Signals for virtual leptoquark exchange at HERA

M. A. Doncheski; J. L. Hewett

doi:10.1007/BF01555516

Signals for virtual leptoquark exchange at HERA

M. A. Doncheski
, J. L. Hewett

Institute for Theoretical Physics

Stony Brook University

University of Wisconsin-Madison

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

We study the effects of virtual leptoquarks on charged current and neutral current processes at the ep collider HERA. We present the areas of parameter space that can be excluded at HERA by searching for deviations from Standard Model expectations. The best results are obtained by examining the ratio of neutral current to charged current cross sections, R=σ_NC/σ_NC, where, with 200 pb^-1 of integrated luminosity for unpolarized e^- and e⁺ beams, HERA can search for leptoquarks with masses up to ∼800 GeV, with leptoquark coupling strengths of order α_em.

Original language	English
Pages (from-to)	209-214
Number of pages	6
Journal	European Physical Journal C
Volume	56
Issue number	2
DOIs	https://doi.org/10.1007/BF01555516
State	Published - Jun 1992

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title = "Signals for virtual leptoquark exchange at HERA",

abstract = "We study the effects of virtual leptoquarks on charged current and neutral current processes at the ep collider HERA. We present the areas of parameter space that can be excluded at HERA by searching for deviations from Standard Model expectations. The best results are obtained by examining the ratio of neutral current to charged current cross sections, R=σNC/σNC, where, with 200 pb-1 of integrated luminosity for unpolarized e- and e+ beams, HERA can search for leptoquarks with masses up to ∼800 GeV, with leptoquark coupling strengths of order αem.",

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year = "1992",

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AU - Hewett, J. L.

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N2 - We study the effects of virtual leptoquarks on charged current and neutral current processes at the ep collider HERA. We present the areas of parameter space that can be excluded at HERA by searching for deviations from Standard Model expectations. The best results are obtained by examining the ratio of neutral current to charged current cross sections, R=σNC/σNC, where, with 200 pb-1 of integrated luminosity for unpolarized e- and e+ beams, HERA can search for leptoquarks with masses up to ∼800 GeV, with leptoquark coupling strengths of order αem.

AB - We study the effects of virtual leptoquarks on charged current and neutral current processes at the ep collider HERA. We present the areas of parameter space that can be excluded at HERA by searching for deviations from Standard Model expectations. The best results are obtained by examining the ratio of neutral current to charged current cross sections, R=σNC/σNC, where, with 200 pb-1 of integrated luminosity for unpolarized e- and e+ beams, HERA can search for leptoquarks with masses up to ∼800 GeV, with leptoquark coupling strengths of order αem.

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DO - 10.1007/BF01555516

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VL - 56

SP - 209

EP - 214

JO - European Physical Journal C

JF - European Physical Journal C

IS - 2

ER -

Signals for virtual leptoquark exchange at HERA

Abstract

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