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The present law on rights of residence relies heavily on a licence-based analysis resting in large part on the seminal work of Professor Harvey. However, since the 1970s, the law of licences, and in particular their proprietary effect, has been in retreat. This has left the licence approach exposed and rights of residence in need of a reappraisal.

1. On 28 August 2019, the Queen in Council made an Order proroguing Parliament from, at the earliest, 9 September until 14 October. Concerned that the prorogation was devised to prevent any attempt...

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Background Periodontal disease is preventable but remains the most common oral disease worldwide, with major health and economic implications. Stakeholders lack reliable evidence of the relative clinical effectiveness and cost-effectiveness of different types of oral hygiene advice (OHA) and the optimal frequency of periodontal instrumentation (PI). Objectives To test clinical effectiveness and assess the economic value of the following strategies: personalised OHA versus routine OHA, 12-monthly PI (scale and polish) compared with 6-monthly PI, and no PI compared with 6-monthly PI. Design Multicentre, pragmatic split-plot, randomised open trial with a cluster factorial design and blinded outcome evaluation with 3 years’ follow-up and a within-trial cost–benefit analysis. NHS and participant costs were combined with benefits [willingness to pay (WTP)] estimated from a discrete choice experiment (DCE). Setting UK dental practices. Participants Adult dentate NHS patients, regular attenders, with Basic Periodontal Examination (BPE) scores of 0, 1, 2 or 3. Intervention Practices were randomised to provide routine or personalised OHA. Within each practice, participants were randomised to the following groups: no PI, 12-monthly PI or 6-monthly PI (current practice). Main outcome measures Clinical – gingival inflammation/bleeding on probing at the gingival margin (3 years). Patient – oral hygiene self-efficacy (3 years). Economic – net benefits (mean WTP minus mean costs). Results A total of 63 dental practices and 1877 participants were recruited. The mean number of teeth and percentage of bleeding sites was 24 and 33%, respectively. Two-thirds of participants had BPE scores of ≤ 2. Under intention-to-treat analysis, there was no evidence of a difference in gingival inflammation/bleeding between the 6-monthly PI group and the no-PI group [difference 0.87%, 95% confidence interval (CI) –1.6% to 3.3%; p = 0.481] or between the 6-monthly PI group and the 12-monthly PI group (difference 0.11%, 95% CI –2.3% to 2.5%; p = 0.929). There was also no evidence of a difference between personalised and routine OHA (difference –2.5%, 95% CI –8.3% to 3.3%; p = 0.393). There was no evidence of a difference in self-efficacy between the 6-monthly PI group and the no-PI group (difference –0.028, 95% CI –0.119 to 0.063; p = 0.543) and no evidence of a clinically important difference between the 6-monthly PI group and the 12-monthly PI group (difference –0.097, 95% CI –0.188 to –0.006; p = 0.037). Compared with standard care, no PI with personalised OHA had the greatest cost savings: NHS perspective –£15 (95% CI –£34 to £4) and participant perspective –£64 (95% CI –£112 to –£16). The DCE shows that the general population value these services greatly. Personalised OHA with 6-monthly PI had the greatest incremental net benefit [£48 (95% CI £22 to £74)]. Sensitivity analyses did not change conclusions. Limitations Being a pragmatic trial, we did not deny PIs to the no-PI group; there was clear separation in the mean number of PIs between groups. Conclusions There was no additional benefit from scheduling 6-monthly or 12-monthly PIs over not providing this treatment unless desired or recommended, and no difference between OHA delivery for gingival inflammation/bleeding and patient-centred outcomes. However, participants valued, and were willing to pay for, both interventions, with greater financial value placed on PI than on OHA. Future work Assess the clinical effectiveness and cost-effectiveness of providing multifaceted periodontal care packages in primary dental care for those with periodontitis. Trial registration Current Controlled Trials ISRCTN56465715. Funding This project was funded by the National Institute for Health Research (NIHR) Health Technology Assessment programme and will be published in full in Health Technology Assessment; Vol. 22, No. 38. See the NIHR Journals Library website for further project information.

The oath taken by British sovereigns at their coronations is laid down by a statute dating from 1688. Any oath taken other than in accordance with the correct statutory form is contrary to law. Taking the authorised form of the oath is a condition on which the crown is held by any individual. The oath taken by the present sovereign omitted the promise to govern according to the statutes agreed upon in Parliament. Any variance from the statutory form is problematic but the clause omitted is the clause that most clearly expresses the central concern of the Williamite settlement. The deficiencies in the oath taken, while reasonably apparent, do not appear to have been judicially recognised hitherto. The legal basis of the present oath has been raised in the political sphere but potential difficulties have been set aside on grounds of expediency. Given the unlawfulness of the oath taken, there is a political and constitutional imperative in establishing that deficiencies in the oath do not fatally taint the reign which follows. This article will advance two possible legal means of reconciling an improper oath with a perfectly valid reign.

This document is intended as a study of benchmark cross sections at the LHC (at 7 TeV) at NLO using modern parton distribution functions currently available from the 6 PDF fitting groups that have participated in this exercise. It also contains a succinct user guide to the computation of PDFs, uncertainties and correlations using available PDF sets. A companion note, also submitted to the archive, provides an interim summary of the current recommendations of the PDF4LHC working group for the use of parton distribution functions and of PDF uncertainties at the LHC, for cross section and cross section uncertainty calculations., 35 pages

We discuss two different models for the impact parameter dependent dipole cross section: one based on DGLAP evolution and the other inspired by the Balitsky-Kovchegov equation. The parameters are determined from fits to data on the total gamma* p cross section measured at HERA. The impact parameter dependent saturation scale is extracted. Predictions are then confronted with HERA data on exclusive diffractive vector meson production and deeply virtual Compton scattering. Finally, predictions are given for the cross sections of exclusive photoproduced J/psi and Upsilon mesons, and Z^0 bosons, expected at the Tevatron and LHC., 4 pages, 4 figures. To appear in the proceedings of the 16th International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS 2008), London, England, 7-11 April 2008

In May 2007 the EPLA Board of Directors welcomed the CERN initiative for the creation of a Sponsoring Consortium for Open Access Publishing in Particle Physics (SCOAP3) and agreed to enter into negotiations to enable high energy physics papers to be published in EPL with selective open access. At a subsequent meeting in August 2007, the Board decided to offer substantial initial discount while open access remained a small fraction of the content of EPL. A necessary precursor to negotiation with SCOAP3 is a general open access policy. The Directors agreed that this policy should offer a free-to-read option for all authors in all sections of EPL and so provide fair opportunities across the broad range of physics covered by EPL. The policy for the journal should allow individual authors, their institutions, funding agencies or sponsoring consortia to pay for published articles to be freely available to all, permanently. The Board stressed the importance of maintaining EPL as a refereed journal with robust and reliable content, in contrast to a repository or preprint server. EPL would remain a subscription journal for content that is not free to read and authors, institutions or funding agencies may choose to pay for their articles to be open access. As an initial step in this open access venture, a single-article fee of € 1000 ($ 1330) can now be paid by individuals who choose to have their article published free to all. This pricing, which is substantially discounted, ensures that EPL remains competitive with other similar journals. EPL will continue to ensure this policy is sustainable although the journal must remain financially viable and the pricing scheme will be under continual review. At this stage we welcome enquires concerning an institutional membership fee that would allow that institute to pay in advance for open access publications in EPL for authors from that institute. The fee would follow a band structure, based on the number of articles that institute expects to publish over the coming year. Meanwhile we would like to thank all Authors for their submissions, all Referees for their reviews, all Co-Editors for their editorial processing throughout 2007 and we look forward to developing and expanding EPL activities during 2008. Please visit the website regularly (http://www.epljournal.org) to remain up-to-date with the latest developments with EPL and to read the most recently published articles. Remember all articles are already free to read for 30 days from their online publication date. If you have comments or questions about changes taking place in 2008, please e-mail us at info@epljournal.org or editorial.office@epletters.net. With our best wishes for 2008!

The first submillimeter solar observations from the 15 m James Clerk Maxwell Telescope (JCMT) on Mauna Kea are reported. The JCMT submillimeter heterodyne receiver is used to observe the sun in 850 micron radiation. These are the first submillimeter observations of features on the size scale of the chromospheric supergranular network and of sunspots. A comparison is made between 850 micron images and calcium K line images of the chromospheric supergranular network in the quiet sun and in plage. Images of sunspots are given, noting that their 850 micron brightness is comparable to, or somewhat greater than, that of the quiet sun.

We consider the role of the perturbative Pomeron-to-parton splitting in the formation of the diffractive parton distributions., Comment: 8 pages, 4 figures. To appear in the proceedings of the 12th International Conference on Elastic and Diffractive Scattering: Forward Physics and QCD, DESY, Hamburg, Germany, 21-25 May 2007