Navigation Links
Rice-born detector finds heaviest antimatter
Date:4/25/2011

Physicists at Rice University and their collaborators have detected the antimatter partner of the helium nucleus, antihelium-4. This newly observed particle is the heaviest antimatter particle ever detected.

Scientists at Rice's Bonner Lab designed and built the new time-of-flight detector that identified antihelium-4. The $7.5 million detector was built by a U.S.-China collaboration led by Rice, with Chinese scientists contributing $2.5 million to the project. The new detector was installed as part of the STAR experiment at the Relativistic Heavy Ion Collider (RHIC) at Brookhaven National Laboratory in New York. STAR scientists announced their find today in the journal Nature.

Antimatter is the yang to matter's yin. Both were created in ostensibly equal amounts at the time of the Big Bang, but because matter and antimatter annihilate each other upon contact, most of it disappeared almost instantly. But there was an apparent imbalance that favored matter, which makes up nearly all that we see (and are) today.

Why this is so remains one of the great mysteries in physics. Scientists hope the study of antimatter created in particle accelerators, which attempt to mimic conditions at the beginning of the universe, will offer clues to why nature allows humans to exist.

Last year at Brookhaven, shortly after the long-planned time-of-flight detector was fully installed, evidence of 15 antihelium-4 nuclei (aka anti-alphas) was found among the trillions of particles released when heavy gold ions were collided at nearly the speed of light. These nuclei contain two antiprotons and two antineutrons and do not undergo radioactive decay.

The collisions produce a quark gluon plasma which, when cooled, transitions into a hadron gas that contains protons, neutrons and their antimatter equivalents among many other fundamental particles. This rapidly expanding cloud of particles is where the team found antihelium-4.

"
'/>"/>

Contact: David Ruth
druth@rice.edu
713-348-6327
Rice University
Source:Eurekalert

Page: 1 2 3

Related biology news :

1. Sensitive nanowire disease detectors made by Yale scientists
2. Electromagnetic phantom exorcises specters of metal detector tests
3. Pitt-led researchers create quick, simple fluorescent detector for TB
4. A quicker, cheaper SARS virus detector -- one easily customizable for other targets
5. UD start-up company prepares to commercialize novel detector for medical, military applications
6. Students design early labor detector to prevent premature births
7. $4.3 million DARPA grant enables development of biological and chemical threat detector
8. Livermore researchers develop battery-less chemical detector
9. Duke team finds compounds that prevent nerve damage
10. Study finds genetic variant plays role in cleft lip
11. In a last stronghold for endangered chimpanzees, survey finds drastic decline
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:9/17/2014)... Biomedical Informatics at IMIM (Hospital del Mar Medical Research ... have recently published a study in eLife ... role in the evolution of new proteins, some of ... discovered., Ribosomes produce proteins from the instructions found in ... genome is RNA containing information for the synthesis of ...
(Date:9/17/2014)... Mutations in the human retinoblastoma protein gene are ... University scientists have turned to fruit fly eyes to ... , In a paper featured on the cover of ... Chemistry , Michigan State University researchers provide the first ... those present in the human cancer gene, said Irina ...
(Date:9/17/2014)... R.I. [Brown University] After decades of decline, grasses ... saltmarshes. To the eye, the marsh in those places ... that a key service of the marsh coastal ... back but the ecosystem function hasn,t come back," said ... senior author of the study in the journal ...
Breaking Biology News(10 mins):Parts of genome without a known function may play a key role in the birth of new proteins 2Abnormal properties of cancer protein revealed in fly eyes 2Cape Cod saltmarsh recovery looks good, falls short 2Cape Cod saltmarsh recovery looks good, falls short 3
... of Minnesota researchers are a key step closer to making ... funded by a $2.2 million United States Department of Energy ... in January, made the critical step by figuring out how ... the bacteria into ketones, which can be cracked to make ...
... ID An a l ... risk management, today announced the addition of three senior executives ... Steven Seoane has joined the company as vice president of ... Rando as director of analytics. Seoane, Barr and Rando bring ...
... of Wisconsin-Madison limnologist Stephen Carpenter has been awarded ... prestigious award for water-related activities, it was announced ... The award, which comes with $150,000 and a ... "whose work contributes broadly to the conservation and ...
Cached Biology News:U of M researchers close in on technology for making renewable petroleum 2ID Analytics Strengthens Management Team With Appointment of Senior Executives 2ID Analytics Strengthens Management Team With Appointment of Senior Executives 3UW-Madison lake scientist gets world's top water prize 2
(Date:9/18/2014)... Artificial sweeteners, promoted as aids to weight loss and ... intolerance and metabolic disease; and they do it in ... of the gut microbiota the substantial population of ... of experiments in mice and humans, were published today ... Eran Elinav of the Weizmann Institute,s Immunology Department, who ...
(Date:9/18/2014)... (PRWEB) September 18, 2014 Pipette.com ... include Sartorius/Biohit, Socorex, Capp, and AccuPet brand of ... of 100 uL or less and are a ... forensic applications. , The micropipette promotions were ... and economic alternative products to help customers find ...
(Date:9/17/2014)... global consumption of squalene / squalane is expected to be ... that finds applications in various end user industries such as ... applications like high grade lubrication, and fiber coating additives. ... is regionally segregated. Sophim ( France ), Amyris ... Japan ), SeaDragon Marine Oils Ltd. ( New ...
(Date:9/17/2014)... Ga. , Sept. 17, 2014  MiMedx Group, ... developer, processor and marketer of patent protected regenerative ... announced today the publication of another peer-reviewed clinical study. ... A Multi-center Randomized Controlled Clinical Trial Evaluating ... Amnion/Chorion Membrane Allografts and Multi-layer Compression Therapy vs. ...
Breaking Biology Technology:Gut bacteria, artificial sweeteners and glucose intolerance 2Gut bacteria, artificial sweeteners and glucose intolerance 3Major Pipette Distributor Pipette.com Announces Promotions on Sartorius/Biohit, Socorex, Capp, and AccuPet Micropipettes 2Major Pipette Distributor Pipette.com Announces Promotions on Sartorius/Biohit, Socorex, Capp, and AccuPet Micropipettes 3Squalene Market by Source (Animal & Vegetable) & by End-user Industry (Cosmetics, Pharmaceuticals & Food Industry) - Global Trends & Forecasts to 2019 2Squalene Market by Source (Animal & Vegetable) & by End-user Industry (Cosmetics, Pharmaceuticals & Food Industry) - Global Trends & Forecasts to 2019 3MiMedx Multi-Center Randomized, Controlled VLU Clinical Study Published In Peer-Reviewed Journal 2MiMedx Multi-Center Randomized, Controlled VLU Clinical Study Published In Peer-Reviewed Journal 3MiMedx Multi-Center Randomized, Controlled VLU Clinical Study Published In Peer-Reviewed Journal 4
... August 28 XTL Biopharmaceuticals,Ltd. (NASDAQ: XTLB ... in the acquisition, development and commercialization of,therapeutics for ... and hepatitis C, today announced the receipt on ... indicating that, according to the,Company,s financial statements for ...
... to the NASDAQ Capital Market, NEW YORK, ... ; LSE: XTL; TASE: XTL), a biopharmaceutical company,engaged ... the treatment of unmet medical needs, particularly,neuropathic pain ... August 23,2007, of a NASDAQ Staff Deficiency Letter ...
... CITY, Aug. 27 ARUP Laboratories, a national,clinical ... in,innovative laboratory research and development, announced today that ... Premier Purchasing,Partners, L.P., one of the nation,s largest ... The agreement extends a previous,contract between ARUP and ...
Cached Biology Technology:XTL Receives Staff Letter From NASDAQ; XTL may Transfer its ADR Listing to the NASDAQ Capital Market 2XTL Receives Staff Letter From NASDAQ; XTL may Transfer its ADR Listing to the NASDAQ Capital Market 3XTL Receives Staff Letter From NASDAQ 2XTL Receives Staff Letter From NASDAQ 3ARUP Laboratories and Premier Extend Contract for Reference Laboratory Testing Services 2
... Hybrid-Ready Tissues are selected tissues from ... been fixed, embedded in paraffin, sectioned and ... the slides are ready for use in ... The Hybrid-Ready tissue slides are suitable for ...
...
Quantibody Human Angiogenesis Array 1 (1 slide) Class: Quantitative Antibody Arrays Product Group: Antibody Array...
Immunochemistry 1 & 2...
Biology Products: