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arXiv 1705.04880hep-phhep-ex
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衍射锥中的结构:高能质子-质子散射中的“断裂”和“凹陷”

Structures in the diffraction cone: the "break" and "dip" in high-energy proton-proton scattering

László Jenkovszky, István Szanyi

摘要:

预计TOTEM合作组即将发表\sqrt{s} =13和2.76 TeV的低t弹性散射数据,在此我们强调在指数衍射锥上看到的两个突出结构之间的相关性,即在t=-0.1 GeV^2附近保持固定的“断裂”和随能量向内运动的倾角;而在ISR中,两个结构之间的距离约为1~GeV^2,而在LHC中,倾角靠近“破裂”的边缘,从而影响了它的参数化。一个公正的解开和鉴定的断裂在大型强子对撞机应占这种相关性。

英文摘要:

Anticipating forthcoming publication by the TOTEM collaboration of low-t elastic scattering data at \sqrt{s}=13 and 2.76 TeV, hereby we emphasize the correlation between two prominent structures seen upon the otherwise exponential diffraction cone, namely a "break" staying fixed around t=-0.1 GeV^2 and a dip moving with energy logarithmically inwards; while at the ISR the two structures are separated by a distance of about 1~GeV^2, at the LHC the dip comes close to the periphery of the "break", thus affecting its parametrization. An unbiased disentangling and identification of the break at the LHC should account for this correlation.

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