论文标题
在大型强子电子对撞机上的深度无弹性$ ep $中的双重诱人的巴里昂的生产
The production of the doubly charmed baryon in deeply inelastic $ep$ scattering at the Large Hadron Electron Collider
论文作者
论文摘要
在本文中，我们对在[2，100]〜\ textrm {gev}^2 $ in In [2，100]〜\ textrm {gev}^2 $中的$ q^2 \ in [2，100]〜$ q^2 $中的双重迷人巴属（DIS）进行的详细研究进行了研究。为了排除衍射生产和$ b $强体衰变的贡献，我们强加了$ 0.3 <z <0.9 $，$ p_ {t，\ textrm {baryon}}^{\ star2}> 1〜 \ textrm {gev}^gev}^2 $ $ n in the Center-CMASS（$）基于设计的LHEC亮度，通过检测衰减通道$ξ^{+} _ {cc}（ξ^{++} _ {cc}）\toλ_c^{+} $与后续衰减$λ_c^{+λ_c^{+} {+pk^{+pk^{+} （2700）$ξ^{+} _ {cc} $事件和3750（5400）$ξ^{++} _ {cc} $事件每年可以累积，这表示通过即将到来的LHEC观察它们的前景。此外，我们还预测了实验室框架中各种各样的物理可观察物的分布以及$γ^{*} p $ cm框架，包括$ q^2 $，$ p_t^{2} $，$ y $（jupartity），$ p_t^{\ star2}}双重迷人的巴里昂。总之，我们认为，除了LHC外，LHEC还是研究双重迷人Baryon的性质的有用平台。
In this paper, we carry out a detailed study on the production of the doubly charmed baryon in deeply inelastic $ep$ scattering (DIS) for $Q^2\in[2, 100]~\textrm{GeV}^2$, at the Large Hadron Electron Collider (LHeC) with $E_e=60(140)$ GeV and $E_p=7000$ GeV. To exclude the contributions from the diffractive productions and the $b$ hadron decays, we impose the kinematic cuts $0.3<z<0.9$, and $p_{t,\textrm{baryon}}^{\star2}>1~\textrm{GeV}^2$ in the center-of-mass (CM) frame of $γ^{*}p$. Based on the designed LHeC luminosity, by detecting the decay channel $Ξ^{+}_{cc}(Ξ^{++}_{cc}) \to Λ_c^{+}$ with the subsequent decay $Λ_c^{+} \to pK^{-}π^{+}$, we predict that about 1880 (2700) $Ξ^{+}_{cc}$ events and 3750 (5400) $Ξ^{++}_{cc}$ events can be accumulated per year, which signifies the prospect of observing them via the DIS at the forthcoming LHeC. In addition, we also predict the distributions of a rich variety of physical observables in the laboratory frame and the $γ^{*}p$ CM frame, including $Q^2$, $p_t^{2}$, $Y$(rapidity), $p_t^{\star2}$, $Y^{\star}$, $W$, and $z$ distributions, respectively, which can provide helpful references for studying the doubly charmed baryon. In conclusion, we think that in addition to the LHC, the LHeC is also a helpful platform for studying the properties of the doubly charmed baryon.
