weak hypercharge http://en.wikipedia.org/wiki/Weak_hypercharge weak hypercharge English Weak hypercharge English English English [بالإنجليزية] http://en.wikipedia.org/wiki/Weak_hypercharge weak hypercharge usual convention http://en.wikipedia.org/wiki/Weak_hypercharge weak hypercharge weak hypercharge weak hypercharge English http://en.wikipedia.org/wiki/Weak_hypercharge English English English English https://en.wikipedia.org/wiki/Weak_hypercharge weak hypercharge English English http://en.wikipedia.org/wiki/Weak_hypercharge