We Reanalyze the Low-Energy Cross Section Measurements of Engstler Et Al. Using Recentlymeasured Energy Loss Data For Proton and Deuteron Beams In a Helium Gas.Although the New Astrophysical S-Factors Are Significantly Lower Than Thosereported By Engstler Et Al., They Clearly Show the Presence of Electronscreening Effects. from the New Astrophysical S-Factors We Find an Electronscreening Energy In Agreement With the Adiabatic Limit.