论文标题

在LHC上搜索独家$ pp \ to pp ϕ $和$ pp \ to pp ϕ $ reactions中的odderon Exchange

Searching for odderon exchange in exclusive $pp \to pp ϕ$ and $pp \to pp ϕϕ$ reactions at the LHC

论文作者

Lebiedowicz, Piotr, Nachtmann, Otto, Szczurek, Antoni

论文摘要

讨论了在识别Odderon Exchange时使用独家$ PP \ to pp ϕ $和$ pp \ $ pp \ $ pp \ $ pp \ $ pp \的可能性。到目前为止,还没有明确的实验证据证明Odderon,$ C = +1 $ Pomeron的电荷共轭$ C = -1 $。最近提出的用于软能反应的张量 - 托孔模型和载体 - 奥德龙模型。对于$ p p \ to p p ϕ $在高能量下的反应是光子 - 蛋白酶融合是主要过程,而odderon-pomeron融合是一种有趣的选择。添加Odderon Exchange可以大大改善WA102协作测量的质子 - 蛋白质角相关性的描述。通过Pomeron-Pomeron融合的$ p p \ to p p ϕ ϕ $过程是有利的,因为这里的odderon不会偶尔与质子。大型$ M_ {ϕ} $的观察和快速差$ y_ {ϕϕ} $似乎非常适合识别Odderon Exchange。与WA102实验的数据进行比较,并给出了LHC实验的预测。

The possibility to use the exclusive $pp \to pp ϕ$ and $pp \to pp ϕϕ$ reactions in identifying the odderon exchange is discussed. So far there is no unambiguous experimental evidence for the odderon, the charge conjugation $C = -1$ counterpart of the $C = +1$ pomeron. Recently proposed tensor-pomeron and vector-odderon model for soft high-energy reactions is applied. For the $p p \to p p ϕ$ reaction at high energies the photon-pomeron fusion is the dominant process and the odderon-pomeron fusion is an interesting alternative. Adding odderon exchange improves considerably description of the proton-proton angular correlations measured by the WA102 collaboration. The $p p \to p p ϕϕ$ process via pomeron-pomeron fusion is advantageous one as here the odderon does not couple to protons. The observation of large $M_{ϕϕ}$ and the rapidity difference $Y_{ϕϕ}$ seems well suited to identify odderon exchange. Comparisons with data from the WA102 experiment are made and predictions for LHC experiments are given.

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