LHCb observes two new baryon particles

Today the collaboration for the LHCb experiment at CERN's Large Hadron Colliderannounced the discovery of two new particles in the baryon family. The particles, known as the Xi_b'- and Xi_b*-, were predicted to exist by the quark model but had never been seen before. A related particle, the Xi_b*0, was found by the CMS experiment at CERN in 2012. The LHCb collaboration submitted a paper reporting the finding to Physical Review Letters.

Like the well-known protons that the LHC accelerates, the new particles are baryons made from three quarks bound together by the strong force. The types of quarks are different, though: the new X_ib particles both contain one beauty (b), one strange (s), and one down (d) quark. Thanks to the heavyweight b quarks, they are more than six times as massive as the proton. But the particles are more than just the sum of their parts: their mass also depends on how they are configured. Each of the quarks has an attribute called "spin". In the Xi_b'- state, the spins of the two lighter quarks point in the opposite direction to the b quark, whereas in the Xi_b*- state they are aligned.

Telecom regulator TRAI has wanted views on a type for deployment of community Wi-Fi locations, including reselling of support by area homeowners, which can be scaled up for wider protection and affordable broadband services.

The Telecom Regulatory Power of India claimed its consultation paper on design for nation-wide interoperable and scalable community Wi-Fi networks is "to examine the tasks of various stakeholders in the Community Wi-Fi network value string and construct an environment for marketing scalable and sustainable relationships for big range nation large deployment."The regulator said that it's also exploring monetisation and sustainable business models for public Wi-Fi systems through the consultation process.The regulator has discovered insufficient selection in the backend for connecting Wi-Fi locations, stagnated growth of landline contacts, certification of Wi-Fi individual, payment process, infrastructure issues like accessibility to power among issues hindering growth of public Wi-Fi.

Snapchat 'files for stock market float'

Snap, the parent company of messaging app Snapchat, has filed to list on the US stock market, according to several reports.

Based on investments so far, the California-based firm would be worth between $20bn and $25bn (£16bn-£20bn).

That would make it the largest US flotation since Chinese e-commerce giant Alibaba listed two years ago.

Snapchat's parent company Snap declined to comment on the reports to the BBC.

Young audience

The company began in 2012 as a mobile app that allowed users to send photos that vanish within seconds.

It now has 100 million daily users, which is more than Twitter.

Reliance Jio's Lyf phones have been selling in India for quite some months now, however, the company still needs to tap the rural and tier-III markets for its data services and mobile business.

The report said that Jio may try to reach out to the consumers who are first-time data users in rural areas. "Jio wants to tap all the segments in the country and sees huge potential in the rural areas, which it now aims to tap with VoLTE feature phones," said the report.There will be two feature phones, if the report is to be believed, priced at around Rs 1,000 and Rs 1,500. Reliance may launch these phones in the first quarter of 2017. Although these are feature phones, meaning there will be no touchscreen, they will be able to run 4G data and will be capable of accessing internet.The cheapest 4G-enabled smartphone at present is sold at around Rs 3000, and a huge slice of the market is still based on feature phones. With the launch of such feature phones, Reliance Jio will be able to offer the affordability of a feature phone with 4G VoLTE technology along with free voice calls.

Reliance Jio's Lyf phones have been selling in India for quite some months now, however, the company still needs to tap the rural and tier-III markets for its data services and mobile business.

The report said that Jio may try to reach out to the consumers who are first-time data users in rural areas. "Jio wants to tap all the segments in the country and sees huge potential in the rural areas, which it now aims to tap with VoLTE feature phones," said the report.There will be two feature phones, if the report is to be believed, priced at around Rs 1,000 and Rs 1,500. Reliance may launch these phones in the first quarter of 2017. Although these are feature phones, meaning there will be no touchscreen, they will be able to run 4G data and will be capable of accessing internet.The cheapest 4G-enabled smartphone at present is sold at around Rs 3000, and a huge slice of the market is still based on feature phones. With the launch of such feature phones, Reliance Jio will be able to offer the affordability of a feature phone with 4G VoLTE technology along with free voice calls.

Scientists observe how quantum superpositions build up in a helium atom within femtoseconds.

In the double slit experiment, a particle travels on two different paths at the same time. Something similar can be observed when a helium atom is ionized with a laser beam. The ionization of helium can happen via two different processes, and this leads to characteristic interference effects. A team of scientists has now managed to observe the buildup up of these effects--even though this effect takes place on a time scale of femtoseconds. It is definitely the most famous experiment in quantum physics: in the double slit experiment, a particle is fired onto a plate with two parallel slits, so there are two different paths on which the particle can reach the detector on the other side. Due to its quantum properties, the particle does not have to choose between these two possibilities, it can pass through both slits at the same time. Something quite similar can be observed when a helium atom is ionized with a laser beam.

Professor Nello Cristianini, in the Department of Engineering Mathematics, said

New research shows that by making use of big data to analyse massive data multiple modern and historical news, social networking