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University of Massachusetts Amherst

1996

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Articles 1 - 30 of 77

Full-Text Articles in Physical Sciences and Mathematics

International Symposium On Macromolecular Architecture, Otto Vogl, Jane C. Vogl, Tatsuki Kitayama Dec 1996

International Symposium On Macromolecular Architecture, Otto Vogl, Jane C. Vogl, Tatsuki Kitayama

Emeritus Faculty Author Gallery

No abstract provided.


Polymer Science In Vietnam, Otto Vogl, Dang Van Luyen, Dang Mai-Huong Dec 1996

Polymer Science In Vietnam, Otto Vogl, Dang Van Luyen, Dang Mai-Huong

Emeritus Faculty Author Gallery

No abstract provided.


International Symposium On Macromolecular Architecture, Otto Vogl, Jane C. Vogl, Tatsuki Kitayama Dec 1996

International Symposium On Macromolecular Architecture, Otto Vogl, Jane C. Vogl, Tatsuki Kitayama

Otto Vogl

No abstract provided.


Polymer Science In Vietnam, Otto Vogl, Dang Van Luyen, Dang Mai-Huong Dec 1996

Polymer Science In Vietnam, Otto Vogl, Dang Van Luyen, Dang Mai-Huong

Otto Vogl

No abstract provided.


45. Minoru Imoto, Otto Vogl, Tatsuro Ouchi Dec 1996

45. Minoru Imoto, Otto Vogl, Tatsuro Ouchi

Otto Vogl

No abstract provided.


The Electromagnetic Mass Differences Of Pions And Kaons, John F. Donoghue, Antonio F. Pérez Nov 1996

The Electromagnetic Mass Differences Of Pions And Kaons, John F. Donoghue, Antonio F. Pérez

Physics Department Faculty Publication Series

We use the Cottingham method to calculate the pion and kaon electromagnetic mass differences with as few model dependent inputs as possible. The constraints of chiral symmetry at low energy, QCD at high energy and experimental data in between are used in the dispersion relation. We find excellent agreement with experiment for the pion mass difference. The kaon mass difference exhibits a strong violation of the lowest order prediction of Dashen’s theorem, in qualitative agreement with several other recent calculations.


Polymer Science In Croatia, Otto Vogl, Franjo Flajsman, Zvonomir Janovic, Helena Jasna Mencer Nov 1996

Polymer Science In Croatia, Otto Vogl, Franjo Flajsman, Zvonomir Janovic, Helena Jasna Mencer

Emeritus Faculty Author Gallery

No abstract provided.


46. Milan Lazar, Otto Vogl, Lyda Rychla Nov 1996

46. Milan Lazar, Otto Vogl, Lyda Rychla

Emeritus Faculty Author Gallery

No abstract provided.


International Symposium On Ionic Polymerization, Istanbul, Turkey, Otto Vogl, Yusuf Yagci Nov 1996

International Symposium On Ionic Polymerization, Istanbul, Turkey, Otto Vogl, Yusuf Yagci

Emeritus Faculty Author Gallery

No abstract provided.


46. Milan Lazar, Otto Vogl, Lyda Rychla Nov 1996

46. Milan Lazar, Otto Vogl, Lyda Rychla

Otto Vogl

No abstract provided.


Polymer Science In Croatia, Otto Vogl, Franjo Flajsman, Zvonomir Janovic, Helena Jasna Mencer Nov 1996

Polymer Science In Croatia, Otto Vogl, Franjo Flajsman, Zvonomir Janovic, Helena Jasna Mencer

Otto Vogl

No abstract provided.


International Symposium On Ionic Polymerization, Istanbul, Turkey, Otto Vogl, Yusuf Yagci Nov 1996

International Symposium On Ionic Polymerization, Istanbul, Turkey, Otto Vogl, Yusuf Yagci

Otto Vogl

No abstract provided.


Fourth Pacific Polymer Conference: Koloa, Kauai, Otto Vogl, Jane C. Vogl Oct 1996

Fourth Pacific Polymer Conference: Koloa, Kauai, Otto Vogl, Jane C. Vogl

Emeritus Faculty Author Gallery

No abstract provided.


47. Zbigniew Jedlinski, Otto Vogl Oct 1996

47. Zbigniew Jedlinski, Otto Vogl

Emeritus Faculty Author Gallery

No abstract provided.


Fourth Pacific Polymer Conference: Koloa, Kauai, Otto Vogl, Jane C. Vogl Oct 1996

Fourth Pacific Polymer Conference: Koloa, Kauai, Otto Vogl, Jane C. Vogl

Otto Vogl

No abstract provided.


47. Zbigniew Jedlinski, Otto Vogl Oct 1996

47. Zbigniew Jedlinski, Otto Vogl

Otto Vogl

No abstract provided.


International Symposium On Macromolecular Architecture, Otto Vogl, Tatsuki Kitayama Sep 1996

International Symposium On Macromolecular Architecture, Otto Vogl, Tatsuki Kitayama

Emeritus Faculty Author Gallery

No abstract provided.


48. Junji Furukawa, Otto Vogl Sep 1996

48. Junji Furukawa, Otto Vogl

Emeritus Faculty Author Gallery

No abstract provided.


International Symposium On Macromolecular Architecture, Otto Vogl, Tatsuki Kitayama Sep 1996

International Symposium On Macromolecular Architecture, Otto Vogl, Tatsuki Kitayama

Otto Vogl

No abstract provided.


48. Junji Furukawa, Otto Vogl Sep 1996

48. Junji Furukawa, Otto Vogl

Otto Vogl

No abstract provided.


49. J. Johan Lindberg, Otto Vogl, Franciska Sundholm Aug 1996

49. J. Johan Lindberg, Otto Vogl, Franciska Sundholm

Emeritus Faculty Author Gallery

No abstract provided.


49. J. Johan Lindberg, Otto Vogl, Franciska Sundholm Aug 1996

49. J. Johan Lindberg, Otto Vogl, Franciska Sundholm

Otto Vogl

No abstract provided.


The Fate Of Cannibalized Fundamental-Plane Ellipticals, Martin D. Weinberg Jul 1996

The Fate Of Cannibalized Fundamental-Plane Ellipticals, Martin D. Weinberg

Astronomy Department Faculty Publication Series

Evolution and disruption of galaxies orbiting in the gravitational field of a larger cluster galaxy are driven by three coupled mechanisms: 1) the heating due to its time dependent motion in the primary; 2) mass loss due to the tidal strain field; and 3) orbital decay. Previous work demonstrated that tidal heating is effective well inside the impulse approximation limit. Not only does the overall energy increase over previous predictions, but the work is done deep inside the secondary galaxy, e.g. at or inside the half mass radius in most cases. Here, these ideas applied to cannibalization of elliptical galaxies …


The Quantum Theory Of General Relativity At Low Energies, John Donoghue Jul 1996

The Quantum Theory Of General Relativity At Low Energies, John Donoghue

Physics Department Faculty Publication Series

In quantum field theory there is now a well developed technique, effective field theory, which allows one to obtain low energy quantum predictions in “non-renormalizable” theories, using only the degrees of freedom and interactions appropriate for those energies. Whether or not general relativity is truly fundamental, at low energies it is automatically described as a quantum effective field theory and this allows a consistent framework for quantum gravity at ordinary energies. I briefly describe the nature and limits of the technique.


50. Henri Benoît, Otto Vogl, Jeanne-Dominique Gass Jul 1996

50. Henri Benoît, Otto Vogl, Jeanne-Dominique Gass

Emeritus Faculty Author Gallery

No abstract provided.


50. Henri Benoît, Otto Vogl, Jeanne-Dominique Gass Jul 1996

50. Henri Benoît, Otto Vogl, Jeanne-Dominique Gass

Otto Vogl

No abstract provided.


Ethical Problems And Dilemmas In The Interaction Between Science And Media, David Resnik Jul 1996

Ethical Problems And Dilemmas In The Interaction Between Science And Media, David Resnik

Ethics in Science and Engineering National Clearinghouse

Science and the media are not strange bedfellows since they both gather information, value accuracy and objectivity, and recognize their enormous social responsibilities. The public often benefits from interactions between science and the media, and these two institutions often complement each other. However, since they have different standards, goals, expertises, competencies, and funding sources, science and the media can sometimes interact in ways that produce unintended, adverse consequences for the public. Sometimes the public may become misinformed, deceived, or confused as a result of the media's coverage of science. This unfortunate effect can lead to poor policy decisions, ill-informed public …


Research Vs. Teaching: An Ethical Dilemma For The Academic Physicist, Alvin M. Saperstein Jul 1996

Research Vs. Teaching: An Ethical Dilemma For The Academic Physicist, Alvin M. Saperstein

Ethics in Science and Engineering National Clearinghouse

The usual discussions of academic ethics and freedom revolve around the issues of what we may teach. Here, I'm concerned with how we teach and examine. Thus this paper is concerned with process rather than substance--perhaps an unusual concern for an academic but currently of interest to me, having recently served a year in the federal bureaucracy where process is dominant over substance.

A physician who knew of improved procedures to facilitate the health of a patient but chose to use older, proven less effective, means, purely for his/her own convenience, would clearly be guilty of medical malpractice--unethical behavior. I …


Ethics, Physics, And Public Policy, Tina Kaarsberg Jul 1996

Ethics, Physics, And Public Policy, Tina Kaarsberg

Ethics in Science and Engineering National Clearinghouse

This paper discusses the ethical aspects of physicists', and the physics community's involvement in public policy. The work of individual physicists is often quite distant from any societal impact and thus public policy is not normally considered an important ethical consideration for individual physicists. However, in light of the great societal impact of physics-based technologies, the physics profession, by definition, has a major impact on public policy. In addition, most physicists in the U.S. benefited considerably from public funding in their physics education, and many continue to depend upon federal and state funding. Thus, there is a strong ethical argument …


Should Physics Students Take A Course In Ethics? Physicists Respond, Bonnie Wylo, Marshall Thomsen Jul 1996

Should Physics Students Take A Course In Ethics? Physicists Respond, Bonnie Wylo, Marshall Thomsen

Ethics in Science and Engineering National Clearinghouse

Should physics students take a course in ethics? A National Science Foundation grant was written by the authors in an attempt (in part) to answer this question. One might first ask, why might physics students take a course in ethics? There are three reasons that might combine to persuade one of the necessity. First, the formal training can be quite practical and useful in the daily life of a physicist, as discussed below. Second, the National Science Teachers Association suggests an ethical component in the training of high school physics teachers (NSTA Standards for Science Teacher Preparation, available at www.nsta.org). …