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Opto-electrical characterization and X-ray mapping of large-volume cadmium zinc telluride radiation detectors
Large-volume cadmium zinc telluride (CZT) radiation detectors would greatly improve radiation detection capabilities and, therefore, attract extensive scientific and commercial interests. CZT crystals with volumes as large as hundreds of centimeters can be achieved today due to improvements in the crystal growth technology. However, the poor performance of large-volume CZT detectors is still a challenging problem affecting the commercialization of CZT detectors and imaging arrays. We have employed Pockels effect measurements and synchrotron X-ray mapping techniques to investigate the performance-limiting factors for large-volume CZT detectors. Experimental results with the above characterization methods reveal the non-uniform distribution of internal electric field of large-volume CZT detectors, which help us to better understand the responsible mechanism for the insufficient carrier collection in large-volume CZT detectors.
Date:
April 13, 2009
Creator:
Yang, G.; Bolotnikov, A.E.; Camarda, G.S.; Cui, Y.; Hossain, A.; Yao, H.W. et al.
Object Type:
Article
System:
The UNT Digital Library
Oral History Interview with Paul Massier, April 13, 2009
The National Museum of the Pacific War presents an oral interview with Paul Massier. Massier enrolled in the Army Specialized Training Program after two years of studying mechanical engineering. He was inducted in June 1943 and expected to finish school at Texas A&M. After basic training however, Massier was assigned to the 99th Infantry Division as a rifleman when the program was cut short. He was unhappy with this arrangement, as many of the officers were not well educated. After learning that he had osteoarthritis and torn ligaments, he was given a noncombat assignment at the Camp Swift medical depot. Sent to Okinawa in 1945, he sought refuge in the bottom of the ship when strafed by enemy planes. Unable to dig trenches on the hard beach, Massier slept on the ground and was frightened as anti-aircraft flak rained down around him. Although the northern part of islands were off limits to military personnel, Massier snuck through and discovered tombs as a well a tea plantation. After the war, Massier survived a major typhoon that destroyed the roof of their medical supply building. He returned home and was discharged in March 1946.
Date:
April 13, 2009
Creator:
Massier, Paul
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with Paul Massier, April 13, 2009
The National Museum of the Pacific War presents an oral interview with Paul Massier. Massier enrolled in the Army Specialized Training Program after two years of studying mechanical engineering. He was inducted in June 1943 and expected to finish school at Texas A&M. After basic training however, Massier was assigned to the 99th Infantry Division as a rifleman when the program was cut short. He was unhappy with this arrangement, as many of the officers were not well educated. After learning that he had osteoarthritis and torn ligaments, he was given a noncombat assignment at the Camp Swift medical depot. Sent to Okinawa in 1945, he sought refuge in the bottom of the ship when strafed by enemy planes. Unable to dig trenches on the hard beach, Massier slept on the ground and was frightened as anti-aircraft flak rained down around him. Although the northern part of islands were off limits to military personnel, Massier snuck through and discovered tombs as a well a tea plantation. After the war, Massier survived a major typhoon that destroyed the roof of their medical supply building. He returned home and was discharged in March 1946.
Date:
April 13, 2009
Creator:
Massier, Paul
Object Type:
Text
System:
The Portal to Texas History
Oral History Interview with William Wareing, April 13, 2009
The National Museum of the Pacific War presents an oral interview with William Wareing. Wareing attended the Hawken School as a child, impressing upon him the value of discipline. He later joined the ROTC and the Kentucky National Guard. With war looming, he applied both to the Army Air Corps and Royal Canadian Air Force. Accepted by both, he chose the Air Corps, completing flight training in December 1941 as a second lieutenant. After two years as an instructor, he was appointed to oversee curriculum at various flight schools. By that time, he was a captain and he turned down a promotion to major in favor of attending B-29 school. He then joined the 500th Bombardment Group, flying exactly one mission, the final bombardment of Japan, days after the second atomic bomb was dropped. Under antiaircraft fire, Wareing risked being court-martialed to break formation and ensure proper targeting. Following the war, Wareing dropped supplies over POW camps in Formosa and China. When one of his flights was diverted, he came so close to crashing into a mountainside that he caught a leaf in his landing gear. In November 1945 he was discharged in order to see his dying mother. Wareing …
Date:
April 13, 2009
Creator:
Wareing, William
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with William Wareing, April 13, 2009
The National Museum of the Pacific War presents an oral interview with William Wareing. Wareing attended the Hawken School as a child, impressing upon him the value of discipline. He later joined the ROTC and the Kentucky National Guard. With war looming, he applied both to the Army Air Corps and Royal Canadian Air Force. Accepted by both, he chose the Air Corps, completing flight training in December 1941 as a second lieutenant. After two years as an instructor, he was appointed to oversee curriculum at various flight schools. By that time, he was a captain and he turned down a promotion to major in favor of attending B-29 school. He then joined the 500th Bombardment Group, flying exactly one mission, the final bombardment of Japan, days after the second atomic bomb was dropped. Under antiaircraft fire, Wareing risked being court-martialed to break formation and ensure proper targeting. Following the war, Wareing dropped supplies over POW camps in Formosa and China. When one of his flights was diverted, he came so close to crashing into a mountainside that he caught a leaf in his landing gear. In November 1945 he was discharged in order to see his dying mother. Wareing …
Date:
April 13, 2009
Creator:
Wareing, William
Object Type:
Text
System:
The Portal to Texas History
[Portrait of Andrew May]
Photograph of Andrew May, Associate Professor of Composition at the University of North Texas. May is looking at the camera and smiling.
Date:
[2009-04-13..2009-04-15]
Creator:
University of North Texas. College of Music.
Object Type:
Photograph
System:
The UNT Digital Library
[Portrait of Elizabeth McNutt]
Photograph of Elizabeth McNutt, flutist and Principal Lecturer at the University of North Texas. McNutt is looking at the camera and holding a flute.
Date:
[2009-04-13..2009-04-15]
Creator:
University of North Texas. College of Music.
Object Type:
Photograph
System:
The UNT Digital Library
[Portrait of Paul Wilson]
Photograph of composer Paul Wilson taken from the neck up. Wilson is looking to the right of the camera with a straight face.
Date:
[2009-04-13..2009-04-15]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Portrait of Ricardo Climent]
Photograph of composer Ricardo Climent taken from the neck up. Climent is looking to the left of the camera with a furrowed brow.
Date:
[2009-04-13..2009-04-15]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
[Portrait of Robert Rowe]
Photograph of composer Robert Rowe, taken from the neck up. Rowe is looking to the left of the camera with a straight face.
Date:
[2009-04-13..2009-04-15]
Creator:
unknown
Object Type:
Photograph
System:
The UNT Digital Library
Search for b\to u Transitions in \Bz \to \Dz \Kstarz Decays
We present a study of the decays B{sup 0} {yields} D{sup 0} K*{sup 0} and B{sup 0} {yields} {bar D}{sup 0} K*{sup 0} with K*{sup 0} {yields} K{sup +}{pi}{sup -}. The D{sup 0} and the {bar D}{sup 0} mesons are reconstructed in the final states f = K{sup +} {pi}{sup -}, K{sup +}{pi}{sup -}{pi}{sup 0}, K{sup +}{pi}{sup -}{pi}{sup +}{pi}{sup -} and their charge conjugates. Using a sample of 465 million B{bar B} pairs collected with the BABAR detector at PEP-II asymmetric-energy e{sup +}e{sup -} collider at SLAC, we measure the ratio R{sub ADS} {triple_bond} [{Lambda}({bar B}{sup 0} {yields} [f]{sub D}{bar K}*{sup 0}) + {Lambda}(B{sup 0} {yields} [{bar f}]{sub D}K*{sup 0})]/[{Lambda}({bar B}{sup 0} {yields} [{bar f}]{sub D}{bar K}*{sup 0}) + {Lambda}(B{sup 0} {yields} [f]{sub D}K*{sup 0})] for the three final states. We do not find significant evidence for a signal and set the following limits at 95% probability: R{sub ADS}(K{pi}) < 0.244, R{sub ADS}(K{pi}{pi}{sup 0}) < 0.181 and R{sub ADS}(K{pi}{pi}{pi}) < 0.391. From the combination of these three results, we find that the ratio r{sub S} between the b {yields} u and the b {yields} c amplitudes lies in the range [0.07; 0.41] at 95% probability.
Date:
April 13, 2009
Creator:
Aubert, B.; Bona, M.; Karyotakis, Y.; Lees, J. P.; Poireau, V.; Prencipe, E. et al.
Object Type:
Article
System:
The UNT Digital Library
Selected Health Funding in the American Recovery and Reinvestment Act of 2009
The American Recovery and Reinvestment Act (ARRA) of 2009, which the President signed into law on February 17, 2009, provided more than $17 billion in supplemental FY2009 discretionary appropriations for biomedical research, public health, and other health-related programs within the Department of Health and Human Services (HHS). This report discusses the health-related programs and activities funded by ARRA, including details of how the administering HHS agencies and offices plan to allocate, award, and spend the funds.
Date:
April 13, 2009
Creator:
Redhead, C. S.; Lister, Sarah A.; Reyes-Akinbileje, Bernice; Smith, Pamela W.; Sommers, Andrew R. & Walke, Roger
Object Type:
Report
System:
The UNT Digital Library
Sweetwater Reporter (Sweetwater, Tex.), Vol. 111, No. 126, Ed. 1 Monday, April 13, 2009
Daily newspaper from Sweetwater, Texas that includes local, state, and national news along with advertising.
Date:
April 13, 2009
Creator:
Rodriguez, Tatiana
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Attorney General Opinion: GA-0707
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Greg Abbott, regarding a legal question submitted for clarification: Calculation of the "total return on all investment assets of the permanent school fund" for purposes of article VII, subsection 5(a)(2), Texas Constitution (RQ-0758-GA).
Date:
April 13, 2009
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
[Tornado Project S09 participants]
Photograph of Tornado Project S09 participants (l-r) Andrew May, Ricardo Climent, Paul Wilson, Eric Lyon, Esther Lamneck, Elizabeth McNutt, and Robert Rowe. Members of the group are standing side by side, facing the camera.
Date:
[2009-04-13..2009-04-15]
Creator:
University of North Texas. College of Music.
Object Type:
Photograph
System:
The UNT Digital Library
The Altus Times (Altus, Okla.), Vol. 109, No. 270, Ed. 1 Sunday, April 13, 2008
Daily newspaper from Altus, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 13, 2008
Creator:
Bush, Michael
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
The Baytown Sun (Baytown, Tex.), Vol. 88, No. 104, Ed. 1 Sunday, April 13, 2008
Daily newspaper from Baytown, Texas that includes local, state, and national news along with advertising.
Date:
April 13, 2008
Creator:
Clements, Clifford E.
Object Type:
Newspaper
System:
The Portal to Texas History
Doctoral Recital: 2008-04-13 - Hyunjoo Song, piano
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Doctor of Musical Arts (DMA) degree.
Date:
April 13, 2008
Creator:
Song, Hyunjoo
Object Type:
Sound
System:
The UNT Digital Library
Doctoral Recital: 2008-04-13 - Katrin Meidell, viola
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Doctor of Musical Arts (DMA) degree.
Date:
April 13, 2008
Creator:
Meidell, Katrin
Object Type:
Sound
System:
The UNT Digital Library
Ensemble: 2008-04-13 – Opera
Access:
Use of this item is restricted to the UNT Community
Recording of the second Sunday afternoon performance of the opera "A Midsummer Night's Dream" at the UNT College of Music Lyric Theater.
Date:
April 13, 2008, 3:00 p.m.
Creator:
University of North Texas. Division of Vocal Studies. Opera.
Object Type:
Sound
System:
The UNT Digital Library
The Express-Star (Chickasha, Okla.), Ed. 1 Sunday, April 13, 2008
Daily newspaper from Chickasha, Oklahoma that includes local, state, and national news along with advertising.
Date:
April 13, 2008
Creator:
Wilson, Chris
Object Type:
Newspaper
System:
The Gateway to Oklahoma History
Multi-year search for a diffuse flxu of muon neutrinos with AMANDA-II
A search for TeV-PeV muon neutrinos from unresolved sources was performed on AMANDA-II data collected between 2000 and 2003 with an equivalent livetime of 807 days. This diffuse analysis sought to find an extraterrestrial neutrino flux from sources with non-thermal components. The signal is expected to have a harder spectrum than the atmospheric muon and neutrino backgrounds. Since no excess of events was seen in the data over the expected background, an upper limit of E{sup 2}{Phi}{sub 90%C.L.} < 7.4 x 10{sup -8} GeV cm{sup -2} s{sup -1} sr{sup -1} is placed on the diffuse flux of muon neutrinos with a {Phi} {proportional_to} E{sup -2} spectrum in the energy range 16 TeV to 2.5 PeV. This is currently the most sensitive {Phi} {proportional_to} E{sup -2} diffuse astrophysical neutrino limit. We also set upper limits for astrophysical and prompt neutrino models, all of which have spectra different than {Phi} {proportional_to} E{sup -2}.
Date:
April 13, 2008
Creator:
Collaboration, IceCube; Klein, Spencer; Achterberg, A. & Collaboration, IceCube
Object Type:
Article
System:
The UNT Digital Library
Oral History Interview with William P. Gattis, April 13, 2008
The National Museum of the Pacific War presents an interview with William P Gattis. Gattis joined the Navy in May of 1941. Soon after joining, he was assigned to the USS Henderson (AP-1). Upon arriving at Pearl Harbor, Gattis volunteered to join the submarine forces. He was quickly assigned to the USS Sargo (SS-188). They departed Pearl Harbor in October of 1941, arrived in Manila in November, and were there when the Japanese attacked. He was later transferred off the Sargo to the Great Lakes Naval Training Station to complete Chief Commissary Steward School, and was then assigned to the USS Salmon (SS-182). In April of 1945, he was transferred to the USS Stickleback (SS-415). He was discharged in Mary of 1947.
Date:
April 13, 2008
Creator:
Gattis, William P
Object Type:
Sound
System:
The Portal to Texas History
Oral History Interview with William P. Gattis, April 13, 2008
The National Museum of the Pacific War presents an interview with William P Gattis. Gattis joined the Navy in May of 1941. Soon after joining, he was assigned to the USS Henderson (AP-1). Upon arriving at Pearl Harbor, Gattis volunteered to join the submarine forces. He was quickly assigned to the USS Sargo (SS-188). They departed Pearl Harbor in October of 1941, arrived in Manila in November, and were there when the Japanese attacked. He was later transferred off the Sargo to the Great Lakes Naval Training Station to complete Chief Commissary Steward School, and was then assigned to the USS Salmon (SS-182). In April of 1945, he was transferred to the USS Stickleback (SS-415). He was discharged in Mary of 1947.
Date:
April 13, 2008
Creator:
Gattis, William P
Object Type:
Text
System:
The Portal to Texas History