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7 papers · 2 filters
Determining the lifetime of long-lived particles at the HL-LHC
Shankha Banerjee, Biplob Bhattacherjee, Andreas Goudelis +3
We examine the capacity of the Large Hadron Collider to determine the mean proper lifetime of long-lived particles assuming different decay final states. We mostly concentrate on t…
Simple operator formulation of the Bakamjian-Thomas approach to heavy quark current , with generalisation to HQET, and with applications to transitions of Lambda-b
Damir Becirevic, Vincent Morenas, Alain Le-Yaouanc +1
Starting from the general formulation of current matrix elements in the Bakamjian-Thomas (BT) approach to quark models, certain aspects of their heavy quark limit are exhibited in…
A nonunitary interpretation for a single vector leptoquark combined explanation to the -decay anomalies
C. Hati, J. Kriewald, J. Orloff +1
In order to simultaneously account for both and anomalies in -decays, we consider an extension of the Standard Model by a single vector leptoqu…
FCC-ee: Your Questions Answered
Alain Blondel, Patrick Janot, Niloufar Alipour Tehrani +29
This document answers in simple terms many FAQs about FCC-ee, including comparisons with other colliders. It complements the FCC-ee CDR and the FCC Physics CDR by addressing many q…
Interference effects in LNV and LFV semileptonic decays: the Majorana hypothesis
A. Abada, C. Hati, X. Marcano +1
In the case where the Standard Model is extended by one heavy Majorana fermion, the branching fractions of semileptonic meson decays into same-sign and opposite-sign dileptons are…
Polarization in (quasi-)two-body decays and new physics
Z. J. Ajaltouni, E. Di Salvo
We consider two-body and quasi-two-body decays of the type , where and are spin-1/2 fermions and a spin-0 or spin-1 boson. After recalling the non-co…