SP

S. Posen

0000-0002-6499-306X

physics.acc-phcond-mat.supr-conhep-exhep-phcond-mat.mtrl-sciphysics.ins-detquant-phastro-ph.IMgr-qcphysics.optics

On Valency

published · living versions

A pathway to improve Nb $_3$ Sn for SRF accelerator cavities via Zr inclusion

with M. Tripathi, M. S. Shakel, J. Lee, H. E. Elsayed-Ali +1

1 version

W_vrs5uufnv1 · current

Preprints & journals

55 papers in the corpus · 2013–2026

Cryogenic RF characterization of the MAGO cavity for high-frequency gravitational-wave detection

Can Dokuyucu, Bianca Giaccone, Tom Krokotsch et al.

0 citations

2607.02476v12026arXiv

Improved Dark Photon Sensitivity from a Superconducting-Radio-Frequency-Cavity Experiment.

Kalia, Saarik, Liu, Zhen, Giaccone, Bianca et al.

1 citation

419317852026Physical review letters. 2026;136(11):111802

Microwave Vortex Motion Characterization of Nb $_3$ Sn Coatings for Applications in High Magnetic Fields

Pablo Vidal Garc'ia, Andrea Alimenti, Dorothea Fonnesu et al.

0 citations

2603.19027v12026IEEE Transactions on Applied Superconductivity, vol. 36, no. 5, pp. 1-5, Aug. 2026, Art no. 3500705

Broad frequency tuning of a Nb $_{3}$ Sn superconducting microwave cavity for dark matter searches

D. Maiello, R. Di Vora, D. Ahn et al.

0 citations

2603.08175v12026arXiv

Superconducting Low-beta Nb $_3$ Sn Cavity for ATLAS and Future Ion Accelerators

T. Petersen, G. Eremeev, B. Tennis et al.

0 citations

2509.17934v22025arXiv

United States Muon Collider Community White Paper for the European Strategy for Particle Physics Update

A. Abdelhamid, D. Acosta, P. Affleck et al.

0 citations

2503.23695v32025arXiv

Nuclear spin coherence in superconducting Nb $_3$ Sn

Gan Zhai, William P. Halperin, Arneil P. Reyes et al.

0 citations

2502.00566v32025arXiv

Analysis of Niobium Electropolishing Using a Generalized Distribution of Relaxation Times Method

Eric Viklund, Vijay Chouhan, Davida Smith et al.

0 citations

2501.08588v12025arXiv

First characterisation of the MAGO cavity, a superconducting RF detector for kHz-MHz gravitational waves

Lars Fischer, Bianca Giaccone, Ivan Gonin et al.

3 citations

2411.18346v22024Class. Quantum Grav. 42 (2025) 115015

An Improved Bound on Nonlinear Quantum Mechanics using a Cryogenic Radio Frequency Experiment

Oleksandr Melnychuk, Bianca Giaccone, Nicholas Bornman et al.

1 citation

2411.09611v12024arXiv

A Precision Gyroscope from the Helicity of Light

Michael A. Fedderke, Roni Harnik, David E. Kaplan et al.

2 citations

2406.16178v22024Phys. Rev. A 111, 043502 (2025)

Healing Gradient Degradation in Nb3Sn SRF Cavities Using a Recoating Method

Eric Viklund, David N. Seidman, Brad M. Tennis et al.

3 citations

2405.00211v12024arXiv

Nuclear Magnetic Resonance Investigation of Superconducting and Normal State Nb $_3$ Sn

Gan Zhai, William P. Halperin, Arneil P. Reyes et al.

1 citation

2311.00841v12023arXiv

Testing of the 2.6 GHz SRF Cavity Tuner for the Dark Photon Experiment at 2 K

C. Contreras-Martinez, B. Giaccone, I. Gonin et al.

0 citations

2307.10424v12023arXiv

PI Loop Resonance Control for Dark Photon Experiment at 2 K Using a 2.6 GHz SRF Cavity

C. Contreras-Martinez, B. Giaccone, O. Melnychuk et al.

0 citations

2307.10433v12023arXiv

Commissioning of Dedicated Furnace for Nb3Sn Coatings of 2.6 GHz Single Cell Cavities

P.A. Kulyavtsev (1, G. Eremeev, S. Posen et al.

0 citations

2307.08844v12023arXiv

Preservation of the High Quality Factor and Accelerating Gradient of Nb3Sn-coated Cavity During Pair Assembly

G. Eremeev, U. Pudasaini, S. Cheban et al.

1 citation

2307.10268v12023arXiv

HELEN: Traveling Wave SRF Linear Collider Higgs Factory

S. Belomestnykh (3, P. C. Bhat, A. Grassellino et al.

2 citations

2307.06248v12023arXiv

Search for Dark Photons with Superconducting Radio Frequency Cavities.

Romanenko, A, Harnik, R, Grassellino, A et al.

52 citations

374507972023Physical review letters. 2023;130(26):261801

Phase-controlled improvement of photon lifetime in coupled superconducting cavities

Changqing Wang, Oleksandr S Melnychuk, Crispin Contreras-Martinez et al.

3 citations

2305.15662v22023arXiv

Improving Nb3Sn Cavity Performance Using Centrifugal Barrel Polishing

Eric Viklund (1, David N. Seidman, David Burk et al.

1 citation

2305.10226v12023arXiv

Measuring axion gradients with photon interferometry (MAGPI)

Michael A. Fedderke, Jedidiah O. Thompson, Raphael Cervantes et al.

10 citations

2304.11261v22023Phys. Rev. D 109, 015025 (2024)

Selective thermal evolution of native oxide layer in Nb and Nb3Sn-coated SRF grade Nb: An in-situ angular XPS study

Arely Cano, Grigory V. Eremeev, Juan R. Zuazo et al.

1 citation

2304.06112v12023arXiv

Evaluation of predictive correlation between flux expulsion and grain growth for superconducting radio frequency cavities

Zu Hawn Sung, Paulina Kulyavtsev, Martina Martinello et al.

4 citations

2303.14122v12023arXiv

New Exclusion Limit for Dark Photons from an SRF Cavity-Based Search (Dark SRF)

A. Romanenko, R. Harnik, A. Grassellino et al.

5 citations

2301.11512v12023arXiv

Muon Collider Forum Report

K.M. Black, S. Jindariani, D. Li et al.

5 citations

2209.01318v32022arXiv

RF Accelerator Technology R&D: Report of AF7-rf Topical Group to Snowmass 2021

Sergey Belomestnykh, Emilio A. Nanni, Hans Weise et al.

2 citations

2208.12368v12022arXiv

Deepest sensitivity to wavelike dark photon dark matter with superconducting radio frequency cavities

Raphael Cervantes, Jose Aumentado, Caterina Braggio et al.

30 citations

2208.03183v52022Phys. Rev. D 110, 043022 (2024)

Multi-modal electron microscopy study on decoherence sources and their stability in Nb based superconducting qubit

Jin-Su Oh, Xiaotian Fang, Tae-Hoon Kim et al.

1 citation

2204.06041v12022arXiv

Plasma Processing for In-Situ Field Emission Mitigation of Superconducting Radiofrequency (SRF) Cryomodules

M. Martinello, P. Berrutti, B. Giaccone et al.

3 citations

2203.12442v12022arXiv

Searches for New Particles, Dark Matter, and Gravitational Waves with SRF Cavities

Asher Berlin, Sergey Belomestnykh, Diego Blas et al.

12 citations

2203.12714v12022arXiv

Measurement of high quality factor superconducting cavities in tesla-scale magnetic fields for dark matter searches

S. Posen, M. Checchin, O.S. Melnychuk et al.

2 citations

2201.10733v42022arXiv

Plasma Cleaning of LCLS-II-HE verification cryomodule cavities

Bianca Giaccone, Paolo Berrutti, Martina Martinello et al.

5 citations

2201.09776v22022arXiv

LCLS-II-HE verification cryomodule high gradient performance and quench behavior

S. Posen, A. Cravatta, M. Checchin et al.

1 citation

2110.14580v12021arXiv

Development of a cryocooler conduction-cooled 650 MHz SRF cavity operating at ~10 MV/m cw accelerating gradient

R.C. Dhuley, S. Posen, M.I. Geelhoed et al.

8 citations

2108.09397v12021arXiv

Simulations of $Nb_{3}Sn$ Layer RF Field Limits Due to Thermal Impedance

Paulina Kulyavtsev, Grigory Eremeev, Sam Posen

2 citations

2104.01267v12021arXiv

Analysis of Magnetic Vortex Dissipation in Sn-Segregated Boundaries in Nb $_3$ Sn Superconducting RF Cavities

Jared Carlson, Alden Pack, Mark K. Transtrum et al.

35 citations

2003.03362v32020Phys. Rev. B 103, 024516 (2021)

Grain-boundary structure and segregation in Nb3Sn coatings on Nb for high-performance superconducting radiofrequency cavity applications

Jaeyel Lee, Zugang Mao, Kai He et al.

46 citations

1907.00476v22019Acta Materialia, 188, 155-165 (2020)

The Role of Magnetic Flux Expulsion to Reach Q0>3x10^10 in SRF Cryomodules

S. Posen, G. Wu, E. Harms et al.

28 citations

1812.03950v12018Phys. Rev. Accel. Beams 22, 032001 (2019)

Field-Enhanced Superconductivity in High-Frequency Niobium Accelerating Cavities.

Martinello, M, Checchin, M, Romanenko, A et al.

35 citations

305476162018Physical review letters. 2018;121(22):224801

Three-dimensional superconducting resonators at $T < 20$ mK with the photon lifetime up to $\tau=2$ seconds

A. Romanenko, R. Pilipenko, S. Zorzetti et al.

195 citations

1810.03703v22018Phys. Rev. Applied 13, 034032 (2020)

Atomic scale analysis of Nb3Sn on Nb prepared by a vapor-diffusion process for superconducting radiofrequency cavity applications

Jaeyel Lee, Sam Posen, Zugang Mao et al.

42 citations

1807.03898v22018Supercond. Sci. Technol. 32 (2019) 024001

Accelerating fields up to 49 MV/m in TESLA-shape superconducting RF niobium cavities via 75C vacuum bake

A. Grassellino, A. Romanenko, D. Bice et al.

28 citations

1806.09824v12018arXiv

The Effect of Mechanical Cold Work on the Magnetic Flux Expulsion of Niobium

S. Posen, S. K. Chandrasekaran, A. C. Crawford et al.

5 citations

1804.07207v12018arXiv

Frequency dependence of trapped flux sensitivity in SRF cavities

Mattia Checchin, Martina Martinello, Anna Grassellino et al.

22 citations

1711.05902v12017arXiv

Advancement in the understanding of the field and frequency dependent microwave surface resistance of niobium

M. Martinello, S. Aderhold, S. K. Chandrasekaran et al.

7 citations

1707.07582v12017arXiv

Unprecedented Quality Factors at Accelerating Gradients up to 45 MV/m in Niobium Superconducting Resonators via Low Temperature Nitrogen Infusion

A. Grassellino, A. Romanenko, Y. Trenikhina et al.

158 citations

1701.06077v12017arXiv

Effect of interstitial impurities on the field dependent microwave surface resistance of niobium

M. Martinello, A. Grassellino, M. Checchin et al.

55 citations

1606.04174v12016Appl. Phys. Lett. 109, 062601 (2016)

Quench-Induced Degradation of the Quality Factor in Superconducting Resonators

M. Checchin, M. Martinello, A. Romanenko et al.

23 citations

1605.00272v12016Phys. Rev. Applied 5, 044019 (2016)

Efficient expulsion of magnetic flux in superconducting RF cavities for high $Q_0$ applications

S. Posen, A. Grassellino, A. Romanenko et al.

80 citations

1509.03957v32015arXiv

Career total: 206 works. 55 are in this corpus.Showing the 50 most recent.

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