<reference name="content">
<block type="catalogsearch/result" name="search.result" template="catalogsearch/result.phtml">
<block type="catalog/product_list" name="search_result_list" template="catalog/product/list.phtml">
<action method="setColumnCount"><count>4</count></action>
</block>
<action method="setListOrders"/>
<action method="setListModes"/>
<action method="setListCollection"/>
</block>
</reference>