SEARCH FOR LEPTOQUARKS WITH THE ZEUS DETECTOR

A search for any resonant state coupled to an electron and a proton constituent has been performed using collisions of electron and proton beams at HERA. In a sample with integrated luminosity of 26 nb-1, no evidence has been found for production of leptoquarks with decays to e- + jet or ν + jet. Li...

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Main Authors: Derrick, M, Krakauer, D, Magill, S, Musgrave, B, Repond, J, Repond, S, Stanek, R, Talaga, R, Thron, J, Arzarello, F, Ayad, R, Bari, G, Basile, M, Bellagamba, L, Boscherini, D, Bruni, A, Bruni, G, Bruni, P, Romeo, G, Castellini, G, Chiarini, M, Cifarelli, L, Cindolo, F, Ciralli, F, Contin, A
Format: Journal article
Language:English
Published: 1993
_version_ 1797093039417589760
author Derrick, M
Krakauer, D
Magill, S
Musgrave, B
Repond, J
Repond, S
Stanek, R
Talaga, R
Thron, J
Arzarello, F
Ayad, R
Bari, G
Basile, M
Bellagamba, L
Boscherini, D
Bruni, A
Bruni, G
Bruni, P
Romeo, G
Castellini, G
Chiarini, M
Cifarelli, L
Cindolo, F
Ciralli, F
Contin, A
author_facet Derrick, M
Krakauer, D
Magill, S
Musgrave, B
Repond, J
Repond, S
Stanek, R
Talaga, R
Thron, J
Arzarello, F
Ayad, R
Bari, G
Basile, M
Bellagamba, L
Boscherini, D
Bruni, A
Bruni, G
Bruni, P
Romeo, G
Castellini, G
Chiarini, M
Cifarelli, L
Cindolo, F
Ciralli, F
Contin, A
author_sort Derrick, M
collection OXFORD
description A search for any resonant state coupled to an electron and a proton constituent has been performed using collisions of electron and proton beams at HERA. In a sample with integrated luminosity of 26 nb-1, no evidence has been found for production of leptoquarks with decays to e- + jet or ν + jet. Limits on the coupling strength of scalar leptoquarks to electron and quark have been determined for masses above 25 GeV. For example, scalar isosinglet leptoquarks (S0) with electroweak coupling strength to (e-u) states are ruled out at the 95% confidence level for masses below 168 GeV for left-handed couplings and below 176 GeV for right-handed couplings.
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spelling oxford-uuid:c271b203-69ba-48a4-97f2-8e78356e36132022-03-27T06:09:02ZSEARCH FOR LEPTOQUARKS WITH THE ZEUS DETECTORJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:c271b203-69ba-48a4-97f2-8e78356e3613EnglishSymplectic Elements at Oxford1993Derrick, MKrakauer, DMagill, SMusgrave, BRepond, JRepond, SStanek, RTalaga, RThron, JArzarello, FAyad, RBari, GBasile, MBellagamba, LBoscherini, DBruni, ABruni, GBruni, PRomeo, GCastellini, GChiarini, MCifarelli, LCindolo, FCiralli, FContin, AA search for any resonant state coupled to an electron and a proton constituent has been performed using collisions of electron and proton beams at HERA. In a sample with integrated luminosity of 26 nb-1, no evidence has been found for production of leptoquarks with decays to e- + jet or ν + jet. Limits on the coupling strength of scalar leptoquarks to electron and quark have been determined for masses above 25 GeV. For example, scalar isosinglet leptoquarks (S0) with electroweak coupling strength to (e-u) states are ruled out at the 95% confidence level for masses below 168 GeV for left-handed couplings and below 176 GeV for right-handed couplings.
spellingShingle Derrick, M
Krakauer, D
Magill, S
Musgrave, B
Repond, J
Repond, S
Stanek, R
Talaga, R
Thron, J
Arzarello, F
Ayad, R
Bari, G
Basile, M
Bellagamba, L
Boscherini, D
Bruni, A
Bruni, G
Bruni, P
Romeo, G
Castellini, G
Chiarini, M
Cifarelli, L
Cindolo, F
Ciralli, F
Contin, A
SEARCH FOR LEPTOQUARKS WITH THE ZEUS DETECTOR
title SEARCH FOR LEPTOQUARKS WITH THE ZEUS DETECTOR
title_full SEARCH FOR LEPTOQUARKS WITH THE ZEUS DETECTOR
title_fullStr SEARCH FOR LEPTOQUARKS WITH THE ZEUS DETECTOR
title_full_unstemmed SEARCH FOR LEPTOQUARKS WITH THE ZEUS DETECTOR
title_short SEARCH FOR LEPTOQUARKS WITH THE ZEUS DETECTOR
title_sort search for leptoquarks with the zeus detector
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