Search for single-top production in ep collisions at HERA
- Abramowicz, H.
- Abt, I.
- Adamczyk, L.
- Adamus, M.
- Aggarwal, R.
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- Wing, M.
- Wlasenko, M.
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- Wolfe, H.
- Wrona, K.
- Yagues-Molina, A.G.
- Yamada, S.
- Yamazaki, Y.
- Yoshida, R.
- Youngman, C.
- Zarnecki, A.F.
- Zawiejski, L.
- Zenaiev, O.
- Zeuner, W.
- Zhautykov, B.O.
- Zhmak, N.
- Zhou, C.
- Zichichi, A.
- Zolkapli, Z.
- Zolko, M.
- Zotkin, D.S.
DOIAbstract
A search for single-top production, $ep \rightarrow etX$, has been performed with the ZEUS detector at HERA using data corresponding to an integrated luminosity of $0.37\fbi$. No evidence for top production was found, consistent with the expectation from the Standard Model. Limits were computed for single-top production via flavour changing neutral current transitions. The result was combined with a previous ZEUS result yielding a total luminosity of 0.50fb-1. A 95% credibility level upper limit of 0.13 pb was obtained for the cross section at the centre-of-mass energy of $\sqrt{s}=315\gev$.A search for single-top production, $ep \rightarrow etX$, has been performed with the ZEUS detector at HERA using data corresponding to an integrated lu...
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