Flop nut low and someone keeps jamming the pot. Given that people will so often jam with a one-way hand at this level, can I do anything other than call him down? Do I fold the nut low because I don't have any high?

Hand #44176546-626 at Gattman (Pot Limit Omaha 8/b)
Started at 07/Jul/07 13:18:16

Snipers35 is at seat 0 with $17.97.
duece8dew is at seat 1 with $1.44.
cusecav is at seat 2 with $3.
MissHumble is at seat 3 with $28.62.
brian6876 is at seat 4 with $9.12.
River City is at seat 5 with $1.30.
bigoak36 is at seat 6 with $16.88 (sitting out).
MrMeg is at seat 7 with $7.74.
flunchy is at seat 8 with $11.66.
stickdude is at seat 9 with $10.
The button is at seat 0.

duece8dew posts the small blind of $.05.
cusecav posts the big blind of $.10.
stickdude posts out of turn for $.10.

Snipers35: -- -- -- --
duece8dew: -- -- -- --
cusecav: -- -- -- --
MissHumble: -- -- -- --
brian6876: -- -- -- --
River City: -- -- -- --
MrMeg: -- -- -- --
flunchy: -- -- -- --
stickdude:

Pre-flop:

MissHumble calls. brian6876 calls. River City
folds. MrMeg folds. flunchy folds. stickdude
checks. Snipers35 folds. duece8dew calls. cusecav
checks.

Flop (board: ):

duece8dew checks. cusecav checks. MissHumble
checks. brian6876 bets $.50. stickdude calls.
duece8dew calls. cusecav folds. MissHumble folds.


Turn (board: ):

duece8dew checks. brian6876 bets $2. stickdude
calls. duece8dew folds.

River (board: ):

brian6876 bets $6. stickdude calls.


In this hand, he was jamming the nut low and outkicked my Ace for the high.