ElasticSearch boost/not_analyzed problem

not_analyzed.sh

curl -XDELETE 'http://localhost:9200/myindex'

curl -XPOST 'http://localhost:9200/myindex'

curl -XPOST 'http://localhost:9200/_refresh'

curl -XPUT 'http://localhost:9200/myindex/author/_mapping' -d '{
  "author": {
    "properties": {
      "id": {
        "type": "long"
      },
      "boostFactor": {
        "type": "float",
        "null_value": 1.0
      },
      "name": {
        "type": "string",
        "index": "not_analyzed"
      },
      "countryOfBirth": {
        "type": "string"
      }
    }
  }
}'

curl -XPUT 'http://localhost:9200/myindex/author/1' -d '{
  "id": 1,
  "boostFactor": 0.22,
  "name": "SewaldKruse",
  "countryOfBirth": "Deutschland"
}'

curl -XPUT 'http://localhost:9200/myindex/author/2' -d '{
  "id": 2,
  "boostFactor": 0.61,
  "name": "SergioHerold",
  "countryOfBirth": "Peru"
}'

curl -XPUT 'http://localhost:9200/myindex/author/3' -d '{
  "id": 3,
  "boostFactor": 0.07,
  "name": "GudrunWeil",
  "countryOfBirth": "Serbien"
}'

curl -XPOST 'http://localhost:9200/_refresh'

echo 
echo 
echo QUERY_STRING
curl -XGET 'http://localhost:9200/myindex/author/_search?pretty=true' -d '{
  "query": {
    "query_string": {
      "query": "name:(se*)^20 se*"
    }
  }
}'

echo
echo
echo MAPPING :
curl -XGET 'http://localhost:9200/myindex/author/_mapping?pretty=true'