Physical Sciences Division User Newsletter #2 - November 2018
Science Division Shared Account
sciencediv at triumf.ca
Wed Nov 14 11:09:27 PST 2018
Volume 1 | No.2 November 2018
Message from the Associate Laboratory Director - Jens Dilling
Dear Friends and Colleagues,Welcome to the second newsletter from the TRIUMF
Physical Sciences Division (PSD), the purpose of which is to bring you updates
on major facility developments and updates from the Liaison Scientists of our
four research and service groups: Nuclear Physics with Isotope Beams (M.
Alcorta); Resonance probes, muons and beta NMR (I. McKenzie); Science
Technology (T. Lindner); and Detector Test Beam with M11 (S. Yen and I.
Trigger). For many of these projects we are working closely with the
Accelerator Division at TRIUMF. The Liaison Scientists manage user
satisfaction surveys which are completed after every experiment or service
project. In this newsletter we are responding to often repeated feedback, in
particular, for beam reliability at ISAC (see contribution from A. Gottberg
and C. Babcock). Note that it‘s possible that the response to the
feedback could include a 2019 schedule with reduced on-line availability to
focus efforts on improved on-line reliability.
In addition, there is an update from ARIEL and CANREB (A. Garnsworthy and C.
Ruiz). CANREB will commence commissioning off-line and on-line in the first
half of 2019, which could lead to early science opportunities in the second
half of 2019. A notice has recently been sent out for an SAP-EEC at TRIUMF in
January, and one is planned for July. The July EEC hopefully will allow
CANREB-based proposals to be accepted, and we will provide opportunities for
beam-time requests for experiments in August and September 2019 for
CANREB-based experiments. We encourage the community to coordinate early
science opportunities, with focus on post-accelerated beams. There could be
an opportunity for a workshop at TRIUMF if interests exist. Please
let us know.
In June, together with the Helmholtz Centres (DESY, KIT, GSI, and Juelich)
and industry partners D-Wave and 1Qbit, TRIUMF hosted a workshop on Data
Science and Quantum Computing. Since then, we have established working groups
where interested parties can sign up to participate (see mailing list here:
TRIUMF hired a Data Scientist (W. Fedorko, wfedorko at triumf.ca)
to help establish quantum computing and data science platform at
TRIUMF. If interested, please feel free to reach out to him with
Last but not least, we were very happy and honored to have a visit from the
Canadian Prime Minister, Justin Trudeau, at TRIUMF on November 1st, to
congratulate TRIUMF on its 50th anniversary and to announce the establishment
of a premier centre for advanced medical isotopes research and development at
TRIUMF.If you have any questions or comments, please feel to reach out to me
(jdilling at triumf.ca), the Liaison Scientists (see articles below), or to any
one of our department heads:
Nuclear Physics: Chris Ruiz, ruiz at triumf.caParticle Physics: Oliver
Stelzer-Chilton, stelzer-chilton at triumf.caTheory: Petr Navratil,
navratil at triumf.caCMMS: Syd Kreitzman, syd at triumf.caScience Technology:
Fabrice Retiere, fretiere at triumf.ca
Nuclear Physics with Isotope Beams - Martin Alcorta
After a planned delay to the start-up, Schedule 134 resulted in many
successful radioactive beam experiments which resulted in excellent theses and
publications. However, there were some setbacks. This was reflected in the
many surveys received from the users, whom I would like to thank for their
valuable feedback which highlighted areas needing improvement. Our stated
policy is to flag areas of common concern and actively seek to resolve those
issues wherever possible. This year we have had several criticisms related to
beam delivery, most of which fall into the category of reliability. The
message was received loud and clear and multiple groups...
Science Technology - Thomas Lindner
The goal of the Science Technology Department is supporting the physics
community in bringing to reality their projects by providing technical
resources for the design, construction, and operation of experiments and other
apparatus, and by supporting R&D efforts.
The largest project for the Science Technology Department in the last half
year was the completion of the ALPHA-g radial time projection chamber (rTPC).
The ALPHA-g rTPC is 2.4 m long and 0.4 m diameter, with 256 anode wires and
18432 pads and a readout with custom electronics designed and fabricated by
the Science Technology Department. Surrounding the rTPC is a barrel
scintillator, readout with silicon photomultipliers (SiPMs). The rTPC was
built and tested at TRIUMF over the last two years and shipped to CERN in
July. After a great deal of hard work from the Science Technology
Department and the ALPHA collaboration, the rTPC is now ready for the first
ALPHA-g commissioning and data taking run this fall.
Centre for Molecular and Material Science - Iain McKenzie
Since the last newsletter, TRIUMF has hired two new scientists, Sarah
Dunsiger, and Kenji Kojima, and promoted another, Iain McKenzie, to faculty
status, enabling them to do independent self-directed research. Together, they
will form the core part of a team to develop a strong in-house scientific
program with strong university connections (e.g. SFU and SBQMI at UBC).In
other good news, starting in 2019 users no longer will be charged for their
liquid helium usage.
M11 Beam Testing - Isabel Trigger
The beamline M11 area is back in business. The fast pion beamline M11
first came online in 1980. A secondary beam from the BL1A T1 target was neatly
steered away from the proton beamline by a septum magnet into the M11 channel,
which accepted either positively- or negatively-charged pions of kinetic
energy 50 to 350 MeV with a Δp/p =5% momentum spread. That was until the year
2001.In that year, the septum – which had been plagued by water leaks from
its very beginning – sprung a major...
ARIEL Update - Adam Garnsworthy and Chris Ruiz
There has been steady progress in the installation of the RIB transport
beamlines and the new CANadian Rare isotope facility with Electron Beam ion
source (CANREB) equipment on the ground floor of the ARIEL building, and their
connection into the ISAC experimental hall. Over half of these beamlines are
now aligned and under vacuum. The installation of equipment is anticipated to
be completed by the end of 2018 at which point the focus will move to
Beam Development Update - Carla Babcock, Alex Gottberg
In the last newsletter we reported on the rich variety of target and ion
source development projects ongoing at ISAC, as well as on ISAC target
operation statistics - all are making significant progress and in particular,
we successfully operated of a nanometric target material, an electrospun
carbon fibre matrix with embedded dispersed SiC particles (<100 nm). Here
we would like to take the opportunity to demonstrate our commitment to ongoing
ISAC infrastructure campaigns that aim to unlock higher operational
reliability and new capabilities that users are demanding (via e.g. the
The timeline below summarizes our plans to address the highest priority ISAC
target system actions, in order to increase reliability and expand
capabilities for the RIB science program. We will report on the progress and
changes to this schedule on a regular basis in this Newsletter.
TRIUMF Users Group Update - Ania Kwiatkowski
The TRIUMF Users Executive Committee (TUEC) is engaged on behalf of users on
a number of activities related to the TRIUMF Five Year Plan 2020-2025,
including a recent representation to the Advisory Committee on TRIUMF (ACOT).A
subcommittee is reviewing and updating the charter and bylaws. Changes include
modernizing language and practices. In addition, the term user will be
considered and possibly redefined. Any user interested in assisting...
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