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View ArticleQuestion about Docker pre-exercises for cms open data
Hi, I follow the instruction on “Using Docker with the CMS open data – Docker pre-exercises” to install the container using wsl2. And I am stuck at the first step for installing the container for...
View ArticleUnable to download simulated data files from CERN opendata
Hello, When I try to directly download any data file from the CERN opendata website, I am getting a 504 Gateway Time-out The server didn’t respond in time error. I tried to download the files from my...
View ArticleComplete CMS Python Analyses
I am looking for complete CMS python analyses using open data. Are there any repositories or projects where they are collected, such that the results can be reproduced and they can be tinkered with?...
View ArticleProblem with "Error: Invalid query"
Dear open data community: When I try to search for open data and when I click on “datasets” it gives me the error “Error: Invalid query.” What can I do to solve this? Thank you very much for your...
View ArticleError in link Physics Masterclasses
Dear open data community, Hello, just to inform you that the link of the physics masterclasses is down, the page where the link comes from is this: https://opendata.cern.ch/record/53 and this too:...
View ArticleAccess to metadata and its format
Does anyone know where I can find documentation on the Open Data Metadata format and conventions? Thank you, Maxim 7 posts - 2 participants Read full topic
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How to fix "-bash: command not found" when compiling everything
Hi everyone I hope you can help me, there is a screenshot which explains the issue, this is from [GitHub - cms-opendata-analyses/HiForestProducerTool at 2011] 2 posts - 2 participants Read full topic
View ArticleError accessing the database
Hello! I am having issues accessing the Database. For the analysis I am studying, I had to request access to the Database and followed the suggested tutorials. However, when executing ‘cmsRun’, the...
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How can I find the dataset of an article?
Hello! Could you tell me how I can find these datasets in [HIG-22-009]?(CADI-Analyses) 2 posts - 2 participants Read full topic
View ArticleConnection drops when downloading Datasets used to train the Generative...
Tried multiple times from different computers at different times to download the ATLAS ds Datasets used to train the Generative Adversarial Networks used in ATLFast3 (CERN Open Data Portal) Need...
View ArticleAcceptance efficiency and cross section for Monte Carlo samples
Hello! Can you tell me how to find out the efficiency of acceptance and cross section of MC data? For example: https://opendata.cern.ch/record/718 Thank you! 6 posts - 2 participants Read full topic
View ArticleComparable H0 and ttbar semileptonic datasets
I’ve been looking for more recent datasets similar to those used in this paper: https://arxiv.org/pdf/1402.4735.pdf I found several ttbar->semileptonic decay samples and I also found, for example,...
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Root dataset analysis
Hi! So, I read ROOT primer and about to complete ROOT manual and ,I have 2 questions about dataset provided in the form of ROOT files. Firstly, given a root file in open-data, how to carry out...
View ArticleAn "Error: Invalid query" is encountered when trying to access the Monte...
Hello! I wanted to access the datasets of electroweak processes for the year 2015, but I encountered an error “Invalid query” from pages 2 to 12. I saw the previous topic about this issue, but over...
View ArticleEmpty home directory in CMSSW_7_6_7 container
Hi, I am following the instructions here to start a CMSSW_7_6_7 container. The command docker run --name my_od -P -p 5901:5901 -p 6080:6080 -it cmsopendata/cmssw_7_6_7-slc6_amd64_gcc493 /bin/bash...
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Error while using edmDumpevent
Hi, I experienced this error while using edmDumpEventContent command : … (/code/CMSSW_7_6_7/src) edmDumpEventContent --name savehits_output_0001.root Traceback (most recent call last): File...
View ArticleProcedure for adding tags to an open data file assembled with CMSSW_7_6_7
I’ve noticed that many of the TUNE files appear not to contain any tag information. For example: CERN Open Data Portal In this file all tag information is filled in with the placeholder value of...
View ArticleTruth-matching reco jets to associated gen-level particles
In the 2015 miniaod formatted CMS open data collections, is there a standard branch or property that can be used to truth-match reco::GenParticle items to their corresponding pat::Jet? If not, is the...
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Issue in opening a root file
Hi, I was working in a ROOT container and I am able to open all root files except one which I created from the CMSSW container . Actually I was trying to open the root file using vncserver from within...
View ArticleWhere can I find the ZZ & YY dataset for ATLAS and CMS
I’m looking for the dataset sematic variables ZZ & YY which are explicit values for CMS and ATLAS. 2 posts - 2 participants Read full topic
View ArticleWhere can I find datasets(?) for the top quark pair production?
Hi, for my bach. thesis I am calculating cross sections at the LHC condition at 13 TeV. I am calculating the cross section for top quark pairs (tt~) and the 4tops (tt~tt~) with madgraph. The plan is...
View ArticleUpload an ATLAS published analysis dataset
Can anyone help me or provide guidelines on how to upload a published ATLAS analysis dataset? we would like to make the data public 2 posts - 2 participants Read full topic
View ArticleDownloading root files
Hello, I am using the CernVM2015 and CMSSW_5_3_32 and am stuck trying to complete level 4 of the Higgs-to-four-lepton analysis example using 2011-2012 data, this is because I am unable to figure out...
View ArticleError in Pulling Docker Image using Singularity
I am trying to get myself familiar with operations related to our cluster, so I tried using singularity there. I am having issues with pulling a specific docker image into singularity in the cluster....
View ArticlePOET in CMSSW cannot be built
Hello! I am trying to build my environment in lxplus home directory by executing a series of commands that can be found in this link. I have also setup github in here, where I can easily login and get...
View ArticleMinimum Bias CMS PbPb sample from 2011 Run
Dear All, Hope this message finds you well! I am trying to analyze the data from here: /MinimumBias/HIRun2011-PromptReco-v1/RECO | CERN Open Data Portal (1) I am working in some projects for my...
View ArticleGenerating Events
Hi folks! I am trying to generate events in lxplus, specifically of which just of a standard model signature (gg → ttbar). I follow the three step procedures, (1) GEN-SIM, (2) DIGI-HLT, and finally...
View ArticleSearch for pp collision data at different
Hi all, I’m looking for the data of proton-proton collision for different values of energy collision (14 TeV, 13.6 Tev, 13 Tev, 8 Tev, 7 Tev, ….). Do you know where I can find that? Thank you for your...
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CMS Open Data Workshop & Hackathon 2024
Dear Open Data enthusiasts, We are happy to announce the CMS Open Data Workshop & Hackathon 2024! This free workshop will be held July 29 - Aug 1, 2024 at the CERN IdeaSquare, and on Zoom. This...
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