Here is the 51-to-50 vote by which the Senate yesterday rejected a deep cut in the budget for President Reagan's Strategic Defense Initiative program.

The senators split 50 to 50; Vice President Bush, as president of the Senate, broke the tie, supporting SDI.

In this vote, a vote for was in support of the program, and a vote against was in favor of the cut. Democrats For:

Bentsen (Tex.), Bingaman (N.M.), Boren (Okla.), Byrd (W.Va.), Exon (Neb.), Glenn (Ohio), Graham (Fla.), Heflin (Ala.), Hollings (S.C.), Nunn (Ga.), Reid (Nev.), Shelby (Ala.), Stennis (Miss.). Republicans For:

Armstrong (Colo.), Bond (Mo.), Boschwitz (Minn.), Cochran (Miss.), Cohen (Maine), D'Amato (N.Y.), Danforth (Mo.), Dole (Kan.), Domenici (N.M.), Garn (Utah), Gramm (Tex.), Hatch (Utah), Hecht (Nev.), Helms (N.C.), Humphrey (N.H.), Karnes (Neb.), Kassebaum (Kan.), Kasten (Wis.), Lugar (Ind.), McCain (Ariz.), McClure (Idaho), McConnell (Ky.), Murkowski (Alaska), Nickles (Okla.), Packwood (Ore.), Pressler (S.D.), Quayle (Ind.), Roth (Del.), Rudman (N.H.), Simpson (Wyo.), Stevens (Alaska), Symms (Idaho), Thurmond (S.C.), Trible (Va.), Wallop (Wyo), Warner (Va.), Wilson (Calif.). Democrats Against:

Adams (Wash.), Baucus (Mont.), Biden (Del.), Bradley (N.J.), Breaux (La.), Bumpers (Ark.), Burdick (N.D.), Chiles (Fla.), Conrad (N.D.), Cranston (Calif.), Daschle (S.D.), DeConcini (Ariz.), Dixon (Ill.), Dodd (Conn.), Ford (Ky.), Fowler (Ga.), Gore (Tenn.), Harkin (Iowa), Inouye (Hawaii), Johnston (La.), Kennedy (Mass.), Kerry (Mass.), Lautenberg (N.J.), Leahy (Vt.), Levin (Mich.), Matsunaga (Hawaii), Melcher (Mont.), Metzenbaum (Ohio), Mikulski (Md.), Mitchell (Maine), Moynihan (N.Y.), Pell (R.I.), Proxmire (Wis.), Pryor (Ark.), Riegle (Mich.), Rockefeller (W.Va.), Sanford (N.C.), Sarbanes (Md.), Sasser (Tenn.), Simon (Ill.), Wirth (Colo.). Republicans Against:

Chafee (R.I.), Durenberger (Minn.), Evans (Wash), Grassley (Iowa), Hatfield (Ore.), Heinz (Pa.), Specter (Pa.), Stafford (Vt.), Weicker (Conn.).