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Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade

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Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade. / Hara, K.; Chilingarov, Alexandre; Fox, Harald.
In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Vol. 831, 21.09.2016, p. 181-188.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

Hara, K, Chilingarov, A & Fox, H 2016, 'Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade', Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol. 831, pp. 181-188. https://doi.org/10.1016/j.nima.2016.04.035

APA

Hara, K., Chilingarov, A., & Fox, H. (2016). Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 831, 181-188. https://doi.org/10.1016/j.nima.2016.04.035

Vancouver

Hara K, Chilingarov A, Fox H. Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2016 Sept 21;831:181-188. Epub 2016 Apr 13. doi: 10.1016/j.nima.2016.04.035

Author

Hara, K. ; Chilingarov, Alexandre ; Fox, Harald. / Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade. In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 2016 ; Vol. 831. pp. 181-188.

Bibtex

@article{30a9f11fb1744862bf42c1b404c17703,
title = "Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade",
abstract = "The ATLAS group has evaluated the charge collection in silicon microstrip sensors irradiated up to a fluence of 1×10161×1016 n eqeq/cm2 , exceeding the maximum of 1.6×10151.6×1015 n eqeq/cm2 expected for the strip tracker during the high luminosity LHC (HL-LHC) period including a safety factor of 2. The ATLAS12, n+-on-p type sensor, which is fabricated by Hamamatsu Photonics (HPK) on float zone (FZ) substrates, is the latest barrel sensor prototype. The charge collection from the irradiated 1×1 cm2 barrel test sensors has been evaluated systematically using penetrating β-rays and an Alibava readout system. The data obtained at different measurement sites are compared with each other and with the results obtained from the previous ATLAS07 design. The results are very consistent, in particular, when the deposit charge is normalized by the sensor's active thickness derived from the edge transient current technique (edge-TCT) measurements. The measurements obtained using β-rays are verified to be consistent with the measurements using an electron beam. The edge-TCT is also effective for evaluating the field profiles across the depth. The differences between the irradiated ATLAS07 and ATLAS12 samples have been examined along with the differences among the samples irradiated with different radiation sources: neutrons, protons, and pions. The studies of the bulk properties of the devices show that the devices can yield a sufficiently large signal for the expected fluence range in the HL-LHC, thereby acting as precision tracking sensors.",
keywords = "High luminosity Large Hadron Collider, Microstrip sensor, Charge collection, Edge transient current technique, Field profile",
author = "K. Hara and Alexandre Chilingarov and Harald Fox",
year = "2016",
month = sep,
day = "21",
doi = "10.1016/j.nima.2016.04.035",
language = "English",
volume = "831",
pages = "181--188",
journal = "Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment",
issn = "0168-9002",
publisher = "ELSEVIER SCIENCE BV",

}

RIS

TY - JOUR

T1 - Charge collection and field profile studies of heavily irradiated strip sensors for the ATLAS inner tracker upgrade

AU - Hara, K.

AU - Chilingarov, Alexandre

AU - Fox, Harald

PY - 2016/9/21

Y1 - 2016/9/21

N2 - The ATLAS group has evaluated the charge collection in silicon microstrip sensors irradiated up to a fluence of 1×10161×1016 n eqeq/cm2 , exceeding the maximum of 1.6×10151.6×1015 n eqeq/cm2 expected for the strip tracker during the high luminosity LHC (HL-LHC) period including a safety factor of 2. The ATLAS12, n+-on-p type sensor, which is fabricated by Hamamatsu Photonics (HPK) on float zone (FZ) substrates, is the latest barrel sensor prototype. The charge collection from the irradiated 1×1 cm2 barrel test sensors has been evaluated systematically using penetrating β-rays and an Alibava readout system. The data obtained at different measurement sites are compared with each other and with the results obtained from the previous ATLAS07 design. The results are very consistent, in particular, when the deposit charge is normalized by the sensor's active thickness derived from the edge transient current technique (edge-TCT) measurements. The measurements obtained using β-rays are verified to be consistent with the measurements using an electron beam. The edge-TCT is also effective for evaluating the field profiles across the depth. The differences between the irradiated ATLAS07 and ATLAS12 samples have been examined along with the differences among the samples irradiated with different radiation sources: neutrons, protons, and pions. The studies of the bulk properties of the devices show that the devices can yield a sufficiently large signal for the expected fluence range in the HL-LHC, thereby acting as precision tracking sensors.

AB - The ATLAS group has evaluated the charge collection in silicon microstrip sensors irradiated up to a fluence of 1×10161×1016 n eqeq/cm2 , exceeding the maximum of 1.6×10151.6×1015 n eqeq/cm2 expected for the strip tracker during the high luminosity LHC (HL-LHC) period including a safety factor of 2. The ATLAS12, n+-on-p type sensor, which is fabricated by Hamamatsu Photonics (HPK) on float zone (FZ) substrates, is the latest barrel sensor prototype. The charge collection from the irradiated 1×1 cm2 barrel test sensors has been evaluated systematically using penetrating β-rays and an Alibava readout system. The data obtained at different measurement sites are compared with each other and with the results obtained from the previous ATLAS07 design. The results are very consistent, in particular, when the deposit charge is normalized by the sensor's active thickness derived from the edge transient current technique (edge-TCT) measurements. The measurements obtained using β-rays are verified to be consistent with the measurements using an electron beam. The edge-TCT is also effective for evaluating the field profiles across the depth. The differences between the irradiated ATLAS07 and ATLAS12 samples have been examined along with the differences among the samples irradiated with different radiation sources: neutrons, protons, and pions. The studies of the bulk properties of the devices show that the devices can yield a sufficiently large signal for the expected fluence range in the HL-LHC, thereby acting as precision tracking sensors.

KW - High luminosity Large Hadron Collider

KW - Microstrip sensor

KW - Charge collection

KW - Edge transient current technique

KW - Field profile

U2 - 10.1016/j.nima.2016.04.035

DO - 10.1016/j.nima.2016.04.035

M3 - Journal article

VL - 831

SP - 181

EP - 188

JO - Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

JF - Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment

SN - 0168-9002

ER -