Measurement of the W mass with the ATLAS detector
Troels C. Petersen
我们研究了改进ATLAS上W质量测量的可能性。考虑到大型强子对撞机预期的W和Z玻色子的高统计数据，我们估计每通道7 MeV的精度可以达到10 fb-1的数据。
We investigate the posibility of improving the W mass measurement at ATLAS. Given the high statistics of both W and Z bosons expected at the LHC, we estimate that a precision of 7 MeV per channel can be reached with 10 fb-1 of data.
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ATLAS Forward Detectors and Physics
在这篇文章中，我描述了ATLAS正向物理程序和探测器，LUCID，ZDC和ALFA已被设计来满足这一实验挑战。除了它们在确定ATLAS光度方面的主要作用外，这些探测器-与ATLAS主探测器一起-将用于研究ATLAS运行初始低光度阶段的软QCD和衍射物理。最后，我将简要介绍ATLAS前向质子（AFP）项目，目前代表了未来的ATLAS前向物理计划。
Search for $t\bar{t}$ resonances with the ATLAS detector
由于违反了ATLAS实验出版政策，该论文已被作者撤回。
These proceedings present the first observation of single top-quark production associated with a photon using the full Run2 proton-proton dataset collected by the ATLAS experiment at the LHC.
The top quark charge asymmetry measurements performed with ATLAS detector at a centre-of-mass energy of 7 TeV are presented.
Performance of the ATLAS Detector using First Collision Data
2009年12月，ATLAS实验在质心能量为0.9 TeV和2.36 TeV时收集了50多万次LHC碰撞数据的最小偏差事件。本文报告的ATLAS探测器从这些数据的初始性能的研究。数据和蒙特卡罗预测之间的比较显示几个轨道和量热计为基础的数量的分布。ATLAS探测器在这些第一批数据中的良好性能为在更高能量下成功运行提供了信心。
Exclusive measurements for SUSY events with the ATLAS detector at the LHC
我们目前在ATLAS进行的最新工作，用于重建超对称粒子在大型强子对撞机的衰变技术。我们专注于将应用于LHC数据的第一个fb-1的策略。
Searches for the Standard Model Higgs Boson with the ATLAS Detector
本文介绍了利用欧洲核子研究中心（CERN）大型强子对撞机上ATLAS探测器收集的4.9/fb的数据，在质量中心能量为7 TeV的情况下，对标准模型希格斯玻色子进行搜寻的最新结果。
Top physics with the ATLAS detector
在2010年欧洲核子研究中心大型强子对撞机运行期间，$\sqrt{s}$ = 7 TeV，35 pb $^{-1}$的高$p_T$触发已收集到的ATLAS探测器。这相当于产生了近似$\number 2500$顶夸克对事件，其中至少包含一个处于末态的轻子（$e$或$μ$）。
New measurements from ATLAS at the LHC are presented on the total cross section at $\sqrt{s}=8$ TeV from elastic scattering using the ALFA sub-detector and on the inelastic cross section at $\sqrt{s}=13$ TeV using the MBTS sub-detector.
In this contribution, the results on soft hadron physics concerning the underlying event and Bose-Einsten correlations obtained using data collected in proton-proton collisions with the ATLAS experiment are presented.
Production of charm and charmonium with the ATLAS detector at 7 TeV
我们报道了在7 TeV质子-质子碰撞中，利用ATLAS探测器在LHC上观测到的粲介子D^ \ast \pm、D^ \pm和D_s ^ \pm的1.4 nb^-1数据，以及J/psi-->mu+mu共振的78 nb ^-1数据。由此产生的信号支持ATLAS探测器的高性能，从模拟和未来的测量在魅力和charmonium部门的前景预测。
Many theories beyond the Standard Model predict new phenomena which decay to well isolated, high-$p_{\text{T}}$ leptons. Searches for new physics with these signatures are performed using the ATLAS experiment at the LHC. The results reported here use the pp collision data sample collected by the ATLAS detector at the LHC with a center-of-mass energy of 13 TeV.
Track-based alignment for the ATLAS Inner Detector Tracking System
我们讨论了ATLAS实验的内部探测器的基于轨迹的对准。在描述了主要的对齐方法的基础上最小化的命中残差，我们专注于使用的电磁量能器的信息，以及从物理量，如不变质量的J/ $ψ$ -共振信息的对齐方法。我们提出了一个概述的ATLAS内部探测器的当前性能，并总结了一些一般性的意见，从对准的角度来看，探测器的调试经验。
Proceeding for LHCP2017 conference. Referencing the paper of JHEP07(2017)107
Prospects of the measurement of Bs0 oscillations with the ATLAS detector at LHC
给出了ATLAS探测器测量Bs-Bsbar振荡的灵敏度估计。Δ ms范围是从未分组的极大似然振幅拟合得出的，该拟合使用了用简化的Monte Carlo方法生成的Bs 0事件。
This report summarises studies of associated production of electroweak gauge bosons and jets in proton-proton collisions at LHC with center of mass energy of 8 and 13 TeV. It is based on a selection of results published by the ATLAS Collaboration in the first half of 2017.
This article presents a review of recent results on direct top quark mass measurements performed by the ATLAS and CMS collaborations on $pp$ collisions collected during Run 2 of the LHC at $\sqrt{s}=$13 TeV.
Search for Extra Dimensions with Atlas and CMS Detectors at the LHC
简要回顾了ATLAS和CMS实验在不同光度场景下寻找额外维度信号的发现潜力。
Radiation studies for GaAs in the ATLAS Inner Detector
我们估计的硬度因子和等价的1 MeV中子注量的强子注量预计在GaAs的位置轮在ATLAS内探测器。在此基础上，预测了不同衬底GaAs粒子探测器随LHC运行年限的退化。
Measurement of the properties of inelastic p-p events with the ATLAS detector
新的测量提出了从质子-质子碰撞在sqrt（s）= 7 TeV记录与ATLAS探测器在LHC。最小偏差分布测量在不同的相空间区域，并与蒙特卡罗模型预测。基本事件中的活动是相对于事件中具有最高横向动量的轨道来测量的。研究带电粒子之间的角度相关性以提供模型敏感的测量。
Early Searches with Jets with the ATLAS Detector at the LHC
我们总结了高pT射流在早期PP碰撞记录与ATLAS探测器的分析。两个搜索新的物理：一个双喷射共振，一个夸克接触相互作用。第一个搜索设置了最严格的电流限制的质量假设激发夸克。
Search for R-parity violating supersymmetry with the ATLAS detector
超对称性中的R宇称破缺产生了许多独特的实验特征。我们描述搜索与ATLAS检测器的超对称性与R-宇称违反衰变。例子包括寻找共振中微子衰变为一个电子和一个μ子，以及在末态中有一个μ子的重物体的晚期衰变产生的位移顶点。这些通道上的最新结果是基于2010年和2011年欧洲核子研究中心大型强子对撞机7 TeV质子-质子碰撞中ATLAS探测器记录的数据。
We report a measurement of the charge asymmetry $A_C$ in top quark pair production with the ATLAS experiment. The measurement focuses on dilepton channels ($ee$, $eμ$, $μμ$). The data are unfolded to parton level at full phase space using a fully Bayesian unfolding method. Inclusive and differential measurements of the charge asymmetry are performed.
The ATLAS detector at the LHC is equipped with dedicated systems designed for the detection of forward protons produced in diffractive and photon-induced processes. These detectors significantly extend the ATLAS physics reach. Recent measurements performed using these forward proton detectors: elastic proton-proton scattering, exclusive charged pion-pair production, and two-photon production of lepton pairs are presented.
J/ψ,Υ(1S) and χb(3p) Production Measurement with the ATLAS Detector
在大型强子对撞机上用ATLAS探测器测量了质子-质子碰撞中J/π和π（1 S）的产生截面。微分截面作为横向动量和快度的函数进行测量。结果进行了比较QCD预测。通过到π（1 S）和π（2S）态的辐射跃迁，观察到一个新的χb态.
Leptoquarks (LQ) are predicted by many new physics theories to describe the similarities between the lepton and quark sectors of the Standard Model and offer an attractive potential explanation for the lepton flavour anomalies observed at LHCb and flavour factories. The ATLAS experiment has a broad program of direct searches for Leptoquarks, coupling to the first-, second- or third-generation particles. The most recent 13 TeV results on the searches for Leptoquarks and contact interactions with the ATLAS detector are reviewed, covering flavour-diagonal and cross-generational final states.
Search for 4th family quarks with the ATLAS detector
利用树级蒙特卡罗发生器和快速探测器模拟方法研究了味民主假设下的第四代重夸克对产生。两个重夸克的质量值，500和750 $\gev$，被认为是假设第四家庭主要与两个轻家庭的混合。结果表明，在大型强子对撞机低光度运行的第一年后，ATLAS探测器收集的数据中将观察到一个清晰的签名。
Performance of The ATLAS_A Silcion Detector with Analogue Read Out
本文研究了采用FELIX 128模拟读出芯片的ATLAS-A硅微带探测器样机的性能。测量了噪声电平和信噪比随探测器偏压和温度的变化。对于高达300 V的检测器偏置电压，没有观察到微放电的证据。
Measurements of dibosons with the ATLAS detector and associated constraints on new physics
在大型强子对撞机上使用ATLAS探测器测量了W、Z和孤立光子的所有组合的双玻色子截面。截面是在由衰减运动学定义的运动学区域中测量的，在某些情况下，包括对附加射流的否决。测量值也外推到全相空间使用理论计算的接受，并另外用于放置三规范玻色子耦合的约束。
Measurement of the WZ Production Cross Section in Proton-Proton Collisions at CME of 7 TeV with the ATLAS Detector
本文介绍了2011年在LHC的ATLAS实验中收集的7 TeV CME pp碰撞数据的1.02 fb-1 WZ产生的测量结果。生产横截面的测量结果与标准模型（SM）预测结果一致。导出了反常三规范玻色子耦合的极限。
We report a measurement of the charge asymmetry in top quark pair production with the ATLAS experiment at the LHC using 20.3 fb$^{-1}$ of pp collision data at $\sqrt{s}$ = 8 TeV. The data are unfolded using a fully Bayesian unfolding method. Differential measurements of the charge asymmetry are performed.
On the possibility to use ATLAS and CMS detectors for neutrino physics
高能初级宇宙射线进入地球大气层后产生了包括中微子在内的次级粒子流。μ子中微子穿过地球并通过带电电流反应产生μ子，可以通过用于碰撞束测量的实验装置进行记录。大型强子对撞机上的ATLAS和CMS等探测器由于其大的几何尺寸和先进的μ子探测系统，也有可能为中微子物理学做出贡献。给出了中微子产生上行μ子的可能速率的估计。
A Novel Optical Package for ATLAS Pixel Detector
为ATLAS像素探测器研制了一种新颖设计的光学组件。该封装包含两个VCSEL和一个PIN二极管，用于传输和接收光信号。该设计基于简单的连接器型概念，由抗辐射材料制成。已经制造了几个包，并显示出良好的效果。
A review is presented of the most recent measurements of top quark strong and electroweak production performed by using data collected with the ATLAS detector in proton-proton collisions at sqrt(s) = 7 and 8 TeV at the Large Hadron Collider corresponding to integrated luminosities of up to about 4.7/fb and 20/fb, respectively.
Search for High-Mass States with Lepton Plus Missing Transverse Energy Using the ATLAS Detector at Center-of-Mass Energy of 7 TeV
ATLAS探测器已被用于寻找衰变为单个高动量轻子和丢失横向能量的高质量态，例如新的重荷电规范玻色子。介绍了在大型强子对撞机上产生的质心能量为7 TeV的1.04 fb^-1质子-质子碰撞中衰变为轻子加中微子的W素数玻色子的最新研究结果。
Commissioning of the ATLAS Experiment
介绍了截至2008年5月ATLAS实验的试运行情况。描述了最近几个里程碑周的子探测器集成。里程碑周M6的宇宙调试包括同步数据采集和μ子探测器和内部探测器的组合跟踪分析，以及μ子探测器和μ子触发器的组合分析。热量计已接近满负荷运行，并与热量计触发器集成在一起。正在安装高级触发基础设施，并在技术运行中测试算法。
Test beam results of ATLAS Pixel Sensors
根据ATLAS像素探测器设计生产的硅像素探测器在ATLAS合作的框架下在CERN的光束中进行了测试。探测器使用具有氧化硅衬底的n+/n传感器。讨论了1.1 × 10 ~（**15）n_eq/cm ~（**2）和600 kGy辐照后探测器的实验行为。在600 V的传感器偏压下，探测器的耗尽深度为229 μ m，平均收集电荷为20000个电子，探测效率为98.2%，空间分辨率为9.6 μ m
The luminosity determination for the ATLAS detector at the LHC during pp collisions at $\sqrt{s}$ = 8 TeV in 2012 is presented. The evaluation of the luminosity scale is performed using several luminometers, and comparisons between these luminosity detectors are made to assess the accuracy, consistency and long-term stability of the results. A luminosity uncertainty of dL/L = +/- 1.9% is obtained for the 22.7 fb$^{-1}$ of pp collision data delivered to ATLAS at $\sqrt{s}$ = 8 TeV in 2012.
The measurement of the inclusive $Wt$ cross-section at 13 TeV is performed using 3.2$\,\text{fb}{^{-1}}$ of proton--proton collision data collected by the ATLAS detector at the LHC in 2015. Events are required to have at least one jet and two opposite sign leptons. The cross section is measured to be $σ_{Wt} = 94\pm 10\text{(stat.)}^{+28}_{-22}\text{(syst.)}\pm 2\text{(lumi})$pb, corresponding to an observed significance of 4.5\,$σ$ (3.9\,$σ$ expected). The result is consistent with the Standard Model prediction.
Discovery Potential of the Standard Model Higgs Boson Through H -> WW Decay Mode with the ATLAS Detector at LHC
我们报告的研究结果的标准模型希格斯玻色子玻色子的发现潜力，通过W-对轻子衰变模式与ATLAS探测器在LHC在14 TeV的质心能量。我们使用具有全探测器模拟和ATLAS实验重建的MC样品来估计在最终状态中没有硬射流或有两个硬射流的pp -> H -> WW -> eνμν反应的ATLAS探测灵敏度。展望了ATLAS对希格斯玻色子玻色子的研究前景，包括触发效率和利用控制样本数据估计背景的数据驱动方法。在10/fb的积分亮度下，人们期望用ATLAS探测器在135 < m_H < 190 GeV的希格斯玻色子质量范围内发现标准模型希格斯玻色子。如果希格斯玻色子不存在，我们将扩展并确认Tevatron希格斯玻色子搜索结果产生的排除，该结果在95%的置信水平下排除了160 < m_H < 170 GeV的希格斯玻色子质量范围。如果希格斯玻色子被发现，ATLAS可以分别以2和7 GeV的精度测量其质量，其中希格斯玻色子的质量约为160 GeV和130 GeV。
Investigation of top mass measurements with the ATLAS detector at LHC
本文介绍了在大型强子对撞机上用ATLAS探测器测定顶夸克质量的几种方法。顶夸克的所有主要衰变通道都可以探测到。在大多数情况下，测量是由系统的不确定性。已经开发了新的方法来控制与检测器相关的那些。结果表明，在1 GeV的水平上的顶部质量的总误差应该是可以实现的。
Searches for high-mass resonances decaying to pairs of standard model bosons using ATLAS and CMS detectors are presented. The searches use 15 - 36 $\textrm{fb}^{-1}$ of proton-proton collision data collected at the centre-of-mass energy of 13 TeV at the LHC. Many different final states have been considered and the results are interpreted in a range of theories beyond the standard model of particle physics, most common being heavy vector triplet and warped extra dimensions.
Measurement of the inclusive and differential top-quark charge asymmetry is carried out using full Run 2 data from proton-proton collisions at a center-of-mass energy of $13$ TeV collected by the ATLAS detector. The single-lepton and dilepton $t\bar{t}$ decay channels are combined. Distorting detector effects are removed using fully Bayesian unfolding. In the dilepton decay channel, the leptonic charge asymmetry is determined. Results from the measurements are compared with the Standard Model prediction. The excess of charge asymmetry from zero charge-asymmetry hypothesis at the level of $4.7$…
Search for new phenomena in events with a monojet and large missing transverse momentum at the LHC using the ATLAS detector
我们报告的初步结果，寻找新的现象，在事件样本与单射流和大失踪的横向动量在最终状态。该分析使用ATLAS探测器在2011年收集的1.00 fb-1数据。数据中的事件数与标准模型的预测值之间具有良好的一致性。结果被转化为具有大额外维度的模型上的改进的限制。
The top-quark mass is one of the fundamental parameters of the Standard Model of particle physics. The latest ATLAS measurements of the top-quark mass in top quark pair final states are presented. Measurements use di-lepton, lepton+jets and all-jets final states and their combination is performed. Measurements of the top-quark pole mass based on precision theoretical QCD calculations for lepton kinematic distribution and for top quark pair production with an additional jet are also presented.
The most recent results of the top-quark mass measurements with the ATLAS detector using data collected from proton-proton collisions at the Large Hadron Collider are presented. Although several decay modes of the top-quark pairs have been used in ATLAS for top-quark mass measurements, only the latest results are presented (single lepton and dilepton channels). The top-quark pole mass from the $t\overline{t}$ cross-section measurement in the dilepton channel and the top-antitop mass difference measurement in the single-lepton channel are also shown. The systematic uncertainties associated to t…
Search for Massive Long-lived Highly Ionising Particles with the ATLAS Detector at the LHC
在大型强子对撞机的ATLAS实验中，利用sqrt（s）=7 TeV的pp碰撞数据（3.1pb ~（-1）），对大质量长寿命高电离粒子进行了研究。使用ATLAS内探测器和电磁量热计中的能量损失的签名。没有发现这样的粒子，并且对于电荷6 e <= |q| <= 17 e和质量200 GeV <= m <= 1000 GeV的产生截面的限制被设定在1-12 pb的范围内，用于对产生机制的不同假设。
Search for the decay Bs0 -> mu mu with the ATLAS detector
利用ATLAS探测器在LHC上记录的质心能量为7 TeV的质子-质子碰撞进行了寻找衰变Bs 0-> mumu的盲分析。在积分亮度为2.4 fb^（-1）的情况下，没有发现超过背景预期的事件，并且在95%（90%）置信水平下，分支分数BR（Bs 0-> mu mu）的上限设定为< 2.2（1.9）x10^（-8）。
A search for the production of single-top-quarks in association with missing energy performed in proton-proton collisions at a centre-of-mass energy of $\sqrt{s}=8$ TeV with the ATLAS experiment is presented. No deviation from the Standard Model prediction is observed, and upper limits are set on the production cross-section for resonant and non-resonant production of an invisible exotic state in association with a right-handed top quark.
Prospect for the Higgs searches with the ATLAS detector
研究电弱对称性破缺是CERN大型强子对撞机（LHC）实验的主要任务之一。介绍了ATLAS实验在标准模型和最小超对称标准模型中发现希格斯玻色子的潜力，重点介绍了最近完成的研究。
A review of the searches for the SM Higgs boson produced in association with a pair of top quarks, ${t\bar{t}H}$, using up to 13.3 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 13 TeV collected with the ATLAS detector at the LHC is presented. Searches in the diphoton, multilepton and $b\bar{b}$ decay channels are summarised. The combination of these searches yields a measured (expected) significance for the observation of the ${t\bar{t}H}$ production process of $2.8 σ$ ($1.8 σ$).
Electron performance measurements with the ATLAS detector using the 2010 LHC proton-proton collision data
详细测量的ATLAS探测器在LHC的电子性能的报告，使用Z，W和J/psi粒子的衰变。我们使用的是2010年在sqrt（s）=7 TeV时收集的数据，对应的积分亮度接近40 pb^-1。讨论了内探测器和电磁量能器的内部对准、电子能量标度和分辨率的确定以及响应均匀性和线性度方面的性能。给出了电子的识别、重构和触发效率，以及电荷的误判概率。
Improved luminosity determination in pp collisions at sqrt(s) = 7 TeV using the ATLAS detector at the LHC
给出了2010年和2011年在sqrt（s）= 7 TeV的pp碰撞中，LHC上ATLAS探测器的光度标定结果。使用几个光度敏感的探测器进行光度尺度的评价，并比较了长期的稳定性和精度的校准适用于PP碰撞在sqrt（S）= 7 TeV。对于2010年交付给ATLAS的47 pb-1数据，获得了Delta L/L = +/- 3.5%的光度不确定度，对于2011年交付的5.5 fb-1数据，获得了Delta L/L = +/- 1.8%的不确定度。
Search for strong gravity signatures in same-sign dimuon final states using the ATLAS detector at the LHC
在欧洲核子研究中心的大型强子对撞机上，利用ATLAS探测器在质量中心能量为7 TeV的条件下收集的1.3 fb^-1的质子-质子碰撞数据，在同号双μ子末态下对微观黑洞进行了搜寻。数据被发现是一致的预期从标准模型和结果被用来推导排除轮廓的上下文中的低尺度重力模型。
A measurement of the material in the ATLAS inner detector using secondary hadronic interactions
ATLAS内部探测器用于重建初级碰撞产物强子相互作用的次级顶点，从而探测ATLAS内部区域的物质位置和数量。收集的数据在7 TeV pp碰撞在LHC，与最小的偏置触发，用于与模拟事件的比较。重建的次顶点的空间分辨率范围从~200微米到1毫米。模拟中的整体材料描述被验证在约7%的实验不确定度内。这将导致更好地理解各种物体的重建，如轨道，轻子，喷流和丢失的横向动量。
The ATLAS inner detector comprises three different sub-detectors: the pixel detector, the silicon strip tracker, and the transition-radiation drift-tube tracker. The Insertable $B$-Layer, a new innermost pixel layer, was installed during the shutdown period in 2014, together with modifications to the layout of the cables and support structures of the existing pixel detector. The material in the inner detector is studied with several methods, using a low-luminosity $\sqrt{s}=13$ TeV $pp$ collision sample corresponding to around $2.0\,\mathrm{nb}^{-1}$ collected in 2015 with the ATLAS experiment…
Determination of Integrated Luminosity via W and Z Boson Production with the ATLAS Detector
讨论了用ATLAS探测器测量W和Z玻色子产生截面来确定记录的积分亮度的可能性。根据2010年的数据，简要总结了目前的结果。特别注意的是测量的理论不确定度。后者对测量的系统不确定性有很大贡献。展望了基于1fb-1的分析的预期精度，并讨论了可能的光度测定的影响。
Non-ionizing energy loss causes bulk damage to the silicon sensors of the ATLAS pixel and strip detectors. This damage has important implications for data-taking operations, charged-particle track reconstruction, detector simulations, and physics analysis. This paper presents simulations and measurements of the leakage current in the ATLAS pixel detector and semiconductor tracker as a function of location in the detector and time, using data collected in Run 1 (2010-2012) and Run 2 (2015-2018) of the Large Hadron Collider. The extracted fluence shows a much stronger |z|-dependence in the inner…
The search for the production of the Higgs boson associated with a pair of top quarks in the ATLAS experiment is presented. It focuses on Higgs bosons decaying to $b\bar{b}$ and events containing two leptons (electrons and/or muons). It uses 20.3 fb$^{-1}$ of $pp$ collision data at $\sqrt{s}$ = 8 TeV collected with the ATLAS detector at the LHC in 2012. No significant excess of events is found and the 95% CL observed (expected) limit is 7.0xSM (4.3xSM). After combining with the single lepton final state an observed (expected) limit of 4.1xSM (2.6xSM) with a best fit of $μ=1.7\pm1.4$ is obtaine…
On the Charged Fragments Tagging in the ATLAS Detector during the 2025 Oxygen Campaign
本文介绍了2025年LHC氧-氧、质子-氧和氖-氖对撞中，利用ATLAS前向质子探测器（AFP）标记带电碎片，并展示了初步分析结果。
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