From 3f7f4a4dfcc4fd5b542f216168339ecf1ebe1ad3 Mon Sep 17 00:00:00 2001 From: Oleksandr Zenaiev Date: Thu, 5 Mar 2026 20:49:33 +0100 Subject: [PATCH 1/2] Add top quark pair kinematic reconstruction project --- projects/ttbar-kinematic-reconstruction.yml | 42 +++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 projects/ttbar-kinematic-reconstruction.yml diff --git a/projects/ttbar-kinematic-reconstruction.yml b/projects/ttbar-kinematic-reconstruction.yml new file mode 100644 index 0000000..5b516b7 --- /dev/null +++ b/projects/ttbar-kinematic-reconstruction.yml @@ -0,0 +1,42 @@ +--- +name: Kinematic reconstruction of top quarks using CMS open data +postdate: 2026-03-05 +categories: + - Analysis tools +durations: + - 3 months +experiments: + - CMS +skillset: + - C++ + - Python + - Statistical Analysis +status: + - Available +project: + - IRIS-HEP +location: + - Remote + - In person +commitment: + - Full time +program: + - IRIS-HEP fellow +shortdescription: Development and validation of kinematic reconstruction methods for top-quark pairs in the dilepton decay channel +description: > + Top-quark pair production is one of the most important processes studied at the LHC. + In the dilepton decay channel there are two undetected neutrinos in the final state. + This makes the reconstruction of the top-quark pair kinematics challenging and requires dedicated reconstruction techniques. + The project focuses on improving kinematic reconstruction approaches for top-quark pairs using open data from the CMS experiment + (note: these are data which are made publicly available by the CMS experiment, and this project itself is not within the CMS Collaboration). + The student will work with analysis frameworks commonly used in high-energy physics and will investigate and improve different strategies + to reconstruct the neutrino kinematics and the properties of the top-quark pair system. + Possible directions for improvement include using additional kinematic constraints and/or implementing machine learning techniques. + The performance will be assessed in terms of reconstruction efficiency and resolution of the reconstructed observables. + The project provides hands-on experience with collider data analysis, Monte Carlo simulations, and modern analysis tools used in particle physics. + +contacts: + - name: Oleksandr Zenaiev + email: oleksandr.zenaiev@desy.de + +mentees: From 41a7e55f3eca4c1d7a8b42aa6663d2ae9d50e689 Mon Sep 17 00:00:00 2001 From: "pre-commit-ci[bot]" <66853113+pre-commit-ci[bot]@users.noreply.github.com> Date: Thu, 5 Mar 2026 19:50:48 +0000 Subject: [PATCH 2/2] [pre-commit.ci] auto fixes from pre-commit.com hooks for more information, see https://pre-commit.ci --- projects/ttbar-kinematic-reconstruction.yml | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/projects/ttbar-kinematic-reconstruction.yml b/projects/ttbar-kinematic-reconstruction.yml index 5b516b7..85212ea 100644 --- a/projects/ttbar-kinematic-reconstruction.yml +++ b/projects/ttbar-kinematic-reconstruction.yml @@ -25,14 +25,14 @@ program: shortdescription: Development and validation of kinematic reconstruction methods for top-quark pairs in the dilepton decay channel description: > Top-quark pair production is one of the most important processes studied at the LHC. - In the dilepton decay channel there are two undetected neutrinos in the final state. - This makes the reconstruction of the top-quark pair kinematics challenging and requires dedicated reconstruction techniques. - The project focuses on improving kinematic reconstruction approaches for top-quark pairs using open data from the CMS experiment - (note: these are data which are made publicly available by the CMS experiment, and this project itself is not within the CMS Collaboration). - The student will work with analysis frameworks commonly used in high-energy physics and will investigate and improve different strategies - to reconstruct the neutrino kinematics and the properties of the top-quark pair system. - Possible directions for improvement include using additional kinematic constraints and/or implementing machine learning techniques. - The performance will be assessed in terms of reconstruction efficiency and resolution of the reconstructed observables. + In the dilepton decay channel there are two undetected neutrinos in the final state. + This makes the reconstruction of the top-quark pair kinematics challenging and requires dedicated reconstruction techniques. + The project focuses on improving kinematic reconstruction approaches for top-quark pairs using open data from the CMS experiment + (note: these are data which are made publicly available by the CMS experiment, and this project itself is not within the CMS Collaboration). + The student will work with analysis frameworks commonly used in high-energy physics and will investigate and improve different strategies + to reconstruct the neutrino kinematics and the properties of the top-quark pair system. + Possible directions for improvement include using additional kinematic constraints and/or implementing machine learning techniques. + The performance will be assessed in terms of reconstruction efficiency and resolution of the reconstructed observables. The project provides hands-on experience with collider data analysis, Monte Carlo simulations, and modern analysis tools used in particle physics. contacts: