Analyis of Path Profiling Information Generated with Performance Monitoring Hardware (2008)
Alex Shye, Matthew Iyer, David Hodgdon, Dan Fay, Vijay Janapa, Reddi Daniel, ...
Even with the breakthroughs in semiconductor technology that will enable billion transistor designs, hardwarebased architecture paradigms alone cannot substantially improve processor performance. The...
Digital breast screening: does it do what it says on the tin? (2008)
Teape, A, Connors, A, Mclarnon, P
No abstract available.
Code Coverage Testing Using Hardware Performance Monitoring Support ABSTRACT (2008)
Alex Shye, Matthew Iyer, Vijay Janapa, Reddi Daniel, A. Connors
Code coverage analysis, the process of finding code exercised by a particular set of test inputs, is an important component of software development and verification. Most traditional methods of...
Transient Fault Tolerance via Dynamic Process-Level Redundancy (2008)
Alex Shye, Vijay Janapa, Moseley Daniel, A. Connors
Transient faults are emerging as a critical concern in the reliability of microprocessors. While hardware reliability techniques are often employed for transient fault tolerance, software techniques...
COMPTEL Locations and Spectra of Gamma-Ray Bursts (2008)
J. M. Ryan, C. Winkler, L. O. Hanlon, A. Connors, J. Greiner, L. Kuiper, ...
In three years of operation, COMPTEL has measured the locations (mean accuracy 1) and spectra (0.75{30 MeV) of 18 gamma-ray bursts and continues to observe new events every 1{2 months. The existing...
The Angular Distribution of COMPTEL Gamma-Ray Bursts (2008)
J. Ryan, A. Connors, M. Mcconnell
The superior burst location capability of the COMPTEL instrument aboard the Compton Gamma-Ray Observatory allows us to study the small-scale angular distribution of burst sources with good...
Looking for the Source of ~Hour-long Soft X-ray Emission following GRB 780506 (2008)
INTRODUCTION During a 6 hour pointed observation along the Galactic plane near the Carina arm, the HEAO 1 A--4 scintillation detectors (0.1-3 MeV) and A--2 (2--60 keV) proportional counters observed...
MeV Measurements of Gamma-Ray Bursts by CGRO-COMPTEL (2007)
A Connors, Connors Collmar, W Hermsen, L Kuiper, M Mcconnell, F Pelaez, ...
. Since the launch of the Compton Gamma--Ray Observatory in April 1991, the imaging COMPTEL telescope has accumulated positions and 0.75-- 30 MeV spectra of more than thirty gamma-ray bursts within...
V. Schonfelder, K. Bennett, J. J. Blom, H. Bloemen, W. Collmar, A. Connors, ...
, J. Knodlseder x, L. Kuiper y, G.G. Lichti
A. W. Strong, K. Bennett, H. Bloemen, R. Buccheri, M. Busetta, W. Collmar, ...
, J.W. den Herder 2, W. Hermsen 2, L. Kuiper 2, J. Lockwood
COMPTEL detection of the high-energy (2007)
R. Van Dijk, K. Bennett, H. Bloemen, W. Collmar, A. Connors, ...
. We present an analysis of COMPTEL observations made between November 1991 and May 1994 of 2CG 135+01, a bright fl-ray source located near the Galactic plane. At energies above 1 MeV, an excess...
COMPTEL Observation of GRB 930131 (2007)
Kippen Connors, A. Connors, W. Collmar, J. Greiner, L. Hanlon, G. Lichti, ...
On 1993 January 31 at 18:57:11 UT, COMPTEL detected high energy (0.730 MeV) emission from the intense cosmic gamma-ray burst GRB 930131. Upon rapid notification of this burst by the BATSE experiment...
The All-Sky Pulsar Search at 0.75-30 MeV by COMPTEL (2007)
Carrami Nana, K. Bennett, R. Buccheri, M. Busetta, A. Connors, R. Diehl, ...
. Timing analysis of the COMPTEL database from the Compton Gamma-Ray Observatory (CGRO) Phase 1 skysurvey has been performed in search of fl-ray emission from radio pulsars other than Crab and Vela....
COMPTEL Measurements of MeV Gamma-Ray Burst Spectra (2007)
Kippen Ryan, J. Ryan, A. Connors, M. Mcconnell, C. Winkler, L. O. Hanlon, ...
ent of rapid variability at MeV energies in the stronger bursts provides evidence that either the sources are nearby (within the Galaxy) or the gamma-ray emission is relativistically beamed....
Comptel Imaging Of The Galactic Disk And The Separation Of Diffuse Emission And Point Sources (2007)
Bloemen Hermsen, H. Bloemen, W. Hermsen, B. N. Swanenburg, R. Diehl, ...
The first MeV image of the inner Galaxy obtained with the COMPTEL telescope aboard the Compton Observatory shows a structured ridge of emission along the Galactic equator which probably consists of...
Analysis Of Comptel Gamma-Ray Burst Locations And Spectra (2007)
Kippen Ryan, J. Ryan, A. Connors, M. Mcconnell, C. Winkler, L. O. Hanlon, ...
. In its first three years of operation, the COMPTEL instrument on the Compton Gamma-Ray Observatory has measured the locations (mean accuracy ¸1 ffi ) and spectra (0.75--30 MeV) of 18 gamma-ray...
A ROSAT Look for the Source of keV Emission following GRB 780506 (2007)
We have re-analyzed HEAO 1 A-2 data of ¸hour--long 2-6 keV emission following a fl-ray burst, GRB 780506, in order to take advantage of the Rev 2 analysis of a ¸3000 s ROSAT Class C observation....
ATLAS Level-1 Calorimeter Trigger System Architecture (2007)
Bright-Thomas Connors, P. Bright-thomas, A. Connors, J. Garvey, S. Hillier, R. Staley, ...
The Level-1 Calorimeter Trigger is a fast pipelined system for the selection of rare physics processes in the ATLAS experiment at LHC. Its selectivity contributes to a rate reduction from the 40 MHz...
COMPTEL Locations and Spectra of Gamma-Ray Bursts (2007)
Kippen Ryan, J. M. Ryan, C. Winkler, L. O. Hanlon, A. Connors, J. Greiner, ...
In three years of operation, COMPTEL has measured the locations (mean accuracy ¸1 ffi ) and spectra (0.75--30 MeV) of 18 gamma-ray bursts and continues to observe new events every 1--2 months. The...
The Angular Distribution of COMPTEL Gamma-Ray Bursts (2007)
Kippen Ryan, J. Ryan, A. Connors, M. Mcconnell, D. H. Hartmann, C. Winkler, ...
NTRODUCTION The isotropic, inhomogeneous distribution of burst sources derived from BATSE data has led to the general acknowledgment that GRBs could be of cosmological origin. If bursts are...
The e/γ and τ/hadron Processor System for the ATLAS First-Level Trigger (2007)
V. Perera, J. Edwards, A. Gillman, R. Hatley, A. J. Maddox, ...
The e/g and t/hadron first-level trigger system for ATLAS will provide electron/photon and tau/hadron trigger multiplicity information to the Central Trigger Processor (CTP), and region of interest...
COMPTEL Observation of GRB 930131 (2007)
A. Connors, W. Collmar, J. Greiner, L. Hanlon, G. Lichti, W. Hermsen, ...
On 1993 January 31 at 18:57:11 UT, COMPTEL detected high energy (0.7-30 MeV) emission from the intense cosmic gamma-ray burst GRB 930131. Upon rapid notification of this burst by the BATSE experiment...
COMPTEL Observations of X-Ray Binaries (2007)
M. Mcconnell, K. Bennett, W. Collmar, A. Connors, R. Van Dijk, D. Forrest, ...
Over the past several years, there have been sporadic reports of emission at energies> 1 MeV from several X-ray binary (XRB) sources. This includes not only observations in the 1-10 MeV range, but...
Looking for the Source of Hour{long Soft X{ray Emission following GRB 780506 (2007)
was unusual in three respects. First, it was well{measured (by HEAO1 A{2) in 2{60 keV X{rays. Second, two minutes after it ended, HEAO1 A{2 detected a faint resurgence of 2{10 keV ux, lasting roughly...
COMPTEL Measurements of MeV Gamma-Ray Burst Spectra (2007)
J. Ryan, A. Connors, M. Mcconnell, C. Winkler Y, V. Schonfelder Z, ...
We present results from the on-going spectral analysis of gamma-ray bursts measured by the COMPTEL instrument in its main Compton \Telescope " observing mode (0.75{30 MeV). Thus far, 18...
COMPTEL OBSERVATIONS OF CYGNUS X-1 (2007)
M. Mcconnell, A. Connors, D. Forrest, J. Ryan, W. Collmar, R. Diehl, ...
We report on the latest results from an analysis of data on Cygnus X-1 as collected by the COMPTEL experiment on the Compton Gamma-Ray Observatory (CGRO). COMPTEL detected the source around 1 MeV...
The Level 1 Jet Trigger for ATLAS and a Preliminary Study of R-Parity violating Supersymmetry (2000)
Observations of GRB 990123 by the Compton Gamma-Ray Observatory (1999)
Briggs, M. S., Band, D. L., Kippen, R. M., Preece, R. D., Kouveliotou, C., Van Paradijs, J., ...
GRB 990123 was the first burst from which simultaneous optical, X-ray and gamma-ray emission was detected; its afterglow has been followed by an extensive set of radio, optical and X-ray...
The Level 1 Jet Trigger for ATLAS and a Preliminary Study of R-parity Violating Supersymmetry (1999)
This thesis covers work carried out by the author as part of the level-1 Calorimeter Trigger Group for ATLAS. ATLAS (A Torodial LHC ApparatuS) is a general-purpose particle physics experiment...
Observations of GRB 990123 by the Compton gamma ray observatory (1999)
Briggs, M.S., Band, D.L., Kippen, R.M., Preece, R.D., Kouveliotou, C., Paradijs, J.A. Van, ...
GRB 990123 was the first burst from which simultaneous optical, X-ray, and gamma-ray emission was detected; its afterglow has been followed by an extensive set of radio, optical, and X-ray...
The X-Ray Characteristics of a Classical Gamma-Ray Burst and its Afterglow (1998)
The serendipitous observation of GRB 780506 by co-aligned gamma-ray (HEAO 1 A-4 0.02 - 6 MeV) and X-ray (HEAO 1 A-2 2-60 keV) instruments during a six hour pointing at a blank section of the sky gave...
ATLAS level-1 calorimeter trigger system architecture (1998)
Bright-Thomas, P, Connors, A, Garvey, J, Hillier, S, Staley, R, Watson, A, ...
The e/gamma and tau/hadron processor system for the ATLAS first level trigger (1998)
Perera, V, Edwards, J, Gee, C N P, Gillman, A, Hatley, R, Maddox, A J, ...
Test beam results from the ATLAS level-1 calorimeter trigger demonstrator (1998)
Bohm, C, Brawn, I, Bright-Thomas, P, Connors, A, Edwards, J, Eisenhandler, E, ...
Operation of the ATLAS level-1 calorimeter trigger demonstrator system (1997)
Bohm, C, Brawn, I, Connors, A, Edwards, J, Eisenhandler, E, Ellis, N, ...
Performance of the front end demonstrator system for the ATLAS level-1 calorimeter trigger (1997)
Connors, A, Garvey, J, Hillier, S, Staley, R, Watson, A, Brawn, I, ...
COMPTEL detection of the high-energy gamma-ray source 2CG 135+01 (1996)
Van Dijk, R., Bennett, K., Bloemen, H., Collmar, W., Connors, A., Diehl, R., ...
We present an analysis of COMPTEL observations made between November 1991 and May 1994 of 2CG 135+01, a bright gamma-ray source located near the Galactic plane. At energies above 1 MeV, an excess...
A level-1 calorimeter trigger for the ATLAS experiment: Demonstrator system (1996)
Perera, V, Edwards, J, Gee, C N P, Gillman, A, Hatley, R, Leake, J, ...
COMPTEL detection of the high-energy gamma-ray source 2CG 135+01 (1996)
Bennett, K., Bloemen, H., Collmar, W., Connors, A., Diehl, R., ...
Analysis of COMPTEL gamma-ray burst locations and spectra (1995)
Kippen, R M, Ryan, J, Connors, A, McConnel, M, Winkler, C M, Hanlon, L O, ...
Strong gamma-ray bursts observed by COMPTEL during its second year of operation (1995)
Kippen, R M, Connors, A, McConnell, M, Ryan, J, Collmar, W, Greiner, J, ...
The Search for MeV Gamma-Ray Pulsars with COMPTEL (1995)
Bennett Buccheri Busetta, R. Buccheri, M. Busetta, A. Connors, R. Diehl, W. Hermsen, ...
The Compton Gamma Ray Observatory (CGRO) completed a full sky survey in November 1993 during which the number of known fl-ray pulsars more than doubled. During this survey COMPTEL observed the...
Pulsar studies with COMPTEL (1994)
Bennett, K., Busetta, M., Carraminana, A., Diehl, R., Lichti, G., Schoenfelder, V., ...
COMPTEL imaging of the Galactic disk and the separation of diffuse emission and point sources (1994)
Hermsen, W., Swanenburg, B.N., Vries, C.P. De, Diehl, R., Schoenfelder, V., ...
Gamma-ray pulsar studies with COMPTEL (1994)
Hermsen, W., Kuiper, L., Diehl, R., Lichti, G., Schoenfelder, V., Strong, A.W., ...
COMPTEL imaging of the galactic disk and the separation of diffuse emission and point sources (1994)
Bloemen, H., Hermsen, W., Swanenburg, B. N., De Vries, C. P., Diehl, R., Schönfelder, V., ...
COMPTEL detection of the variable radio source GT 0236+610 (1994)
Van Dijk, R., Bloemen, H., Hermsen, W., Collmar, W., Diehl, R., Lichti, G. G., ...
Comparison of BATSE, COMPTEL, EGRET, and OSSE spectra of GRB 910601 (1994)
Share, G. H., Johnson, W. N., Kurfess, J. D., Murphy, R. J., Connors, A., Dingus, B. L., ...
Spectral properties of gamma-ray bursts observed by COMPTEL (1994)
Hanlon, L. O., Bennett, K., Williams, O. R., Winkler, C., Collmar, W., Diehl, R., ...
First results of the BATSE/COMPTEL/NMSU rapid burst response campaign (1994)
Kippen, R. M., Connors, A., Macri, J., McConnell, M., Ryan, J., Collmar, W., ...
Pulsar studies with COMPTEL (1994)
Bennett, K., Busetta, M., Carraminana, A., Diehl, R., Lichti, G., Schoenfelder, V., ...
COMPTEL imaging of the Galactic disk and the separation of diffuse emission and point sources (1994)
Hermsen, W., Swanenburg, B.N., Vries, C.P. De, Diehl, R., Schoenfelder, V., ...
Gamma-ray pulsar studies with COMPTEL (1994)
Hermsen, W., Kuiper, L., Diehl, R., Lichti, G., Schoenfelder, V., Strong, A.W., ...
Recent COMPTEL Observations of Cygnus X-1 (1993)
McConnell, M., Connors, A., Forrest, D., Ryan, J., Collmar, W., Schonfelder, V., ...
COMPTEL Observations of GRB 930131 (1993)
Kippen, R.M., Connors, A., McConnell, M., Ryan, J., Collmar, W., Greiner, J., ...
Initial results from COMPTEL onboard GRO (1993)
Schoenfelder, V., Bennett, K., Boer, H. De, Busetta, M., Collmar, W., ...
Pulsar studies with GRO-COMPTEL (1993)
Buccheri, R., Bennett, K., Busetta, M., Carraminana, A., Collmar, W., Connors, A., ...
Gamma-ray burst studies by COMPTEL during its first year of operation (1993)
Winkler, C., Bennett, K., Hanlon, L., Williams, O. R., Collmar, W., Diehl, R., ...
COMPTEL observations of CYGNUS X-1 (1993)
McConnell, M., Connors, A., Forrest, D., Ryan, J., Collmar, W., Diehl, R., ...
COMPTEL detections of the vela pulsar: first energy spectra (1993)
Hermsen, W., Bloemen, H., Kuiper, L., Swanenburg, B. N., Diehl, R., Lichti, G. G., ...
Time variability analysis of the COMPTEL crab light curve (1993)
Carraminana, A., Bennett, K., Busetta, M., Schönfelder, V., Strong, A., Hermsen, W., ...
Pulsar searches with COMPTEL (1993)
Bennett, K., Busetta, M., Carraminana, A., Collmar, W., Diehl, R., Lichti, G., ...
Initial results from COMPTEL - an overview (1993)
Schönfelder, V., Collmar, W., Diehl, R., Lichti, G. G., Steinle, H., Strong, A., ...
COMPTEL observations of the inner galaxy (1993)
Bloemen, H., De Boer, H., Van Dijk, R., Den Herder, J. W., Hermsen, W., Kuiper, L., ...
Recent COMPTEL Observations of Cygnus X-1 (1993)
McConnell, M., Connors, A., Forrest, D., Ryan, J., Collmar, W., Schonfelder, V., ...
COMPTEL Observations of GRB 930131 (1993)
Kippen, R.M., Connors, A., McConnell, M., Ryan, J., Collmar, W., Greiner, J., ...
Initial results from COMPTEL onboard GRO (1993)
Schoenfelder, V., Bennett, K., Boer, H. De, Busetta, M., Collmar, W., ...
Pulsar studies with GRO-COMPTEL (1993)
Buccheri, R., Bennett, K., Busetta, M., Carraminana, A., Collmar, W., Connors, A., ...
Scientific objectives and first results from COMPTEL (1992)
Schoenfelder, V., Bennett, K., Deboer, H., Busetta, M., Collmar, W., ...
The gamma-ray burst of 3 May 1991 observed by COMPTEL on board GRO (1992)
Winkler, C., Bennett, K., Collmar, W., Connors, A., Diehl, R., ...
Scientific objectives and first results from COMPTEL (1992)
Schoenfelder, V., Bennett, K., Deboer, H., Busetta, M., Collmar, W., ...
The gamma-ray burst of 3 May 1991 observed by COMPTEL on board GRO (1992)
Winkler, C., Bennett, K., Collmar, W., Connors, A., Diehl, R., ...
COMPTEL Observations of the Crab and Vela Pulsars (1992)
Bennett Aarts, K. Bennett, H. Aarts, H. Bloemen, R. Buccheri, M. Busetta, ...
. --- The COMPTEL gamma-ray telescope, sensitive in the range 0.7--30 MeV, has viewed the Crab and Vela Pulsars. The light curves observed from both objects have been derived in several energy bands....