Photoproduction of events with rapidity gaps between jets at HERA
Photoproduction of events with rapidity gaps between jets at HERA
复制标题
HERA 喷气机之间速度差距事件的照片制作
DOI:
10.1140/epjc/s10052-007-0241-7
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发表时间:
2007
期刊:
影响因子:
--
通讯作者:
Chekanov S
中科院分区:
文献类型:
--
作者:
Chekanov S
The photoproduction of dijet events, where the two jets with the highest transverse energy are separated by a large gap in pseudorapidity, have been studied with the ZEUS detector using an integrated luminosity of 39 pb−1. Rapiditygap events are defined in terms of the energy flow between the jets, such that the total summed transverse energy in this region is less than some value E^CUT T. The data show a clear excess over the predictions of standard photoproduction models. This is interpreted as evidence for a strongly interacting exchange of a color-singlet object. Monte Carlo models which include such a color-singlet exchange are able to describe the data.
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