Jose Mourinho believes Manchester United will finalize talks with goalkeeper David de Gea and agree on a new deal.On Thursday, Manchester United triggered a one-year extension in De Gea’s contract as his old deal was due to expire in the summer.Currently, talks are ongoing for a new long-term contract and Mourinho is positive that the 28-year-old will sign a new deal soon to stay at United beyond 2020.“He wants to stay, and of course I want him to stay. He is the level of player Manchester United needs,” Mourinho told Sky Sports.“Manchester United needs the best players in the world. If we want to be Manchester United, we need the best players in the world.Maguire says United need to build on today’s win George Patchias – September 14, 2019 Harry Maguire wants his United teammates to build on the victory over Leicester City.During the summer, Harry Maguire was referred to as the ultimate…“We have the best goalkeeper in the world. Obviously, the manager wants him to stay and the board wants him to stay.“David wants to stay and his agent [Jorge Mendes, who also represents Mourinho] wants him to do what the player wants – he is not the kind of agent that is manipulative, like others and tries to influence the player.“His agent will let him think and decide by himself, so I think the point is just to agree on the contract that the club wants to give and the player wants to accept.“That is just my feeling, but I think they (the talks) are going to finish well.”
West Ham captain Mark Noble welcomed the news that Declan Rice had signed a new long-term contract and expects big things from him in the futureThe 19-year-old midfielder has already made 51 appearances for West Ham after graduating the academy and he’s now committed his future to the club until June 2024.And Noble, who himself came through the youth ranks, is delighted with the news that Rice will be sticking around and revealed the advice he gave him.“It is fantastic news for both Declan and for the football club,” Noble told the club website.Jose Mourinho is sold on Lampard succeeding at Chelsea Tomás Pavel Ibarra Meda – September 14, 2019 Jose Mourinho wanted to give his two cents on Frank Lampard’s odds as the new Chelsea FC manager, he thinks he will succeed.There really…“I have spoken to him regularly about his situation and Declan is on a massive high now. He’s come into the team, he’s playing fantastically well and now he has signed a new long-term contract, which he thoroughly deserves.“I’ve said to him that I’m always here for him because times aren’t always good and aren’t always smooth playing in the Premier League at a high level, so I’ve told him to keep learning, keep improving and keep enjoying it.“For him, I think the sky is the limit and I’ve always said that. He’s a top player and every day that I can help him along in his journey is something to be proud of.”West Ham will face Burnley on Sunday at Turf Moor in the Premier League.
Journal information: Science Explore further Citation: Measurement of the fine-structure constant casts doubt on dark photon theories (2018, April 13) retrieved 18 August 2019 from https://phys.org/news/2018-04-fine-structure-constant-dark-photon-theories.html NA64 hunts the mysterious dark photon Precision measurements of the fine-structure constant. A comparison of measurements. “0” on the plot is the CODATA 2014 recommended value. The green points are from photon recoil experiments; the red ones are from electron ge − 2 measurements. The inset is a close-up view of the bottom three measurements. Error bars indicate 1s uncertainty. StanfU, Stanford University; UWash, University of Washington; LKB, Laboratoire Kastler Brossel; HarvU, Harvard University. Credit: Science (2018). DOI: 10.1126/science.aap7706 This document is subject to copyright. Apart from any fair dealing for the purpose of private study or research, no part may be reproduced without the written permission. The content is provided for information purposes only. A team of researchers from the University of California and Lawrence Berkeley National Laboratory has conducted an ultra-precise measurement of the fine-structure constant, and in so doing, have found evidence that casts doubts on dark photon theory. In their paper published in the journal Science, the group describes their measurement process and what they found by using it. © 2018 Phys.org More information: Richard H. Parker et al. Measurement of the fine-structure constant as a test of the Standard Model, Science (2018). DOI: 10.1126/science.aap7706AbstractMeasurements of the fine-structure constant α require methods from across subfields and are thus powerful tests of the consistency of theory and experiment in physics. Using the recoil frequency of cesium-133 atoms in a matter-wave interferometer, we recorded the most accurate measurement of the fine-structure constant to date: α = 1/137.035999046(27) at 2.0 × 10−10 accuracy. Using multiphoton interactions (Bragg diffraction and Bloch oscillations), we demonstrate the largest phase (12 million radians) of any Ramsey-Bordé interferometer and control systematic effects at a level of 0.12 part per billion. Comparison with Penning trap measurements of the electron gyromagnetic anomaly ge − 2 via the Standard Model of particle physics is now limited by the uncertainty in ge − 2; a 2.5σ tension rejects dark photons as the reason for the unexplained part of the muon’s magnetic moment at a 99% confidence level. Implications for dark-sector candidates and electron substructure may be a sign of physics beyond the Standard Model that warrants further investigation. The fine-structure constant is a number that characterizes the strength of the force of electromagnetic interactions between charged particles, such as those that are involved in keeping electrons from traveling outside of their atoms. Up until now, it has been derived using the magnetic properties of electrons and calculations that are still considered to be theoretical. As the researchers note, more precise measurements allow for testing the Standard Model of particle physics. To that end, they sought to measure the constant through more direct means. To accomplish this feat, they aimed a laser at cesium-133 atoms (matter-wave interferometry) to force them into quantum superposition and then took a close look at what happened between them as they relaxed back to their natural state. The interference that occurred, the team reports, revealed the speed at which the atoms traveled when they were struck by the laser—they used that number to determine the fine-structure constant. They claim their work has allowed for calculating the fine-structure constant to better than one part per billion.The researchers report that the number they determined has closely matched the theory, which offers some confirmation of theories that suggest electrons are not made up of smaller, unknown particles. But it also casts doubt on theories surrounding the existence of dark photons.Dark photons, theory has suggested, are particles nearly identical to photons, but have mass. They may also interact with other particles. If proof could be found of their existence, it would bolster theories regarding dark matter in general, because dark matter theory suggests they would be the force carrier. On the bright side, because the number they extracted was close to that theorized, but not exact, there is still room for other particle theories to explain the discrepancy.