iiinova — where your digital self keeps evolving

DEAP-3600 @deap3600.bsky.social · 26/09/2026

DEAP-3600 at #LRT2026 in York. Chris Jillings presented “Background Control in DEAP-3600”, while Pushpa Adhikari presented his work on the diffusion of 210Pb and 210Po in nylon and its dependence on humidity.

A researcher presents a talk on the diffusion of radon daughters in nylon at the LRT2026 workshop in York. A large presentation screen shows a slide titled “Diffusion process,” with a diffusion equation and a graph of substance concentration versus depth. The event is taking place in a historic hall with large stained-glass windows.

000

DEAP-3600 @deap3600.bsky.social · 17/09/2026

A new study by the DEAP Collaboration measures the muon flux reaching SNOLAB, 2 km underground in Canada. The result provides an important benchmark for future rare-event and dark matter searches. 🔗 arxiv.org/abs/2608.20504 #DarkMatter

010

DEAP-3600 @deap3600.bsky.social · 10/09/2026

🔭 The DEAP-3600 Collaboration met at SNOLAB to discuss the latest progress in dark matter searches, detector upgrades, background studies and future argon detectors. Great science is driven by great people - united by curiosity and a shared mission to better understand our Universe. 🌌

Group photo of DEAP-3600 Collaboration members during the September 2026 meeting at SNOLAB in Canada. Participants pose in a conference room in front of a large screen showing additional collaborators joining remotely by video call.

020

DEAP-3600 @deap3600.bsky.social · 02/09/2026

DEAP-3600 at #TeVPA2026! 🌌 Akhil presented our latest results, from updated WIMP dark matter limits to solar neutrinos and cosmic-ray muons - and shared what’s next as DEAP-3600 prepares for Phase IV data taking. #AstroparticlePhysics @carleton.ca

A presenter speaks at a lectern during TeVPA 2026. The projected slide shows a group photo of the DEAP-3600 Collaboration together with the experiment and partner institution logos.

041

DEAP-3600 @deap3600.bsky.social · 31/08/2026

Congratulations to DEAP-3600 Collaboration member Akhil Maru on successfully defending his PhD at Carleton University! 🎓 His thesis explores the muon flux at SNOLAB using the DEAP-3600 detector. Well done, Akhil! 👏 #DEAP3600 #ParticlePhysics @carleton.ca @snolabscience.bsky.social

A smiling man in a bright red kurta and black hat stands with his arms crossed against a dark stage backdrop, illuminated by warm red and orange spotlights.

062

DEAP-3600 @deap3600.bsky.social · 29/07/2026

#BehindTheScenes: dark-matter experiments do not run by themselves. DEAP-3600 scientists take regular shifts to monitor the detector, check data quality, support calibrations and contact experts. In one recent week, the experiment spent over 91% of its operating time collecting physics data.

Close-up of a FLIR i7 thermal imaging camera displaying a false-colour temperature map of laboratory equipment. Blue areas indicate cooler surfaces around 7.5°C, while yellow, orange and red areas show warmer components up to about 39°C.

Large stainless-steel cryogenic and vacuum apparatus in a physics laboratory, with flanged vacuum chambers, insulated blue pipes, flexible metal hoses, sensors and cables mounted on an aluminium support frame. The setup appears to be part of a particle detector or cryogenic test facility.

080

DEAP-3600 @deap3600.bsky.social · 08/07/2026

A little xkcd moment for underground astroparticle physics 😄 A recent comic includes SNOLAB - the deep underground laboratory where DEAP-3600 searches for dark matter. Nice to see our kind of “deep science” in the wild! #DEAP3600 @snolabscience.bsky.social xkcd.com/3266/

072

DEAP-3600 @deap3600.bsky.social · 04/07/2026

More moments from the DEAP-3600 contributions at #CAP2026 in Ottawa. 📸 At the congress, we shared much of our work with the rest of the physics community in Canada: R&D, new analysis, and future work with upcoming liquid argon detectors. @snolabscience.bsky.social

A conference presentation in a lecture room. The slide is titled “Signal Formation in a Dual-Phase Noble Liquid TPC” and explains S1 and S2 signals in a liquid and gas phase detector. Audience members are seated in the foreground.

A presenter gives a talk in a lecture room. The projected slide is titled “Status on search for 0νECEC” and shows argon-related reaction channels, equations, and a plot with a highlighted region of interest.

050

DEAP-3600 @deap3600.bsky.social · 28/06/2026

DEAP-3600 was well represented at the 2026 CAP Congress in Ottawa, with 6 contributions in the Particle Physics programme. The talks highlighted DEAP-3600’s status, physics reach and potential for dark matter, neutrino, nuclear physics and multi-messenger studies. 👉https://shorturl.at/gEgHo #CAP2026

Poster for the 2026 CAP Congress / Congrès de l’ACP, held on 21–26 June 2026 in Ottawa, Ontario. The poster shows a panoramic view of Parliament Hill and the Ottawa skyline, with logos of the Canadian Association of Physicists, Carleton University and the University of Ottawa, plus QR codes linking to the congress websites.

120

DEAP-3600 @deap3600.bsky.social · 05/06/2026

This week, Guillermo Vera Díaz from CIEMAT presented #DEAP3600 updates at the #IDM2026 conference, held on 1-5 June 2026 at the Universidad de Zaragoza, Spain. #DarkMatter @cfp-ciemat.bsky.social @unizar.es

A presenter speaks at the University of Zaragoza during IDM2026, with a slide showing the structure of the DEAP-3600 detector.

A presenter gives a talk at IDM2026 in Zaragoza, showing a slide about the DEAP-3600 detector.

050

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 25/05/2026

Calling all undergraduate students! Applications are open for the 2026 Fall co-op positions - check out our postings for science and IT student positions here: www.snolab.ca/employment/s...

0108

DEAP-3600 @deap3600.bsky.social · 25/05/2026

XeSAT2026 has wrapped up! DEAP members shared updates on DEAP-3600, hardware upgrades, ARGO, xenon-doped argon R&D, SCALAR, and radon adsorption with zeolites. Great to see liquid argon dark matter research strongly represented. #DarkMatter @snolabscience.bsky.social

Group photo of seven DEAP collaboration members standing outdoors in front of green trees and bushes during XeSAT2026.

A XeSAT2026 presentation slide titled “Hardware Upgrades and Background Mitigation in DEAP-3600,” shown to an audience in a conference room.

A speaker presenting a slide titled “DEAP Collaboration” at XeSAT2026, with attendees seated in a conference room.

032

DEAP-3600 @deap3600.bsky.social · 22/05/2026

New DEAP-3600 result on arXiv! The collaboration reports first evidence of neutrino absorption on argon using ⁸B solar neutrinos — a milestone for DEAP-3600 and argon-based neutrino experiments. Read the paper: arxiv.org/abs/2605.12769 #DEAP3600 #NeutrinoPhysics

161

DEAP-3600 @deap3600.bsky.social · 14/05/2026

Update from inside the DEAP-3600. The team has just successfully deployed the dust pipe and is getting ready to the next stage of detector preparation: filling and filtering to remove dust. Many thanks to the Alberta team and everyone on site who made it happen. @ualberta.bsky.social

Two team members in blue cleanroom lab coats, gloves, hard hats, and safety glasses work on a complex detector setup with metal piping, tubing, valves, and support structures. They are carefully positioning or securing a tall stainless-steel pipe assembly inside the DEAP-3600 detector.

030

DEAP-3600 @deap3600.bsky.social · 09/05/2026

Congratulations to Julia Brachman, returning summer undergraduate student with DEAP-3600, on presenting her first research poster at WiE-RISE! Her work explored design trade-offs in liquid argon dark matter detectors, including DEAP-3600 and DarkSide-20k. #WomeninEngineering

A young woman in a pink blazer stands beside her research poster titled “Design Trade-Offs in Single- and Dual-Phase Liquid Argon Dark Matter Detectors,” presented at the WiE-RISE Women in Engineering: Research Impact Symposium. The poster discusses liquid argon dark matter detector designs, including DEAP-3600 and DarkSide-20k.

061

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 24/04/2026

The 2026 Tri-Institute Summer School on Elementary Particles (TRISEP) is taking place July 13-24 at @Perimeter Institute. Applications are open to graduate level physics students until April 28. Learn more and apply here: events.perimeterinstitute.ca/event/2050/

events.perimeterinstitute.ca

TRISEP 2026

The 2026 Tri-Institute Summer School on Elementary Particles (TRISEP) will be held July 13-24 at Perimeter Institute. TRISEP is an international summer school organized jointly by Perimeter Institute,...

053

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 10/04/2026

With Artemis II due to splash down today, SNOLAB Research Group Manager Stephen Sekula explains what we learned from this important mission, and the promise of future missions. Listen here: lnkd.in/eSz5dp9A

072

DEAP-3600 @deap3600.bsky.social · 18/03/2026

New DEAP-3600 results from SNOLAB. Using 790.8 live-days of liquid argon data, we set stronger limits on WIMPs - one of the leading dark matter candidates - and improved our view of where this invisible matter is not hiding.🕵️ Read: arxiv.org/pdf/2603.13965 @snolabscience.bsky.social

082

DEAP-3600 @deap3600.bsky.social · 10/03/2026

Behind the scenes: #DEAP3600 team members from Carleton are visiting the detector site to support hardware upgrades, including pumping out the argon dewar vacuum jacket. The overall plan is to slowly cool the acrylic vessel with injections of argon gas and prepare to deploy the dust removal system.

Two researchers in blue cleanroom suits, orange hard hats, and safety glasses work inside the DEAP-3600 detector infrastructure, surrounded by metal supports, cables, and tubing. One adjusts equipment connected to the detector while the other assists.

031

DEAP-3600 @deap3600.bsky.social · 23/02/2026

DEAP-3600 collaboration met again at Queen’s University, Kingston (17–20 Feb 2026). Global team reviewed detector status, analysis & operations, and set priorities for the months ahead. Stay tuned for progress and results! @queensuresearch.bsky.social

A long dinner table in a cozy, wood-paneled restaurant with warm pendant lights overhead. A large group of people sit on both sides of the table, smiling toward the camera, with plates, glasses, and menus spread out.

A screenshot of a Zoom meeting in grid view showing multiple participants on camera, one tile with a name only, and a few muted microphone icons visible. Participants appear in different rooms/backgrounds, suggesting remote attendance from various locations.

A group of people standing together in a bright lobby or hallway area. A sign for the Arthur B. McDonald institute is visible above a doorway in the background, and the group faces the camera as if posing for a meeting photo.

040

DEAP-3600 @deap3600.bsky.social · 18/02/2026

DEAP-3600 featured at #WNPPC2026 (63rd Winter Nuclear & Particle Physics Conf.), Feb 12–15 in Banff, Alberta—Canada’s subatomic physics meeting spotlighting students & postdocs. Talks + poster covered argon dark matter and nuclear physics in LAr. #conference @snolabscience.bsky.social

Banner for the Winter Nuclear & Particle Physics Conference (WNPPC 2026) featuring a blue sky background with a snowy mountain photo. Large white text reads “Winter Nuclear & Particle Physics Conference” and “Banff, Alberta Canada,” with “WNPPC 2026” on the left beside a small snowboarding stick-figure icon and a long black horizontal line across the design.

251

DEAP-3600 @deap3600.bsky.social · 11/02/2026

In just two days, we will participate in an exciting event organised by @astrocent.bsky.social! Join us for a celebration of the International Day of Women and Girls in Science 2026 and meet women exploring the dark matter’s riddles ✨ 13.02.2026, 13:00 CET Register: forms.gle/3SR2cqdWXmJw...

forms.gle

Registration form - Open lecture | 13.02.2026

Join us for a special Astrocent Take Over celebrating the International Day of Women and Girls in Science 2026 and Meet the Women Exploring the Dark Matter’s Riddles! ✨ Hear presentations from researc...

031

DEAP-3600 @deap3600.bsky.social · 11/02/2026

Our colleague Cheyanne Monk presenting at the 13th Canadian Conference for Undergraduate Women & Gender Minorities in Physics at UBC Vancouver, 30.01-1.02.2026. Many fantastic talks, career options, and discussions about EDI in the field... And beautiful UBC campus;) #WomeninSTEM #CCUW*iP

050

DEAP-3600 @deap3600.bsky.social · 02/02/2026

Our new paper accepted in Phys. Rev. D! We measured how radon daughters ²¹⁰Pb/²¹⁰Po diffuse in Nylon-6 - much faster at high humidity - informing ultra-low-background detectors for dark matter & neutrinos. Read: doi.org/10.1103/jtn3... #DEAP3600

060

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 28/01/2026

Wanting to gain hands-on experience in a world-class underground science lab? SNOLAB is hiring for various student positions across many disciplines! Applications for the Summer 2026 term close soon and can be found here: www.snolab.ca/employment/s...

043

DEAP-3600 @deap3600.bsky.social · 20/01/2026

Big congrats to our colleague Cheyanne Monk on the Undergraduate HQP Excellence Award granted through the McDonald Institute’s HQP Excellence Awards (HExA) program, recognizing her contributions in research (DEAP-3600), community building and science communication! 🎉 @mcdonaldinstitute.bsky.social

Person in a blue lab coat kneels beside an open electronics cabinet packed with multicolored wires, wearing clear safety glasses and an orange hard hat labeled “CHEYANNE,” holding a connector and looking at the camera.

Portrait of a person with short brown hair and a small nose ring, wearing a black pinstriped blazer over a burgundy top and a green pendant necklace, smiling slightly against a plain light-gray background.

062

DEAP-3600 @deap3600.bsky.social · 29/12/2025

Wishing you a new year full of bright moments and exciting results! #darkmatter #2026 #DEAP3600

091

DEAP-3600 @deap3600.bsky.social · 15/12/2025

📢Check out job opportunities! • Black Hills State University: tenure-track Asst Prof in Physics: shorturl.at/igoUX • UC Riverside: tenure-track Asst Prof (experimental neutrinos/particle astro/cosmology/GW): shorturl.at/1cU4Y #PhysicsJobs @blackhillsstate.bsky.social @ucriverside.bsky.social

080

DEAP-3600 @deap3600.bsky.social · 11/12/2025

Neutrinos keep surprising us 👀 In their latest result, #MicroBooNE used one detector and two beams to test the idea of a fourth, “sterile” neutrino. Their data show no sign of it and rule out that model with 95% certainty. Congrats to our colleagues at @fermilab.bsky.social & MicroBooNE!

youtube.com

Scientific Seminar: MicroBooNE finds no evidence for a single sterile neutrino

YouTube video by Fermilab

090

Reposted by DEAP-3600

Corey S. Powell @coreyspowell.bsky.social · 01/12/2025

The upcoming LBNF-DUNE experiment will go even further, studying neutrinos to search for the answer to one of the most fundamental questions in science: Where did all the matter in our universe come from? (In other words: Why is there something rather than nothing?) 🧪🔭 aeon.co/essays/going...

Construction workers created two colossal caverns, each more than 500 feet long and about seven stories tall, for the gigantic particle detector modules of the Deep Underground Neutrino Experiment, hosted by Fermilab. A third cavern will house utilities for the operation of the detector. Photo: Matthew Kapust, Sanford Underground Research Facility

0273

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 26/11/2025

Our Education and Outreach team is excited to be presenting at STAO Celebrates, the leading conference for science teachers in Ontario. Don’t miss our session at 9am on Thursday, Nov. 27. We’re looking forward to connecting with educators and learning at #STAOCelebrates! stao.ca/stao-celebra...

061

DEAP-3600 @deap3600.bsky.social · 24/11/2025

Guillermo Vera Díaz (CIEMAT) presented the latest #DEAP3600 status after its third liquid argon fill at #CPANDays (19–21 Nov), sharpening the search for #darkmatter and rare events within the Global Argon Dark Matter Collaboration.

Young researcher giving a DEAP-3600 dark matter talk at CPAN Days, standing beside a slide titled “More physics with DEAP” in a full lecture room.

0101

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 17/11/2025

❄️ Having a chill start to the week at SNOLAB! SNOLAB uses a special technique to measure trace amounts of radon in infrastructure and experiments in the underground laboratory. This method, a radon assay, requires cryogenic temperatures to make it work. 📸 Photo by Gerry Kingsley

083

DEAP-3600 @deap3600.bsky.social · 12/11/2025

🛡️⚔️ Four knights of #darkmatter from Queen’s team joined McDonald Institute for #DarkMatterDay on the 8 Nov, hosting a booth on #DEAP3600 & future liquid argon detectors 🔦✨ Our contribution to a global outreach initiative. @mcdonaldinstitute.bsky.social @queensuresearch.bsky.social

Four members of the DEAP-3600 Queen’s group stand smiling behind a table at the McDonald Institute. The table displays electronic equipment used for demonstrations. Next to them is a DEAP-3600 poster, and two members are holding 3D-printed models of the detector used to explain dark matter research.

0102

DEAP-3600 @deap3600.bsky.social · 31/10/2025

Our team presented updates on the #DEAP-3600 experiment and progress toward #ARGO at #LIDINE2025 conference, held October 21–24 in Hong Kong. Talks by Susnata Seth and Asish Moharana showcased recent advances in dark matter detection.

Group photo of participants at the LIDINE 2025 conference seated in a large meeting room, smiling toward the camera. The conference banner reads “LIDINE 2025 – Light Detection in Noble Elements.”

A researcher gives a presentation at a conference, holding a microphone and a pointer while standing near a podium labeled “Sheraton Hong Kong Hotel.” A projected slide is partially visible in the background.

A researcher presents a talk titled “Optical modeling of pixelated digital SiPMs for ARGO” at the LIDINE 2025 conference in Hong Kong, standing beside a projected slide and speaking into a microphone.

071

DEAP-3600 @deap3600.bsky.social · 20/10/2025

Proud to share that a story on #darkmatter and the DEAP-3600 experiment has just been published in Belliner magazine 📰✨ A great opportunity to bring cutting-edge astrophysics closer to the public! Practise your Italian😉👉 shorturl.at/mGcDh #outreach

Page of Belliner magazine featuring the article “Andare sottoterra per studiare il cielo” (“Going underground to study the sky”). The main image shows the spherical DEAP-3600 dark matter detector with multiple round photodetectors arranged in a geometric pattern.

0103

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 08/10/2025

SNOLAB is hosting its third annual poster design contest to celebrate Dark Matter Day! Participants of any age are invited to design an original piece of visual artwork that explores the theme of dark matter. Learn more here: www.snolab.ca/poster-conte.... #DarkMatterDay

093

DEAP-3600 @deap3600.bsky.social · 01/10/2025

👋 Welcome Ryan Curtis to the DEAP collaboration! He’s starting his MSc at Queen’s University (supervised by Michela Lai), focusing on radon adsorption in argon & SiPM detection in LAr. Ryan is also passionate about #outreach, co-running @ThePhysicsHouse on TikTok. #DEAP3600team

A young man in a blue and black checkered shirt, wearing a conference badge, poses smiling with one hand on his hip and the other resting on a large blue cylindrical experimental apparatus inside an underground tunnel with cables and lighting overhead.

071

DEAP-3600 @deap3600.bsky.social · 24/09/2025

Fresh from the underground: the third argon fill at DEAP-3600 is now complete ✅. The detector is filled to full capacity and ready for the next steps! Work continues at @snolabscience.bsky.social #teamwork #darkmatter

A collage of photos showing scientists and engineers working at SNOLAB on the DEAP-3600 experiment. Team members in blue cleanroom suits and orange or white helmets are operating equipment, handling cryogenic systems, monitoring instruments, and connecting wires. The central images highlight the detector and filling system used for the liquid argon fill.

0103

DEAP-3600 @deap3600.bsky.social · 22/09/2025

👋 Meet Peter Taylor — a new student joining the #DEAP3600 team! He’ll be working on designing the new cryostat to be built and tested at Queen’s University, and on low-level data analysis for one of the beta-backgrounds. Welcome, Peter! ✨ @queensuresearch.bsky.social

A man with headphones smiles at the camera while holding a gray-and-white cat sitting on his chest. A map of Japan is visible on the wall in the background.

051

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 09/09/2025

This photo, “Grace under pressure”, was taken by Mary Katherine Keown. The photographer had this to say about it: “Everything — including the coffee — is controlled at SNOLAB. The kind of precision that goes into experimentation at SNOLAB is almost super-human.” #PhysPics25

072

DEAP-3600 @deap3600.bsky.social · 02/09/2025

DEAP-3600 was presented at #TAUP2025 (24-30.08, Xichang) - one of the most important events in our field🌌 New #darkmatter search results, solar neutrino measurements, and insights into supermassive gravitinos. Talks by Shawn Westerdale & Michal Olszewski.

Official TAUP 2025 conference banner: “19th International Conference on Topics in Astroparticle and Underground Physics, Xichang, Sichuan, China, 2025.8.24–8.30.”

Michal Olszewski presenting at TAUP 2025, standing at a podium with a slide titled “Plan” projected behind him.

050

DEAP-3600 @deap3600.bsky.social · 26/08/2025

On Aug 1, Michela Lai, Analysis Coordinator of our experiment, began her role as Assistant Professor at Queen’s University, Kingston! She’ll keep working on DEAP-3600, DarkSide-20k & ARGO. From Cagliari to California to Canada - best of luck, Michela! @queensuglobal.bsky.social

A woman in a black blazer is standing at a podium with a microphone, giving a presentation. She is holding a small remote in her hand and looking attentively to the side.

290

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 19/08/2025

If the Big Bang created an equal amount of matter and antimatter, why is antimatter vanishingly scarce in the universe today? SNOLAB is studying neutrino properties to answer this pivotal question. knowablemagazine.org/content/arti...

knowablemagazine.org

How a mysterious particle could explain the universe’s missing antimatter

The Big Bang should have produced equal amounts of matter and antimatter, which would have annihilated each other in a spectacular burst of pure energy. But it didn’t. New experiments focused on under...

1123

DEAP-3600 @deap3600.bsky.social · 14/08/2025

10–13 Aug 2025, the DEAP-3600 team gathered at Carleton University — in person and online — to exchange results, spark ideas, and set new goals. These face-to-face moments keep our collaboration strong in the hunt for #darkmatter’s secrets. #DEAP3600 #meetings @carleton.ca

Group photo of 33 DEAP-3600 collaboration members standing on a small stage in front of a black curtain at Carleton University. The group includes men and women of different ages, dressed casually, smiling at the camera.

061

DEAP-3600 @deap3600.bsky.social · 10/08/2025

One of our recent publications appeared in EPJ C last month. Using 3.4 years of data, the #DEAP3600 experiment measured the half-life of a 39Ar isotope—and found it’s significantly longer than expected. 📄 inspirehep.net/literature/2... @inspirehep.net @snolabscience.bsky.social #darkmatter

071

Reposted by DEAP-3600

SNOLAB @snolabscience.bsky.social · 05/08/2025

The Canadian Astroparticle Summer Student Talk (CASST) Symposium is taking place on August 12th and August 13th. The deadline to submit an abstract has been extended until Friday, August 9th. For more information and to register, visit here: indico.snolab.ca/event/32/ove....

042

DEAP-3600 @deap3600.bsky.social · 01/08/2025

🤩DEAP-3600 on the cover! The iconic image of our detector is featured in the August 2025 special edition of the Canadian Journal of Physics - Astroparticle Physics in Canada. #darkmatter, #neutrinos & more! 🔗 cdnsciencepub.com/toc/cjp/103/8 #DEAP3600 #Astrophysics @snolabscience.bsky.social

cdnsciencepub.com

Canadian Science Publishing

081