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We discuss a gauged $U(1)_R$ supergravity on five-dimensional (5D) orbifold($S^1/Z_2$) in which both a $Z_2$-even U(1) gauge field and the $Z_2$-oddgraviphoton take part in the $U(1)_R$ gauging. Based on the off-shellformulation of 5D supergravity, we analyze the structure of Fayet-Iliopoulos(FI) terms allowed in such model. Introducing a $Z_2$-even $U(1)_R$ gauge fieldaccompanies new bulk and boundary FI terms in addition to the known integrableboundary FI term which could be present in the absence of any gauged $U(1)_R$symmetry. Some physical consequences of these new FI terms are examined.Comment: 1+17 pages, 9 figures, typeset in JHEP styl

Gauged U(1)R Symmetries and Fayet-Iliopoulos Terms in 5D Orbifold Supergravity

Gauged U(1)_R Symmetries and Fayet-Iliopoulos Terms in 5D Orbifold Supergravity