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Joint Institute for Nuclear Research, Dubna, Russia.
Phys Rev Lett. 2003 Jun 27;90(25 Pt 1):251802. doi: 10.1103/PhysRevLett.90.251802. Epub 2003 Jun 24.
We present a search for large extra dimensions (ED) in pp collisions at a center-of-mass energy of 1.8 TeV using data collected by the DØ detector at the Fermilab Tevatron in 1994-1996. Data corresponding to 78.8+/-3.9 pb(-1) are examined for events with large missing transverse energy, one high-p(T) jet, and no isolated muons. There is no excess observed beyond expectation from the standard model, and we place lower limits on the fundamental Planck scale of 1.0 and 0.6 TeV for 2 and 7 ED, respectively.
我们利用费米实验室Tevatron的DØ探测器在1994 - 1996年收集的数据，对质心能量为1.8 TeV的质子 - 质子碰撞中的大额外维度（ED）进行了搜索。对对应于78.8±3.9 pb⁻¹的数据进行了检查，寻找具有大横向缺失能量、一个高横向动量（pₜ）喷注且无孤立μ子的事件。未观察到超出标准模型预期的过剩现象，我们分别对2维和7维的基本普朗克尺度设定了1.0 TeV和0.6 TeV的下限。
