Results are reported from a search for supersymmetry with gauge-mediated supersymmetry breaking in electroweak production. Final states with photons and large missing transverse energy (MET) were examined. The data sample was collected in pp collisions at sqrt(s) = 8 TeV with the CMS detector at the LHC and corresponds to 7.4 inverse femtobarns. The analysis focuses on scenarios in which the lightest neutralino has bino- or wino-like components, resulting in decays to photons and gravitinos, where the gravitinos escape undetected. The data were obtained using a specially designed trigger with dedicated low thresholds, providing good sensitivity to signatures with photons, MET, and low hadronic energy. No excess of events over the standard model expectation is observed. The results are interpreted using the model of general gauge mediation. With the wino mass fixed at 10 GeV above that of the bino, wino masses below 710 GeV are excluded at 95% confidence level. Constraints are also set in the context of two simplified models, for which the analysis sets the lowest cross section limits on the electroweak production of supersymmetric particles.
Search for supersymmetry with jets, missing transverse momentum and at least one hadronically decaying tau lepton in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector
Search for supersymmetry with a photon, a lepton, and missing transverse momentum in pp collisions at sqrt(s) = 8 TeV
CMS实验已经完成了对涉及至少有一个光子、一个电子或μ子以及大的缺失横动量的事件的超对称性的搜索。该数据样本对应于欧洲核子研究中心大型强子对撞机产生的sqrt（s）= 8 TeV pp碰撞的19.7逆毫微微电子能的积分亮度。未观察到超出标准模型过程预期的事件。搜索的结果被解释在规范介导的超对称性破缺的一般模型的上下文中，其中带电和中性winos是次轻的超对称粒子。在这个模型中，质量高达360 GeV的winos被排除在95%的置信水平之外。规范介导的超对称性破缺的启发两个简化模型也检查，并用于获得特定的超对称过程的生产截面的上限。
Search for supersymmetry in final states with jets, missing transverse momentum and one isolated lepton in sqrt{s} = 7 TeV pp collisions using 1 fb-1 of ATLAS data
Search for supersymmetry in final states with missing transverse energy and 0, 1, 2, or at least 3 b-quark jets in 7 TeV pp collisions using the variable alphaT
Search for supersymmetry in final states with a single lepton, b-quark jets, and missing transverse energy in proton-proton collisions at sqrt(s) = 7 TeV
Search for Supersymmetry in Events with Large Missing Transverse Momentum, Jets, and at Least One Tau Lepton in 7 TeV Proton-Proton Collision Data with the ATLAS Detector
Sparticle Spectroscopy and Electroweak Symmetry Breaking with Gauge-Mediated Supersymmetry Breaking
介绍了规范介导的超对称破缺现象。对极小模型进行了重整化群分析，其中施加了辐射电弱对称性破缺的约束。由此产生的超伴子和希格斯玻色子的光谱是高度相关的，只依赖于几个参数。超伙伴质量比和总和规则确定，可以在未来的对撞机进行测试。其中一些关系在数学上对信使尺度敏感，而另一些关系则允许规范调解与其他传输超对称性破缺的方案区分开来。偏离极小模型，例如较大的信使表示和对希格斯扇区质量的额外贡献，在某些情况下可以显着修改低能谱。这些修正包括用一个斯莱普顿或希格斯诺作为最轻的标准模型超伴子，或者标量和高吉诺之间的奇异质量关系。对$b \to s γ$的贡献和由此产生的超伙伴质量上的束缚也为极小模型。最后，独特的对撞机签名的重带电粒子的生产，或衰变到Goldstino内的检测器进行了讨论。
Further search for supersymmetry at sqrt(s) = 7 TeV in final states with jets, missing transverse momentum and isolated leptons with the ATLAS detector
Search for Susy with Missing Transverse Energy and Jets at CDF
事件的签名涉及大失踪的横向能量（MET）是典型的R-宇称守恒超对称性的搜索模式。CDF最近进行了两次使用MET和喷流的超对称性分析。MET和单喷流签名被用来确定过程独立的限制，为生产新的物理超越标准模型，然后应用到模型的自发破缺的超对称性，以确定限制的超对称性破缺参数和引力子质量。在超对称模型的框架内直接搜索标量顶夸克和标量底夸克，使用MET和两个重味喷流的签名。由于发现数据与标准模型预期一致，因此在质量平面$m (\tildeχ_{1}^{0}) - m (\tilde{t}_{1})$和$m (\tildeχ_{1}^{0}) - m (\tilde{b}_{1})$中确定限值。
Search for supersymmetry in a final state containing two photons and missing transverse momentum in $\sqrt{s}$ = 13 TeV $pp$ collisions at the LHC using the ATLAS detector
Searches for supersymmetry with the ATLAS detector using final states with two leptons and missing transverse momentum in sqrt(s) = 7 TeV proton-proton collisions
Search for supersymmetry in events with photons, bottom quarks, and missing transverse momentum in proton-proton collisions at a centre-of-mass energy of 7 TeV with the ATLAS detector
Search for direct production of electroweakinos in final states with one lepton, missing transverse momentum and a Higgs boson decaying into two $b$-jets in $pp$ collisions at $\sqrt{s}=13$ TeV with the ATLAS detector
本文给出了电弱伴子对产生$pp \rightarrow \tildeχ^\pm_1 \tildeχ^0_2$的研究结果，其中电荷伴子（$\tildeχ^\pm_1$）衰变为$W$玻色子和最轻的中性伴子（$\tildeχ^0_1$），而较重的中性伴子（$\tildeχ^0_2$）衰变为标准模型125 GeV的希格斯玻色子和第二个$\tildeχ^0_1$。信号的选择需要一对带有$b$标记的喷流，这些喷流与来自希格斯玻色子玻色子衰变的喷流一致，并且需要来自$W$玻色子衰变的电子或μ子，以及来自相应中微子和稳定中性伴子的缺失的横向动量。分析是基于相应的数据139 $\mathrm{fb}^{-1}$的$\sqrt{s}=13$ TeV $pp$碰撞提供的大型强子对撞机和记录的ATLAS探测器。没有统计学上的显着证据的事件超过标准模型expectations. Limits设置在简化模型中的直接生产的电弱子，假设纯维诺横截面。对于无质量的$\tildeχ^{0}_{1}$，在95%置信水平下排除高达740 GeV的$\tildeχ^{\pm}_{1}/\tildeχ^{0}_{2}$质量。
Uncertainty in Electroweak Symmetry Breaking in Models With High Scale Supersymmetry Breaking and its Impact on Interpretations of Searches For Supersymmetric Particles
Search for supersymmetry in hadronic final states with missing transverse energy using the variables AlphaT and b-quark multiplicity in pp collisions at 8 TeV
Search for stealth supersymmetry in final states with two photons, jets, and low missing transverse momentum in proton-proton collisions at $\sqrt{s}$ = 13 TeV
Search for supersymmetry in final states with two oppositely charged same-flavor leptons and missing transverse momentum in proton-proton collisions at $\sqrt{s} =$ 13 TeV
Search for supersymmetry in final states with missing transverse momentum and multiple $b$-jets in proton-proton collisions at $\sqrt{s} = 13$ TeV with the ATLAS detector
Search for supersymmetry in events with large missing transverse momentum, jets, and at least one tau lepton in 20 fb$^{-1}$ of $\sqrt{s}$=8 TeV proton-proton collision data with the ATLAS detector
Search for supersymmetry in events with at least one photon, missing transverse momentum, and large transverse event activity in proton-proton collisions at sqrt(s) = 13 TeV
