short answer: No long answer: You could with a custom request handler but it would be meaningless.
There are more details on this in the LUcene FAQ which has few pointers to past discussions on the lucene java mailing lists (there are many, MANY more discussions about this in the lucene archives as well) ... http://wiki.apache.org/jakarta-lucene/LuceneFAQ#head-912c1f237bb00259185353182948e5935f0c2f03 -Hoss
