Occidental countries when on wars like modern crusades to propagate the democracy. Occident have imposed the democracy to the "retarded" countries. We have imposed by force, what we say it's the best way of government. We have deposed tyrannies to impose democracy by the words of the guns. Replace dictadures by demodures.
But at the same time, when the citizen people are requiring something to the governments, they are not listened. People is illiterate and the enlightened is only in the hand of the government. Event if the people is requiring the things pacifically or by violent protest, the lit have it's tools to quiet the protests.
Markets are forcing countries to suspend the democracies (with casino practices). Now is the market abstraction who talks with our representatives and they translate to the people what have been transmitted to them.
In the marketcracy, we vote to choose the interlocutor to the oracle of the market. And our representatives obeys to its designate justifying the sacrifices that the people must do (not apply it to the representatives or the rich).
In the name of the gods money and debt, we have to kill a virgin worker every hour or they will became angry and the consequences will be worst.
I have to insist, this gods doesn't exist.
2012/02/20
2012/02/06
Chasing the higgs
Since December many words has been written about the Higgs search in the high energy physics. Recently I have read in the Spanish translation of the "Scientific American" (called "Investigación y Ciencia") a text (not a peer reviewed article) about the Higgs that I think is specially good for newbies in this field.
Usually the blog who talks about the Higgs often uses many technical words and graphics. Nothing to say about the images drawings like:
In my words (I'm a computer scientist, neither this is peer reviewed!). When you remove everything from a portion of the space to have it in the highest possible vacuum, there is still something there. This vacuum have some entity, a non zero field that fills everything. This field, dramatically can make you think in the idea of the ether, but it's should be completely different.
The standard model have some mathematical transformations (usually named symmetries) who not only gives beauty to the theory, it has many behaviour consequences specially in between the interactions.
Physicist knows very well the fundamental interactions (electromagnetic, nuclear week, and strong, and also the oldest we know even if it's the one we know less about, the gravitation). This forces are a consequence from this mathematical symmetries in the standard model. This explains many properties of the particles, except one "small" detail: the mass.
This symmetries in the model says that the mater particles shouldn't have mass, but we know it's there. Even more, the force carrier particles shouldn't have mass, and in general they hasn't, but the bosons W and Z have mass.
In the 60's, Sheldon Glashow, Steven Wienberg and Abdus Salam (they are 1979 Physics Nobel Price) introduces the Higgs mechanism (proposed 1962 by Philip Warren Anderson and developed in 1964 by three independent groups, in one of them were Peter Higgs). The idea is simple, this field can be imagined like a viscose liquid who fills completely all the space, and the friction on this liquid gives to the particles what we see as mass. The waves made on this liquid when the particles agitates it, are the the higgs particles.
Some particles flow better in this higgs field, and looks like they have a very small mass. Some others have a big interaction and looks like very massive. And there are particles who didn't interact at all with it, being unmassed.
What are high energy physics colliders searching for? It's highly difficult to detect the higgs particles itself, and much more complicate because they decay very fast. But what it's possible to detect are the products of this disintegrations. What the LHC (and its predecessors) is trying to see in the detectors (specially Atlas and CMS) are this subproducts of the disintegration. Even that this events where they appear, are very difficult to detect.
The LEP (LHC predecessor were the tunnel is the same) has set a lower limit in 114GeV and the highest level would be at 800GeV. But with the results published in the 13th of December, this window has been reduces with a trust of the 95%, in two smaller windows. One between 600GeV and 800GeV (but other experimental results may exclude this window). and the most hopped window is between 115GeV and 128GeV (indirect results of the LEP studies also points to this window). Even more, this window have a substantial probability to have the higgs in between 125GeV and 126GeV.
But this doesn't mean that the higgs exist. There is also a probability that the higgs doesn't exist and the excesses detected are statistical fluctuations and systematic errors... This 2012 the analysis will have much more data. Last week there were the LHC performance workshop where has been decided the setup for the collider this year. Beams energy increased to 4TeV (collisions @ 8TeV), bunches separation of 25ns (they were 50ns, means the double of bunches in the beam, with a pile-up effect), and reduced the beta-star parameter to increase the luminosity (from 1m to 60cm).
21th of March will start again the beam operations.
Update 20120213: Some news point to 4 TeV beam (colliding at 8TeV) with 50ns bunch separation and beta-star at 0.6. Not very different that 2011 configuration, but enough to have the 16.5/fb collisions predicted to be enough to find the Higgs.
Usually the blog who talks about the Higgs often uses many technical words and graphics. Nothing to say about the images drawings like:
 |
| From cms web site |
The standard model have some mathematical transformations (usually named symmetries) who not only gives beauty to the theory, it has many behaviour consequences specially in between the interactions.
Physicist knows very well the fundamental interactions (electromagnetic, nuclear week, and strong, and also the oldest we know even if it's the one we know less about, the gravitation). This forces are a consequence from this mathematical symmetries in the standard model. This explains many properties of the particles, except one "small" detail: the mass.
This symmetries in the model says that the mater particles shouldn't have mass, but we know it's there. Even more, the force carrier particles shouldn't have mass, and in general they hasn't, but the bosons W and Z have mass.
In the 60's, Sheldon Glashow, Steven Wienberg and Abdus Salam (they are 1979 Physics Nobel Price) introduces the Higgs mechanism (proposed 1962 by Philip Warren Anderson and developed in 1964 by three independent groups, in one of them were Peter Higgs). The idea is simple, this field can be imagined like a viscose liquid who fills completely all the space, and the friction on this liquid gives to the particles what we see as mass. The waves made on this liquid when the particles agitates it, are the the higgs particles.
Some particles flow better in this higgs field, and looks like they have a very small mass. Some others have a big interaction and looks like very massive. And there are particles who didn't interact at all with it, being unmassed.
What are high energy physics colliders searching for? It's highly difficult to detect the higgs particles itself, and much more complicate because they decay very fast. But what it's possible to detect are the products of this disintegrations. What the LHC (and its predecessors) is trying to see in the detectors (specially Atlas and CMS) are this subproducts of the disintegration. Even that this events where they appear, are very difficult to detect.
The LEP (LHC predecessor were the tunnel is the same) has set a lower limit in 114GeV and the highest level would be at 800GeV. But with the results published in the 13th of December, this window has been reduces with a trust of the 95%, in two smaller windows. One between 600GeV and 800GeV (but other experimental results may exclude this window). and the most hopped window is between 115GeV and 128GeV (indirect results of the LEP studies also points to this window). Even more, this window have a substantial probability to have the higgs in between 125GeV and 126GeV.
But this doesn't mean that the higgs exist. There is also a probability that the higgs doesn't exist and the excesses detected are statistical fluctuations and systematic errors... This 2012 the analysis will have much more data. Last week there were the LHC performance workshop where has been decided the setup for the collider this year. Beams energy increased to 4TeV (collisions @ 8TeV), bunches separation of 25ns (they were 50ns, means the double of bunches in the beam, with a pile-up effect), and reduced the beta-star parameter to increase the luminosity (from 1m to 60cm).
21th of March will start again the beam operations.
Update 20120213: Some news point to 4 TeV beam (colliding at 8TeV) with 50ns bunch separation and beta-star at 0.6. Not very different that 2011 configuration, but enough to have the 16.5/fb collisions predicted to be enough to find the Higgs.
2012/02/02
Work from home or what you like
Today, due to the snow in the vicinity, the loudspeakers in Alba's facility have order an unscheduled shutdown of the machine and its beamlines. All the workers had to left the building to go home. Further information to the workers will be sent by email.
Situation like that had happen the past 8th of March in 2010 (picture taken @ 15:12):
It's not usual to have snow in the area of Barcelona, but the pictures are very similar. I hope we will not live the chaos of 2010. We would had to learn something...
Update 20120203: Finally the snow wasn't chaotic. Even that the photos are very similar, in 2010 the picture has been taken at the time when the storm went to worse. It was the beginning. After 1 hour the storm was harder, and at 2 hour huge transport problems collapse communications.
Yesterday, the picture has been take when, after we saw, the maximum of the precipitation. At midday, the news says that in the afternoon would have something like an storm. But the clouds went throw the sea, with any other problem for the people.
We've been lucky this time. You only know if it's overreacting or underreacting when you look it from the future. But if you have to choose, it's better to decay to overreact than underreact.
2012/01/26
Ring magnetic field compensation
A long time a go we have seen that when the magnets of the storage ring are cycling the beam on the linac "moves". I remember a day in the control room of Alba doing a test on the cycling procedure (no beam in the storage, the machine was mine) I hear the scientist working on the linac, just in a computer besides the one I was using, saying "We are not changing anything and the beam is moving horizontally!"
AFAIK the problem is coming from the thing that the bending magnet of the storage ring (and the same thing with each family of sextupoles) are powered from the same power converter. There is one power converter in sector 1 for all the (32) storage ring bending magnets. Each magnet is a solenoid, but the cable to distribute the power to all of them can be saw globally like on big solenoid with one turn.
In the storage ring, there are also 9 families of sextupoles, each of them powered by converters also placed in sector 1, with the same situation than the bendings. This means that, globally, we have 10 solenoids of one turn of 268.8 meters.
(There are also 14 families of quadrupoles, but in that case there is one power converter per sector and is not contributing to this problem.)
How to compensate this? The problem is not when the storage ring magnets are cycling, the issue is when this magnets have set different currents due to many different purposes forces to reconfigure the linac. The easy and smarter solution perhaps is to install another turn to compensate the effect.
Then when the setting of the storage changes, the current of one extra power converter changes to cancel the effect on the linac. But calculate and apply new current values it's a boring thing for a human. Often I say the repetitive and boring task are good for computers, and gives free time to humans.
One detail more, some of the magnet turns goes clockwise direction in the storage ring, and some others goes in counter-clockwise direction. That means that they already cancels some of their effects but 0 effect is not grant. That the goal of this compensation turn.
AFAIK the problem is coming from the thing that the bending magnet of the storage ring (and the same thing with each family of sextupoles) are powered from the same power converter. There is one power converter in sector 1 for all the (32) storage ring bending magnets. Each magnet is a solenoid, but the cable to distribute the power to all of them can be saw globally like on big solenoid with one turn.
In the storage ring, there are also 9 families of sextupoles, each of them powered by converters also placed in sector 1, with the same situation than the bendings. This means that, globally, we have 10 solenoids of one turn of 268.8 meters.
(There are also 14 families of quadrupoles, but in that case there is one power converter per sector and is not contributing to this problem.)
How to compensate this? The problem is not when the storage ring magnets are cycling, the issue is when this magnets have set different currents due to many different purposes forces to reconfigure the linac. The easy and smarter solution perhaps is to install another turn to compensate the effect.
Then when the setting of the storage changes, the current of one extra power converter changes to cancel the effect on the linac. But calculate and apply new current values it's a boring thing for a human. Often I say the repetitive and boring task are good for computers, and gives free time to humans.
One detail more, some of the magnet turns goes clockwise direction in the storage ring, and some others goes in counter-clockwise direction. That means that they already cancels some of their effects but 0 effect is not grant. That the goal of this compensation turn.
A device server class with the name "RingMagnetCompensarion" is the responsible in the control system to calculate the current to set in the power converter for the compensation turn. This device has some properties:
- [Counter]ClockWise: two lists of magnet device server names
- MagnetAttr: name of the attribute to read/subscribe on the magnets of the lists
- CompensationMagnet: name of the device server where the calculated compensation current will be written
- AttrThreadSleep: Expert property to fine adjust of the refresh on the threaded option of the magnets current refresh
This Magnet class, checks if the attribute to read in the power converter device server have events or not. In case of event, it subscribes to it, but if not, if does a polling to read if the current have changed.
When a magnet object receives from its attrManager the notification of a readback change, this is propagated to the magnetGroup parent object. Why? Because this with update the cw/ccw list of currents and update the summatory. With this summatory updated, it's time to notify the RingMagnetCompensation device to calculate the formula:
Then only rest the event propagation and to write in the compensation power converter device if it's necessary.
Issues: One detected issue that has been already fix is when the magnets are cycling. The compensation power converter range is between 50A to -50A, and during cycling procedure this can be out of this range. Then each magnet object checks if the subdevice have received a command Cycle() to cut the propagation of readback change.
Another issues is the SlewRate of all the power converters involved. This has not tested yet, but it's possible that the speed changing the current in the compensation power converter would be not faster enough to a live response against the current changes on all the magnets in the lists.
2012/01/25
Alba Synchrotron Vacancies
Yesterday, 3 new job offers has been publish in the Alba's website with a few minutes of delay between them:
First was the Accelerator Division Head:
A few minutes later, a position for Experiments Division Head:
And finally, also with a small number of minutes delay, a position for a Director of the facility:
Differences between this offers are "minimals". I mean, for sure they have different functions, but the conditions looks to be the same.
We are still having an acting director and even if the previous experiment division head says that we didn't suffer the Spanish cuts, the reality is that we suffer salaries cuts. All the personnel of Alba (cells) have our salary cut due to a Spanish law. If anyone can think that the cuts didn't affect us, see also that many people left the company during next months after the cut.
But not every thing is bad. A few days a go, the call for experiments proposals from the user office, have finish and we have received hundreds of them. And not only from inside Spain.
First friendly users will come very soon. We are almost ready:
2012/01/24
Hollywood industry origin against piracy
Which was the origin of Hollywood? I have read what wikipedia says in the third paragraph of the previous link:
Sure this doesn't represent all the entertainment industry, but even thinking that the ones who escape from this punitive licensing are a minority of this producers and filmmakers, their group origins are "affected" by that.
Many voices, victim like, are justifying the FBI action of the shutdown of megaupload to say that this place is stealing their incomings. But what about the people, with contents in megaupload without a problem of copyright that with this action are being affected? This action is affecting people with less money than the entertainment industry, but the police is not protecting them.
Furthermore, what's the cost of this international operation? Are the governments of this world expending the same number of money trying to clarify the world's bank crisis/fraud? Are this governments fighting against speculation on the markets, specially in the field of the price of the food? Although the money doesn't exist, the cost of the banks black hole is much bigger than the calculated to eradicate the world's poverty in less than one generation.
It is also ridiculous to see the public show on the TVs with images of the big house of the main boss of megaupload (how big is the house, the number of cars he have and the words he put in the plates, his eccentricities in an european cannonball, the guns he would have at home,...). But what do you expect to find in the big houses of the bosses of the entertainment and similar industries? Do they have less eccentricities? They can't reach the end of the month with their salaries?
It looks like a try to break the public image of this people. It remembers me the George Orwel's 1984. When the people was arrested, a long list of bad actions are repeated everywhere to criminalize the person.
I'm not defending, I'm only talking about the public circus created to change/manipulate opinions. This action is not to fix the problems for the common good, it's only to improve the incomings of the ones who have lots of it.
Various producers and filmmakers moved bases from the east coast to escape punitive licensing from the Motion Picture Patents Company.A funny reading of that can be, the ones who nowadays are "injured" due to the piracy have started their business with tricks to avoid payments on a patent. The ones who nowadays are moving the flag about the intellectual property menace against piracy, they was the ones who escape the law.
Sure this doesn't represent all the entertainment industry, but even thinking that the ones who escape from this punitive licensing are a minority of this producers and filmmakers, their group origins are "affected" by that.
Many voices, victim like, are justifying the FBI action of the shutdown of megaupload to say that this place is stealing their incomings. But what about the people, with contents in megaupload without a problem of copyright that with this action are being affected? This action is affecting people with less money than the entertainment industry, but the police is not protecting them.
Furthermore, what's the cost of this international operation? Are the governments of this world expending the same number of money trying to clarify the world's bank crisis/fraud? Are this governments fighting against speculation on the markets, specially in the field of the price of the food? Although the money doesn't exist, the cost of the banks black hole is much bigger than the calculated to eradicate the world's poverty in less than one generation.
It is also ridiculous to see the public show on the TVs with images of the big house of the main boss of megaupload (how big is the house, the number of cars he have and the words he put in the plates, his eccentricities in an european cannonball, the guns he would have at home,...). But what do you expect to find in the big houses of the bosses of the entertainment and similar industries? Do they have less eccentricities? They can't reach the end of the month with their salaries?
It looks like a try to break the public image of this people. It remembers me the George Orwel's 1984. When the people was arrested, a long list of bad actions are repeated everywhere to criminalize the person.
I'm not defending, I'm only talking about the public circus created to change/manipulate opinions. This action is not to fix the problems for the common good, it's only to improve the incomings of the ones who have lots of it.
2012/01/23
Free internet services
When a dog is bought in a pet shop, the animal has a family for free. It's like when you have a free service (as a free beer) on internet, it means that you are the product...
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