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G. Hartwell · SciRah

Researcher profile · Semantic Scholar

G. Hartwell

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G. Hartwell — researcher profile on SciRah

h-index: 15
Works: 152
Citations: 1,552

Most-cited papers

Morbidity and mortality in homeless individuals, prisoners, sex workers, and individuals with substance use disorders in high-income countries: a systematic review and meta-analysis
R. Aldridge, A. Story, Stephen W. Hwang, M. Nordentoft +6 more
2017The Lancet702 citations Open access
Semantic Scholar
Patient-reported outcomes of cancer survivors in England 1–5 years after diagnosis: a cross-sectional survey
A. Glaser, L. Fraser, J. Corner, R. Feltbower +3 more
2013BMJ Open131 citations Open access
Semantic Scholar
E-cigarettes and equity: a systematic review of differences in awareness and use between sociodemographic groups
G. Hartwell, S. Thomas, M. Egan, A. Gilmore +1 more
2016Tobacco Control127 citations Open access
Semantic Scholar
Vaping and harm in young people: umbrella review
S. Golder, G. Hartwell, Lily Barnett, S. Nash +2 more
2025Tobacco Control55 citations Open access
Semantic Scholar
Has industry funding biased studies of the protective effects of alcohol on cardiovascular disease? A preliminary investigation of prospective cohort studies
J. Mccambridge, G. Hartwell
2014Drug and Alcohol Review37 citations Open access
Semantic Scholar
The importance of school culture in supporting student mental health in secondary schools. Insights from a qualitative study
R. Barker, G. Hartwell, M. Egan, K. Lock
2023British Educational Research Journal36 citations Open access
Semantic Scholar
Design, Construction, and Operation of the Compact Toroidal Hybrid
G. Hartwell, S. Knowlton, James D. Hanson, D. Ennis +1 more
201728 citations
Semantic Scholar
Low edge safety factor operation and passive disruption avoidance in current carrying plasmas by the addition of stellarator rotational transform
M. Pandya, M. ArchMiller, M. Cianciosa, D. Ennis +10 more
201527 citations
Semantic Scholar
Research priorities for mental health in schools in the wake of COVID-19
R. Barker, G. Hartwell, C. Bonell, M. Egan +2 more
2021Journal of Epidemiology and Community Health22 citations Open access
Semantic Scholar
The Promotion of Oral Nicotine Pouches for Non-Smoking Cessation Purposes on TikTok
M. Zenone, Bethan Harries, G. Hartwell
2025Nicotine & Tobacco Research20 citations Open access
Semantic Scholar
Exploration of non-resonant divertor features on the Compact Toroidal Hybrid
K. A. Garcia, A. Bader, H. Frerichs, G. Hartwell +3 more
2023Nuclear Fusion20 citations Open access
Semantic Scholar
Suppression of vertical instability in elongated current-carrying plasmas by applying stellarator rotational transforma)
M. ArchMiller, M. Cianciosa, D. Ennis, J. Hanson +8 more
201418 citations
Semantic Scholar
Understanding decisions to use e-cigarettes or behavioural support to quit tobacco: a qualitative study of current and ex-smokers and stop smoking service staff.
G. Hartwell, M. Egan, M. Petticrew
2020Addiction15 citations Open access
Semantic Scholar
Smartphones, social media, and teenage mental health
G. Hartwell, M. Gill, Marco Zenone, M. McKee
2024British medical journal14 citations
Semantic Scholar
Minimum magnetic curvature for resilient divertors using Compact Toroidal Hybrid geometry
A. Bader, C. Hegna, M. Cianciosa, G. Hartwell
201813 citations Open access
Semantic Scholar
Commercial determinants of mental ill health: An umbrella review
Kate Dun-Campbell, G. Hartwell, N. Maani, A. Tompson +2 more
2024PLOS Global Public Health12 citations Open access
Semantic Scholar
Non-axisymmetric equilibrium reconstruction of a current-carrying stellarator using external magnetic and soft x-ray inversion radius measurements
X. Ma, D. Maurer, S. Knowlton, M. ArchMiller +9 more
201512 citations Open access
Semantic Scholar
E-cigarettes: threat or opportunity?
A. Gilmore, G. Hartwell
2014European Journal of Public Health12 citations Open access
Semantic Scholar
Advances in neutral tungsten ultraviolet spectroscopy for the potential benefit to gross erosion diagnosis
C. Johnson, David Ennis, S. Loch, G. Hartwell +7 more
2019Plasma Physics and Controlled Fusion11 citations Open access
Semantic Scholar
Design and initial operation of a two-color soft x-ray camera system on the Compact Toroidal Hybrid experiment.
J. Herfindal, J. Dawson, D. Ennis, G. Hartwell +2 more
2014Review of Scientific Instruments10 citations
Semantic Scholar
Design and implementation of a multichannel millimeter wave interferometer for the Compact Toroidal Hybrid experiment.
M. Miller, James D. Hanson, G. Hartwell, S. Knowlton +2 more
2012Review of Scientific Instruments10 citations
Semantic Scholar
Google allows advertisers to target the sensitive informational queries of cancer patients
Marco Zenone, Alessandro R. Marcon, Nora Kenworthy, May C. I. van Schalkwyk +3 more
2024Harvard Kennedy School Misinformation Review7 citations Open access
Semantic Scholar
The health impact of social exclusion: a systematic review and meta-analysis of morbidity and mortality data from homeless, prison, sex work and substance use disorder populations in high-income countries
R. Aldridge, A. Story, Stephen W. Hwang, M. Nordentoft +6 more
20177 citations
Semantic Scholar
Feeling lonely in the online crowd: what TikTok tells us about young people and loneliness
Bethan Harries, M. Zenone, G. Hartwell
2025Health Promotion International5 citations Open access
Semantic Scholar
A thematic analysis of tobacco industry responses to the Scottish Government’s consultation on e-cigarette regulation
Bill Hamilton, R. Ponsford, G. Hartwell
2024Health Promotion International5 citations Open access
Semantic Scholar
Addressing the commercial determinants of mental health: an umbrella review of population-level interventions
A. Tompson, Muhammed Alkasaby, Tahrima Choudhury, Kate Dun-Campbell +5 more
2024Health Promotion International5 citations Open access
Semantic Scholar
A comparative study of industry responses to government consultations about alcohol and gambling in the UK
Saloni Bhuptani, S. Boniface, K. Severi, G. Hartwell +1 more
2023European Journal of Public Health5 citations Open access
Semantic Scholar
Commercial determinants of mental health
A. Tompson, Claire Mulrenan, G. Hartwell, M. Petticrew +2 more
2022British medical journal5 citations
Semantic Scholar
Sawtooth oscillation behavior with varying amounts of applied stellarator rotational transform
J. Herfindal, D. Maurer, G. Hartwell, D. Ennis +6 more
2019Physics of Plasmas5 citations Open access
Semantic Scholar
Determination of current and rotational transform profiles in a current-carrying stellarator using soft x-ray emissivity measurements
X. Ma, M. Cianciosa, D. Ennis, J. Hanson +6 more
20185 citations
Semantic Scholar
Ethical challenges confronted in non-clinical, public health research with young people in England
R. Barker, R. Plackett, A. Price, K. Canvin +2 more
2025Qualitative Research4 citations Open access
Semantic Scholar
Alternative cancer clinics’ use of Google listings and reviews to mislead potential patients
M. Zenone, J. Snyder, May C. I. van Schalkwyk, Jean-Christophe Bélisle-Pipon +3 more
2024BJC Reports4 citations Open access
Semantic Scholar
Sunak’s smoke-free generation: spare a thought for the tobacco industry
G. Hartwell, A. Gilmore, May C. I. van Schalkwyk, M. McKee
2023British medical journal4 citations Open access
Semantic Scholar
Thomson scattering diagnostic system design for the Compact Toroidal Hybrid experiment.
P. Traverso, D. Maurer, D. Ennis, G. Hartwell +4 more
2014Review of Scientific Instruments4 citations
Semantic Scholar
Calculation of Eddy Currents in the CTH Vacuum Vessel and Coil Frame for Use in MHD Equilibrium Reconstruction of the Plasma Discharge
A. Zolfaghari, A. Brooks, A. Michaels, James D. Hanson +1 more
20134 citations
Semantic Scholar
Does better than expected life expectancy in areas of disadvantage indicate health resilience? Stakeholder perspectives and possible explanations.
Rebecca Mead, C. Rinaldi, E. McGill, M. Egan +5 more
2024Health and Place3 citations Open access
Semantic Scholar
Panning for Gold: New Emission Lines from UV–VIS Spectroscopy of Au i and Au ii
S. Bromley, C. Johnson, David Ennis, G. Hartwell +6 more
2020Astrophysical Journal Supplement Series3 citations Open access
Semantic Scholar
Hall probe measurements of the poloidal magnetic field in Compact Toroidal Hybrid plasmas.
B. A. Stevenson, S. F. Knowlton, G. Hartwell, James D. Hanson +1 more
2014Review of Scientific Instruments3 citations Open access
Semantic Scholar
Selling Misleading “Cancer Cure” Books on Amazon: Systematic Search on Amazon.com and Thematic Analysis
M. Zenone, M. V. van Schalkwyk, G. Hartwell, Timothy Caulfield +1 more
2024Journal of Medical Internet Research2 citations Open access
Semantic Scholar
U-turns or no turns? Charting a safer course in health policy
G. Hartwell, M. Mckee
2021Journal of the Royal Society of Medicine2 citations Open access
Semantic Scholar
The magnetic structure of long-wavelength magnetohydrodynamic modes in current-carrying stellarator plasmas
M. Pandya, D. Ennis, J. Hanson, G. Hartwell +1 more
2021Physics of Plasmas2 citations Open access
Semantic Scholar
Control of Sawtooth Oscillation Dynamics using Externally Applied Stellarator Transform
J. Herfindal, D. Ennis, G. Hartwell, S. Knowlton +2 more
20162 citations
Semantic Scholar
Prevention and postvention guidance relating to self-harm and suicide for UK educational and youth organisations: a systematic review of grey literature
E. Widnall, H. Robinson, Lingyi Wang, G. Hartwell +8 more
2026BMC Public Health1 citations Open access
Semantic Scholar
Implementation of coherence imaging spectroscopy for ion flow measurements in the Compact Toroidal Hybrid experiment
N. Allen, D. Ennis, S. Allen, C. Samuell +4 more
2023Journal of Instrumentation1 citations Open access
Semantic Scholar
Use of e-Cigarettes and Attendance at Stop Smoking Services: A Population Survey in England
G. Hartwell, M. Egan, Jamie Brown, T. Pliakas +1 more
2022Toxics1 citations Open access
Semantic Scholar
Plasma disruption avoidance using non-axisymmetric shaping with stellarator fields
D. Maurer, M. ArchMiller, M. Cianciosa, D. Ennis +9 more
20141 citations
Semantic Scholar
Overview of Results from the Compact Toroidal Hybrid Experiment
G. Hartwell, M. ArchMiller, M. Cianciosa, J. Hanson +7 more
20131 citations
Semantic Scholar
Demonstration of how group model building can be used to understand barriers and facilitators to “at-risk” young people’s access to community assets for mental health support: a participatory study
H. Fisher, V. Er, B. Longdon, S. Gnani +6 more
2026Health Research Policy and Systems0 citations Open access
Semantic Scholar
Alcohol, Cardiovascular Disease, and Industry Influence: A Meta-review
S. Golder, O. Lau, G. Hartwell, L. Blanchard +4 more
2026medRxiv0 citations Open access
Semantic Scholar
P78 The implementation of an intervention to promote sustainable and healthier food choices in online supermarkets: a qualitative process evaluation
Oliver Huse, Suzan Hassan, B. Savory, G. Hartwell +6 more
2025SSM Annual Scientific Meeting0 citations
Semantic Scholar

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J. Herfindal×9
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