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Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)最新文献

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Multi-leg Hadronic Final State: calculation and simulation 多腿强子终态:计算与仿真
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0238
R. Frederix
{"title":"Multi-leg Hadronic Final State: calculation and simulation","authors":"R. Frederix","doi":"10.22323/1.316.0238","DOIUrl":"https://doi.org/10.22323/1.316.0238","url":null,"abstract":"In this talk we discuss the recent progess in the computation and simulation of multi-leg hadronic final states. We focus on three recent developments: (i) Minlo as a path NNLOPS, (ii) NLO EW corrections and their matching to parton showers, and (iii) incorporating NLO splitting functions in parton showers.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129211966","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Search for exotic particle at NA62 在NA62寻找奇异粒子
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0088
R. Lollini
{"title":"Search for exotic particle at NA62","authors":"R. Lollini","doi":"10.22323/1.316.0088","DOIUrl":"https://doi.org/10.22323/1.316.0088","url":null,"abstract":"The NA62 experiment at the CERN SPS is currently taking data to measure the ultra-rare decay $K^+ rightarrow pi^+nubarnu$. Owing to the high beam-energy and a hermetic detector coverage, NA62 also has the opportunity to directly search for a plaethora of long-lived beyond-the Standard Model particles, such as Heavy Neutral Leptons, Axion-like Particles and Dark Photons. We will review the status of this searches and give prospects for future data taking at NA62.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120997265","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of Charmed Baryons at Belle 在百丽大学研究迷人的贵族
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0134
M. Sumihama
{"title":"Study of Charmed Baryons at Belle","authors":"M. Sumihama","doi":"10.22323/1.316.0134","DOIUrl":"https://doi.org/10.22323/1.316.0134","url":null,"abstract":"We report recent results on charmed baryons based on the data sample \u0000 collected with the Belle detector at the KEKB asymmetric energy $e^+ e^-$ collider. \u0000 These include the search for a hidden strange pentaquark $P_s^+$ \u0000 via $Lambda_c^+ rightarrow phi ppi^0$ decay, \u0000 the measurement of the branching fractions of hadronic decays of the $Omega_c^0$ ground state, \u0000 the observation of four states of $Omega_c^{*0}$ and $Xi_c(2930)^{0}$, and \u0000 the measurement of the production cross sections of hyperons and charmed baryons.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125215264","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Muon identification and performance in the ATLAS experiment ATLAS实验中的μ子识别与性能
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0097
S. Rettie
{"title":"Muon identification and performance in the ATLAS experiment","authors":"S. Rettie","doi":"10.22323/1.316.0097","DOIUrl":"https://doi.org/10.22323/1.316.0097","url":null,"abstract":"Muon reconstruction and identification play a fundamental role in many analyses of central importance in the LHC run-2 Physics programme. The algorithms and the criteria used in ATLAS for the reconstruction and identification of muons with transverse momentum from a few GeV to the TeV scale will be presented. Their performance is measured in data based on the decays of Z and J/$psi$ to a pair of muons, that provide a large statistics calibration sample. Reconstruction and identification efficiencies are evaluated, as well as momentum scales and resolutions, and the results are used to derive precise MC simulation corrections. Isolation selection criteria and their performances in presence of high pileup will also be presented.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127733837","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vector Boson production in association with jets at CMS 矢量玻色子生产与喷气机在CMS
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0092
A. Grebenyuk
{"title":"Vector Boson production in association with jets at CMS","authors":"A. Grebenyuk","doi":"10.22323/1.316.0092","DOIUrl":"https://doi.org/10.22323/1.316.0092","url":null,"abstract":"The production of vector bosons (W, Z, gamma) in association with jets is a stringent test of perturbative QCD and is a background process in searches for new physics. Total and differential cross-section measurements of vector bosons produced in association with jets in proton-proton collisions performed by the CMS collaboration at the LHC are presented. The measurements are compared to the predictions of event generators and theoretical calculations.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133723590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bottom quark mass effects on the ptZ spectrum and the W mass determination 底夸克质量对ptZ谱的影响及W质量的测定
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0111
A. Vicini
{"title":"Bottom quark mass effects on the ptZ spectrum and the W mass determination","authors":"A. Vicini","doi":"10.22323/1.316.0111","DOIUrl":"https://doi.org/10.22323/1.316.0111","url":null,"abstract":"We briefly discuss the role of the subprocesses initiated by \u0000 bottom quarks in the study of the Drell-Yan observables \u0000 and the treatment of the bottom quark mass effects; \u0000 we eventually estimate the impact of these approximations \u0000 in the high-precision determination of the $W$ boson mass.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121840203","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Top quark pair and single top t-channel differential cross sections in CMS CMS中顶夸克对和单顶t通道微分截面
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0117
Y. Roh
{"title":"Top quark pair and single top t-channel differential cross sections in CMS","authors":"Y. Roh","doi":"10.22323/1.316.0117","DOIUrl":"https://doi.org/10.22323/1.316.0117","url":null,"abstract":"Differential measurements of top quark pair and single top quark (t-channel) production cross sections are presented using data collected by CMS at different center-of-mass energies. The cross sections are measured as a function of various kinematic observables of the top quarks and the jets and leptons of the event final state. The tt̄ measurements are extended to the TeV range using jet substructure techniques to exploit the boosted regime. The results are confronted with precise theory calculations.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114723629","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Accessing generalized TMDs through double Drell-Yan and double $eta_c$ production processes 通过双Drell-Yan和双$eta_c$生产过程访问广义tmd
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0149
S. Bhattacharya, A. Metz, V. K. Ojha, Jeng-Yuan Tsai, Jian Zhou
{"title":"Accessing generalized TMDs through double Drell-Yan and double $eta_c$ production processes","authors":"S. Bhattacharya, A. Metz, V. K. Ojha, Jeng-Yuan Tsai, Jian Zhou","doi":"10.22323/1.316.0149","DOIUrl":"https://doi.org/10.22323/1.316.0149","url":null,"abstract":"Being the \"mother distributions\" of all types of two-parton correlation functions, generalized TMDs (GTMDs) have garnered a lot of attention. We address the important question of how to access GTMDs in physical processes. Recently, we have shown that quark GTMDs can in principle be probed through the exclusive pion-nucleon double Drell-Yan process, where the focus was on two particular GTMDs only. We now present new results concerning access to the remaining quark GTMDs in the same process. Moreover, we show that GTMDs for gluons can be explored via exclusive double production of pseudoscalar quarkonia ($eta_c$ or $eta_b$) in nucleon-nucleon collisions.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116085981","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Studies of photon production in association with jets at the ATLAS detector 在ATLAS探测器上与射流相关的光子产生的研究
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0004
M. Stockton
{"title":"Studies of photon production in association with jets at the ATLAS detector","authors":"M. Stockton","doi":"10.22323/1.316.0004","DOIUrl":"https://doi.org/10.22323/1.316.0004","url":null,"abstract":"The production of prompt photons in association with jets in proton-proton collisions at the LHC provides a testing ground for perturbative QCD (pQCD) with a hard colourless probe less affected by hadronisation effects than jet production. The measurements of the angular correlations between the photon and the jets can be used to probe the dynamics of the hard-scattering process. We present here the latest ATLAS cross-section measurement of isolated photon plus jet at $sqrt{s}=13$ TeV, differential in a wide range of kinematic variables describing the photon plus jet production dynamic. We will also present for the first time ATLAS measurements on the differential cross sections of isolated-photon plus heavy-flavour jet production at $sqrt{s}=8$ TeV. The results are compared to recent theoretical predictions.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"92 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122558974","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Precision calculations for top-quark pair production at the LHC 大型强子对撞机顶夸克对产生的精确计算
Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018) Pub Date : 2018-09-20 DOI: 10.22323/1.316.0139
I. Tsinikos
{"title":"Precision calculations for top-quark pair production at the LHC","authors":"I. Tsinikos","doi":"10.22323/1.316.0139","DOIUrl":"https://doi.org/10.22323/1.316.0139","url":null,"abstract":"In this proceeding we present precision calculation results for top-quark pair production at the LHC at NNLO QCD and NLO EW accuracy. Concerning the combination of QCD and EW corrections we discuss and adopt the multiplicative approach. We use and compare the latest available PDF sets to date, including the photon PDF, i.e. the LUXQED17 and the NNPDF3.1LUXQED. We find that the EW corrections are independent on the two PDF sets at differential level for all the main ttbar distributions. We further discus the size of the EW corrections w.r.t. the theory uncertainties and point out the reduction of the PDF uncertainties for the NNPDF3.1 PDF set.","PeriodicalId":375261,"journal":{"name":"Proceedings of XXVI International Workshop on Deep-Inelastic Scattering and Related Subjects — PoS(DIS2018)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128069655","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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