Subscribe free to our newsletters via your
. 24/7 Space News .




TIME AND SPACE
New groundbreaking research may expose new aspects of the universe
by Staff Writers
Odense M, Denmark (SPX) Sep 09, 2013


Matin Mojaza: Credit Matin Mojaza/SDU.

No one knows for sure, but it is not at all unlikely that the universe is constructed in a very different way than the usual theories and models of today predict. The most widely used model today cannot explain everything in the universe, and therefore there is a need to explore the parts of nature which the model cannot explain.

This research field is called new physics, and it turns our understanding of the universe upside down. New research now makes the search for new physics easier.

"New physics is about searching for unknown physical phenomena not known from the current perception of the universe. Such phenomena are inherently very difficult to detect," explains PhD student Matin Mojaza from CP3-Origins.

Together with colleagues Stanley J. Brodsky from Stanford University in the U.S. and Xing-Gang Wu from Chongqing University in China, Mojaza has now succeeding in creating a new method that can make it easier to search for new physics in the universe.

The method is a so called scale-setting procedure, and it fills out some empty, but very important, holes in the theories, models and simulations, which form the basis for all particle physics today.

"With this method we can eliminate much of the uncertainty in theories and models of today," says Matin Mojaza.

Many theories and models in particle physics today has the problem that they, together with their predictions, provide some parameters that scientists do not know how to set.

"Physicists do not know what values they should give these parameters. For example, when we study the Standard Model and see these unknown parameters, we cannot know whether they should be interpreted as conditions that support or oppose to the Standard Model - this makes it quite difficult to study the Standard Model accurately enough to investigate its value", explains Matin Mojaza.

With the new approach researchers can now completely clean their models for the unknown parameters and thus become better at assessing whether a theory or a model holds water.

The standard model has for the last app. 50 years been the prevailing theory of how the universe is constructed. According to this theory, 16 (17 if we include the Higgs particle) subatomic particles form the basis for everything in the universe. But the Standard Model is starting to fall short, so it is now necessary to look for new physics in the universe.

One of the Standard Model's major problems is that it cannot explain gravity, and another is that it cannot explain the existence of dark matter, believed to make up app. 25 percent of all matter in the universe. In addition, the properties of the newly discovered Higgs particle, as described in the standard model, is incompatible with a stable universe.

"A part of the Standard Model is the theory of quantum chromodynamics, and this is one of the first things, we want to review with our new method, so that we can clean it from the uncertainties," explains Matin Mojaza.

The theory of quantum chromodynamics predicts how quarks (such as protons and neutrons) and gluons (particles that keeps quarks in place inside the protons and neutrons) interact.

Matin and his Chinese and American colleagues now estimate that there may be a basis for reviewing many scientific calculations to clean the results from uncertainties and thus obtain a more reliable picture of whether the results support or contradict current models and theories.

"Maybe we find new indications of new physics, which we would not have exposed if we had not had this new method", says Matin Mojaza.

He believes that the Standard Model needs to be extended so that it can explain the Higgs particle, dark matter and gravity. One possibility in this regard is to examine the so-called technicolor theory, and another is the theory of supersymmetry.

According to the supersymmetry theory, each particle has a partner somewhere in the universe - these have not yet been found though. According to the technicolor theory there is a special techni-force that binds so-called techni-quarks, which can form other particles - perhaps this is how the Higgs particle is formed. This could explain the problems with the current model of the Higgs particle.

Also Rolf-Dieter Heuer, director of CERN in Switzerland, where the famous 27 km long particle accelerator, the LHC, is situated, believes that the search for new physics is important. According to him, the Standard Model cannot be the ultimate theory, and it is only capable of describing about 35 percent of the universe. Like CP3-Origins, also CERN has put focus on weeding out old theories and search for new physics - this happening in 2015, when the accelerator starts up again.

CP3-Origins is a center at University of Southern Denmark, researching in the physics beyond the Standard Model. The center focuses on topics such as dark matter, the formation of matter in the universe, and the mystery of what the Higgs particle might consist of.

.


Related Links
University of Southern Denmark
Understanding Time and Space






Comment on this article via your Facebook, Yahoo, AOL, Hotmail login.

Share this article via these popular social media networks
del.icio.usdel.icio.us DiggDigg RedditReddit GoogleGoogle








TIME AND SPACE
Control scheme dynamically maintains unstable quantum system
Atlanta GA (SPX) Aug 28, 2013
A simple pendulum has two equilibrium points: hanging in the "down" position and perfectly inverted in the "up" position. While the "down" position is a stable equilibrium, the inverted position is definitely not stable. Any infinitesimal deviation from perfectly inverted is enough to cause the pendulum to eventually swing down. It has been known for more than 100 years, though, that an in ... read more


TIME AND SPACE
Scientists say water on moon may have originated on Earth

Moon landing mission to use "secret weapons"

NASA launches spacecraft to study Moon atmosphere

NASA-Funded Scientists Detect Water on Moon's Surface that Hints at Water Below

TIME AND SPACE
SwRI study suggests debris flows on frozen arctic sand dunes are similar to dark dune spot-seepage flows on Mars

Space Cadets line up for one-way Mars trip

NASA Evaluates Four Candidate Sites for 2016 Mars Mission

Examining Rocks Around Boulder Field

TIME AND SPACE
SpaceShipTwo commercial space liner breaks sound barrier in test

Andreas Mogensen set for Soyuz mission to ISS in 2015

NASA awards nearly $1.5B in support contracts

NSBRI and NASA Reduce Space Radiation Risks by Soliciting for Center of Space Radiation Research

TIME AND SPACE
China civilian technology satellites put into use

China to launch lunar lander by end of year: media

China launches three experimental satellites

Medical quarantine over for Shenzhou-10 astronauts

TIME AND SPACE
ISS Crew Completes Spacewalk Preps

Russian cosmonaut set for space station mission resigns

Russian cosmonauts to start searching for bacterium corroding ISS body

Cosmonauts Complete Spacewalk, Unfold Russian Flag in Space

TIME AND SPACE
Japan sets new date for satellite rocket launch

Arianespace delivers! EUTELSAT 25B/Es'hail 1 and GSAT-7 are orbited by Ariane 5

Arianespace to "reach for the stars" with its Soyuz launch of Europe's Gaia space surveyor spacecraft

Ariane 5 build-up is completed for Arianespace upcoming flight with EUTELSAT

TIME AND SPACE
NASA-funded Program Helps Amateur Astronomers Detect Alien Worlds

Observations strongly suggest distant super-Earth has water atmosphere

Waking up to a new year

Study: Planets might be 'born free' without a parent star

TIME AND SPACE
New computational approaches speed up the exploration of the universe

Advancing graphene for post-silicon computer logic

Simple compact laser system could detect presence of explosives

Northrop Grumman Completes Demonstration of 3D Expeditionary Long-Range Radar (3DELRR) System




The content herein, unless otherwise known to be public domain, are Copyright 1995-2014 - Space Media Network. AFP, UPI and IANS news wire stories are copyright Agence France-Presse, United Press International and Indo-Asia News Service. ESA Portal Reports are copyright European Space Agency. All NASA sourced material is public domain. Additional copyrights may apply in whole or part to other bona fide parties. Advertising does not imply endorsement,agreement or approval of any opinions, statements or information provided by Space Media Network on any Web page published or hosted by Space Media Network. Privacy Statement