A 70-year-old man was allegedly stoned to death by some monkeys in a village here, putting the police in a fix as the deceased’s family wants an FIR to be registered against them. The incident took place on October 17 in Tikri village of the district. Circle officer Ramala Rajiv Pratap Singh told PTI that the deceased was sleeping near a pile of bricks when some monkeys jumped on the bricks. The pile of bricks collapsed and fell on Dharampal, leaving him injured. He was taken to hospital where he succumbed. Giving a different narrative, Krishnapal Singh, the brother of the deceased, in his complaint has said that Dharampal was collecting woods for a havan when he was attacked by the monkeys. Bricks were thrown at his head and chest, and he succumbed to injuries at the hospital.“We have submitted a written complaint against the monkeys, but the police is terming it as an accident,” he said. He said they will now meet senior officials and request them to initiate action in this regard.
India’s Gurbaj Singh (right) battles for the ball with South Korea’s Lee Nam-yong during the semifinal match at the 17th Asian Games in Incheon, South Korea, on Tuesday, September 30, 2014. Photo: APThe Indian men’s hockey team has made it to the finals of the Asian Games after 12 years by defeating South Korea at Incheon on Tuesday.The sole deciding goal of the match came from Akashdeep Singh in the third quarter, which will now see India fighting it out for the gold medal game at the Seonhak Hockey Stadium.South Korea tried its best for the equalising goal but the solid Indian defense led by Ramandeep Singh didn’t allow any plausible chances.Akashdeep’s goal, which gave India the slim margin of 1-0, came in the dying minutes of the 3rd quarter.The road to the semi-final, however, hasn’t been too easy for the Indian men. The Sardar Singh-led side came back well after losing a tense third Pool B game against Pakistan 1-2 to put it across China 2-0 in their fourth and last league match to qualify for the last-four at the Seonhak hockey stadium.India, who last won a gold in the 1998 Bangkok edition under Dhanraj Pillay’s captaincy, are once again looking for a top finish and gain a direct entry into the 2016 Rio Olympics.
Scientists have proposed a method in which beryllium could have been produced in the first few minutes of the Universe. Beryllium is not generally thought to have been produced until much later. Image credit: Alchemist-hp. CC BY-SA, Wikimedia. (PhysOrg.com) — Some chemical elements appear much more abundantly in nature than others, which is partly due to how the elements originally formed. Scientists know that the light elements (hydrogen, deuterium, helium, and traces of lithium) were produced by fusion in the early Universe. Today, lithium, beryllium, and boron are constantly being produced in cosmic rays, while the heavier elements (up to iron) are formed by fusion in stars. Elements heavier than iron are formed by supernovae. “Looking at the abundance pattern of the light elements allows us to gain insight into the dynamics of the early Universe when it was a billion times hotter than it is today and only a few hundred seconds old,” Pradler told PhysOrg.com. “In our work we show that any process, such as the decay or annihilation of a relic particle species X, that dumps hadronic energy into this primordial mix sets off a chain of non-thermal nuclear reactions which culminates in the fusion of beryllium — an element otherwise out of reach by primordial standards.”Beryllium, along with lithium, can be observed in metal-deficient stars, which were formed from the nearly pristine interstellar gas. Scientists can identify the elements by using stellar spectroscopy to detect each element’s individual atomic resonance lines. Previous research has found that, in contrast to lithium, the beryllium in these stars is not of primordial origin. Whereas lithium’s value as a function of stellar metallicity plateaus at low metallicities, there is no plateau for beryllium. Instead, beryllium seems to be decreasing to smaller and smaller values as stellar metallicity decreases, and thus to more pristine mixtures of the interstellar gas from which the star formed.As the scientists explain, what makes beryllium so powerful in these stars is that, unlike lithium, it is not really affected by any stellar dynamics. Whereas lithium is fragile and may have been destroyed in the stars, beryllium is much stronger. For this reason, beryllium could be more useful for constraining nonstandard BBN models. “Many new particle physics models, including those which are currently searched for at the Large Hadron Collider (LHC) at CERN, predict long-lived massive states X,” Pradler said. “As the LHC is pushing the terrestrial energy frontier to search for new physics, these X particles could have copiously been produced in the Big Bang. The conversion of X’s rest mass into hadronic energy during its decay can be detected in an elevated beryllium abundance. The more energy is dumped, the higher the Be abundance will be. The isotope acts a calorimeter.”The scientists hope that future observations of metal-deficient stars may further tighten the limit on beryllium’s primordial abundance, and help to strengthen beryllium as a constraint on models of new physics.“One class of models our study targets are supersymmetric extensions of the Standard Model in which each ordinary particle gets assigned a ‘doppelgänger’ state,” Pradler said. “These states are typically heavy and it may well be that one of them has a lifetime such that it decays during or shortly after BBN. Indeed, it is even conceivable that the dark matter itself was produced in such decays. BBN can act as a powerful probe to test new physics beyond the Standard Model, and every model has to pass this cosmological consistency check.” Explore further 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. Citation: Primordial beryllium could reveal insights into the Big Bang (2011, April 21) retrieved 18 August 2019 from https://phys.org/news/2011-04-primordial-beryllium-reveal-insights-big.html Physicists Maxim Pospelov of the Perimeter Institute for Theoretical Physics in Waterloo, Ontario, and the University of Victoria in Victoria, British Columbia, along with Josef Pradler, also of the Perimeter Institute, explain in a new study that investigating how chemical elements are produced can lead to a better understanding of what happened during the early Universe. The physicists have specifically investigated how beryllium could be used as a “Big Bang calorimeter” to probe the energy levels in the early Universe, and also to serve as a constraint on new physics models. Their study is published in a recent issue of Physical Review Letters.In their analysis, Pospelov and Pradler have investigated what may have happened during Big Bang nucleosynthesis (BBN), a period that started about 3 minutes after the Big Bang and lasted for about 20 minutes. It was during this time that the first elements were produced, with the lightest elements in the greatest abundance. For instance, at that time only one lithium nucleus existed for every 10 billion hydrogen atoms. After BBN ended, the Universe became too cool to allow any further nuclear fusion reactions to take place. Until now, researchers have thought that beryllium could not have been produced during rather generic circumstances in BBN. But here, Pospelov and Pradler have shown that, when an unknown particle X decays under the conditions during BBN, it can release a large amount of energy that can lead to the production of 9Be, which is the only stable isotope of beryllium. The formation of 9Be occurs at the end of a chain of transformations, going through a few light element isotopes including 6He, eventually leading to the beryllium isotope. When the physicists calculated the efficiency of this chain of transformations, they found that the process could produce a beryllium/hydrogen abundance ratio of 10-14 (or 1 gram of beryllium per 10 million tonnes of hydrogen). Copyright 2010 PhysOrg.com. All rights reserved. This material may not be published, broadcast, rewritten or redistributed in whole or part without the express written permission of PhysOrg.com. Physicists demonstrate conditions for laser-driven fusion More information: Maxim Pospelov and Josef Pradler. “Primordial Beryllium as a Big Bang Calorimeter.” Physical Review Letters 106, 121305 (2011). DOI: 10.1103/PhysRevLett.106.121305