Search Results - "Grimm, T.L."

Mechanical Properties of High RRR Niobium With Different Texture by Jiang, H., Baars, D., Zamiri, A., Antonie, C., Bauer, P., Bieler, T.R., Pourboghrat, F., Compton, C., Grimm, T.L.

“…High purity bulk niobium RRR ~ 300 is the standard material used for SRF cavities since this has been the most promising material for over 10 years. Mechanical…”
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Measurements of Thermal Conductivity and Kapitza Conductance of Niobium for SRF Cavities for Various Treatments by Aizaz, A., Bauer, P., Grimm, T.L., Wright, N.T., Antoine, C.Z.

“…Niobium is the material of choice for making the superconducting radio frequency cavities used in present-day accelerators for the acceleration of charged…”
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New directions in superconducting radio frequency cavities for accelerators by Grimm, T.L., Aizaz, A., Johnson, M., Hartung, W., Marti, F., Meidlinger, D., Meidlinger, M., Popielarski, J., York, R.C.

“…Superconducting radio frequency (SRF) cavities used in present-day accelerators for the acceleration of charged particles near the speed of light are based on…”
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805 MHz high power input coupler for SRF cavity in a RIA cryomodule by Quan-Sheng Shu, Susta, J., Guangfeng Cheng, Grimm, T.L., Popielarski, J., Hartung, W., Einarson, S., Treado, T.A.

“…The Rare Isotope Accelerator uses 805 MHz superconducting rf cavities in the linac. Power is transmitted capacitively into the cavities via a high power input…”
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On mechanical properties of the superconducting niobium by Zamiri, A., Pourboghrat, F., Jiang, H., Bieler, T.R., Barlat, F., Brem, J., Compton, C., Grimm, T.L.

“…The overall mechanical properties of the high purity niobium (RRR) sheets, which are used in fabrication of the superconducting accelerator cavities, were…”
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High-current SRF cavity design by Meidlinger, D., Grimm, T.L., Hartung, W.

“…For high current applications, it is desirable for the cavity shape to have a low longitudinal loss factor and to have a high beam-breakup threshold current…”
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Cold rolling evolution in high purity niobium using a tapered wedge specimen by Jiang, H., Bieler, T.R., Compton, C., Grimm, T.L.

“…A tapered wedge niobium specimen was rolled at room temperature with multiple passes in the same direction without lubricant and then annealed at 750 °C for 1…”
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Adaptive feedforward cancellation of sinusoidal disturbances in superconducting RF cavities by Kandil, T.H., Khalil, H.K., Vincent, J., Grimm, T.L., Hartung, W., Popielarski, J., York, R.C., Seshagiri, S.

“…A control method, known as adaptive feedforward cancellation (AFC), is applied to damp sinusoidal disturbances due to microphonics in superconducting radio…”
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Design of half-reentrant SRF cavities by Meidlinger, M., Grimm, T.L., Hartung, W.

“…The shape of a TeSLA inner cell can be improved to lower the peak surface magnetic field at the expense of a higher peak surface electric field by making the…”
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Creep and dimensional stability of high purity niobium electron-beam welds by Jiang, H., Bieler, T.R., Compton, C., Grimm, T.L.

“…A study was conducted to characterize the microstructure of electron beam welds in high purity niobium and its effect on creep behaviour at room temperature…”
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Design of half-reentrant SRF cavities for heavy ion linacs by Popielarski, J.T., Grimm, T.L., Hartung, W., York, R.C.

“…The Spallation Neutron Source (Oak Ridge), the proposed 8 GeV Proton Driver (Fermilab), and the proposed Rare Isotope Accelerator use multi-cell elliptical SRF…”
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Beam dynamics studies for the reacceleration of low energy ribs at the NSCL by Wu, X., Bollen, G., Doleans, M., Grimm, T.L., Lawton, D., Marti, F., Schwarz, S., York, R.C., Zhao, Q.

“…Rare Isotope Beams (RIBs) are created at the National Superconducting Cyclotron Laboratory (NSCL) by the in-flight particle fragmentation method. A novel…”
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End-to-end beam dynamics simulations of the isf driver linac by Zhao, Q., Doleans, M., Grimm, T.L., Marti, F., Schriber, S.O., Wu, X.

“…The proposed Isotope Science Facility (ISF) is a major upgrade of the coupled cyclotron facility at the National Superconducting Cyclotron Laboratory (NSCL)…”
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Failure Modes Analysis for the MSU RIA Driver Linac by Wu, X., Doleans, M., Gorelov, D., Grimm, T.L., Marti, F., York, R.C.

“…Previous end-to-end beam dynamics simulation studies [1] using experimentally-based input beam parameters [2], including alignment and rf errors and variation…”
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Improvement of the Longitudinal Beam Dynamics Tuning Procedure for the MSU RIA Driver Linac by Doleans, M., Gorelov, D., Grimm, T.L., Marti, F., Wu, X., York, R.C.

“…The Rare Isotope Accelerator (RIA) driver linac will use a superconducting, cw linac with independently phased superconducting rf cavities for acceleration and…”
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A superferric quadrupole for use in an SRF cryomodule by Zeller, A.F., DeKamp, J.C., Facco, A., Grimm, T.L., Kim, J., Zink, R.

“…A superferric quadrupole for use in a superconducting radio frequency (SRF) cryomodule has been designed and constructed. Even though the quad has a poor…”
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Cryomodule Design for A Superconducting Linac with Quarter-Wave, Half-Wave and Focusing Elements by Johnson, M., Bierwagen, J., Bricker, S., Compton, C., Glennon, P., Grimm, T.L., Hartung, W., Harvell, D., Moblo, A., Popielarski, J., Saxton, L., York, R.C., Zeller, A.

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A superferric quadrupole for use in an SRF cryomodule by Zeller, A.F, DeKamp, J.C, Facco, A, Grimm, T.L, Kim, J, Zink, R

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Experimental study of an ion cyclotron resonance accelerator by Ramsell, C.T., Grimm, T.L., York, R.C.

“…The Ion Cyclotron Resonance Accelerator (ICRA) uses a novel geometry which combines the radial confinement and azimuthal acceleration of cyclotrons together…”
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Ion Cyclotron Resonance Accelerator by Grimm, T.L., Ramsell, C.T., York, R.C.

“…The Ion Cyclotron Resonance Accelerator (ICRA) is ideally suited for the production of radioisotopes or neutrons. The general theory of the ICRA and the…”
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