Design and commissioning of a new synchrotron beamline dedicated to X-ray footprinting mass spectrometry

Gupta, S.; Russell, B.; Kristensen, L.G.; de Chant, J.; Lu, A.; Obst-Huebl, L.; Rad, B.; Tyler, J.; Subramanian, S.; Kidd, S.; Paul, S.; Chen, Y.; Petzold, C.J.; Kahan, D.N.; Costello, S.M.; Nakamura, K.; Inman, J.L.; MacDowell, A.A.; Spucces, A.; Ralston, C.Y.

doi:10.1107/S1600577526003711

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Figure 2
The regular bend magnets in the ALS will be replaced as part of the scheduled upgrade to ALS-U. The current bend magnet spectrum for Sector 3 is shown in black (1.27 T, 1.9 GeV, 400 mA), and the new spectrum is shown in red (0.87 T, 2 GeV, 400 mA), calculated based on the Center for X-ray Optics radiation calculator (https://henke.lbl.gov). Calculated total absorbed energy for an XFMS sample, assuming 100 µm sample depth, an air path of 12 cm, and two beamline Be windows (250 micron total thickness) will increase 1.2-fold.

JOURNAL OF
SYNCHROTRON
RADIATION

ISSN: 1600-5775

Volume 33| Part 4| July 2026|

https://doi.org/10.1107/S1600577526003711

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