained from different approaches. This work (solid line), ref. [1] (square), ref. [2] (triangle up), ref. [3] (triangle down), ref. [4] (circle), ref [5] (diamond) and ref. [6] (square with error bars). (defined for κ =1 and λ = 0), which can be compared, for example, with the one computed in reference [21], where they observe a correction of 0 . 06 fm , due to the inclusion of the pion contribution respect to a pure quark- antiquark state. For K ∗ the deviation is − 0 . 0005 fm . 9