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Hello Takashi, I used the 2.2 GeV geometry (which does list a field strength of 0.5 T), but I did not set anything else. Is there another place I need to manually specify this? Thanks, Kyle On Thu, Nov 14, 2013 at 11:36 AM, Maruyama, Takashi <[log in to unmask]>wrote: > To maintain the chicane configuration, the magnetic field strength must > scale with the beam energy: 1.5 Tesla at 6.6 GeV and 0.5 Tesla at 2.2 GeV. > Is the field set correctly at 2.2 GeV? > Takashi > > -----Original Message----- > From: [log in to unmask] [mailto: > [log in to unmask]] On Behalf Of Kyle McCarty > Sent: Thursday, November 14, 2013 8:32 AM > To: hps-software > Subject: 2.2 GeV Detector Magnetic Field > > Hello hps-software, > > > I was performing an analysis on 2.2 GeV data as an extension of the > analysis I performed for the 6.6 GeV data earlier, and noticed a bit of an > anomaly. It appears that the beam is angled too strongly toward the > electron side of the detector. If we consider, say, the background hits > above 50 MeV, we can see that the center of the beam seems to be nearly to > the electron edge of the beam hole. > > > These were generated using > > > hps-detectors/detectors/HPS-Proposal2014-v4-2pt2/HPS-Proposal2014-v4-2pt2.lcdd > > hps-detectors/detectors/HPS-Proposal2014-v5-2pt2/HPS-Proposal2014-v5-2pt2.lcdd > > > for the V4 and V5 geometries respectively. I used SLIC version 3.1.1 and > GEANT4 version 9.6.1. > > Is this an issue with the magnetic field alignment in the geometry? > Perhaps the alignment of the beam in the data files? If it is the latter, > how would I check that? > > > I have attached the plots I generated for the background for reference. > The naming convention is "CalorimeterHits_XXXX" where XXXX is the energy > cut applied in MeV. Also, as a comparison, I have attached a 6.6 GeV > background plot as well. > > > Thanks, > > Kyle > > > ________________________________ > > > Use REPLY-ALL to reply to list > > To unsubscribe from the HPS-SOFTWARE list, click the following link: > https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1 > > ######################################################################## Use REPLY-ALL to reply to list To unsubscribe from the HPS-SOFTWARE list, click the following link: https://listserv.slac.stanford.edu/cgi-bin/wa?SUBED1=HPS-SOFTWARE&A=1