Multijet production at low x_Bj in deep inelastic scattering at HERA

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• 作者：S. Chekanov ; M. Derrick ; S. Magill ; B. Musgrave ; D. Nicholass ; J. Repond ; R. Yoshida ; M.C.K. Mattingly ; M. Jechow ; N. Pavel ; A.G. Yagü ; es Molina ; S. Antonelli ; P. Antonioli ; G. Bari ; M. Basile ; L.
• 关键词：Supersymmetry ; Gauging ; Isometry ; Superfield
• 刊名：Nuclear Physics B
• 出版年：2007
• 期刊代码：45_05503213
• 类别：ph
• 出版时间：10 December 2007
• 卷：786
• 期：1-2
• 页码：152-180
• 文件大小：3351 K

摘要

Inclusive dijet and trijet production in deep inelastic ep scattering has been measured for ration:none; color:black" href="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml127&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=2344bb6ada12204f87bc4a6b835cbb0e" title="Click to view the MathML source">10<Q²<100 GeV² and low Bjorken x, ration:none; color:black" href="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml128&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=053bbd852c837859d7d16fa04046da2d" title="Click to view the MathML source">10⁻⁴<x_Bj<10⁻². The data were taken at the HERA ep collider with centre-of-mass energy ref="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml129&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=e65c4dcb565016a9ec9285192f06067d">rc="http://www.sciencedirect.com/cache/MiamiImageURL/B6TVC-4NXHC95-2-95/0?wchp=dGLbVtz-zSkzV" alt="Click to view the MathML source" align="absbottom" border="0" height=17 width=99> using the ZEUS detector and correspond to an integrated luminosity of ration:none; color:black" href="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml130&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=a665c238653fcd07aa43162a0ffd25d8" title="Click to view the MathML source">82 pb⁻¹. Jets were identified in the hadronic centre-of-mass (HCM) frame using the ration:none; color:black" href="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml131&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=d79719393700947671a32de10d43ac77" title="Click to view the MathML source">k_T cluster algorithm in the longitudinally invariant inclusive mode. Measurements of dijet and trijet differential cross sections are presented as functions of ration:none; color:black" href="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml132&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=c8a17b4567ab2e70298cbf38d2d8a60f" title="Click to view the MathML source">Q², ration:none; color:black" href="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml133&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=66554ec08acc129723f7724a47a74928" title="Click to view the MathML source">x_Bj, jet transverse energy, and jet pseudorapidity. As a further examination of low-ration:none; color:black" href="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml134&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=27bf5ed8dc364153f78ada5920ec8191" title="Click to view the MathML source">x_Bj dynamics, multi-differential cross sections as functions of the jet correlations in transverse momenta, azimuthal angles, and pseudorapidity are also presented. Calculations at ref="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml135&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=dcc2c78a6ad61a96fb9eb2bbfd3a2730">rc="http://www.sciencedirect.com/cache/MiamiImageURL/B6TVC-4NXHC95-2-V/0?wchp=dGLbVtz-zSkzV" alt="Click to view the MathML source" align="absbottom" border="0" height=19 width=42> generally describe the trijet data well and improve the description of the dijet data compared to the calculation at ref="/science?_ob=MathURL&_method=retrieve&_udi=B6TVC-4NXHC95-2&_mathId=mml136&_user=10&_cdi=5531&_rdoc=9&_acct=C000050221&_version=1&_userid=10&md5=11874387572318da409efd70dbe5f4e1">rc="http://www.sciencedirect.com/cache/MiamiImageURL/B6TVC-4NXHC95-2-17/0?wchp=dGLbVtz-zSkzV" alt="Click to view the MathML source" align="absbottom" border="0" height=19 width=42>.