Could observation determine the existence of mass in particles?

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Discussion Overview

The discussion centers around the implications of observation in quantum mechanics, particularly in the context of the double-slit experiment and the nature of mass in particles like photons. Participants explore whether the act of observation could influence the properties of particles, such as imparting mass, and consider the relationship between observation and the Higgs boson.

Discussion Character

  • Exploratory
  • Debate/contested
  • Conceptual clarification

Main Points Raised

  • Some participants suggest that observation might impart mass to photons, as evidenced by their behavior in the double-slit experiment when detectors are present.
  • Others argue that photons do not gain mass or momentum based on observational arrangements, attributing the observed effects to "which path" information rather than mass.
  • A participant questions the requirement of a conscious observer for the effects described, seeking evidence or experiments to confirm the claims made about observation and mass.
  • There is a suggestion that the Higgs boson could be related to the act of observation itself, raising further questions about the nature of particles at small scales.
  • Some participants express confusion about the implications of photons acting as if they have mass, seeking clarification on the distinction between particle and wave behavior in relation to observation.

Areas of Agreement / Disagreement

Participants do not reach a consensus; multiple competing views remain regarding the relationship between observation and the properties of mass in particles. Some assert that observation does not impart mass, while others propose that it might.

Contextual Notes

There are limitations in the discussion regarding the definitions of mass and the conditions under which particles are observed. The implications of consciousness in observation and the nature of the Higgs boson are also unresolved.

Nick Saik
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I'm thinking about the two slit experiement. When you place detectors in front of the slits, the single photon of light behaves as if it has mass. But when you take the detectors away, the photon behaves as if it doesn't have mass.

Could observation impart mass? Could the higgs boson particle be observation?

We are looking at a such a small scale, that the very act of looking alters the action. A single photon of light only behaves like it has mass when we are watching it, because in order to "watch something" it has to have mass.

When we look away, the particle has no mass, because it doesn't need to have mass to be perceived.

We are looking for the Higgs Boson particle, but what if in a way, "looking" is the particle?
 
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Nick Saik said:
I'm thinking about the two slit experiement. When you place detectors in front of the slits, the single photon of light behaves as if it has mass.

Welcome to PhysicsForums, Nick!

Photons have no more mass (or momentum) from one observational arrangement than another. So no, the idea you suggest does not really fly. You might want to read up on the double slit a little more. This effect is due to "which path" information.
 
DrChinese said:
Welcome to PhysicsForums, Nick!

Photons have no more mass (or momentum) from one observational arrangement than another. So no, the idea you suggest does not really fly. You might want to read up on the double slit a little more. This effect is due to "which path" information.



What would be the best evidence/experiment confirming the above statement and how certain is it? I've encountered it many times here and elsewhere on the net and genuinely wonder if it's true, as it would require a conscious, perceiving observer(information is only related to mind in this reality).
 
Nick Saik said:
I'm thinking about the two slit experiement. When you place detectors in front of the slits, the single photon of light behaves as if it has mass. But when you take the detectors away, the photon behaves as if it doesn't have mass.

Could observation impart mass? Could the higgs boson particle be observation?

We are looking at a such a small scale, that the very act of looking alters the action. A single photon of light only behaves like it has mass when we are watching it, because in order to "watch something" it has to have mass.

When we look away, the particle has no mass, because it doesn't need to have mass to be perceived.

We are looking for the Higgs Boson particle, but what if in a way, "looking" is the particle?

Photons have no mass. None of what you described here has any indication of photons having mass.

Please start by reading the FAQ in the General Physics forum.

Zz.
 
Maui, I don't understand what you mean by saying a photon acts like it has mass. Do you mean that it acts like a particle when the detectors are there, and like a wave when they are not? If you have a link to a reference, feel free to send it to me via private message, as I don't think it belongs here on a thread seeing as how it really seems incorrect.
 

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