Abstract
A
bstract
This paper presents a detailed description of a model-independent method for the direct measurement of the Υ(4
S
) →
B
+
B
−
and Υ(4
S
) →
$$ {B}^0{\overline{B}}^0 $$
B
0
B
¯
0
production fractions at
B
factories. The method is based on counting single- and double-inclusive charmed meson production at the Υ(4
S
) resonance, providing statistical tagging of
$$ {B}^0{\overline{B}}^0 $$
B
0
B
¯
0
and
B
+
B
−
events. A feasibility study indicates that a precision comparable to the current world average can be achieved without making any underlying assumptions, as the calculations rely solely on event yields.