What is LHC@home?

This a research project that uses Internet-connected computers to advance Particle and Accelerator Physics. Participate by downloading and running a free program on your computer. By default, you can run the classic LHC@home application Sixtrack, for simulations of accelerator physics, and help researchers at CERN to improve the LHC.

Other LHC@home simulations that utilizes virtualization to run applications for Theory and experiment simulations for ATLAS, CMS and LHCb are also available.

Please note that some of the applications on LHC@home requre Virtual Box to be installed. Please visit the LHC@home information site for more information. If you have any problems or questions please visit the Message Boards, Questions and Answers and FAQ.

Join LHC@home

User of the Day

User profile Profile RoboRoy
Greetings from the Deadwood Empire - specifically Hohum, er Humboldt Co CA USA NA 3rd rock from sunI'm at the 4th stage of life ie I look like Santa...


Server upgrade
The LHC@home BOINC servers will be upgraded to the latest BOINC server release Tuesday morning at 8AM GMT. BOINC services like upload/download and task validation and assimilation will be paused for about 1 hour during the intervention to update our servers.
10 Dec 2018, 15:43:39 UTC · Discuss

Pausing submission of LHCb Applications
Dear BOINC Volunteers,

LHCb has been very grateful to the BOINC community in the past years for their support and provisioning of computing resources to run LHCb simulation jobs. Since the start of the service for LHCb you have provided computing resources that allowed us to execute a fantastic amount of 3.1 Million successful jobs which simulated 142'740'087 events. This work considerably contributed to the work of the experiment. Many thanks to you all !!!

Despite this success we have also observed that the work in connection to BOINC operations has grown in the past within the LHCb computing project and after internal discussions we have decided to pause the operations of the service and therefore not to run LHCb applications via BOINC for the time being with the possibility to re-open the service in the future.

Please note that the possibility to contribute computing resources to other BOINC projects stays untouched by this decision and we would like to encourage you to continue supporting also the other projects represented via the LHC@home BOINC service.

For now I would like to re-state my thanks to you, the BOINC community, for your support.

Best regards

Dr. Stefan Roiser
LHCb Computing Project Leader
19 Nov 2018, 15:26:59 UTC · Discuss

SixTrack news
Dear Volunteers,

In spite of the break and lack of simulation work things are moving behind the scenes! Most of the trackers have been busy with the preparation of and attendance to the HiLumi annual collaboration meeting. For instance:
* new scanning parameters for DA studies, to shed some light on open points concerning the different behavior of the two beams in the LHC:
* an update of DA results to the latest developments on HL-LHC optics:

The collaboration meeting is the most important event of the large collaboration, led by CERN, that is designing and building the High-Luminosity upgrade of the LHC. This is not only a forum to present and discuss recent results, but also an event that inspires new ideas and studies. Therefore, we would like to announce that in few weeks we will be back to you, counting on your usual fantastic and essential support, to launch new simulation campaigns!

Stay tuned!

Alessio and Massimo, for the SixTrack team
19 Oct 2018, 8:17:24 UTC · Discuss

Unexpected server downtime
Due to a failure on part of our computing infrastructure that also prevented our fail-over mechanism to work, the LHC@home web server was unavailable until this morning. Sorry for this, and thanks for your contributions to our project.
4 Oct 2018, 8:09:13 UTC · Discuss

test of SixTrack 5.00.00
Dear all,
we are in the process of testing a new sixtrack version, i.e. 5.00.00. This is a true upgrade of the code, which has been re-factored deeply - including dynamic memory allocation. Moreover, it provides fixes to the physics already implemented, e.g. solenoidal fields and online aperture checking, and brand new implementations, e.g. electron lenses and ion tracking. We are finalising the implementations, hence the version running as sixtracktest is a quick test of the main functionalities and code re-factoring.
More to come in the next days / weeks.
Thanks a lot for your precious help!
Keep up the good work, and happy crunching!
Alessio, for the SixTrack team
27 Jun 2018, 7:13:28 UTC · Discuss

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