Anomalous U(1)'s in type I string vacua
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Antoniadis, I.
Kiritsis, E.
Rizos, J.
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peer reviewed
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Nuclear Physics B
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We perform a systematic string computation of the masses of anomalous U(1) gauge bosons in four-dimensional orientifold vacua, and we study their localization properties in the internal (compactified) space. We find that N = I supersymmetric sectors yield four-dimensional contributions, localized in the whole six-dimensional internal space, while N = 2 sectors give contributions localized in four internal dimensions. As a result, the U(1) gauge fields can be much lighter than the string scale, so that when the latter is at the TeV, they can mediate new non-universal repulsive forces at sub-millimeter distances much stronger than gravity. We also point out that even U(1)'s which are free of four-dimensional anomalies may acquire non-zero masses as a consequence of six-dimensional anomalies. (C) 2002 Elsevier Science B.V. All rights reserved.
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dimensions, tev, compactifications, orientifolds, superstrings, d=4
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<Go to ISI>://000177578300003
http://ac.els-cdn.com/S0550321302004583/1-s2.0-S0550321302004583-main.pdf?_tid=ab5d3a90fbb7f2011f64529cd15d3267&acdnat=1334230681_8c81f4e826e0335a5d84c2d4f5f4e9d6
http://ac.els-cdn.com/S0550321302004583/1-s2.0-S0550321302004583-main.pdf?_tid=ab5d3a90fbb7f2011f64529cd15d3267&acdnat=1334230681_8c81f4e826e0335a5d84c2d4f5f4e9d6
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en
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Πανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών και Τεχνολογιών. Τμήμα Βιολογικών Εφαρμογών και Τεχνολογιών