English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Tools annual

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

We discuss the degree of spin polarization of single top quarks produced via$Wg$ fusion process in $ep$ collision at TESLA+HERAp and CLIC+LHC energies$\sqrt{s}=1.6$ and 5.3 TeV. For $eb \to t \bar{\nu}$ subprocess we show thatthe top quark spin is completely polarized when the spin basis is chosen in thedirection of the incoming positron beam in the rest frame of top quark. Adescription on how to combine the cross sections of $e^{+}b\to t\bar{\nu}$ and$e^{+}g\to t\bar{b}\bar{\nu}$ processes is given. $e^{+}$-beam direction istaken to be the favorite top quark spin decomposition axis in its rest frameand it is found to be comparable with the ones in $pp$ collision. It is arguedthat theoretical simplicity and experimental clearness are the advantage of$ep$ collision.Comment: Revised version of Phys. Rev. D69 (2004)03401

Top quark spin inepcollision