Measurement of High- Q 2 Deep Inelastic Scattering Cross Sections with a Longitudinally Polarised Positron Beam at HERA

ZEUS Collaboration

doi:10.1016/j.physletb.2006.04.047

Measurement of High- Q ² Deep Inelastic Scattering Cross Sections with a Longitudinally Polarised Positron Beam at HERA

ZEUS Collaboration

Department of Physics

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

Abstract

The cross sections for charged and neutral current deep inelastic scattering in e + p collisions with a longitudinally polarised positron beam have been measured using the ZEUS detector at HERA. The results, based on data corresponding to an integrated luminosity of 23.8 pb -1 at sqrt(s) = 318 GeV, are given for both e + p charged current and neutral current deep inelastic scattering for both positive and negative values of the longitudinal polarisation of the positron beam. Single differential cross sections are presented for the kinematic region Q 2 > 200 GeV 2. The measured cross sections are compared to the predictions of the Standard Model. A fit to the data yields σ CC ( P e = - 1 ) = 7.4 ± 3.9 ( stat. ) ± 1.2 ( syst. ) pb, which is consistent within two standard deviations with the absence of right-handed charged currents in the Standard Model.

Original language	American English
Pages (from-to)	210-222
Journal	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume	637
Issue number	4-5
DOIs	https://doi.org/10.1016/j.physletb.2006.04.047
State	Published - Jun 15 2006

Disciplines

Physics

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Cite this

@article{6816d556a6bd456a9445dd6627140588,

title = "Measurement of High- Q 2 Deep Inelastic Scattering Cross Sections with a Longitudinally Polarised Positron Beam at HERA",

abstract = "The cross sections for charged and neutral current deep inelastic scattering in e + p collisions with a longitudinally polarised positron beam have been measured using the ZEUS detector at HERA. The results, based on data corresponding to an integrated luminosity of 23.8 pb -1 at sqrt(s) = 318 GeV, are given for both e + p charged current and neutral current deep inelastic scattering for both positive and negative values of the longitudinal polarisation of the positron beam. Single differential cross sections are presented for the kinematic region Q 2 > 200 GeV 2. The measured cross sections are compared to the predictions of the Standard Model. A fit to the data yields σ CC ( P e = - 1 ) = 7.4 ± 3.9 ( stat. ) ± 1.2 ( syst. ) pb, which is consistent within two standard deviations with the absence of right-handed charged currents in the Standard Model.",

author = "\{ZEUS Collaboration\} and Mattingly, \{Margarita C. K.\}",

year = "2006",

month = jun,

day = "15",

doi = "10.1016/j.physletb.2006.04.047",

language = "American English",

volume = "637",

pages = "210--222",

journal = "Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics",

number = "4-5",

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TY - JOUR

T1 - Measurement of High- Q 2 Deep Inelastic Scattering Cross Sections with a Longitudinally Polarised Positron Beam at HERA

AU - ZEUS Collaboration

AU - Mattingly, Margarita C. K.

PY - 2006/6/15

Y1 - 2006/6/15

N2 - The cross sections for charged and neutral current deep inelastic scattering in e + p collisions with a longitudinally polarised positron beam have been measured using the ZEUS detector at HERA. The results, based on data corresponding to an integrated luminosity of 23.8 pb -1 at sqrt(s) = 318 GeV, are given for both e + p charged current and neutral current deep inelastic scattering for both positive and negative values of the longitudinal polarisation of the positron beam. Single differential cross sections are presented for the kinematic region Q 2 > 200 GeV 2. The measured cross sections are compared to the predictions of the Standard Model. A fit to the data yields σ CC ( P e = - 1 ) = 7.4 ± 3.9 ( stat. ) ± 1.2 ( syst. ) pb, which is consistent within two standard deviations with the absence of right-handed charged currents in the Standard Model.

AB - The cross sections for charged and neutral current deep inelastic scattering in e + p collisions with a longitudinally polarised positron beam have been measured using the ZEUS detector at HERA. The results, based on data corresponding to an integrated luminosity of 23.8 pb -1 at sqrt(s) = 318 GeV, are given for both e + p charged current and neutral current deep inelastic scattering for both positive and negative values of the longitudinal polarisation of the positron beam. Single differential cross sections are presented for the kinematic region Q 2 > 200 GeV 2. The measured cross sections are compared to the predictions of the Standard Model. A fit to the data yields σ CC ( P e = - 1 ) = 7.4 ± 3.9 ( stat. ) ± 1.2 ( syst. ) pb, which is consistent within two standard deviations with the absence of right-handed charged currents in the Standard Model.

UR - https://digitalcommons.andrews.edu/pubs/2013

U2 - 10.1016/j.physletb.2006.04.047

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JO - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

JF - Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

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