Articles written in Pramana – Journal of Physics
Volume 63 Issue 6 December 2004 pp 1331-1353
Naba K Mondal Saurabh D Rindani Kaustubh Agashe Pankaj Agrawal B Ananthanarayan Ketevi Assamagan Alfred Bartl Subhendu Chakrabarti Utpal Chattopadhyay Debajyoti Choudhury Eung-Jin Chun Prasanta K Das Siba P Das Amitava Datta Sukanta Dutta Jeff Forshaw Thomas Gajdosik Dilip K Ghosh Rohini M Godbole Monoranjan Guchait Partha Konar Sabine Kraml Manas Maity Kajari Mazumdar Naba K Mondai Biswarup Mukhopadhyaya Meenakshi Narain Santosh K Rai Sreerup Raychaudhuri Saurabh D Rindani D P Roy Seema Sharma Ritesh K Singh Rishikesh Vaidya
This is a summary of the projects undertaken by the working group I on high energy and collider physics.
Volume 89 Issue 4 October 2017 Article ID 0056 Special Issue
We outline some of the popular mass restricting variables for the semi-invisible productions at the Large Hadron Collider. In this context, heavy resonating mass, if produced through antler decay topology may already be detectable. New mass variables constructed by applying this mass constraint proved to have an array of interesting properties, including a new kink solution at the true masses of the produced particles. This enables one to measure the mass of the invisible particle and the parent particle simultaneously. This variable in turn can also be applied in reconstructing such events with the momenta of invisible particles. This feature is further demonstrated with the Higgs boson decaying into a pair of third-generation tau-lepton ($\tau$) and thus exploring direct Higgs coupling with the leptonic sector. Dominant discovery signatures rely upon the hadronic decay of tau which is associated with a pair of invisible neutrinos. Exploiting the already measured Higgs mass bound, present technique is capable of providing unique event reconstruction. Moreover, a significant efficiency enhancement is demonstrated in comparison with the existing methods.
Volume 96, 2022
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