QMN0 process generating the archives

 Hi Team,

I am facing  archive issue on production database.When i track the information,found QMN0 process generating archives . Below is the information :

system@ETPSP1> SELECT s.sid, s.username, s.program, i.block_changes
  2  FROM v$session s, v$sess_io i
  3  WHERE i.block_changes!=0 and s.sid = i.sid
  4  ORDER BY 4 desc, 1, 2, 3;

       SID USERNAME     PROGRAM                    BLOCK_CHANGES
---------- ----------- --------------             -----------------------
         9             oracle@tsp51 (QMN0)           19017267
         6             oracle@tsp51 (SMON)            2384756
        33 TBEBZ                                        41214
        47             oracle@tsp51 (CJQ0)              25126
        38 TBEBZ                                        22973
        35 TBEBZ                                          371
        41 DBSNMP      emagent@tsp51 (TNS V1-V3)          117
         1             oracle@tsp51 (PMON)                 19
        46 TBEBZ                                           18
        42 TBEBZ                                           10
        39 SYSTEM      sqlplus.exe                          4

11 rows selected.

system@ETPSP1> select sql_text from v$sql where HASH_VALUE=&HASH_VALUE;