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Scientists round up the Higgs boson

If there is the elusive Higgs boson, a particle that scientists are striving to find to complete the Standard Model of Particle Physics, the mass range is between about 115 and 130 gigaelectronvolts (GeV). This is a step forward “significant” in the search, according to researchers at CMS and ATLAS experiments today presented data Carpet Cleaning London at the headquarters of the European Organization for Nuclear Research ( CERN ). The scientific community is confident that the end of 2012 remains unclear whether or not the Higgs boson.

Simulation of the Higgs boson. Image: CERN / CPAN.

‘The ATLAS and CMS collaborations (the two largest experiments of the Large Hadron Collider or LHC ) have managed to exclude the data collected in 2011 Higgs masses in the standard model above about 127 GeV , which represents a breakthrough in this search ‘, explains to SINC Juan Alcaraz, principal investigator of CIEMAT in the CMS.

Cintíficos experiments ATLAS and CMS were presented today at a seminar at CERN, the status of your search for the Higgs boson predicted by the Standard Model of Particle Physics . Their results are based on the analysis of a considerably larger amount of data that results presented at the conference last summer, enough to make significant progress in finding the Higgs boson, but not to make a strong statement on the existence of this elusive particle.

“In the juegos de mario mass range 114-127 GeV, both Los Angeles criminal attorney collaborations are slight excesses, particularly in the decay channel of two photons and masses in the 124-126 GeV, but the amount of data collected to date is insufficient to to determine if this really is the Higgs particle or simple statistical fluctuations somewhat higher than expected ‘, explains Alcaraz.

The researcher contextualizes the advance: “These fluctuations are the order of about 2-3 standard deviations, and the common practice in the case of blu cigs coupon discovery of new particles dictates the observation of at least 5 standard deviations, which would ensure that it is a too stable. Note that there is little difference between the capabilities of ATLAS and Plastic Containers CMS regarding the detection of the Higgs is concerned. The statistical fluctuations in denver accident lawyer this quest are now more important than small differences HDMI switch in the characteristics of each experiment. ‘

The main conclusion

For now, the main conclusion is that if the Higgs boson mass range is likely between 116 and 130 GeV, according to the ATLAS experiment, and between 115 and 127 GeV, according to CMS. Both experiments have been indications in the same mass region, but not strong enough to be considered a discovery.

The Higgs boson, if any, has a very short duration and is broken in many ways. His discovery was based on observing particles which decays more than the Higgs itself. Both ATLAS and CMS have analyzed several decay channels, and excesses have small low-mass region where the presence of the Higgs boson has not yet been excluded.

Separately, none of these excesses is more significant statistically than rolling a die and draw two consecutive six. Interestingly, there are several independent measures that point to the region between 124 and 126 GeV. It is too early to say if ATLAS and CMS have discovered the Higgs boson, but these recent results are generating great interest in the scientific community of trotinette freestyle particle physics.

“We have restricted the region most likely mass for the Higgs boson of 116 to 130 GeV, and in recent weeks have begun to see a fascinating excess of events in the mass range around 125 GeV,” said the spokesman of the experiment Fabiola Gianotti ATLAS. “This excess can be due to a fluctuation, but it could be something more interesting. At this point we can not conclude anything. We need to study more data. Given the exceptional performance of the LHC this year, we will not have to wait long enough and hope to have data solve this puzzle in 2012. ”

“We can not exclude the presence of the Higgs boson in the Standard Model between 115 and 127 GeV due to a modest excess of events in this mass region that appears, quite consistently, in five different decay channels,” said CMS spokesman, Guido Tonelli. “The excess is most compatible with a Higgs boson of the Standard Model in the vicinity of 124 GeV and below, but the statistical significance is not large enough to say anything conclusive. What we see today is consistent with both a fluctuation background or the presence of the boson. more refined analysis and additional data contributed catalogues by the LHC in 2012 will definitely respond. ”

Solve the mystery in 2012

In the coming months, both experiments will further refine their analysis ahead of the winter conference of particle physics due in March. However, a definitive statement on whether or not the Higgs boson require more data, and is unlikely to occur until the end of next year.

‘The next step is to analyze the data that the LHC will provide in 2012, between 10 and 20 femtobarn reverse, ie, two to four times the current data, and this new sample should allow to confirm or disprove the existence of this excess’ forward Alcaraz. ‘In the case confirmed the existence of a signal, the next step would be to determine more precisely if the number of events is consistent with that predicted by the Standard Model, what is its mass and other properties (its spin is it really zero? ). But if it is confirmed that this is a simple statistical fluctuation, the search would continue until the lowest african mango possible mass (114 GeV) ‘.

Failure to observe the Higgs boson, the search would continue in other models. In many of the popular models that extend it is expected not only one Higgs field, but at least two, with a possible reduction in the number of expected events. The Higgs couplings could also have various other particles, so that the channels seen as more likely may not be true.

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Even under the assumption of a complete absence of signal in the 114-600 GeV mass range, it is essential the presence of something with similar properties to the Higgs boson. His absence at low herbal incense mass is then manifested in the LHC as a detectable increase in the production of pairs of bosons at high collision energies and possibly give rise reputation management to new structures in the mass spectrum in the region of the thousands of GeV.

The key for the Standard Model Higgs

The Standard Model is the theory that physicists use to describe the behavior of fundamental particles and forces acting between them. Describe the ordinary matter of which we are made us and all observable. However, it describes 96% of the universe, which is invisible. One of the main goals of the LHC research program is to go beyond this model and the Higgs boson could be the key.

This boson confirm this theory, first introduced in the sixties, but may take other forms related to theories that go beyond. A Higgs boson within the Standard Model may continue to point to new physics through subtleties in behavior that canapé convertible arise only after studying a large number of decays of this the diet solution diet plan particle.

But if you were out, the absence of the Higgs boson in the Standard Model would indicate the presence of vastly new physics in the energy range that is designed for the LHC, 14 TeV (tera) to be achieved after 2014. Whether ATLAS and CMS in the coming months show that the Higgs boson in the Standard Model or not, the LHC program is paving the way legal steroids for sale for new cheap car insurance physics.

“Whatever then no doubt that the LHC will be a great great first step in understanding this concept so natural yet so dark: Cell Phone Accessories the mass,” concludes Juan Alcaraz.

The mysteries of the Higgs boson

The Higgs boson is the only particle not yet discovered the so-called standard model. It is a very special particle, essential in the Standard Model to explain the unification of forces electromagnetic and weak , and the existence of particles with mass, as observed in the universe around us. Your search has focused LHC in the mass region between 114 and 600 giga-electron volts (GeV), where 1 GeV about the mass of a proton. The mass of

114 GeV corresponds to the lower limit set by LEP experiments, the Large Hadron Collider at CERN electron-positron, who served in the past the tunnel that now occupies the LHC. The mass of 600 Wire Shelving GeV corresponds to the limit beyond which it is considered that the Higgs can not be treated as a particle itself, having an excessively high probability of decay and the mass from which appear difficult to interpret in cheap auto insurance quotes the standard model. The integrated luminosity have website hosting collected ATLAS and CMS experiments, around 5 femtobarn reverse, it is sufficient for Malaysia Property an efficient bachelorette party supplies search for the ppi claims Higgs boson in the mass range quoted. (To get an idea, a reverse femtobarn represents something close to 300 million events analyzed in a detector like CMS.)

The Higgs is an unstable particle, which immediately decays into other particles at the same point of collision of protons . Depending on the mass hypothesis studied decay channels are more suitable than others. In the mass range 130-140 GeV above, the most effective How to Lose Weight Fast channels correspond to pair the search for the Higgs decay into pairs of W or Z bosons with subsequent decay into four leptons or two leptons and Seattle physical therapy two quarks.

In the low mass range, 114-130 GeV, the most promising channel is the Higgs decay carpet cleaning Seattle into a pair of photons, although an unlikely channel is much less affected by other background processes. Note that these tests look for signs of dozens of events over a total of millions and, even after applying strict selection criteria, it ends up looking a little too much on a background of hundreds or thousands of events.

Spanish participation

Since the bad credit car loans implementation of the stretch marks removal ATLAS detector, which involved 3,000 scientists from 174 institutions from 38 countries, researchers at the Institute of Corpuscular Physics (IFIC), Joint Center for Scientific Research Council (CSIC) and University of Valencia, the Institut d’Altes Energies Physics (IFAE), a consortium between the Generalitat de Catalunya and the Universitat Autònoma de Barcelona, Institute of Microelectronics of Barcelona (CNMA €? € IMBA? CSIC) and the Autonomous University of Madrid (UAM) actively involved in the operation canape design and maintenance of detectors, with a strong presence in the alignment and calibration activities.

Within the extensive research program of the LHC, the ATLAS Spanish groups Medigap Plans involved in a number of lines of research in the analysis of the data, which cover many of the most interesting topics of the program priorities of the LHC. In particular, the search for Higgs boson Joann Fabric coupons in the Standard Model, the groups have car insurance studied different final states resulting from the decay of the Higgs particle into two photons, two leptons taus and two Z bosons, or W

For its part, CMS, attended by 3,000 scientists from 172 institutes in 40 countries, experimental groups are present at the Institute of Physics of Cantabria (IFCA), CSIC-University joint center of Cantabria, the University of Oviedo, the Center for Energy Research , Environment and Technology (CIEMAT) and the Autonomous University of Madrid (UAM), involved in hcg diet drops the search for the Higgs boson. Stresses the important participation of researchers from the University of Oviedo and the IFCA in the analysis channel of the Higgs boson decay into bosons WW, and CIEMAT researchers in the decay channel ZZ bosons, both very relevant to this search and have been key to exclude its mass is between 127 and 600 GeV.

The participation of the Spanish research groups at the LHC has the support of the Ministry of Science and Innovation through the National Programme for Particle Physics and the National Center for Particle Physics, Astroparticle and Nuclear ( CPAN ), Consolider-Ingenio 2010 whose main objectives are the Chinese translation promotion and scientific coordination of the Spanish participation in international projects, development of joint R & D and training and incorporating new groups of researchers and technicians. The CPAN aims to consolidate these actions by setting up a center in permanent network, similar to those Magic Tricks in other countries around us.

Retreat of Arctic sea ice releases greenhouse gases threatening
A Russian research team paleo was surprised after finding “sources” of bubbles methane rising to the surface.

Spectacular and unprecedented feathers of methane (a greenhouse gas 20 times more potent than carbon dioxide) have been coming to the acne treatment surface of the Arctic Ocean by scientists who conducted a comprehensive study of the region.

The scale and volume of methane release has amazed the head of the Russian research team has been studying the seabed of the East Siberian Shelf in the Arctic off northern Russia for almost 20 years.

Igor Semiletov of the Far Eastern Branch of Russian Academy of Sciences, said he had never seen this magnitude and strength of the methane released from the Arctic seabed.

“At the beginning of the study found similar structures as those of today, but were only a few tens of meters in diameter. This is the first time we have found filtering structures continuously, it is very powerful and home loans impressive, more than 1,000 meters in diameter. It’s unbelievable, “said Dr. Semiletov.

“I was very impressed by the magnitude and the high density of the columns. In a relatively small area were more than 100, but in a wider cash loans area must be thousands of them.”

Scientists estimate there are hundreds of millions of tons of methane trapped under the Arctic permafrost, which extends from the mainland on the seabed relatively shallow sea of the East Siberian Shelf in the Arctic.

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One of the biggest fears is that with the disappearance of Arctic sea ice in summer and warmer temperatures across the region will soon be nothing left of the Siberian permafrost, methane trapped may be suddenly released into the atmosphere would lead to rapid climate change very severe.

Dr. Semiletov team published a study in 2010 that estimated that methane emissions from this region were about eight million tonnes a year, but the last expedition suggests that this is a significant underestimation of the phenomenon.

In late summer, the Russian research vessel Academician Lavrentiev conducted a large study in about 10,000 square kilometers of sea coast of eastern Siberia.

Researchers deployed four highly sensitive instruments, seismic and acoustic control “sources” or columns of methane bubbles rising to the surface of the sea below the seabed.

“In a very small area, less than 10,000 square kilometers, has had more than 100 fountains, or similar structures to the torch, bubbling through the water column and injected directly into the atmosphere from the bottom of the sea” said Dr. Semiletov.

“We have carried out lit some 115 controls and found stationary points of methane fields in a great scale, and these issues are addressed directly to the atmosphere -. The concentration was one hundred times greater than normal.”

Dr. Semiletov has published its payment protection insurance results for the first time last week at a meeting of t
The theory of global infertility
As you know, there are a significant number of men and women out there who can not conceive.

But did you know that the number of people who can not conceive is rising?

And the increase could be as fast, in fact, that scientists predict could be a serious problem for the future of our species.

There are some theories about why infertility is increasing. One of them is the pollution, or chemicals that produce the pollution, over the years have caused damage to our cells and turn to our reproductive system.

Another is that evolution has determined who can have children and who can not.

You know through the survival of the fittest. This is very complicated to explain. But the truth is more likely to be a combination of many things, these two diseases, etc. ..

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Reuters
This is a slow extinction. At first, the streets will be a little less crowded, no traffic jams so it will be easier to get chiropractic marketing a house and there will be more jobs.

There will also be much more fertility clinics are filled with people. People know free ipad that there is a problem, but believe that fertility treatment will help.

A few generations later. The roads are empty, most of the buildings (including fertility clinics) will be abandoned.

Some people still be alive, but with no work doing things like power plants, treatment plants, etc.., The be thrown back to the Middle Ages. People will live in small villages, but almost no children. And someday, the last child born.

Image Credit: Reuters

Southern smooth snake in Aragon (Coronella girondica) – Southern smooth snake
Description. The southern smooth snake is one of the smaller snakes from those in our region and can reach up to 90 cm. length, although it is difficult to find copies in excess of 65 cm. Its head is small but well differentiated from the body, with a prominent snout and rounded. It has a characteristic black band between the lip and eye corners, sometimes joining both eyes. The neck usually has a dark U-shaped or inverted V. Both the body and tail are long and thin, making it look sleek. The dorsal coloration varies from gray and cream, dark spots highlighting transverse or oblique, the Crossfit Denver sides are similar to the back. The ventral coloration is whitish or yellow on black spots stand out in the form of squares with a checkered design. Distribution of Austrian Coronella

Aragon. Source: Encyclopedia of Virtual

Iberian vertebrates.

Distribution and habitat.

It is distributed throughout a strip next to the Mediterranean in Spain, Portugal, France, Italy, Morocco, Algeria and Tunisia. This species is not abundant that we can find much of electronic cigarettes Aragon. The Mediterranean habitats are always warm and dry, preferably in the woods of holm oak, and scrub Denver Divorce Attorney espartales exposed, but also appears in the traditional crops of almond and olive. Needs shelters as rocks or stones, in the absence of these shelters usually occupy the buildings and isolated ruins. Significant differences in their abundance throughout its range. Playback. This species is ovoviviparous, the eggs develop inside the female and give birth between 3 and 7 pups between 12 and 19 centimeters. The color and design of these is similar to adults but more contrasting and vivid colors.

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