APEX: A Prime EXperiment at Jefferson Lab

APEX is an experiment at Thomas Jefferson National Accelerator Facility (JLab) in Virginia, USA, that searches for a new gauge boson (A′) with sub-GeV mass and coupling to ordinary matter of g′ ∼ (10−6 − 10−2)e. Electrons impinge upon a fixed target of high-Z material. An A′ is produced via a proces...

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Main Author: Beacham James
Format: Article
Language:English
Published: EDP Sciences 2014-06-01
Series:EPJ Web of Conferences
Online Access:http://dx.doi.org/10.1051/epjconf/20147307011
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author Beacham James
author_facet Beacham James
author_sort Beacham James
collection DOAJ
description APEX is an experiment at Thomas Jefferson National Accelerator Facility (JLab) in Virginia, USA, that searches for a new gauge boson (A′) with sub-GeV mass and coupling to ordinary matter of g′ ∼ (10−6 − 10−2)e. Electrons impinge upon a fixed target of high-Z material. An A′ is produced via a process analogous to photon bremsstrahlung, decaying to an e+e− pair. A test run was held in July of 2010, covering mA′ = 175 to 250 MeV and couplings g′/e > 10−3. A full run is approved and will cover mA′ ∼65 to 525 MeV and g′/e > 2.3 × 10−4.
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spelling doaj.art-9a88748c1cd34ea7b9fb01eeb6ab194b2022-12-21T19:30:56ZengEDP SciencesEPJ Web of Conferences2100-014X2014-06-01730701110.1051/epjconf/20147307011epjconf_menu2013_07011APEX: A Prime EXperiment at Jefferson LabBeacham JamesAPEX is an experiment at Thomas Jefferson National Accelerator Facility (JLab) in Virginia, USA, that searches for a new gauge boson (A′) with sub-GeV mass and coupling to ordinary matter of g′ ∼ (10−6 − 10−2)e. Electrons impinge upon a fixed target of high-Z material. An A′ is produced via a process analogous to photon bremsstrahlung, decaying to an e+e− pair. A test run was held in July of 2010, covering mA′ = 175 to 250 MeV and couplings g′/e > 10−3. A full run is approved and will cover mA′ ∼65 to 525 MeV and g′/e > 2.3 × 10−4.http://dx.doi.org/10.1051/epjconf/20147307011
spellingShingle Beacham James
APEX: A Prime EXperiment at Jefferson Lab
EPJ Web of Conferences
title APEX: A Prime EXperiment at Jefferson Lab
title_full APEX: A Prime EXperiment at Jefferson Lab
title_fullStr APEX: A Prime EXperiment at Jefferson Lab
title_full_unstemmed APEX: A Prime EXperiment at Jefferson Lab
title_short APEX: A Prime EXperiment at Jefferson Lab
title_sort apex a prime experiment at jefferson lab
url http://dx.doi.org/10.1051/epjconf/20147307011
work_keys_str_mv AT beachamjames apexaprimeexperimentatjeffersonlab