[Theory-seminars] Theory Seminar - Wim Cosyn - rescheduled to February 23

[Adam Freese]

Greetings everyone,

Due to technical difficulties, we have had to reschedule Wim's seminar for February 23 at 1 pm ET. The Zoom link for the rescheduled seminar is here:
https://jlab-org.zoomgov.com/j/1605573152?pwd=SJodeb45qMPcTfiOKCzYZ6Yxb3Xng4.1

I have requested CC L102 for the streaming next week, but the request is pending.

The title and abstract, as before, are below. A reminder email will be sent out next Monday morning.

Title:
Tensor polarized observables for the deuteron

Abstract:
Absent for spin-1/2, tensor polarization refers to the 5 additional
polarization parameters available in the density matrix of a spin-1
ensemble.  This leads to a range of new observables in measurements with
tensor polarized hadrons, where in this talk we focus on the deuteron
case.  For the deuteron, even in high-energy observables, nuclear
interactions intrinsically play a role in tensor polarized observables.

I start with a pedagogical introduction to tensor polarization, cover
available data and touch on some difficulties in comparisons with
theoretical models.  I discuss how light-front nuclear structure is a
natural way to describe high-energy reactions on nuclei and cover some
recent results for tensor polarized deuteron observables in the
framework.  One example are tensor asymmetries in spectator tagged DIS,
which enable measurements of asymmetries with extremal values and are
high-energy observables for low-energy nuclear structure.

Kind regards,
Adam

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